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Erratum: 'Searches for Continuous Gravitational Waves from 15 Supernova remnants and Fomalhaut b with Advanced LIGO' (2019, ApJ, 875, 122)

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The Astrophysical Journal 2021年第2期918卷

作者： B. P. Abbott r. Abbott T. d. Abbott S. Abraham F. Acernese K. Ackley C. Adams r. X. Adhikari V. B. Adya C. Affeldt M. Agathos K. Agatsuma N. Aggarwal O. d. Aguiar L. Aiello A. Ain P. Ajith G. Allen A. Allocca M. A. Aloy P. A. Altin A. Amato A. Ananyeva S. B. Anderson W. G. Anderson S. V. Angelova S. Antier S. Appert K. Arai M. C. Araya J. S. Areeda M. Arène N. Arnaud K. G. Arun S. Ascenzi G. Ashton S. M. Aston P. Astone F. Aubin P. Aufmuth K. AultONeal C. Austin V. Avendano A. Avila-Alvarez S. Babak P. Bacon F. Badaracco M. K. M. Bader S. Bae P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer S. Banagiri J. C. Barayoga S. E. Barclay B. C. Barish d. Barker K. Barkett S. Barnum F. Barone B. Barr L. Barsotti M. Barsuglia d. Barta J. Bartlett I. Bartos r. Bassiri A. Basti M. Bawaj J. C. Bayley M. Bazzan B. Bécsy M. Bejger I. Belahcene A. S. Bell d. Beniwal B. K. Berger G. Bergmann S. Bernuzzi J. J. Bero C. P. L. Berry d. Bersanetti A. Bertolini J. Betzwieser r. Bhandare J. Bidler I. A. Bilenko S. A. Bilgili G. Billingsley J. Birch r. Birney O. Birnholtz S. Biscans S. Biscoveanu A. Bisht M. Bitossi M. A. Bizouard J. K. Blackburn C. d. Blair d. G. Blair r. M. Blair S. Bloemen N. Bode M. Boer Y. Boetzel G. Bogaert F. Bondu E. Bonilla r. Bonnand P. Booker B. A. Boom C. d. Booth r. Bork V. Boschi S. Bose K. Bossie V. Bossilkov J. Bosveld Y. Bouffanais A. Bozzi C. Bradaschia P. r. Brady A. Bramley M. Branchesi J. E. Brau T. Briant J. H. Briggs F. Brighenti A. Brillet M. Brinkmann V. Brisson P. Brockill A. F. Brooks d. d. Brown S. Brunett A. Buikema T. Bulik H. J. Bulten A. Buonanno d. Buskulic C. Buy r. L. Byer M. Cabero L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo T. A. Callister E. Calloni J. B. Camp W. A. Campbell K. C. Cannon H. Cao J. Cao E. Capocasa F. Carbognani S. Caride M. F. Carney G. Carullo J. Casanueva diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier r. Cavalieri G. Cella P. Cerdá-durán G. Cerretani E. Cesarini O. Chaibi K. Chakravarti S. J. Chamberlin M. Chan S. Chao P. Charlton E. A. Chase LIGO California Institute of Technology Pasadena CA 91125 USA Louisiana State University Baton Rouge LA 70803 USA Inter-University Centre for Astronomy and Astrophysics Pune 411007 India Università di Salerno Fisciano I-84084 Salerno Italy INFN Sezione di Napoli Complesso Universitario di Monte S.Angelo I-80126 Napoli Italy OzGrav School of Physics & Astronomy Monash University Clayton VIC 3800 Australia LIGO Livingston Observatory Livingston LA 70754 USA Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany University of Cambridge Cambridge CB2 1TN UK University of Birmingham Birmingham B15 2TT UK LIGO Massachusetts Institute of Technology Cambridge MA 02139 USA Instituto Nacional de Pesquisas Espaciais 12227-010 São José dos Campos São Paulo Brazil Gran Sasso Science Institute (GSSI) I-67100 L'Aquila Italy INFN Laboratori Nazionali del Gran Sasso I-67100 Assergi Italy International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India NCSA University of Illinois at Urbana-Champaign Urbana IL 61801 USA Università di Pisa I-56127 Pisa Italy INFN Sezione di Pisa I-56127 Pisa Italy Departamento de Astronomía y Astrofísica Universitat de València E-46100 Burjassot València Spain OzGrav Australian National University Canberra ACT 0200 Australia Laboratoire des Matériaux Avancés (LMA) CNRS/IN2P3 F-69622 Villeurbanne France University of Wisconsin–Milwaukee Milwaukee WI 53201 USA SUPA University of Strathclyde Glasgow G1 1XQ UK LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay F-91898 Orsay France California State University Fullerton Fullerton CA 92831 USA APC AstroParticule et Cosmologie Université Paris Diderot CNRS/IN2P3 CEA/Irfu Observatoire de Paris Sorbonne Paris Cité F-75205 Paris Cedex 13 France European Gravitational Observatory (EGO) I-56021 Cascina Pisa Italy Chennai Mathema

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Tests of General relativity with GW170817

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Physical review Letters 2019年第1期123卷 011102-011102页

作者： B. P. Abbott r. Abbott T. d. Abbott F. Acernese K. Ackley C. Adams T. Adams P. Addesso r. X. Adhikari V. B. Adya C. Affeldt B. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. d. Aguiar L. Aiello A. Ain P. Ajith B. Allen G. Allen A. Allocca M. A. Aloy P. A. Altin A. Amato A. Ananyeva S. B. Anderson W. G. Anderson S. V. Angelova S. Antier S. Appert K. Arai M. C. Araya J. S. Areeda M. Arène N. Arnaud K. G. Arun S. Ascenzi G. Ashton M. Ast S. M. Aston P. Astone d. V. Atallah F. Aubin P. Aufmuth C. Aulbert K. AultONeal C. Austin A. Avila-Alvarez S. Babak P. Bacon F. Badaracco M. K. M. Bader S. Bae P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer S. Banagiri J. C. Barayoga S. E. Barclay B. C. Barish d. Barker K. Barkett S. Barnum F. Barone B. Barr L. Barsotti M. Barsuglia d. Barta J. Bartlett I. Bartos r. Bassiri A. Basti J. C. Batch M. Bawaj J. C. Bayley M. Bazzan B. Bécsy C. Beer M. Bejger I. Belahcene A. S. Bell d. Beniwal M. Bensch B. K. Berger G. Bergmann S. Bernuzzi J. J. Bero C. P. L. Berry d. Bersanetti A. Bertolini J. Betzwieser r. Bhandare I. A. Bilenko S. A. Bilgili G. Billingsley C. r. Billman J. Birch r. Birney O. Birnholtz S. Biscans S. Biscoveanu A. Bisht M. Bitossi M. A. Bizouard J. K. Blackburn J. Blackman C. d. Blair d. G. Blair r. M. Blair S. Bloemen N. Bode M. Boer Y. Boetzel G. Bogaert A. Bohe F. Bondu E. Bonilla r. Bonnand P. Booker B. A. Boom C. d. Booth r. Bork V. Boschi S. Bose K. Bossie V. Bossilkov J. Bosveld Y. Bouffanais A. Bozzi C. Bradaschia P. r. Brady A. Bramley M. Branchesi J. E. Brau T. Briant F. Brighenti A. Brillet M. Brinkmann V. Brisson P. Brockill A. F. Brooks d. d. Brown S. Brunett C. C. Buchanan A. Buikema T. Bulik H. J. Bulten A. Buonanno d. Buskulic C. Buy r. L. Byer M. Cabero L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo T. A. Callister E. Calloni J. B. Camp M. Canepa P. Canizares K. C. Cannon H. Cao J. Cao C. d. Capano E. Capocasa F. Carbognani S. Caride M. F. Carney G. Carullo J. Casanueva diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier r. Cavalieri G. Ce LIGO California Institute of Technology Pasadena California 91125 USA Louisiana State University Baton Rouge Louisiana 70803 USA Università di Salerno Fisciano I-84084 Salerno Italy INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo I-80126 Napoli Italy OzGrav School of Physics & Astronomy Monash University Clayton 3800 Victoria Australia LIGO Livingston Observatory Livingston Louisiana 70754 USA Laboratoire d’Annecy de Physique des Particules (LAPP) Univ. Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 F-74941 Annecy France University of Sannio at Benevento I-82100 Benevento Italy and INFN Sezione di Napoli I-80100 Napoli Italy Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany NCSA University of Illinois at Urbana-Champaign Urbana Illinois 61801 USA University of Cambridge Cambridge CB2 1TN United Kingdom Nikhef Science Park 105 1098 XG Amsterdam Netherlands LIGO Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Instituto Nacional de Pesquisas Espaciais 12227-010 São José dos Campos São Paulo Brazil Gran Sasso Science Institute (GSSI) I-67100 L’Aquila Italy INFN Laboratori Nazionali del Gran Sasso I-67100 Assergi Italy Inter-University Centre for Astronomy and Astrophysics Pune 411007 India International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India University of Wisconsin-Milwaukee Milwaukee Wisconsin 53201 USA Università di Pisa I-56127 Pisa Italy INFN Sezione di Pisa I-56127 Pisa Italy Departamento de Astronomía y Astrofísica Universitat de València E-46100 Burjassot València Spain OzGrav Australian National University Canberra Australian Capital Territory 0200 Australia Laboratoire des Matériaux Avancés (LMA) CNRS/IN2P3 F-69622 Villeurbanne France SUPA University of Strathclyde Glasgow G1 1XQ United Kingdom LAL Univ. Paris-Sud CNRS

The recent discovery by Advanced LIGO and Advanced Virgo of a gravitational wave signal from a binary neutron star inspiral has enabled tests of general relativity (Gr) with this new type of source. This source, for the first time, permits tests of strong-field dynamics of compact binaries in the presence of matter. In this Letter, we place constraints on the dipole radiation and possible deviations from Gr in the post-Newtonian coefficients that govern the inspiral regime. Bounds on modified dispersion of gravitational waves are obtained; in combination with information from the observed electromagnetic counterpart we can also constrain effects due to large extra dimensions. Finally, the polarization content of the gravitational wave signal is studied. The results of all tests performed here show good agreement with Gr.

关键词： Alternative gravity theories Experimental studies of gravity Gamma ray bursts General relativity Gravitation Gravitational waves Gravity in dimensions other than four

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Constraining the p-Mode–g-Mode Tidal Instability with GW170817

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Physical review Letters 2019年第6期122卷 061104-061104页

作者： B. P. Abbott r. Abbott T. d. Abbott F. Acernese K. Ackley C. Adams T. Adams P. Addesso r. X. Adhikari V. B. Adya C. Affeldt B. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. d. Aguiar L. Aiello A. Ain P. Ajith B. Allen G. Allen A. Allocca M. A. Aloy P. A. Altin A. Amato A. Ananyeva S. B. Anderson W. G. Anderson S. V. Angelova S. Antier S. Appert K. Arai M. C. Araya J. S. Areeda M. Arène N. Arnaud K. G. Arun S. Ascenzi G. Ashton M. Ast S. M. Aston P. Astone d. V. Atallah F. Aubin P. Aufmuth C. Aulbert K. AultONeal C. Austin A. Avila-Alvarez S. Babak P. Bacon F. Badaracco M. K. M. Bader S. Bae P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer S. Banagiri J. C. Barayoga S. E. Barclay B. C. Barish d. Barker K. Barkett S. Barnum F. Barone B. Barr L. Barsotti M. Barsuglia d. Barta J. Bartlett I. Bartos r. Bassiri A. Basti J. C. Batch M. Bawaj J. C. Bayley M. Bazzan B. Bécsy C. Beer M. Bejger I. Belahcene A. S. Bell d. Beniwal M. Bensch B. K. Berger G. Bergmann S. Bernuzzi J. J. Bero C. P. L. Berry d. Bersanetti A. Bertolini J. Betzwieser r. Bhandare I. A. Bilenko S. A. Bilgili G. Billingsley C. r. Billman J. Birch r. Birney O. Birnholtz S. Biscans S. Biscoveanu A. Bisht M. Bitossi M. A. Bizouard J. K. Blackburn J. Blackman C. d. Blair d. G. Blair r. M. Blair S. Bloemen O. Bock N. Bode M. Boer Y. Boetzel G. Bogaert A. Bohe F. Bondu E. Bonilla r. Bonnand P. Booker B. A. Boom C. d. Booth r. Bork V. Boschi S. Bose K. Bossie V. Bossilkov J. Bosveld Y. Bouffanais A. Bozzi C. Bradaschia P. r. Brady A. Bramley M. Branchesi J. E. Brau T. Briant F. Brighenti A. Brillet M. Brinkmann V. Brisson P. Brockill A. F. Brooks d. d. Brown S. Brunett C. C. Buchanan A. Buikema T. Bulik H. J. Bulten A. Buonanno d. Buskulic C. Buy r. L. Byer M. Cabero L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo T. A. Callister E. Calloni J. B. Camp M. Canepa P. Canizares K. C. Cannon H. Cao J. Cao C. d. Capano E. Capocasa F. Carbognani S. Caride M. F. Carney J. Casanueva diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier r. Cavalieri G. Cella LIGO California Institute of Technology Pasadena California 91125 USA Louisiana State University Baton Rouge Louisiana 70803 USA Università di Salerno Fisciano I-84084 Salerno Italy INFN Sezione di Napoli Complesso Universitario di Monte S.Angelo I-80126 Napoli Italy OzGrav School of Physics & Astronomy Monash University Clayton 3800 Victoria Australia LIGO Livingston Observatory Livingston Louisiana 70754 USA Laboratoire d’Annecy de Physique des Particules (LAPP) University Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 F-74941 Annecy France University of Sannio at Benevento I-82100 Benevento Italy and INFN Sezione di Napoli I-80100 Napoli Italy Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany NCSA University of Illinois at Urbana-Champaign Urbana Illinois 61801 USA University of Cambridge Cambridge CB2 1TN United Kingdom Nikhef Science Park 105 1098 XG Amsterdam Netherlands LIGO Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Instituto Nacional de Pesquisas Espaciais 12227-010 São José dos Campos São Paulo Brazil Gran Sasso Science Institute (GSSI) I-67100 L’Aquila Italy INFN Laboratori Nazionali del Gran Sasso I-67100 Assergi Italy Inter-University Centre for Astronomy and Astrophysics Pune 411007 India International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India University of Wisconsin-Milwaukee Milwaukee Wisconsin 53201 USA Università di Pisa I-56127 Pisa Italy INFN Sezione di Pisa I-56127 Pisa Italy Departamento de Astronomía y Astrofísica Universitat de València E-46100 Burjassot València Spain OzGrav Australian National University Canberra Australian Capital Territory 0200 Australia Laboratoire des Matériaux Avancés (LMA) CNRS/IN2P3 F-69622 Villeurbanne France SUPA University of Strathclyde Glasgow G1 1XQ United Kingdom LAL University Paris-

We analyze the impact of a proposed tidal instability coupling p modes and g modes within neutron stars on GW170817. This nonresonant instability transfers energy from the orbit of the binary to internal modes of the stars, accelerating the gravitational-wave driven inspiral. We model the impact of this instability on the phasing of the gravitational wave signal using three parameters per star: an overall amplitude, a saturation frequency, and a spectral index. Incorporating these additional parameters, we compute the Bayes factor (lnB!pgpg) comparing our p−g model to a standard one. We find that the observed signal is consistent with waveform models that neglect p−g effects, with lnB!pgpg=0.03−0.58+0.70 (maximum a posteriori and 90% credible region). By injecting simulated signals that do not include p−g effects and recovering them with the p−g model, we show that there is a ≃50% probability of obtaining similar lnB!pgpg even when p−g effects are absent. We find that the p−g amplitude for 1.4 M⊙ neutron stars is constrained to less than a few tenths of the theoretical maximum, with maxima a posteriori near one-tenth this maximum and p−g saturation frequency ∼70 Hz. This suggests that there are less than a few hundred excited modes, assuming they all saturate by wave breaking. For comparison, theoretical upper bounds suggest ≲103 modes saturate by wave breaking. Thus, the measured constraints only rule out extreme values of the p−g parameters. They also imply that the instability dissipates ≲1051 erg over the entire inspiral, i.e., less than a few percent of the energy radiated as gravitational waves.

关键词： Gravitational wave detection Gravitational wave sources Gravitational waves

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Event-shape and multiplicity dependence of freeze-out radii in pp collisions at √s = 7 TeV

arXiv

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arXiv 2019年

作者： Acharya, S. Adamová, d. Adhya, S.P. Adler, A. Adolfsson, J. Aggarwal, M.M. Aglieri rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Aiola, S. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, d.S.d. Aleksandrov, d. Alessandro, B. Alfanda, H.M. Alfaro Molina, r. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, d. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, r. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, r. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, r. Azmi, M.d. Badalà, A. Baek, Y.W. Bagnasco, S. Bailhache, r. Bala, r. Baldisseri, A. Ball, M. Baral, r.C. Barbera, r. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P.C. Bazo Alba, J.L. Bearden, I.G. Beck, H. Bedda, C. Behera, N.K. Belikov, I. Bellini, F. Bello Martinez, H. Bellwied, r. Beltran, L.G.E. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, d. Bertens, r.A. Berzano, d. Betev, L. Bhasin, A. Bhat, I.r. Bhatt, H. Bhattacharjee, B. Bhom, J. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, r. Biswas, S. Blair, J.T. Blau, d. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Bonora, M. Borel, H. Borissov, A. Borri, M. Botta, E. Bourjau, C. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broker, T.A. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Budnikov, d. Buesching, H. Bufalino, S. Buhler, P. Buncic, P. Busch, O. Buthelezi, Z. Butt, J.B. Buxton, J.T. Cabala, J. Caffarri, d. Caines, H. Caliva, A. Calvo Villar, E. Camacho, r.S. Camerini, P. Capon, A.A. Carnesecchi, F. Castillo Castellanos, J. Castro, A.J. Casula, E.A.r. Ceballos Sanchez, C. Chandra, S. Chang, B. Chang, W. Dipartimento DET del Politecnico di Torino Turin Italy M.V. Lomonosov Moscow State University D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russia Department of Applied Physics Aligarh Muslim University Aligarh India Institute of Theoretical Physics University of Wroclaw Poland Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russia California Polytechnic State University San Luis ObispoCA United States Central China Normal University Wuhan China Centre de Calcul IN2P3 Villeurbanne Lyon France Havana Cuba Mexico City Mexico Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi’ Rome Italy Chicago State University ChicagoIL United States China Institute of Atomic Energy Beijing China Chonbuk National University Jeonju Korea Republic of Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia Islamabad Pakistan Creighton University OmahaNE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan Korea Republic of Department of Physics Sejong University Seoul Korea Republic of Department of Physics University of California BerkeleyCA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica Università’La Sapienza’ Sezione INFN Rome Italy Dipartimento di Fisica dell’Università Sezione INFN Cagliari Italy Dipartimento di Fisica dell’Università Sezione INFN Trieste Italy Dipartimento di Fisica dell’Università Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia dell’Università Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia dell’Università Sezione INFN Catania Italy Dipartimento di Fisica e Astronomia dell’Università

Two-particle correlations in high-energy collision experiments enable the extraction of particle source radii by using the Bose-Einstein enhancement of pion production at low relative momentum q ∝ 1/r. It was previously observed that in pp collisions at √s = 7 TeV the average pair transverse momentum kT range of such analyses is limited due to large background correlations which were attributed to mini-jet phenomena. To investigate this further, an event-shape dependent analysis of Bose-Einstein correlations for pion pairs is performed in this work. By categorizing the events by their transverse sphericity ST into spherical (ST > 0.7) and jet-like (ST T for the first time. Spherical events demonstrate little or no background correlations while jet-like events are dominated by them. This observation agrees with the hypothesis of a mini-jet origin of the non-femtoscopic background correlations and gives new insight into the physics interpretation of the kT dependence of the radii. The emission source size in spherical events shows a substantially diminished kT dependence, while jet-like events show indications of a negative trend with respect to kT in the highest multiplicity events. regarding the emission source shape, the correlation functions for both event sphericity classes show good agreement with an exponential shape, rather than a Gaussian one. Copyright © 2019, The Authors. All rights reserved.

关键词： Statistical mechanics

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Author Correction: A detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery

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Nature 2023年第7985期623卷 E5页

作者： G. Aad M. Barbero T. P. Calvet Y. Coadou C. diaconu F. djama A. duperrin L. Feligioni E. Fortin G. d. Hallewell N. Kumari E. Monnier S. Muanza E. Nagy E. Petit A. rozanov J. Stark T. Strebler M. Talby S. Tisserant A. Vallier B. Abbott M. Alhroob P. Gutierrez J. E. Lambert J. M. Muse A. r. roepe-Gier H. Severini P. Skubic M. Strauss J. Stupak d. J. Wilbern d. C. Abbott B. Brau Y. Chou r. Coelho Lopes de Sa C. dallapiccola M. Javurkova S. Krishnamurthy r. J. Langenberg W. A. Leight V. I. Martinez Outschoorn E. J. W. Moyse J. A. Sandesara P. Tornambe M. Vessella C. Wagner S. Willocq K. Abeling B. Achkar J. F. Beirer M. Bindi L. O. Gerlach r. Goncalves Gama J. Grosse-Knetter Y. Hong G. Kawamura A. Kirchhoff S. Korn S. Lai M. Marjanovic A. H. Melo S. Mobius M. Niemeyer I. Pokharel A. Quadt C. Scheulen E. Shabalina S. Sindhu A. Skaf Y. Tian S. H. Abidi K. Assamagan G. Barone M. Begel d. P. Benjamin M. Benoit r. Bi d. Boye E. Brost V. Cavaliere H. Chen G. d’amen S. J. das J. Elmsheuser B. Garcia V. Garonne Y. Go G. Iakovidis C. W. Kalderon A. Klimentov A. K. Kvam E. Lançon F. Lanni d. Lynn H. Ma T. Maeno C. Mc Ginn C. Mwewa J. L. Nagle P. Nilsson M. A. Nomura d. Oliveira damazio J. Ouellette d. V. Perepelitsa M.-A. Pleier V. Polychronakos S. Protopopescu S. rajagopalan G. redlinger T. T. rinn J. roloff S. Snyder P. Steinberg S. A. Stucci A. Tricoli A. Undrus C. Weber T. Wenaus S. Ye A. Aboulhorma S. Batlamous r. Cherkaoui El Moursli H. El Jarrari F. Fassi H. Hamdaoui B. Ngair Z. Soumaimi Y. Tayalati M. Zaazoua A. Bassalat H. Abramowicz L. Barak U. Barron G. Bella Y. Benhammou B. Chen H. Cohen E. Etzion G. Koren M. S. Lutz r. Nayak L. Pascual dominguez d. reikher A. Soffer N. M. Tamir d. Vannicola H. Abreu G. Avner E. Kajomovitz d. Melini Y. rozen S. Tarem O. Tsur Y. Abulaiti K. Cranmer A. Haas A. I. Mincer P. rieck M. L. Vesterbacka A. C. Abusleme Hoffman M. A. diaz F. M. Garay Walls B. S. Acharya M. Cobal M. Faraj M. P. Giordani G. Giugliarelli G. Guerrieri J. Magro G. Panizzo M. Pinamonti L. Serkin L. Adam A. Aggarwal CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France L2IT Université de Toulouse CNRS/IN2P3 UPS Toulouse France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman OK United States of America Department of Physics University of Massachusetts Amherst MA United States of America II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany CERN Geneva Switzerland Physics Department Brookhaven National Laboratory Upton NY United States of America Department of Physics and Astronomy University of Pittsburgh Pittsburgh PA United States of America University of Colorado Boulder Department of Physics Colorado United States of America Department of Physics Nanjing University Nanjing China Faculté des sciences Université Mohammed V Rabat Morocco Institute of Physics Academia Sinica Taipei Taiwan Physics Department An-Najah National University Nablus Palestine IJCLab Université Paris-Saclay CNRS/IN2P3 91405 Orsay France Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics and Astronomy University of Victoria Victoria BC Canada Department of Physics Technion Israel Institute of Technology Haifa Israel Department of Physics New York University New York NY United States of America Departamento de Física Pontificia Universidad Católica de Chile Santiago Chile Millennium Institute for Subatomic physics at high energy frontier (SAPHIR) Santiago Chile INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London United Kingdom Dipartimento Politecnico di Ingegneria e Architettura Università di Udine Udine Italy Institut für Physik Universität Mainz Mainz Germany LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France INFN Sezione di Napoli Napoli Italy Dipartimento di Fisica Università di Napoli Napoli Italy AGH University of Krakow Faculty of Physics and

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K∗(892)0 and φ(1020) production at midrapidity in pp collisions at √s = 8 TeV

arXiv

引用

arXiv 2019年

作者： Acharya, S. Adamová, d. Adhya, S.P. Adler, A. Adolfsson, J. Aggarwal, M.M. rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, d.S.d. Aleksandrov, d. Alessandro, B. Alfanda, H.M. Molina, r. Alfaro Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, d. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, r. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, r. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, r. Aziz, S. Azmi, M.d. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, r. Bala, r. Baldisseri, A. Ball, M. Balouza, S. Baral, r.C. Barbera, r. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P.C. Bauri, d. Alba, J.L. Bazo Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Bellini, F. Bellwied, r. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, d. Bertens, r.A. Berzano, d. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.r. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, r. Biswas, S. Blair, J.T. Blau, d. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broker, T.A. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.d. Budnikov, d. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, d. Caliva, A. Villar, E. Calvo Camacho, r.S. Camerini, P. Capon, A.A. Carnesecchi, F. Castellanos, J. Castillo Castro, A.J. Casula, E.A.r. Catalano, F. Sanchez, C. Ceballos Dipartimento DET del Politecnico di Torino Turin Italy M.V. Lomonosov Moscow State University D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russia Department of Applied Physics Aligarh Muslim University Aligarh India Institute of Theoretical Physics University of Wroclaw Poland Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russia California Polytechnic State University San Luis ObispoCA United States Central China Normal University Wuhan China Centre de Calcul de l'IN2P3 Villeurbanne Lyon France Havana Cuba Mexico City and Mérida Mexico Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi' Rome Italy Chicago State University ChicagoIL United States China Institute of Atomic Energy Beijing China Chonbuk National University Jeonju Korea Republic of Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia COMSATS University Islamabad Islamabad Pakistan Creighton University OmahaNE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan Korea Republic of Department of Physics Sejong University Seoul Korea Republic of Department of Physics University of California BerkeleyCA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica dell'Università'La Sapienza' Sezione INFN Rome Italy Dipartimento di Fisica dell'Università and Sezione INFN Cagliari Italy Dipartimento di Fisica dell'Università Sezione INFN Trieste Italy Dipartimento di Fisica dell'Università Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Catania Italy Di

The production of K∗(892)0 and φ(1020) in pp collisions at √s = 8 TeV was measured using run 1 data collected by the ALICE collaboration at the LHC. The pT-differential yields d2N/dydpT in the range 0 T ∗0 and 0.4 T ∗0(892) and φ(1020) at √s = 7 TeV are presented. The collision energy dependence of pT distributions, pT-integrated yields and particle ratios in inelastic pp collisions are examined. The results are also compared with different collision systems. The values of the particle ratios are found to be similar to those measured at other LHC energies. In pp collisions a hardening of the particle spectra is observed with increasing energy, but at the same time it is also observed that the relative particle abundances are independent of the collision energy. The pT-differential yields of K∗0 and φ in pp collisions at √s = 8 TeV are compared with the expectations of different Monte Carlo event generators. © 2019, CC BY.

关键词： Tellurium compounds

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Probing the effects of strong electromagnetic fields with charge-dependent directed flow in Pb-Pb collisions at the LHC

arXiv

引用

arXiv 2019年

作者： Acharya, S. Adamová, d. Adler, A. Adolfsson, J. Aggarwal, M.M. rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, d.S.d. Aleksandrov, d. Alessandro, B. Alfanda, H.M. Molina, r. Alfaro Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, d. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, r. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, r. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, r. Aziz, S. Azmi, M.d. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, r. Bala, r. Baldisseri, A. Ball, M. Balouza, S. Barbera, r. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Bauri, d. Alba, J.L. Bazo Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Hechavarria, A.d.C. Bell Bellini, F. Bellwied, r. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, d. Bertens, r.A. Berzano, d. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.r. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, r. Biswas, S. Blair, J.T. Blau, d. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boi, S. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.d. Budnikov, d. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, d. Caliva, A. Villar, E. Calvo Camacho, r.S. Camerini, P. Capon, A.A. Carnesecchi, F. Caron, r. Castellanos, J. Castillo Castro, A.J. Casula, E.A.r. Catalano, F. Sanchez, C. Ceballos Chakraborty, P. Dipartimento DET del Politecnico di Torino Turin Italy M.V. Lomonosov Moscow State University D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russia Department of Applied Physics Aligarh Muslim University Aligarh India Institute of Theoretical Physics University of Wroclaw Poland Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russia California Polytechnic State University San Luis ObispoCA United States Central China Normal University Wuhan China Centre de Calcul de l'IN2P3 Villeurbanne Lyon France Havana Cuba Mexico City and Mérida Mexico Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi' Rome Italy Chicago State University ChicagoIL United States China Institute of Atomic Energy Beijing China Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia COMSATS University Islamabad Islamabad Pakistan Creighton University OmahaNE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan Korea Republic of Department of Physics Sejong University Seoul Korea Republic of Department of Physics University of California BerkeleyCA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica dell'Università'La Sapienza' Sezione INFN Rome Italy Dipartimento di Fisica dell'Università Sezione INFN Cagliari Italy Dipartimento di Fisica dell'Università Sezione INFN Trieste Italy Dipartimento di Fisica dell'Università Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Catania Italy Dipartimento di Fisica e Astronomia dell'Università Sezione I

The first measurement at the LHC of charge-dependent directed flow (v1) relative to the spectator plane is presented for Pb-Pb collisions at √sNN = 5.02 TeV. results are reported for charged hadrons and d0 mesons for the transverse momentum intervals pT > 0.2 GeV/c and 3 T 1 has a positive slope as a function of pseudorapidity η, d∆v1/dη =[1.68 ± 0.49 (stat.) ± 0.41 (syst.)] ×10−4. The same measurement for d0 and d0 mesons yields a positive value d∆v1/dη= [4.9 ± 1.7 (stat.) ± 0.6 (syst.)]×10−1, which is about three orders of magnitude larger than the one of the charged hadrons. These measurements can provide new insights into the effects of the strong electromagnetic field and the initial tilt of matter created in non-central heavy-ion collisions on the dynamics of light (u, d, and s) and heavy (c) quarks. The large difference between the observed ∆v1 of charged hadrons and d0 mesons may reflect different sensitivity of the charm and light quarks to the early time dynamics of a heavy-ion collision. These observations challenge some recent theoretical calculations, which predicted a negative and an order of magnitude smaller value of d∆v1/dη for both light-flavour and charmed hadrons. © 2019, CC BY.

关键词： Hadrons

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Global baryon number conservation encoded in net-proton fluctuations measured in Pb-Pb collisions at √sNN = 2.76 TeV

arXiv

引用

arXiv 2019年

作者： Acharya, S. Adamová, d. Adler, A. Adolfsson, J. Aggarwal, M.M. rinella, G. Aglieri Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, d.S.d. Aleksandrov, d. Alessandro, B. Alfanda, H.M. Molina, r. Alfaro Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, d. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, r. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, r. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, r. Aziz, S. Azmi, M.d. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, r. Bala, r. Baldisseri, A. Ball, M. Balouza, S. Barbera, r. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Bauri, d. Alba, J.L. Bazo Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Hechavarria, A.d.C. Bell Bellini, F. Bellwied, r. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, d. Bertens, r.A. Berzano, d. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.r. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, r. Biswas, S. Blair, J.T. Blau, d. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boi, S. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.d. Budnikov, d. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, d. Caliva, A. Villar, E. Calvo Camacho, r.S. Camerini, P. Capon, A.A. Carnesecchi, F. Caron, r. Castellanos, J. Castillo Castro, A.J. Casula, E.A.r. Catalano, F. Sanchez, C. Ceballos Chakraborty, P. Dipartimento DET del Politecnico di Torino Turin Italy M.V. Lomonosov Moscow State University D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russia Department of Applied Physics Aligarh Muslim University Aligarh India Institute of Theoretical Physics University of Wroclaw Poland Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russia California Polytechnic State University San Luis ObispoCA United States Central China Normal University Wuhan China Centre de Calcul de l'IN2P3 Villeurbanne Lyon France Havana Cuba Mexico City and Mérida Mexico Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi' Rome Italy Chicago State University ChicagoIL United States China Institute of Atomic Energy Beijing China Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia COMSATS University Islamabad Islamabad Pakistan Creighton University OmahaNE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan Korea Republic of Department of Physics Sejong University Seoul Korea Republic of Department of Physics University of California BerkeleyCA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica Università'La Sapienza' Sezione INFN Rome Italy Dipartimento di Fisica dell'Università Sezione INFN Cagliari Italy Dipartimento di Fisica dell'Università Sezione INFN Trieste Italy Dipartimento di Fisica dell'Università Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Catania Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN

Experimental results are presented on event-by-event net-proton fluctuation measurements in Pb-Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CErN LHC. These measurements have as their ultimate goal an experimental test of Lattice QCd (LQCd) predictions on second and higher order cumulants of net-baryon distributions to search for critical behavior near the QCd phase boundary. Before confronting them with LQCd predictions, account has to be taken of correlations stemming from baryon number conservation as well as fluctuations of participating nucleons. Both effects influence the experimental measurements and are usually not considered in theoretical calculations. For the first time, it is shown that event-by-event baryon number conservation leads to subtle long-range correlations arising from very early interactions in the collisions. © 2019, CC BY.

关键词： Quantum theory

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Properties of the Binary Neutron Star Merger GW170817

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Physical review X 2019年第1期9卷 011001-011001页

作者： B. P. Abbott r. Abbott T. d. Abbott F. Acernese K. Ackley C. Adams T. Adams P. Addesso r. X. Adhikari V. B. Adya C. Affeldt B. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. d. Aguiar L. Aiello A. Ain P. Ajith B. Allen G. Allen A. Allocca M. A. Aloy P. A. Altin A. Amato A. Ananyeva S. B. Anderson W. G. Anderson S. V. Angelova S. Antier S. Appert K. Arai M. C. Araya J. S. Areeda M. Arène N. Arnaud K. G. Arun S. Ascenzi G. Ashton M. Ast S. M. Aston P. Astone d. V. Atallah F. Aubin P. Aufmuth C. Aulbert K. AultONeal C. Austin A. Avila-Alvarez S. Babak P. Bacon F. Badaracco M. K. M. Bader S. Bae P. T. Baker F. Baldaccini G. Ballardin S. W. Ballmer S. Banagiri J. C. Barayoga S. E. Barclay B. C. Barish d. Barker K. Barkett S. Barnum F. Barone B. Barr L. Barsotti M. Barsuglia d. Barta J. Bartlett I. Bartos r. Bassiri A. Basti J. C. Batch M. Bawaj J. C. Bayley M. Bazzan B. Bécsy C. Beer M. Bejger I. Belahcene A. S. Bell d. Beniwal M. Bensch B. K. Berger G. Bergmann S. Bernuzzi J. J. Bero C. P. L. Berry d. Bersanetti A. Bertolini J. Betzwieser r. Bhandare I. A. Bilenko S. A. Bilgili G. Billingsley C. r. Billman J. Birch r. Birney O. Birnholtz S. Biscans S. Biscoveanu A. Bisht M. Bitossi M. A. Bizouard J. K. Blackburn J. Blackman C. d. Blair d. G. Blair r. M. Blair S. Bloemen O. Bock N. Bode M. Boer Y. Boetzel G. Bogaert A. Bohe F. Bondu E. Bonilla r. Bonnand P. Booker B. A. Boom C. d. Booth r. Bork V. Boschi S. Bose K. Bossie V. Bossilkov J. Bosveld Y. Bouffanais A. Bozzi C. Bradaschia P. r. Brady A. Bramley M. Branchesi J. E. Brau T. Briant F. Brighenti A. Brillet M. Brinkmann V. Brisson P. Brockill A. F. Brooks d. d. Brown S. Brunett C. C. Buchanan A. Buikema T. Bulik H. J. Bulten A. Buonanno d. Buskulic C. Buy r. L. Byer M. Cabero L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo T. A. Callister E. Calloni J. B. Camp M. Canepa P. Canizares K. C. Cannon H. Cao J. Cao C. d. Capano E. Capocasa F. Carbognani S. Caride M. F. Carney G. Carullo J. Casanueva diaz C. Casentini S. Caudill M. Cavaglià F. Cavalier r. Cavalie LIGO California Institute of Technology Pasadena California 91125 USA Louisiana State University Baton Rouge Louisiana 70803 USA Università di Salerno Fisciano I-84084 Salerno Italy INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo I-80126 Napoli Italy OzGrav School of Physics & Astronomy Monash University Clayton 3800 Victoria Australia LIGO Livingston Observatory Livingston Louisiana 70754 USA Laboratoire d’Annecy de Physique des Particules (LAPP) Univ. Grenoble Alpes Université Savoie Mont Blanc CNRS/IN2P3 F-74941 Annecy France University of Sannio at Benevento I-82100 Benevento Italy and INFN Sezione di Napoli I-80100 Napoli Italy Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany NCSA University of Illinois at Urbana-Champaign Urbana Illinois 61801 USA University of Cambridge Cambridge CB2 1TN United Kingdom Nikhef Science Park 105 1098 XG Amsterdam Netherlands LIGO Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Instituto Nacional de Pesquisas Espaciais 12227-010 Sáo José dos Campos São Paulo Brazil Gran Sasso Science Institute (GSSI) I-67100 L’Aquila Italy INFN Laboratori Nazionali del Gran Sasso I-67100 Assergi Italy Inter-University Centre for Astronomy and Astrophysics Pune 411007 India International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India University of Wisconsin-Milwaukee Milwaukee Wisconsin 53201 USA Università di Pisa I-56127 Pisa Italy INFN Sezione di Pisa I-56127 Pisa Italy Departamento de Astronomía y Astrofísica Universitat de València E-46100 Burjassot València Spain OzGrav Australian National University Canberra Australian Capital Territory 0200 Australia Laboratoire des Matériaux Avancés (LMA) CNRS/IN2P3 F-69622 Villeurbanne France SUPA University of Strathclyde Glasgow G1 1XQ United Kingdom LAL Univ. Paris-Sud CNRS

On August 17, 2017, the Advanced LIGO and Advanced Virgo gravitational-wave detectors observed a low-mass compact binary inspiral. The initial sky localization of the source of the gravitational-wave signal, GW170817, allowed electromagnetic observatories to identify NGC 4993 as the host galaxy. In this work, we improve initial estimates of the binary’s properties, including component masses, spins, and tidal parameters, using the known source location, improved modeling, and recalibrated Virgo data. We extend the range of gravitational-wave frequencies considered down to 23 Hz, compared to 30 Hz in the initial analysis. We also compare results inferred using several signal models, which are more accurate and incorporate additional physical effects as compared to the initial analysis. We improve the localization of the gravitational-wave source to a 90% credible region of 16 deg2. We find tighter constraints on the masses, spins, and tidal parameters, and continue to find no evidence for nonzero component spins. The component masses are inferred to lie between 1.00 and 1.89 M⊙ when allowing for large component spins, and to lie between 1.16 and 1.60 M⊙ (with a total mass 2.73−0.01+0.04 M⊙) when the spins are restricted to be within the range observed in Galactic binary neutron stars. Using a precessing model and allowing for large component spins, we constrain the dimensionless spins of the components to be less than 0.50 for the primary and 0.61 for the secondary. Under minimal assumptions about the nature of the compact objects, our constraints for the tidal deformability parameter Λ˜ are (0,630) when we allow for large component spins, and 300−230+420 (using a 90% highest posterior density interval) when restricting the magnitude of the component spins, ruling out several equation-of-state models at the 90% credible level. Finally, with LIGO and GEO600 data, we use a Bayesian analysis to place upper limits on the amplitude and spectral energy density of a pos

关键词： Gravitational waves Binary stars Neutron stars & pulsars Astronomical masses & mass distributions Composition of astronomical objects distances, redshifts, & velocities

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Azimuthal correlations of prompt d mesons with charged particles in pp and p-Pb collisions at √sNN = 5.02 TeV

arXiv

引用

arXiv 2019年

作者： Acharya, S. Adamová, d. Adler, A. Adolfsson, J. Aggarwal, M.M. Aglieri rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, d.S.d. Aleksandrov, d. Alessandro, B. Alfanda, H.M. Alfaro Molina, r. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, d. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, r. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, r. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, r. Aziz, S. Azmi, M.d. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, r. Bala, r. Baldisseri, A. Ball, M. Balouza, S. Barbera, r. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Bauri, d. Bazo Alba, J.L. Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Bell Hechavarria, A.d.C. Bellini, F. Bellwied, r. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, d. Bertens, r.A. Berzano, d. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.r. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, r. Biswas, S. Blair, J.T. Blau, d. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boi, S. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.d. Budnikov, d. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, d. Caliva, A. Calvo Villar, E. Camacho, r.S. Camerini, P. Capon, A.A. Carnesecchi, F. Caron, r. Castillo Castellanos, J. Castro, A.J. Casula, E.A.r. Catalano, F. Ceballos Sanchez, C. Chakraborty, P. Dipartimento DET Politecnico di Torino Turin Italy M.V. Lomonosov Moscow State University D.V. Skobeltsyn Institute of Nuclear Physics Moscow Russia Department of Applied Physics Aligarh Muslim University Aligarh India Institute of Theoretical Physics University of Wroclaw Poland Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russia California Polytechnic State University San Luis ObispoCA United States Central China Normal University Wuhan China Centre de Calcul de l'IN2P3 Villeurbanne Lyon France Havana Cuba Mexico City and Mérida Mexico Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi' Rome Italy Chicago State University ChicagoIL United States China Institute of Atomic Energy Beijing China Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia COMSATS University Islamabad Islamabad Pakistan Creighton University OmahaNE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan Korea Republic of Department of Physics Sejong University Seoul Korea Republic of Department of Physics University of California BerkeleyCA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica Università'La Sapienza' Sezione INFN Rome Italy Dipartimento di Fisica Università and Sezione INFN Cagliari Italy Dipartimento di Fisica Università and Sezione INFN Trieste Italy Dipartimento di Fisica Università and Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia Università and Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia Università and Sezione INFN Catania Italy Dipartimento di Fisica e Astronomia Università and Sezione INFN Padova

The measurement of the azimuthal-correlation function of prompt d mesons with charged particles in pp collisions at √s = 5.02 TeV and p-Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the LHC is reported. The d0, d+, and d∗+ mesons, together with their charge conjugates, were reconstructed at midrapidity in the transverse momentum interval 3 T T > 0.3 GeV/c and pseudorapidity |η| © 2019, CC BY.

关键词： Charged particles

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