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Measurement of the τ lepton polarization in Z boson decays in proton-proton collisions at (Formula presented.)

Journal of High Energy Physics 2024年第1期2024卷 1-54页

作者： Hayrapetyan, A. tumasyan, A. Adam, W. Andrejkovic, J.W. Bergauer, t. Chatterjee, s. Damanakis, K. Dragicevic, M. Escalante Del Valle, A. Hussain, P.s. Jeitler, M. Krammer, N. Liko, D. Mikulec, i. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. templ, s. Waltenberger, W. Wulz, C.-E. Darwish, M.R. Janssen, t. Van Mechelen, P. Bols, E.s. D’Hondt, J. Dansana, s. De Moor, A. Delcourt, M. El Faham, H. Lowette, s. Makarenko, i. Müller, D. sahasransu, A.R. tavernier, s. tytgat, M. Van Putte, s. Vannerom, D. Clerbaux, B. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Khalilzadeh, A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Pétré, L. Postiau, N. thomas, L. Vanden Bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Hong, Y. Knolle, J. Lambrecht, L. Mestdach, G. Rendón, C. samalan, A. skovpen, K. Van Den Bossche, N. Wezenbeek, L. Benecke, A. Bruno, G. Caputo, C. Delaere, C. Donertas, i.s. Giammanco, A. Jaffel, K. Jain, sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. tran, t.t. Wertz, s. Alves, G.A. Coelho, E. Hensel, C. Menezes De Oliveira, t. Moraes, A. Rebello teles, P. soeiro, M. Aldá Júnior, W.L. Alves Gallo Pereira, M. Barroso Ferreira Filho, M. Brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, E.M. Da silveira, G.G. De Jesus Damiao, D. Fonseca De souza, s. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. santoro, A. silva Do Amaral, s.M. sznajder, A. thiel, M. Vilela Pereira, A. Bernardes, C.A. Calligaris, L. Fernandez Perez tomei, t.R. Gregores, E.M. Mercadante, P.G. Novaes, s.F. Orzari, B. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. ivanov, t. Litov, L. Pavlov, B. Petkov, P. Petrov, A. shumka, E. Keshri, s. thakur, s. Cheng, t. Guo, Q. Javaid, t. Mittal, M. Yuan, L. Bauer, G. Hu, Z. Yi, K. Chen, G.M. Chen, H.s. Chen, M. iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. sharma, R. song, J.N. tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos, A. Ban, Y. Lev Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

the polarization of τ leptons is measured using leptonic and hadronic τ lepton decays in Z → τ+ τ− events in proton-proton collisions at (Formula presented.) recorded by CMs at the CERN LHC with an integrated lum... 详细信息

the polarization of τ leptons is measured using leptonic and hadronic τ lepton decays in Z → τ+sup> τ−sup> events in proton-proton collisions at (Formula presented.) recorded by CMs at the CERN LHC with an integrated luminosity of 36.3 fb−1sup>. the measured τ−sup> lepton polarization at the Z boson mass pole is Pτsub>(Z) = −0.144 ± 0.006 (stat) ± 0.014 (syst) = −0.144 ± 0.015, in good agreement with the measurement of the τ lepton asymmetry parameter of Aτsub> = 0.1439 ± 0.0043 = − Pτsub>(Z) at LEP. the τ lepton polarization depends on the ratio of the vector to axial-vector couplings of the τ leptons in the neutral current expression, and thus on the effective weak mixing angle sin2sup> θWeff , independently of the Z boson production mechanism. the obtained value sin2sup> θWeff = 0.2319 ± 0.0008(stat) ± 0.0018(syst) = 0.2319 ± 0.0019 is in good agreement with measurements at e+sup> e−sup> colliders. [Figure not available: see fulltext.]. © 2024, the Author(s).

关键词： Hadron-Hadron scattering tau Physics

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search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LiGO data

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Physical Review D 2022年第2期105卷 022002-022002页

作者： R. Abbott t. D. Abbott F. Acernese K. Ackley C. Adams N. Adhikari R. X. Adhikari V. B. Adya C. Affeldt D. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. D. Aguiar L. Aiello A. Ain t. Akutsu s. Albanesi A. Allocca P. A. Altin A. Amato C. Anand s. Anand A. Ananyeva s. B. Anderson W. G. Anderson M. Ando t. Andrade N. Andres t. Andrić s. V. Angelova s. Ansoldi J. M. Antelis s. Antier s. Appert Koji Arai Koya Arai Y. Arai s. Araki A. Araya M. C. Araya J. s. Areeda M. Arène N. Aritomi N. Arnaud s. M. Aronson K. G. Arun H. Asada Y. Asali G. Ashton Y. Aso M. Assiduo s. M. Aston P. Astone F. Aubin C. Austin s. Babak F. Badaracco M. K. M. Bader C. Badger s. Bae Y. Bae A. M. Baer s. Bagnasco Y. Bai L. Baiotti J. Baird R. Bajpai M. Ball G. Ballardin s. W. Ballmer A. Balsamo G. Baltus s. Banagiri D. Bankar J. C. Barayoga C. Barbieri B. C. Barish D. Barker P. Barneo F. Barone B. Barr L. Barsotti M. Barsuglia D. Barta J. Bartlett M. A. Barton i. Bartos R. Bassiri A. Basti M. Bawaj J. C. Bayley A. C. Baylor M. Bazzan B. Bécsy V. M. Bedakihale M. Bejger i. Belahcene V. Benedetto D. Beniwal t. F. Bennett J. D. Bentley M. BenYaala F. Bergamin B. K. Berger s. Bernuzzi D. Bersanetti A. Bertolini J. Betzwieser D. Beveridge R. Bhandare U. Bhardwaj D. Bhattacharjee s. Bhaumik i. A. Bilenko G. Billingsley s. Bini R. Birney O. Birnholtz s. Biscans M. Bischi s. Biscoveanu A. Bisht B. Biswas M. Bitossi M.-A. Bizouard J. K. Blackburn C. D. Blair D. G. Blair R. M. Blair F. Bobba N. Bode M. Boer G. Bogaert M. Boldrini L. D. Bonavena F. Bondu E. Bonilla R. Bonnand P. Booker B. A. Boom R. Bork V. Boschi N. Bose s. Bose V. Bossilkov V. Boudart Y. Bouffanais A. Bozzi C. Bradaschia P. R. Brady A. Bramley A. Branch M. Branchesi J. E. Brau M. Breschi t. Briant J. H. Briggs A. Brillet M. Brinkmann P. Brockill A. F. Brooks J. Brooks D. D. Brown s. Brunett G. Bruno R. Bruntz J. Bryant t. Bulik H. J. Bulten A. Buonanno R. Buscicchio D. Buskulic C. Buy R. L. Byer L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo J. D. Callaghan t. A. Callister E. Ca LIGO Laboratory California Institute of Technology Pasadena California 91125 USA Louisiana State University Baton Rouge Louisiana 70803 USA Dipartimento di Farmacia Università di Salerno I-84084 Fisciano 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 University of Wisconsin-Milwaukee Milwaukee Wisconsin 53201 USA OzGrav Australian National University Canberra Australian Capital Territory 0200 Australia Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany Inter-University Centre for Astronomy and Astrophysics Pune 411007 India University of Cambridge Cambridge CB2 1TN United Kingdom Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena D-07743 Jena Germany University of Birmingham Birmingham B15 2TT United Kingdom Center for Interdisciplinary Exploration & Research in Astrophysics (CIERA) Northwestern University Evanston Illinois 60208 USA Instituto Nacional de Pesquisas Espaciais 12227-010 São José dos Campos São Paulo Brazil Gravity Exploration Institute Cardiff University Cardiff CF24 3AA United Kingdom INFN Sezione di Pisa I-56127 Pisa Italy Gravitational Wave Science Project National Astronomical Observatory of Japan (NAOJ) Mitaka City Tokyo 181-8588 Japan Advanced Technology Center National Astronomical Observatory of Japan (NAOJ) Mitaka City Tokyo 181-8588 Japan INFN Sezione di Torino I-10125 Torino Italy Università di Napoli “Federico II” Complesso Universitario di Monte S. Angelo I-80126 Napoli Italy Université de Lyon Université Claude Bernard Lyon 1 CNRS Institut Lumière Matière F-69622 Villeurbanne France Department of Physics The University of Tokyo Bunkyo-ku Tokyo 113-0033 Japan Research Center for the Early Un

Results are presented of searches for continuous gravitational waves from 20 accreting millisecond x-ray pulsars with accurately measured spin frequencies and orbital parameters, using data from the third observing run of the Advanced LiGO and Advanced Virgo detectors. the search algorithm uses a hidden Markov model, where the transition probabilities allow the frequency to wander according to an unbiased random walk, while the J-statistic maximum-likelihood matched filter tracks the binary orbital phase. three narrow subbands are searched for each target, centered on harmonics of the measured spin frequency. the search yields 16 candidates, consistent with a false alarm probability of 30% per subband and target searched. these candidates, along with one candidate from an additional target-of-opportunity search done for sAX J1808.4−3658, which was in outburst during one month of the observing run, cannot be confidently associated with a known noise source. Additional follow-up does not provide convincing evidence that any are a true astrophysical signal. When all candidates are assumed nonastrophysical, upper limits are set on the maximum wave strain detectable at 95% confidence, h095%. the stri.t.st constraint is h095%=4.7×10−26 from iGR J17062−6143. Constraints on the detectable wave strain from each target lead to constraints on neutron star ellipticity and r-mode amplitude, the stri.t.st of which are ε95%=3.1×10−7 and α95%=1.8×10−5 respectively. this analysis is the most comprehensive and sensitive search of continuous gravitational waves from accreting millisecond x-ray pulsars to date.

关键词： Gravitational waves Binary stars Neutron stars & pulsars

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GrailQuest & HERMEs: Hunting for gravitational wave electromagnetic counterparts and probing space-time quantum foam

GrailQuest & HERMES: Hunting for gravitational wave electrom...

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space telescopes and instrumentation 2020: Ultraviolet to Gamma Ray

作者： Burderi, L. Di salvo, t. sanna, A. Fiore, F. Riggio, A. Gambino, A.F. Amarilli, F. Amati, L. Ambrosino, F. Amelino-Camelia, G. Anitra, A. Barbera, M. Bechini, M. Bellutti, P. Bertacin, R. Bertuccio, G. Campana, R. Cao, J. Capozziello, s. Ceraudo, F. Chen, t. Cinelli, M. Citossi, M. Clerici, A. Colagrossi, A. Costa, E. Curzel, s. De Laurentis, M. Della Casa, G. Demenev, E. Del santo, M. Della Valle, M. Dilillo, G. Efremov, P. Evangelista, Y. Feroci, M. Feruglio, C. Ferrandi, F. Fiorini, M. Fiorito, M. Frontera, F. Fuschino, F. Gacnik, D. Galgóczi, G. Gao, N. Gandola, M. Ghirlanda, G. Gomboc, A. Grassi, M. Guidorzi, C. Guzman, A. iaria, R. Karlica, M. Kostic, U. Labanti, C. La Rosa, G. Lo Cicero, U. Lopez Fernandez, B. Lunghi, P. Malcovati, P. Maselli, A. Manca, A. Mele, F. Milánkovich, D. Monge, A. Morgante, G. Nava, L. Negri, B. Nogara, P. Ohno, M. Ottolina, D. Pasquale, A. Pal, A. Perri, M. Piccinin, M. Piazzolla, R. Pirrotta, s. Pliego-Caballero, s. Prinetto, J. Pucacco, G. Puccetti, s. Rapisarda, M. Rashevskaya, i. Rashevski, A. Ripa, J. Russo, F. Papitto, A. Piranomonte, s. santangelo, A. scala, F. sciarrone, G. selcan, D. silvestrini, s. sottile, G. Rapisarda, M. Rotovnik, t. tenzer, C. troisi, i. Vacchi, A. Virgilli, E. Werner, N. Wang, L. Xu, Y. Zampa, G. Zampa, N. Zane, s. Zanotti, G. Dipartimento di Fisica Universit`a degli Studi di Cagliari SP Monserrato-Sestu km 0.7 MonserratoI-09042 Italy Dipartimento di Fisica e Chimica Universit`a degli Studi di Palermo via Archirafi 36 PalermoI-90123 Italy INAF-OATS Via G.B. Tiepolo 11 TriesteI-34143 Italy Politecnico di Milano Via La Masa 34 Milano20156 Italy Agenzia Spaziale Italiana via del Politecnico snc Roma00133 Italy INAF-IAPS Rome Via del Fosso del Cavaliere 100 I-00133 Italy INAF-OAS Bologna Via Gobetti 101 BolognaI-40129 Italy DEIMOS Spain Fondazione Politecnico di Milano Piazza Leonardo da Vinci 32 Milano20133 Italy Dipartimento di Fisica Ettore Pancini Universit`a di Napoli 'Federico II' NapoliI-80126 Italy INFN Sezione di Napoli Complesso Univ. Monte S. Angelo NapoliI-80126 Italy Fondazione Bruno Kessler - FBK Via Sommarive 18 TrentoI-38123 Italy of Politecnico di Milano Como Campus Via Anzani 42 Como22100 Italy Institute of High Energy Physics Chinese Academy of Sciences China Dipartimento di Matematica Universit`a di Roma Tor Vergata Universit`a degli Studi di Udine Via delle Scienze 206 Udine33100 Italy Aalta Lab Slovenia INAF-IASF Palermo Via U. La Malfa 153 PalermoI-90146 Italy University of Nova Gorica Slovenia INAF-IASF Milano Via Bassini 15 MilanoI-20100 Italy Skylabs Slovenia INAF-OAB Via E. Bianchi 46 MerateI-23807 Italy University of Pavia Department of Electrical Computer and Biomedical Engineering Via Ferrata 5 PaviaI-27100 Italy IAAT University of Tuebingen Sand 1 Tuebingen72076 Germany C3S Hungary ELTE - Eötövs Loránd University Hungary Konkoly Observatory Hungary INAF - Osservatorio Astronomico di Roma via Frascati 33 Monteporzio CatoneI-00040 Italy - ASI via del Politecnico s.n.c. RomaI-00133 Italy TIFPA INFN Department of Theoretical Physics and Astrophysics Masaryk University Brno Czech Republic INFN Udine Via delle Scienze 206 UdineI-33100 Italy INFN sez. Trieste Padriciano 99 TriesteI-34127 Italy Dipartimento

ISBN: (纸本)9781510636750

GrailQuest (Gamma-ray Astronomy international Laboratory for Quantum Exploration of space-time) is an ambitious astrophysical mission concept that uses a fleet of small satellites whose main objective is to search for a dispersion law for light propagation in vacuo. Within Quantum Gravity theories, different models for space-time quantization predict relative discrepancies of the speed of photons w.r.t. the speed of light that depend on the ratio of the photon energy to the Planck energy. this ratio is as small as 10-23 for photons in the γ- ray band (100 keV). therefore, to detect this effect, light must propagate over enormous distances and the experiment must have extraordinary sensitivity. Gamma-Ray Bursts, occurring at cosmological distances, could be used to detect this tiny signature of space-time granularity. this can be obtained by coherently combine a huge number of small instruments distributed in space to act as a single detector of unprecedented effective area. this is the first example of high-energy distributed astronomy: a new concept of modular observatory of huge overall collecting area consisting in a fleet of small satellites in low orbits, with sub-microsecond time resolution and wide energy band (keV-MeV). the enormous number of collected photons will allow to effectively search these energy dependent delays. Moreover, GrailQuest will allow to perform temporal triangulation of impulsive events with arc-second positional accuracies: an extraordinary sensitive X-ray/Gamma all-sky monitor crucial for hunting the elusive electromagnetic counterparts of Gravitational Waves, that will play a paramount role in the future of Multi-messenger Astronomy. A pathfinder of GrailQuest is already under development through the HERMEs (High Energy Rapid Modular Ensemble of satellites) project: a fleet of six 3U cube-sats to be launched by the end of 2022. © 2020 sPiE.

关键词： Gravity waves

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search of the early O3 LiGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants

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Physical Review D 2022年第8期105卷 082005-082005页

作者： R. Abbott t. D. Abbott F. Acernese K. Ackley C. Adams N. Adhikari R. X. Adhikari V. B. Adya C. Affeldt D. Agarwal M. Agathos K. Agatsuma N. Aggarwal O. D. Aguiar L. Aiello A. Ain P. Ajith s. Albanesi A. Allocca P. A. Altin A. Amato C. Anand s. Anand A. Ananyeva s. B. Anderson W. G. Anderson t. Andrade N. Andres t. Andrić s. V. Angelova s. Ansoldi J. M. Antelis s. Antier s. Appert K. Arai M. C. Araya J. s. Areeda M. Arène N. Arnaud s. M. Aronson K. G. Arun Y. Asali G. Ashton M. Assiduo s. M. Aston P. Astone F. Aubin C. Austin s. Babak F. Badaracco M. K. M. Bader C. Badger s. Bae A. M. Baer s. Bagnasco Y. Bai J. Baird M. Ball G. Ballardin s. W. Ballmer A. Balsamo G. Baltus s. Banagiri D. Bankar J. C. Barayoga C. Barbieri B. C. Barish D. Barker P. Barneo F. Barone B. Barr L. Barsotti M. Barsuglia D. Barta J. Bartlett M. A. Barton i. Bartos R. Bassiri A. Basti M. Bawaj J. C. Bayley A. C. Baylor M. Bazzan B. Bécsy V. M. Bedakihale M. Bejger i. Belahcene V. Benedetto D. Beniwal t. F. Bennett J. D. Bentley M. BenYaala F. Bergamin B. K. Berger s. Bernuzzi D. Bersanetti A. Bertolini J. Betzwieser D. Beveridge R. Bhandare U. Bhardwaj D. Bhattacharjee s. Bhaumik i. A. Bilenko G. Billingsley s. Bini R. Birney O. Birnholtz s. Biscans M. Bischi s. Biscoveanu A. Bisht B. Biswas M. Bitossi M.-A. Bizouard J. K. Blackburn C. D. Blair D. G. Blair R. M. Blair F. Bobba N. Bode M. Boer G. Bogaert M. Boldrini L. D. Bonavena F. Bondu E. Bonilla R. Bonnand P. Booker B. A. Boom R. Bork V. Boschi N. Bose s. Bose V. Bossilkov V. Boudart Y. Bouffanais A. Bozzi C. Bradaschia P. R. Brady A. Bramley A. Branch M. Branchesi J. E. Brau M. Breschi t. Briant J. H. Briggs A. Brillet M. Brinkmann P. Brockill A. F. Brooks J. Brooks D. D. Brown s. Brunett G. Bruno R. Bruntz J. Bryant t. Bulik H. J. Bulten A. Buonanno R. Buscicchio D. Buskulic C. Buy R. L. Byer L. Cadonati G. Cagnoli C. Cahillane J. Calderón Bustillo J. D. Callaghan t. A. Callister E. Calloni J. Cameron J. B. Camp M. Canepa s. Canevarolo M. Cannavacciuolo K. C. Cannon H. Cao E. Capote G. LIGO Laboratory California Institute of Technology Pasadena California 91125 USA Louisiana State University Baton Rouge Louisiana 70803 USA Dipartimento di Farmacia Università di Salerno I-84084 Fisciano Salerno Italy INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo I-80126 Napoli Italy OzGrav School of Physics and Astronomy Monash University Clayton 3800 Victoria Australia LIGO Livingston Observatory Livingston Louisiana 70754 USA University of Wisconsin-Milwaukee Milwaukee Wisconsin 53201 USA OzGrav Australian National University Canberra Australian Capital Territory 0200 Australia Max Planck Institute for Gravitational Physics (Albert Einstein Institute) D-30167 Hannover Germany Leibniz Universität Hannover D-30167 Hannover Germany Inter-University Centre for Astronomy and Astrophysics Pune 411007 India University of Cambridge Cambridge CB2 1TN United Kingdom Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena D-07743 Jena Germany University of Birmingham Birmingham B15 2TT United Kingdom Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) Northwestern University Evanston Illinois 60208 USA Instituto Nacional de Pesquisas Espaciais 12227-010 São José dos Campos São Paulo Brazil Gravity Exploration Institute Cardiff University Cardiff CF24 3AA United Kingdom INFN Sezione di Pisa I-56127 Pisa Italy International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India INFN Sezione di Torino I-10125 Torino Italy Università di Napoli “Federico II” Complesso Universitario di Monte S. Angelo I-80126 Napoli Italy Université de Lyon Université Claude Bernard Lyon 1 CNRS Institut Lumière Matière F-69622 Villeurbanne France Institut de Ciències del Cosmos (ICCUB) Universitat de Barcelona C/ Martí i Franquès 1 Barcelona 08028 Spain Laboratoire d’Annecy de Physique des Particules (LAPP) Université Grenoble Alpes Université Savoie Mont Blanc CNRS/IN

We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the LiGO detector data from the first six months of the third Advanced LiGO and Virgo observing run using the weave semicoherent method, which sums matched-filter detection-statistic values over many time segments spanning the observation period. No gravitational wave signal is detected in the search band of 20–976 Hz for assumed source ages greater than 300 years for Cas A and greater than 700 years for Vela Jr. Estimates from simulated continuous wave signals indicate we achieve the most sensitive results to date across the explored parameter space volume, probing to strain magnitudes as low as ∼6.3×10−26 for Cas A and ∼5.6×10−26 for Vela Jr. at frequencies near 166 Hz at 95% efficiency.

关键词： Astrophysical studies of gravity Gravitational wave detection Gravitational wave sources Gravitational waves

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Follow-up of GWtC-2 gravitational wave events with neutrinos from the super-Kamiokande detector 37

Follow-up of GWTC-2 gravitational wave events with neutrinos...

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37th international Cosmic Ray Conference, iCRC 2021

作者： Abe, K. Bronner, C. Hayato, Y. Hiraide, K. ikeda, M. Kameda, J. Kanemura, Y. Kataoka, Y. Miki, s. Miura, M. Moriyama, s. Nagao, Y. Nakahata, M. Nakayama, s. Okamoto, K. Pronost, G. sekiya, H. shiozawa, M. sonoda, Y. suzuki, Y. takeda, A. takemoto, Y. takenaka, A. tanaka, H. Watanabe, s. Yano, t. Han, s. Kajita, t. Okumura, K. tashiro, t. Xia, J. Megias, G.D. Labarga, L. Marti, Ll. Zaldivar, B. Pointon, B.W. Kearns, E. Raaf, J.L. Wan, L. Wester, t. Bian, J. Griskevich, N.J. Kropp, W.R. Locke, s. Mine, s. smy, M.B. sobel, H.W. takhistov, V. Hill, J. Kim, J.Y. Lim, i.t. Park, R.G. Bodur, B. scholberg, K. Walter, C.W. Bernard, L. Coffani, A. Drapier, O. El Hedri, s. Giampaolo, A. Gonin, M. Mueller, th.A. Paganini, P. Quilain, B. ishizuka, t. Nakamura, t. Jang, J.s. Learned, J.G. Cao, s. Anthony, L.H.V. Martin, D. scott, M. sztuc, A.A. Uchida, Y. Berardi, V. Catanesi, M.G. Radicioni, E. Calabria, N.F. Machado, L.N. De Rosa, G. Collazuol, G. iacob, F. Lamoureux, Mathieu Mattiazzi, M. Ospina, N. Ludovici, L. Maekawa, Y. Nishimura, Y. Friend, M. Hasegawa, t. ishida, t. Kobayashi, t. Jakkapu, M. Matsubara, t. Nakadaira, t. Nakamura, K. Oyama, Y. sakashita, K. sekiguchi, t. tsukamoto, t. Boschi, t. Di Lodovico, F. Gao, J. Migenda, J. taani, M. Zsoldos, s. Nakano, Y. Ozaki, H. suzuki, A.t. takeuchi, Y. Yamamoto, s. Kotsar, Y. Ali, A. Feng, J. Kikawa, t. Mori, M. Nakaya, t. Wendell, R.A. Yasutome, K. Fernandez, P. McCauley, N. Mehta, P. tsui, K.M. Fukuda, Y. itow, Y. Menjo, H. sato, K. Lagoda, J. Lakshmi, s.M. Mijakowski, P. Zalipska, J. Jiang, J. Jung, C.K. Vilela, C. Wilking, M.J. Yanagisawa, C. Harada, M. ishino, H. ito, s. Kitagawa, H. Koshio, Y. Ma, W. Piplani, N. sakai, s. Barr, G. Barrow, D. Cook, L. Goldsack, A. samani, s. Wark, D. Nova, F. Yang, J.Y. Jenkins, s.J. Malek, M. McElwee, J.M. stone, O. thiesse, M.D. thompson, L.F. Okazawa, H. Kamioka Observatory Institute for Cosmic Ray Research University of Tokyo Kamioka Gifu506-1205 Japan Research Center for Cosmic Neutrinos Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Department of Theoretical Physics University Autonoma Madrid Madrid28049 Spain Department of Physics Boston University BostonMA02215 United States Department of Physics British Columbia Institute of Technology BurnabyBCV5G 3H2 Canada Department of Physics and Astronomy University of California Irvine IrvineCA92697-4575 United States Department of Physics California State University Dominguez Hills CarsonCA90747 United States Institute for Universe and Elementary Particles Chonnam National University Gwangju61186 Korea Republic of Department of Physics Duke University DurhamNC27708 United States Ecole Polytechnique IN2P3-CNRS Laboratoire Leprince-Ringuet PalaiseauF-91120 France Junior College Fukuoka Institute of Technology Fukuoka Fukuoka811-0295 Japan Department of Physics Gifu University Gifu501-1193 Japan GIST College Gwangju Institute of Science and Technology Gwangju500-712 Korea Republic of Department of Physics and Astronomy University of Hawaii HonoluluHI96822 United States Institute for Interdisciplinary Research in Science and Education ICISE Quy Nhon55121 Viet Nam Department of Physics Imperial College London LondonSW7 2AZ United Kingdom Dipartimento Interuniversitario di Fisica INFN Sezione di Bari Università e Politecnico di Bari BariI-70125 Italy Dipartimento di Fisica INFN Sezione di Napoli Università di Napoli NapoliI-80126 Italy Dipartimento di Fisica INFN Sezione di Padova Università di Padova PadovaI-35131 Italy INFN Sezione di Roma Università di Roma "La Sapienza" RomaI-00185 Italy Department of Physics Keio University Kanagawa Yokohama223-8522 Japan Ibaraki Tsukuba305-0801 Japan Depar

super-Kamiokande (sK) is a 50-kt water Cherenkov detector, instrumented with ∼ 13k photo-multipliers and running since 1996. it is sensitive to neutrinos with energies ranging from 4.5 MeV to several teV. A new framework has been developed for the follow-up of gravitational wave (GW) alerts issued by the LiGO-Virgo collaboration (LVC). Neutrinos are searched for, using a 1000-second time window centered on the alert time and in both sK low-energy and high-energy samples. such observation can then be used to constrain the neutrino emission from the GW source. the significance of potential signals has been obtained by comparing neutrino direction with the localization of the GW. the computation of limits on incoming neutrino flux and on the total energy emitted in neutrinos by the source has been performed for the different neutrino flavors. the results using the LVC GWtC-2 catalog (covering O3a period) are presented, as well as the outlooks for the future real-time public release of follow-ups for the O4 period (in 2022) and beyond. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 international License (CC BY-NC-ND 4.0)

关键词： Gravity waves

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Diffuse supernova Neutrino Background search at super-Kamiokande with neutron tagging 37

Diffuse Supernova Neutrino Background search at Super-Kamiok...

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37th international Cosmic Ray Conference, iCRC 2021

作者： Giampaolo, Alberto El Hedri, sonia Abe, K. Bronner, C. Hayato, Y. Hiraide, K. ikeda, M. Kameda, J. Kanemura, Y. Kataoka, Y. Miki, s. Miura, M. Moriyama, s. Nagao, Y. Nakahata, M. Nakayama, s. Okamoto, K. Pronost, G. sekiya, H. shiozawa, M. sonoda, Y. suzuki, Y. takeda, A. takemoto, Y. takenaka, A. tanaka, H. Watanabe, s. Yano, t. Han, s. Kajita, t. Okumura, K. tashiro, t. Xia, J. Megias, G.D. Labarga, L. Marti, Ll. Zaldivar, B. Pointon, B.W. Kearns, E. Raaf, J.L. Wan, L. Wester, t. Bian, J. Griskevich, N.J. Kropp, W.R. Locke, s. Mine, s. smy, M.B. sobel, H.W. takhistov, V. Hill, J. Kim, J.Y. Lim, i.t. Park, R.G. Bodur, B. scholberg, K. Walter, C.W. Bernard, L. Coffani, A. Drapier, O. El-Hedri, s. Giampolo, A. Gonin, M. Mueller, th.A. Paganini, P. Quilain, B. ishizuka, t. Nakamura, t. Jang, J.s. Learned, J.G. Cao, s. Anthony, L.H.V. Martin, D. scott, M. sztuc, A.A. Uchida, Y. Berardi, V. Catanesi, M.G. Radicioni, E. Calabria, N.F. Machado, L.N. De Rosa, G. Collazuol, G. iacob, F. Lamoureux, M. Mattiazzi, M. Ospina, N. Ludovici, L. Maekawa, Y. Nishimura, Y. Friend, M. Hasegawa, t. ishida, t. Kobayashi, t. Jakkapu, M. Matsubara, t. Nakadaira, t. Nakamura, K. Oyama, Y. sakashita, K. sekiguchi, t. tsukamoto, t. Boschi, t. Di Lodovico, F. Gao, J. Migenda, J. taani, M. Zsoldos, s. Nakano, Y. Ozaki, H. suzuki, A.t. takeuchi, Y. Yamamoto, s. Kotsar, Y. Ali, A. Feng, J. Kikawa, t. Mori, M. Nakaya, t. Wendell, R.A. Yasutome, K. Fernandez, P. McCauley, N. Mehta, P. tsui, K.M. Fukuda, Y. itow, Y. Menjo, H. sato, K. Lagoda, J. Lakshmi, s.M. Mijakowski, P. Zalipska, J. Jiang, J. Jung, C.K. Vilela, C. Wilking, M.J. Yanagisawa, C. Harada, M. ishino, H. ito, s. Kitagawa, H. Koshio, Y. Ma, W. Piplani, N. sakai, s. Barr, G. Barrow, D. Cook, L. Goldsack, A. samani, s. Wark, D. Nova, F. Yang, J.Y. Jenkins, s.J. Malek, M. McElwee, J.M. stone, O. thiesse, M.D. École Polytechnique IN2P3 CNRS Laboratoire Leprince-Ringuet Route de Saclay Palaiseau91120 France Kamioka Observatory Institute for Cosmic Ray Research University of Tokyo Kamioka Gifu506-1205 Japan Research Center for Cosmic Neutrinos Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Department of Theoretical Physics University Autonoma Madrid Madrid28049 Spain Department of Physics Boston University BostonMA02215 United States Department of Physics British Columbia Institute of Technology BurnabyBCV5G 3H2 Canada Department of Physics and Astronomy University of California Irvine IrvineCA92697-4575 United States Department of Physics California State University Dominguez Hills CarsonCA90747 United States Institute for Universe and Elementary Particles Chonnam National University Gwangju61186 Korea Republic of Department of Physics Duke University DurhamNC27708 United States Ecole Polytechnique IN2P3 CNRS Laboratoire Leprince-Ringuet PalaiseauF-91120 France Junior College Fukuoka Institute of Technology Fukuoka Fukuoka811-0295 Japan Department of Physics Gifu University Gifu Gifu501-1193 Japan GIST College Gwangju Institute of Science and Technology Gwangju500-712 Korea Republic of Department of Physics and Astronomy University of Hawaii HonoluluHI96822 United States Institute For Interdisciplinary Research in Science and Education ICISE Quy Nhon55121 Viet Nam Department of Physics Imperial College London LondonSW7 2AZ United Kingdom Dipartimento Interuniversitario di Fisica INFN Sezione di Bari Università e Politecnico di Bari BariI-70125 Italy Dipartimento di Fisica INFN Sezione di Napoli Università di Napoli NapoliI-80126 Italy Dipartimento di Fisica INFN Sezione di Padova Università di Padova PadovaI-35131 Italy INFN Sezione di Roma Università di Roma "La Sapienza" RomaI-00185 Italy Depar

Detecting the Diffuse supernova Neutrino Background at super-Kamiokande requires designing state-of-the-art background removal technique to reject radioactivity induced by cosmic muon spallation, and identify atmospheric neutrino interactions. identifying the neutron produced by the interaction of DsNB antineutrinos would allow to remove most of these backgrounds, but is particularly challenging in pure water. With the advent of the sK-Gd era, with Gadolinium being dissolved in the sK water, the efficiency of the neutron tagging procedure will increase dramatically, and the sK experiment will make significant gains in its sensitivity to the DsNB. i will present the role of neutron tagging and the challenges it provides, as well as discuss the impact of the sK-Gd project. © Copyright owned by the author(s).

关键词： Neutrons

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Diffuse supernova Neutrino Background search at super-Kamiokande 37

Diffuse Supernova Neutrino Background Search at Super-Kamiok...

引用

37th international Cosmic Ray Conference, iCRC 2021

作者： El Hedri, s. Ashida, Y. Abe, K. Bronner, C. Hayato, Y. Hiraide, K. ikeda, M. Kameda, J. Kanemura, Y. Kataoka, Y. Miki, s. Miura, M. Moriyama, s. Nagao, Y. Nakahata, M. Nakayama, s. Okamoto, K. Pronost, G. sekiya, H. shiozawa, M. sonoda, Y. suzuki, Y. takeda, A. takemoto, Y. takenaka, A. tanaka, H. Watanabe, s. Yano, t. Han, s. Kajita, t. Okumura, K. tashiro, t. Xia, J. Megias, G.D. Labarga, L. Marti, Ll. Zaldivar, B. Pointon, B.W. Kearns, E. Raaf, J.L. Wan, L. Wester, t. Bian, J. Griskevich, N.J. Kropp, W.R. Locke, s. Mine, s. smy, M.B. sobel, H.W. takhistov, V. Hill, J. Kim, J.Y. Lim, i.t. Park, R.G. Bodur, B. scholberg, K. Walter, C.W. Bernard, L. Coffani, A. Drapier, O. El-Hedri, s. Gimpaolo, A. Gonin, M. Mueller, th.A. Paganini, P. Quilain, B. ishizuka, t. Nakamura, t. Jang, J.s. Learned, J.G. Cao, s. Anthony, L.H.V. Martin, D. scott, M. sztuc, A.A. Uchida, Y. Berardi, V. Catanesi, M.G. Radicioni, E. Calabria, N.F. Machado, L.N. De Rosa, G. Collazuol, G. iacob, F. Lamoureux, M. Mattiazzi, M. Ospina, N. Ludovici, L. Maekawa, Y. Nishimura, Y. Friend, M. Hasegawa, t. ishida, t. Kobayashi, t. Jakkapu, M. Matsubara, t. Nakadaira, t. Nakamura, K. Oyama, Y. sakashita, K. sekiguchi, t. tsukamoto, t. Boschi, t. Di Lodovico, F. Gao, J. Migenda, J. taani, M. Zsoldos, s. Nakano, Y. Ozaki, H. suzuki, A.t. takeuchi, Y. Yamamoto, s. Kotsar, Y. Ali, A. Feng, J. Kikawa, t. Mori, M. Nakaya, t. Wendell, R.A. Yasutome, K. Fernandez, P. McCauley, N. Mehta, P. tsui, K.M. Fukuda, Y. itow, Y. Menjo, H. sato, K. Lagoda, J. Lakshmi, s.M. Mijakowski, P. Zalipska, J. Jiang, J. Jung, C.K. Vilela, C. Wilking, M.J. Yanagisawa, C. Harada, M. ishino, H. ito, s. Kitagawa, H. Koshio, Y. Ma, W. Piplani, N. sakai, s. Barr, G. Barrow, D. Cook, L. Goldsack, A. samani, s. Wark, D. Nova, F. Yang, J.Y. Jenkins, s.J. Malek, M. McElwee, J.M. stone, O. thiesse, M.D. thompson, L.F. Okazawa, H. Ecole Polytechnique IN2P3-CNRS Laaoratoire Leprince-Ringuet PalaiseauF-91120 France Kyoto University Department of Physics Kyoto Kyoto606-8502 Japan Kamioka Observatory Institute for Cosmic Ray Research University of Tokyo Kamioka Gifu506-1205 Japan Research Center for Cosmic Neutrinos Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Institute for Cosmic Ray Research University of Tokyo Chiba Kashiwa277-8582 Japan Department of Theoretical Physics University Autonoma Madrid Madrid28049 Spain Department of Physics Boston University BostonMA02215 United States Department of Physics British Columbia Institute of Technology BurnabyBCV5G 3H2 Canada Department of Physics and Astronomy University of California Irvine IrvineCA92697-4575 United States Department of Physics California State University Dominguez Hills CarsonCA90747 United States Institute for Universe and Elementary Particles Chonnam National University Gwangju61186 Korea Republic of Department of Physics Duke University DurhamNC27708 United States Ecole Polytechnique IN2P3 CNRS Laboratoire Leprince-Ringuet PalaiseauF-91120 France Junior College Fukuoka Institute of Technology Fukuoka Fukuoka811-0295 Japan Department of Physics Gifu University Gifu Gifu501-1193 Japan GIST College Gwangju Institute of Science and Technology Gwangju500-712 Korea Republic of Department of Physics and Astronomy University of Hawaii HonoluluHI96822 United States Institute For Interdisciplinary Research in Science and Education ICISE Quy Nhon55121 Viet Nam Department of Physics Imperial College London LondonSW7 2AZ United Kingdom Dipartimento Interuniversitario di Fisica INFN Sezione di Bari Università e Politecnico di Bari BariI-70125 Italy Dipartimento di Fisica INFN Sezione di Napoli Università di Napoli NapoliI-80126 Italy Dipartimento di Fisica INFN Sezione di Padova Università di Padova PadovaI-35131 Italy INFN Sezione di Roma Unive

We present the results of a search for the Diffuse supernova Neutrino Background (DsNB) at super-Kamiokande (sK) that incorporates 22.5 × 2970 *** of data from its fourth data-taking phase. two analyses, with different energy regimes covering the 9.3−81.3 MeV antineutrino energy range, have been developed based on previous sK searches, with substantially improved background modeling and data reduction techniques. Moreover, a combined analysis of nearly 20 years of sK data (1996-2018) has been performed, with a 90% C.L. sensitivity to the DsNB flux comparable to various DsNB predictions. No significant evidence for a DsNB signal has been observed, and both analyses set world-leading limits on the DsNB flux that can reach about 2.7ν***−2.s−1 for a wide range of models. © Copyright owned by the author(s).

关键词： supernovae

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Quantum Games and interactive tools for Quantum technologies Outreach and Education

arXiv

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arXiv 2022年

作者： seskir, Zeki C. Migdal, Piotr Weidner, Carrie Anupam, Aditya Case, Nicky Davis, Noah Decaroli, Chiara Ercan, ilke Foti, Caterina Gora, Pawel Jankiewicz, Klementyna La Cour, Brian R. Malo, Jorge Yago Maniscalco, sabrina Naeemi, Azad Nita, Laurentiu Parvin, Nassim scafirimuto, Fabio sherson, Jacob F. surer, Elif Wootton, James Yeh, Lia Zabello, Olga Chiofalo, Marilù Karlsruhe Institute of Technology ITAS Karlstraße 11 Karlsruhe76133 Germany Quantum Flytrap ul. Ceglowska 29 Warsaw01-809 Poland Quantum Engineering Technology Laboratories H.H. Wills Physics Laboratory Department of Electrical and Electronic Engineering University of Bristol BristolBS8 1FD United Kingdom Georgia Institute of Technology School of Literature Media and Communication 686 Cherry St NW AtlantaGA30313 United States The University of Texas at Austin Center for Quantum Research Applied Research Laboratories 10000 Burnet Rd AustinTX78758 United States National Quantum Computing Center Oxfordshire DidcotOX11 0GD United Kingdom TU Delft Department of Microelectronics Mekelweg 4 Delft2628 CD Netherlands QPlayLearn Aalto University InstituteQ - The Finnish Quantum Institute Department of Applied Physics AaltoFI-00076 11000 Finland Quantum AI Foundation Sanocka 9/103 Warsaw02-110 Poland University of Pisa Department of Physics Largo Bruno Pontecorvo 3 PisaI-56126 Italy University of Helsinki InstituteQ - The Finnish Quantum Institute Department of Physics Helsinki Finland Georgia Institute of Technology School of Electrical and Computer Engineering 777 Atlantic Drive NW AtlantaGA30332 United States Quarks Interactive Strada Bailor 93a Miercurea-Ciuc Harghita4500 Romania IBM Quantum IBM Research - Zurich Säumerstrasse 4 Rüschlikon8803 Switzerland ScienceAtHome Fuglesangs Allé 4 Aarhus8210 Denmark Aarhus University Institute for Physics and Astronomy Ny Munkegade 120 Aarhus8000 Denmark Middle East Technical University Graduate School of Informatics Department of Modeling and Simulation Üniversiteler Mah. Dumlupınar Blv. No:1 Ankara06800 Turkey University of Oxford Department of Computer Science Wolfson Building Parks Road OxfordOX1 3QD United Kingdom IBM Quantum IBM T. J. Watson Research Center Yorktown HeightsNY10598 United States Offenburg University of Applied Sciences Department of Business and Industrial Eng

in this article, we provide an extensive overview of a wide range of quantum games and interactive tools that have been employed by the community in recent years. the paper presents selected tools, as described by their developers. the list includes Hello Quantum, Hello Qiskit, Particle in a Box, Psi and Delta, QPlayLearn, Virtual Lab by Quantum Flytrap, Quantum Odyssey, scienceAtHome, and the Virtual Quantum Optics Laboratory. Additionally, we present events for quantum game development: hackathons, game jams, and semester projects. Furthermore, we discuss the Quantum technologies Education for Everyone (QUtE4E) pilot project, which illustrates an effective integration of these interactive tools with quantum outreach and education activities. Finally, we aim at providing guidelines for incorporating quantum games and interactive tools in pedagogic materials to make quantum technologies more accessible for a wider population. Copyright © 2022, the Authors. All rights reserved.

关键词： Quantum optics

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Women for Quantum - Manifesto of Values

arXiv

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arXiv 2024年

作者： Beige, Almut Predojević, Ana Metelmann, Anja sanpera, Anna Macchiavello, Chiara Koch, Christiane P. silberhorn, Christine toninelli, Costanza Bruß, Dagmar Ercolessi, Elisa Paladino, Elisabetta Ferlaino, Francesca Ferrini, Giulia Platero, Gloria Fuentes, ivette Nemoto, Kae tarruell, Leticia Bondani, Maria Chiofalo, Marilu Pons, Marisa D'Angelo, Milena Murao, Mio Fabbri, Nicole Verrucchi, Paola senellart-Mardon, Pascale Citro, Roberta Zambrini, Roberta González-Férez, Rosario Maniscalco, sabrina Huelga, susana Mehlstäubler, tanja Parigi, Valentina Ahufinger, Verónica Aharonov, Dorit Allevi, Alessia Amini, Nina Anders, Janet Millán, Marta Anguiano Contera, sonia Antoranz Arapinis, Myrto Ares, Natalia Auffèves, Alexia Ban, ticijana Bañuls, Mari Carmen Barz, stefanie Bascones, Leni Bausá, Luisa Beauchard, Karine Bergamini, silvia Biel, Blanca Borras, Kerstin Bouchoule, isabelle Bouloufa, Nadia Broadbent, Anne Bruno, Natalia Caglayan, Humeyra Calderón, María José Calegari, Francesca del Carmen Carrión Pérez, María Caspani, Lucia Cerdeira, Hilda Cetto, Ana María Champenois, Caroline Clementi, Cecilia Colautti, Maja Cottet, Audray Croke, sarah D'Huys, Otti D'Amico, irene D'Auria, Virginia Datta, Nilanjana De Jesus Raimundo, sandra de Lacerda Paiva, thereza Cristina de Morais smith, Cristiane De Morisson Faria, Carla de Vega, inés de Zawadzki, Krissia Diamanti, Eleni Doosti, Mina Draxl, Claudia Dréau, Anaïs Ducci, sara Dultzin, Deborah Eberlein, Claudia Esposito, Martina Estarellas, Marta P. Everschor-sitte, Karin Facao, Margarida Roudsari, Anita Fadavi Fermanian, Clotilde Marmol, Veronica Fernandez Florido, Estrella França, Vivian F. Franke-Arnold, sonja Gagnon, Pauline Gallo, Elisabetta Alonso, Gemma García Pietro, Ana García Recio, Carmen García García-Álvarez, Laura García-Martínez, Pascuala Garutti, Erika Ghose, shohini Giacobino, Elisabeth Gianani, ilaria Goddard, Noel Goldfarb, Fabienne González, Gabriela Gordillo, María Carmen Gorfinkiel, Jimena D. Grange, Rachel Guellati-Khélifa, saïda Guha, suchi Guilleumas, Mon The School of Physics and Astronomy University of Leeds United Kingdom Department of Physics Stockholm University Sweden Institute for Theory of Condensed Matter Karlsruhe Institute of Technology Germany Institute for Quantum Materials and Technology Karlsruhe Institute of Technology Germany ISIS Université de Strasbourg France Informació i Fenòmens Quàntics Departament de Física Universitat Autònoma de Barcelona Spain ICREA Institució Catalana de Recerca i Estudis Avançats Spain Dipartimento di Fisica Università degli Studi di Pavia Italy INFN Sezione di Pavia Italy Dahlem Center for Complex Quantum Systems and Fachbereich Physik Freie Universität Berlin Germany Paderborn University Germany -INO Sesto Fiorentino Italy Sesto Fiorentino Italy Institut für Theoretische Physik III Heinrich-Heine-Universität Düsseldorf Germany Dipartimento di Fisica e Astronomia University of Bologna Italy INFN Sezione di Bologna Italy Dipartimento di Fisica e Astronomia "Ettore Majorana" Università di Catania Italy INFN Sezione di Catania Italy CNR-IMM UoS Università Catania Italy Institut für Quantenoptik und Quanteninformation Österreichische Akademie der Wissenschaften Innsbruck Austria Universität Innsbruck Institut für Experimentalphysik Austria Wallenberg Centre for Quantum Technology Department of Microtechnology and Nanoscience Chalmers University of Technology Göteborg Sweden Spain School of Physics and Astronomy University of Southampton United Kingdom Okinawa Institute of Science and Technology Graduate University Japan National Institute of Informatics Tokyo Japan ICFO Institut de Ciències Fotòniques The Barcelona Institute of Science and Technology Castelldefels Barcelona Spain CNR-Institute for Photonics and Nanotechnologies Como Italy Department of Physics "Enrico Fermi" University of Pisa INFN-Sezione di Pisa Italy EHU Quantum Center Universidad del País Vasco UPV EHU Leioa Spain Departamento de Física Aplicada Universidad del País Vasco UPV EH

Data show that the presence of women in quantum science is affected by a number of detriments and their percentage decreases even further for higher positions. Beyond data, from our shared personal experiences as female tenured quantum physics professors, we believe that the current model of scientific leadership, funding, and authority fails to represent many of us. it is time for a real change that calls for a different kind of force and for the participation of everyone. Women for quantum calls for a joint effort and aims with this initiative to contribute to such a transformation. © 2024, CC BY-NC-sA.

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First Measurement of a02(1320) Polarized Photoproduction Cross section

arXiv

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arXiv 2025年

作者： Afzal, F. Akondi, C.s. Albrecht, M. Amaryan, M. Arrigo, s. Arroyave, V. Asaturyan, A. Austregesilo, A. Baldwin, Z. Barbosa, F. Barlow, J. Barriga, E. Barsotti, R. Barton, D. Baturin, V. Berdnikov, V.V. Black, t. Boeglin, W. Boer, M. Briscoe, W.J. Britton, t. Cao, s. Chudakov, E. Chung, G. Cole, P.L. Cortes, O. Crede, V. Dalton, M.M. Darulis, D. Deur, A. Dobbs, s. Dolgolenko, A. Dugger, M. Dzhygadlo, R. Ebersole, D. Edo, M. Egiyan, H. Erbora, t. Eugenio, P. Fabrizi, A. Fanelli, C. Fang, s. Fitches, J. Foda, A.M. Furletov, s. Gan, L. Gao, H. Gardner, A. Gasparian, A. Glazier, D.i. Gleason, C. Goryachev, V.s. Grube, B. Guo, J. Guo, L. Hernandez, J. Hernandez, K. Hoffman, N.D. Hornidge, D. Hou, G. Hurck, P. Hurley, A. imoehl, W. ireland, D.G. ito, M.M. Jaegle, i. Jarvis, N.s. Jeske, t. Jing, M. Jones, R.t. Kakoyan, V. Kalicy, G. Khachatryan, V. Kourkoumelis, C. LaDuke, A. Larin, i. Lawrence, D. Lersch, D.i. Li, H. Liu, B. Livingston, K. Lolos, G.J. Lorenti, L. Lyubovitskij, V. Ma, R. Mahmood, A. Marukyan, H. Matveev, V. McCaughan, M. McCracken, M. Meyer, C.A. Miskimen, R. Mitchell, R.E. Mizutani, K. Moran, P. Neelamana, V. Ng, L. Nissen, E. Orešić, s. Ostrovidov, A.i. Papandreou, Z. Paudel, C. Pedroni, R. Pentchev, L. Peters, K.J. Prather, E. Veetil, L. Puthiya Rakshit, s. Reinhold, J. Remington, A. Ritchie, B.G. Ritman, J. Rodriguez, G. Romanov, D. saldana, K. salgado, C. schadmand, s. schertz, A.M. scheuer, K. schick, A. schmidt, A. schumacher, R.A. schwiening, J. scott, M. septian, N. sharp, P. shen, X. shepherd, M.R. sikes, J. smith, A. smith, E.s. sober, D.i. somov, A. somov, s. stevens, J.R. strakovsky, i.i. sumner, B. suresh, K. tarasov, V.V. taylor, s. teymurazyan, A. thiel, A. Viducic, t. Whitlatch, t. Wickramaarachchi, N. Wunderlich, Y. Yu, B. Zarling, J. Zhang, Z. Zhou, X. Zihlmann, B. Polytechnic Sciences and Mathematics School of Applied Sciences and Arts Arizona State University TempeAZ85287 United States Department of Physics National and Kapodistrian University of Athens Athens15771 Greece Ruhr-Universität-Bochum Institut für Experimentalphysik BochumD-44801 Germany Helmholtz-Institut für Strahlen- und Kernphysik Universität Bonn BonnD-53115 Germany Department of Physics Carnegie Mellon University PittsburghPA15213 United States Department of Physics The Catholic University of America WashingtonDC20064 United States Department of Physics University of Connecticut StorrsCT06269 United States Department of Physics Duke University DurhamNC27708 United States Department of Physics Florida International University MiamiFL33199 United States Department of Physics Florida State University TallahasseeFL32306 United States Department of Physics The George Washington University WashingtonDC20052 United States School of Physics and Astronomy University of Glasgow GlasgowG12 8QQ United Kingdom GSI Helmholtzzentrum für Schwerionenforschung GmbH DarmstadtD-64291 Germany Institute of High Energy Physics Beijing100049 China Department of Physics Indiana University BloomingtonIN47405 United States National Research Centre Kurchatov Institute Moscow123182 Russia Department of Physics Lamar University BeaumontTX77710 United States Department of Physics University of Massachusetts AmherstMA01003 United States National Research Nuclear University Moscow Engineering Physics Institute Moscow115409 Russia Department of Physics Mount Allison University SackvilleNBE4L 1E6 Canada Department of Physics Norfolk State University NorfolkVA23504 United States Department of Physics North Carolina A&T State University GreensboroNC27411 United States Department of Physics and Physical Oceanography University of North Carolina at Wilmington WilmingtonNC28403 United States Department of Physics Old Dominion University Norf

We measure for the first time the differential photoproduction cross section dσ/dt of the a2(1320) meson at an average photon beam energy of 8.5 GeV, using data with an integrated luminosity of 104 pb−1 collected by the GlueX experiment. We fully reconstruct the γp → ηπ0p reaction and perform a partial-wave analysis in the a2(1320) mass region with amplitudes that incorporate the linear polarization of the beam. this allows us to separate for the first time the contributions of natural- and unnatural-parity exchanges. these measurements provide novel information about the photoproduction mechanism, which is critical for the search for spin-exotic states. Copyright © 2025, the Authors. All rights reserved.

关键词： Polarization

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