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Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Correlations

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Physical Review Letters 2021年第14期126卷 141301-141301页

作者： C. To E. Krause E. Rozo H. Wu D. Gruen R. H. Wechsler T. F. Eifler E. S. Rykoff M. Costanzi M. R. Becker G. M. Bernstein J. Blazek S. Bocquet S. L. Bridle R. Cawthon A. Choi M. Crocce C. Davis J. DeRose A. Drlica-Wagner J. Elvin-Poole X. Fang A. Farahi O. Friedrich M. Gatti E. Gaztanaga T. Giannantonio W. G. Hartley B. Hoyle M. Jarvis N. MacCrann T. McClintock V. Miranda M. E. S. Pereira Y. Park A. Porredon J. Prat M. M. Rau A. J. Ross S. Samuroff C. Sánchez I. Sevilla-Noarbe E. Sheldon M. A. Troxel T. N. Varga P. Vielzeuf Y. Zhang J. Zuntz T. M. C. Abbott M. Aguena A. Amon J. Annis S. Avila E. Bertin S. Bhargava D. Brooks D. L. Burke A. Carnero Rosell M. Carrasco Kind J. Carretero C. Chang C. Conselice L. N. da Costa T. M. Davis S. Desai H. T. Diehl J. P. Dietrich S. Everett A. E. Evrard I. Ferrero B. Flaugher P. Fosalba J. Frieman J. García-Bellido R. A. Gruendl G. Gutierrez S. R. Hinton D. L. Hollowood K. Honscheid D. Huterer D. J. James T. Jeltema R. Kron K. Kuehn N. Kuropatkin M. Lima M. A. G. Maia J. L. Marshall F. Menanteau R. Miquel R. Morgan J. Muir J. Myles A. Palmese F. Paz-Chinchón A. A. Plazas A. K. Romer A. Roodman E. Sanchez B. Santiago V. Scarpine S. Serrano M. Smith E. Suchyta M. E. C. Swanson G. Tarle D. Thomas D. L. Tucker J. Weller W. Wester R. D. Wilkinson Department of Physics Stanford University 382 Via Pueblo Mall Stanford California 94305 USA Kavli Institute for Particle Astrophysics & Cosmology P. O. Box 2450 Stanford University Stanford California 94305 USA SLAC National Accelerator Laboratory Menlo Park California 94025 USA Department of Astronomy/Steward Observatory University of Arizona 933 North Cherry Avenue Tucson Arizona 85721-0065 USA Department of Physics University of Arizona Tucson Arizona 85721 USA Center for Cosmology and Astro-Particle Physics The Ohio State University Columbus Ohio 43210 USA Department of Physics Boise State University Boise Idaho 83725 USA INAF-Osservatorio Astronomico di Trieste via G. B. Tiepolo 11 I-34143 Trieste Italy Institute for Fundamental Physics of the Universe Via Beirut 2 34014 Trieste Italy Argonne National Laboratory 9700 South Cass Avenue Lemont Illinois 60439 USA Department of Physics and Astronomy University of Pennsylvania Philadelphia Pennsylvania 19104 USA Institute of Physics Laboratory of Astrophysics École Polytechnique Fédérale de Lausanne (EPFL) Observatoire de Sauverny 1290 Versoix Switzerland Faculty of Physics Ludwig-Maximilians-Universität Scheinerstr. 1 81679 Munich Germany Jodrell Bank Center for Astrophysics School of Physics and Astronomy University of Manchester Oxford Road Manchester M13 9PL United Kingdom Physics Department 2320 Chamberlin Hall University of Wisconsin-Madison 1150 University Avenue Madison Wisconsin 53706-1390 Institut d’Estudis Espacials de Catalunya (IEEC) 08034 Barcelona Spain Institute of Space Sciences (ICE CSIC) Campus UAB Carrer de Can Magrans s/n 08193 Barcelona Spain Department of Astronomy University of California Berkeley 501 Campbell Hall Berkeley California 94720 USA Santa Cruz Institute for Particle Physics Santa Cruz California 95064 USA Department of Astronomy and Astrophysics University of Chicago Chicago Illinois 60637 USA Fermi National Accelerator Laboratory P. O. Box 500

We present the first joint analysis of cluster abundances and auto or cross-correlations of three cosmic tracer fields: galaxy density, weak gravitational lensing shear, and cluster density split by optical richness. From a joint analysis (4×2pt+N) of cluster abundances, three cluster cross-correlations, and the auto correlations of the galaxy density measured from the first year data of the Dark Energy Survey, we obtain Ωm=0.305−0.038+0.055 and σ8=0.783−0.054+0.064. This result is consistent with constraints from the DES-Y1 galaxy clustering and weak lensing two-point correlation functions for the flat νΛCDM model. Consequently, we combine cluster abundances and all two-point correlations from across all three cosmic tracer fields (6×2pt+N) and find improved constraints on cosmological parameters as well as on the cluster observable-mass scaling relation. This analysis is an important advance in both optical cluster cosmology and multiprobe analyses of upcoming wide imaging surveys.

关键词： Cosmological parameters Cosmology Dark energy Dark matter

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Search for multi-messenger signals in NOvA coincident with LIGO/Virgo detections

arXiv

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arXiv 2020年

作者： Acero, M.A. Adamson, P. Aliaga, L. Alion, T. Allakhverdian, V. Anfimov, N. Antoshkin, A. Asquith, L. Aurisano, A. Back, A. Backhouse, C. Baird, M. Balashov, N. Baldi, P. Bambah, B.A. Bashar, S. Bays, K. Bending, S. Bernstein, R. Bhatnagar, V. Bhuyan, B. Bian, J. Blair, J. Booth, A.C. Bour, P. Bromberg, C. Buchanan, N. Butkevich, A. Calvez, S. Carroll, T.J. Catano-Mur, E. Childress, S. Choudhary, B.C. Coan, T.E. Colo, M. Corwin, L. Cremonesi, L. Davies, G.S. Derwent, P.F. Dharmapalan, R. Ding, P. Djurcic, Z. Doyle, D. Dukes, E.C. Dung, P. Duyang, H. Edayath, S. Ehrlich, R. Feldman, G.J. Filip, P. Flanagan, W. Frank, M.J. Gallagher, H.R. Gandrajula, R. Gao, F. Germani, S. Giri, A. Gomes, R.A. Goodman, M.C. Grichine, V. Groh, M. Group, R. Guo, B. Habig, A. Hakl, F. Hartnell, J. Hatcher, R. Heller, K. Hewes, J. Himmel, A. Holin, A. Huang, J. Hylen, J. Jediny, F. Johnson, C. Judah, M. Kakorin, I. Kalra, D. Kaplan, D.M. Keloth, R. Klimov, O. Koerner, L.W. Kolupaeva, L. Kotelnikov, S. Kullenberg, Ch. Kumar, A. Kuruppu, C.D. Kus, V. Lackey, T. Lang, K. Li, L. Lin, S. Lokajicek, M. Luchuk, S. Magill, S. Mann, W.A. Marshak, M.L. Martinez-Casales, M. Matveev, V. Mayes, B. Méndez, D.P. Messier, M.D. Meyer, H. Miao, T. Miller, W.H. Mishra, S.R. Mislivec, A. Mohanta, R. Moren, A. Mualem, L. Muether, M. Mufson, S. Mulder, K. Murphy, R. Musser, J. Naples, D. Nayak, N. Nelson, J.K. Nichol, R. Niner, E. Norman, A. Norrick, A. Nosek, T. Olshevskiy, A. Olson, T. Paley, J. Patterson, R.B. Pawloski, G. Petrova, O. Petti, R. Plunkett, R.K. Rafique, A. Psihas, F. Raj, V. Rebel, B. Rojas, P. Ryabov, V. Samoylov, O. Sanchez, M.C. Falero, S. Sánchez Shanahan, P. Sheshukov, A. Singh, P. Singh, V. Smith, E. Smolik, J. Snopok, P. Solomey, N. Sousa, A. Soustruznik, K. Strait, Matthew Suter, L. Sutton, A. Talaga, R.L. Oregui, B. Tapia Tas, P. Thayyullathil, R.B. Thomas, J. Tiras, E. Torbunov, D. Tripathi, J. Torun, Y. Argonne National Laboratory ArgonneIL60439 United States Universidad del Atlantico Carrera 30 No. 8-49 Puerto Colombia Atlantico Colombia Department of Physics Institute of Science Banaras Hindu University Varanasi221 005 India California Institute of Technology PasadenaCA91125 United States Charles University Faculty of Mathematics and Physics Institute of Particle and Nuclear Physics Prague Czech Republic Department of Physics University of Cincinnati CincinnatiOH45221 United States Department of Physics Cochin University of Science and Technology Kochi682 022 India Department of Physics Colorado State University Fort CollinsCO80523-1875 United States Czech Technical University in Prague Brehova 7 Prague 1115 19 Czech Republic University of Dallas 1845 E Northgate Drive IrvingTX75062 United States Department of Physics and Astrophysics University of Delhi Delhi110007 India Fermi National Accelerator Laboratory BataviaIL60510 United States Instituto de Física Universidade Federal de Goiás Goiânia Goiás74690-900 Brazil Department of Physics IIT Guwahati Guwahati781 039 India Department of Physics Harvard University CambridgeMA02138 United States Department of Physics University of Houston HoustonTX77204 United States School of Physics University of Hyderabad Hyderabad500 046 India Department of Physics IIT Hyderabad Hyderabad502 205 India Department of Physics Illinois Institute of Technology ChicagoIL60616 United States Indiana University BloomingtonIN47405 United States Institute of Computer Science Czech Academy of Sciences Prague182 07 Czech Republic Inst. for Nuclear Research of Russia Academy of Sciences 7a 60th October Anniversary prospect Moscow117312 Russia Institute of Physics Czech Academy of Sciences Prague182 21 Czech Republic Department of Physics and Astronomy Iowa State University AmesIA50011 United States Department of Physics and Astronomy University of California at Irvine IrvineCA9269

Using the NOvA neutrino detectors, a broad search has been performed for any signal coincident with 28 gravitational wave events detected by the LIGO/Virgo Collaboration between September 2015 and July 2019. For all of these events, NOvA is sensitive to possible arrival of neutrinos and cosmic rays of GeV and higher energies. For five (seven) events in the NOvA Far (Near) Detector, timely public alerts from the LIGO/Virgo Collaboration allowed recording of MeV-scale events. No signal candidates were found. Copyright © 2020, The Authors. All rights reserved.

关键词： Germanium alloys

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Sensitivity of the KM3NeT/ORCA detector to the neutrino mass ordering and beyond 37

Sensitivity of the KM3NeT/ORCA detector to the neutrino mass...

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37th International Cosmic Ray Conference, ICRC 2021

作者： Perrin-Terrin, Mathieu Ageron, M. Aiello, S. Albert, A. Alshamsi, M. Alves Garre, S. Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Androulakis, G. Anghinolfi, M. Anguita, M. Anton, G. Ardid, M. Ardid, S. Assal, W. Aublin, J. Bagatelas, C. Baret, B. Basegmez du Pree, S. Bendahman, M. Benfenati, F. Berbee, E. van den Berg, A.M. Bertin, V. Beurthey, S. van Beveren, V. Biagi, S. Billault, M. Bissinger, M. Boettcher, M. Bou Cabo, M. Boumaaza, J. Bouta, M. Boutonnet, C. Bouvet, G. Bouwhuis, M. Bozza, C. Brânzaş, H. Bruijn, R. Brunner, J. Bruno, R. Buis, E. Buompane, R. Busto, J. Caiffi, B. Caillat, L. Calvo, D. Campion, S. Capone, A. Carduner, H. Carretero, V. Castaldi, P. Celli, S. Cereseto, R. Chabab, M. Champion, C. Chau, N. Chen, A. Cherubini, S. Chiarella, V. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.B. Coleiro, A. Colomer Molla, M. Colonges, S. Coniglione, R. Cosquer, A. Coyle, P. Cresta, M. Creusot, A. Cruz, A. Cuttone, G. D’Amico, A. Dallier, R. De Martino, B. De Palma, M. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Dörr, M. Drouhin, D. Eberl, T. Eddyamoui, A. van Eeden, T. van Eijk, D. El Bojaddaini, I. Eljarrari, H. Elsaesser, D. Enzenhöfer, A. Espinosa, V. Fermani, P. Ferrara, G. Filipović, M.D. Filippini, F. Fransen, J. Fusco, L.A. Gajanana, D. Gal, T. García Méndez, J. Garcia Soto, A. Garçon, E. Garufi, F. Gatius, C. Geißelbrecht, N. Gialanella, L. Giorgio, E. Gozzini, S.R. Gracia, R. Graf, K. Grella, G. Guderian, D. Guidi, C. Guillon, B. Gutiérrez, M. Haefner, J. Hallmann, S. Hamdaoui, H. van Haren, H. Heijboer, A. Hekalo, A. Hennig, L. Henry, S. Hernández-Rey, J.J. Hofestädt, J. Huang, F. Idrissi Ibnsalih, W. Ilioni, A. Illuminati, G. James, C.W. Janezashvili, D. Jansweijer, P. de Jong, M. de Jong, P. Jung, B.J. Kadler, M. Kalaczyński, P. Kalekin, O. Katz, U.F. Kayzel, F. Keller, P. Khan Chowdhury, N.R. Kistauri, G. van der Knaap, F. Aix Marseille Univ CNRS IN2P3 CPPM Marseille France INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 StrasbourgF-67000 France Université de Paris CNRS Astroparticule et Cosmologie ParisF-75013 France c/Catedrático José Beltrán 2 Paterna Valencia46980 Spain INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini" Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú08800 Spain NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens15310 Greece INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy University of Granada Dept. of Computer Architecture and Technology CITIC Granada18071 Spain Friedrich-Alexander-Universität Erlangen-Nürnberg Erlangen Centre for Astroparticle Physics Erwin-Rommel-Straße 1 Erlangen91058 Germany Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia46730 Spain Nikhef National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 RabatR.P. 10000 Morocco INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna40127 Italy Dipartimento di Fisica INFN Sezione di Padova Università di Padova PadovaI-35131 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna40127 Italy KVI-CART University of Groningen Groningen Netherlands INFN Laboratori Nazionali del Sud Via S. Sofia 62 Catania95123 Italy North-West University Centre for

The KM3NeT collaboration is currently building a new generation of large-volume water-Cherenkov neutrino telescopes in the Mediterranean sea. Two detectors, ARCA and ORCA, are under construction. They feature different neutrino energy thresholds: TeV range for ARCA and GeV range for ORCA. The main research goal of ORCA is the measurement of the neutrino mass ordering and atmospheric neutrino oscillation parameters, while the detector is also sensitive to a wide variety of other physics topics, including non-standard interactions, sterile neutrinos and Earth tomography, as well as low-energy neutrino astronomy. This contribution will present an overview of the updated ORCA sensitivity projection to its main science objectives, including - but not limited to - the measurement of the neutrino mass ordering and oscillation parameters Future perspectives for ORCA to serve as far detector for a long baseline neutrino experiment with a neutrino beam from the U70 accelerator complex at Protvino in Russia will also be discussed. © Copyright owned by the author(s).

关键词： Parameter estimation

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Energy management of a single grid-connected home microgrid for determining optimal supply/demand bids 5

Energy management of a single grid-connected home microgrid ...

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5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018

作者： Fouladfar, Mohammad Hossein Sumaiti, Ameena Al Fenik, Mohammed Seddik Marzband, Mousa Busawon, Krishna Pouresmaeil, Edris Science and Research of Bushehr Branch Islamic Azad University Bushehr Iran Electrical and Computer Engineering Khalifa University of Science and Technology Masdar Institute Abu Dhabi United Arab Emirates Faculty of Engineering and Environment Dep. of Maths Physics and Electrical Engineering Northumbria University Newcastle Newcastle United Kingdom Department of Electrical Engineering and Automation Aalto University Espoo Finland

ISBN: (纸本)9781538655177

As a result of socio-economic growth and paying attention to environmental aspects requirement in order to improve the reliability and achieve higher service, better power quality and increasing energy efficiency are taken more into consideration. Thus, home micro-grids (H-MG) with non-dispatchable Source and interruptible loads can be used as the primary tool to achieve the stated objectives. In order to implement the energy management system (EMS) an algorithm is presented in this paper. EMS which is based on harmony search method for multi-purpose extrapolation of a sample H-MG with renewable energy sources (RES) as well as compound resources of backup power such as micro-turbine and battery for levelling the mismatch of power or for additional power saving in case of necessary. In this paper, the harmony search (HS) for an algorithm to minimize the costs associated with sources, RLD and reduce the price of the electricity (i.e. market clearing price) with respect to the proposed price of production and supply, the price of non-interruptible loads, the optimal production of each of the existing resources in the micro grid is determined. For reliability enhancement the uncertainty is considered in using wind turbines (WT), photovoltaic (PV), load demand and market clearing price in the algorithm. The recommended algorithm system is tested on a H-MG sample. These results show the capability of the HS approach in supplying the load requested. © 2018 IEEE.

关键词： Energy management systems

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First observation of the decay B0→D0D¯K+0π−

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Physical Review D 2020年第5期102卷 051102(R)-051102(R)页

作者： R. Aaij C. Abellán Beteta T. Ackernley B. Adeva M. Adinolfi H. Afsharnia C. A. Aidala S. Aiola Z. Ajaltouni S. Akar J. Albrecht F. Alessio M. Alexander A. Alfonso Albero Z. Aliouche G. Alkhazov P. Alvarez Cartelle A. A. Alves, Jr. S. Amato Y. Amhis L. An L. Anderlini G. Andreassi A. Andreianov M. Andreotti F. Archilli A. Artamonov M. Artuso K. Arzymatov E. Aslanides M. Atzeni B. Audurier S. Bachmann M. Bachmayer J. J. Back S. Baker P. Baladron Rodriguez V. Balagura W. Baldini J. Baptista Leite R. J. Barlow S. Barsuk W. Barter M. Bartolini F. Baryshnikov J. M. Basels G. Bassi V. Batozskaya B. Batsukh A. Battig A. Bay M. Becker F. Bedeschi I. Bediaga A. Beiter V. Belavin S. Belin V. Bellee K. Belous I. Belyaev G. Bencivenni E. Ben-Haim A. Berezhnoy R. Bernet D. Berninghoff H. C. Bernstein C. Bertella E. Bertholet A. Bertolin C. Betancourt F. Betti M. O. Bettler Ia. Bezshyiko S. Bhasin J. Bhom L. Bian M. S. Bieker S. Bifani P. Billoir M. Birch F. C. R. Bishop A. Bizzeti M. Bjørn M. P. Blago T. Blake F. Blanc S. Blusk D. Bobulska V. Bocci J. A. Boelhauve O. Boente Garcia T. Boettcher A. Boldyrev A. Bondar N. Bondar S. Borghi M. Borisyak M. Borsato J. T. Borsuk S. A. Bouchiba T. J. V. Bowcock A. Boyer C. Bozzi M. J. Bradley S. Braun A. Brea Rodriguez M. Brodski J. Brodzicka A. Brossa Gonzalo D. Brundu A. Buonaura C. Burr A. Bursche A. Butkevich J. S. Butter J. Buytaert W. Byczynski S. Cadeddu H. Cai R. Calabrese L. Calero Diaz S. Cali R. Calladine M. Calvi M. Calvo Gomez P. Camargo Magalhaes A. Camboni P. Campana D. H. Campora Perez A. F. Campoverde Quezada S. Capelli L. Capriotti A. Carbone G. Carboni R. Cardinale A. Cardini I. Carli P. Carniti K. Carvalho Akiba A. Casais Vidal G. Casse M. Cattaneo G. Cavallero S. Celani R. Cenci J. Cerasoli A. J. Chadwick M. G. Chapman M. Charles Ph. Charpentier G. Chatzikonstantinidis M. Chefdeville C. Chen S. Chen A. Chernov S.-G. Chitic V. Chobanova S. Cholak M. Chrzaszcz A. Chubykin V. Chulikov P. Ciambrone M. F. Cicala X. Cid Vidal G. Ciezarek F. Cindolo P. E. L. Clarke M. Clem Nikhef National Institute for Subatomic Physics Amsterdam Netherlands Physik-Institut Universität Zürich Zürich Switzerland Oliver Lodge Laboratory University of Liverpool Liverpool United Kingdom Instituto Galego de Física de Altas Enerxías (IGFAE) Universidade de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Université Clermont Auvergne CNRS/IN2P3 LPC Clermont-Ferrand France University of Michigan Ann Arbor Michigan USA (associated with Syracuse University Syracuse New York USA) INFN Sezione di Milano Milano Italy University of Cincinnati Cincinnati Ohio USA Fakultät Physik Technische Universität Dortmund Dortmund Germany European Organization for Nuclear Research (CERN) Geneva Switzerland School of Physics and Astronomy University of Glasgow Glasgow United Kingdom ICCUB Universitat de Barcelona Barcelona Spain Department of Physics and Astronomy University of Manchester Manchester United Kingdom Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI) Gatchina Russia Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Université Paris-Saclay CNRS/IN2P3 IJCLab Orsay France INFN Sezione di Firenze Firenze Italy Institute of Physics Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland INFN Sezione di Ferrara Ferrara Italy Physikalisches Institut Ruprecht-Karls-Universität Heidelberg Heidelberg Germany Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI) Protvino Russia Protvino Russia Syracuse University Syracuse New York USA Yandex School of Data Analysis Moscow Russia Aix Marseille Université CNRS/IN2P3 CPPM Marseille France Department of Physics University of Warwick Coventry United Kingdom Imperial College London London United Kingdom Centro Brasileiro de Pesquisas Físicas (CBPF) Rio de Janeiro Brazil INFN Sezione di Genova Genova Italy I. Physikalisches Institut RWTH Aachen Univ

The first observation of the decay B0→D0D¯0K+π− is reported using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb−1 collected by the LHCb experiment in 2011, 2012 and 2016. The measurement is performed in the full kinematically allowed range of the decay outside of the D*− region. The ratio of the branching fraction relative to that of the control channel B0→D*−D0K+ is measured to be R=(14.2±1.1±1.0)%, where the first uncertainty is statistical and the second is systematic. The absolute branching fraction of B0→D0D¯0K+π− decays is thus determined to be B(B0→D0D¯0K+π−)=(3.50±0.27±0.26±0.30)×10−4, where the third uncertainty is due to the branching fraction of the control channel. This decay mode is expected to provide insights to spectroscopy and the charm-loop contributions in rare semileptonic decays.

关键词： Branching fraction Hadronic decays Bottom mesons Hadron colliders

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Pulmonary X-ray images. A fractal analysis

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AIP Conference Proceedings 2020年第1期2218卷

作者： Mihai-Virgil Nichita Maria-Alexandra Paun Vladimir-Alexandru Paun Viorel-Puiu Paun 1Doctoral School Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania 2Department of Engineering Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland 3Computer Science and Systems Engineering Department Ecole Nationale Superiore de Techniques Avancées (ENSTA) ParisTech Paris France 4Physics Department Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania

A method of analyzing human pulmonary X-rays using a few software procedures to process the images will be presented. Photographs of the lungs were investigated and images of the arteries were illustrated, successfully extracting the shadows due to the ribs and the lung itself through an advanced algorithm. This paper presents a solution for processing and interpretation of pulmonary X-ray images in order to deploy a better fractal analysis, to find out the fractal dimension and lacunarity for arteries network.

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Atmospheric neutrinos with the first KM3NeT/ORCA data and prospects for measuring the atmospheric neutrino flux 37

Atmospheric neutrinos with the first KM3NeT/ORCA data and pr...

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37th International Cosmic Ray Conference, ICRC 2021

作者： Stavropoulos, Dimitris Pestel, Valentin Aly, Zineb Tzamariudaki, Ekaterini Markou, Christos Ageron, M. Aiello, S. Albert, A. Alshamsi, M. Alves Garre, S. Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Androulakis, G. Anghinolfi, M. Anguita, M. Anton, G. Ardid, M. Ardid, S. Assal, W. Aublin, J. Bagatelas, C. Baret, B. Basegmez du Pree, S. Bendahman, M. Benfenati, F. Berbee, E. van den Berg, A.M. Bertin, V. Beurthey, S. van Beveren, V. Biagi, S. Billault, M. Bissinger, M. Boettcher, M. Bou Cabo, M. Boumaaza, J. Bouta, M. Boutonnet, C. Bouvet, G. Bouwhuis, M. Bozza, C. Brânzaş, H. Bruijn, R. Brunner, J. Bruno, R. Buis, E. Buompane, R. Busto, J. Caiffi, B. Caillat, L. Calvo, D. Campion, S. Capone, A. Carduner, H. Carretero, V. Castaldi, P. Celli, S. Cereseto, R. Chabab, M. Champion, C. Chau, N. Chen, A. Cherubini, S. Chiarella, V. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.B. Coleiro, A. Colomer Molla, M. Colonges, S. Coniglione, R. Cosquer, A. Coyle, P. Cresta, M. Creusot, A. Cruz, A. Cuttone, G. D’Amico, A. Dallier, R. De Martino, B. De Palma, M. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Dörr, M. Drouhin, D. Eberl, T. Eddyamoui, A. van Eeden, T. van Eijk, D. El Bojaddaini, I. Eljarrari, H. Elsaesser, D. Enzenhöfer, A. Espinosa, V. Fermani, P. Ferrara, G. Filipović, M.D. Filippini, F. Fransen, J. Fusco, L.A. Gajanana, D. Gal, T. García Méndez, J. Garcia Soto, A. Garçon, E. Garufi, F. Gatius, C. Geißelbrecht, N. Gialanella, L. Giorgio, E. Gozzini, S.R. Gracia, R. Graf, K. Grella, G. Guderian, D. Guidi, C. Guillon, B. Gutiérrez, M. Haefner, J. Hallmann, S. Hamdaoui, H. van Haren, H. Heijboer, A. Hekalo, A. Hennig, L. Henry, S. Hernández-Rey, J.J. Hofestädt, J. Huang, F. Idrissi Ibnsalih, W. Ilioni, A. Illuminati, G. James, C.W. Janezashvili, D. Jansweijer, P. de Jong, M. de Jong, P. Jung, B.J. Kadler, M. Kalaczyński, P. Kalekin, O. Katz, U.F. Kayzel, F. Keller, P. NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens15310 Greece National Technical University of Athens School of Applied Mathematical and Physical Sciences Zografou Campus 9 Iroon Polytechniou str Zografou Athens15780 Greece Nikhef National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands Aix Marseille Univ CNRS IN2P3 CPPM Marseille France INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 StrasbourgF-67000 France Université de Paris CNRS Astroparticule et Cosmologie ParisF-75013 France IFIC - Instituto de Física Corpuscular CSIC - Universitat de València c/Catedrático José Beltrán 2 Paterna Valencia46980 Spain INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini" Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú08800 Spain INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy University of Granada Dept. of Computer Architecture and Technology CITIC Granada18071 Spain Friedrich-Alexander-Universität Erlangen-Nürnberg Erlangen Centre for Astroparticle Physics Erwin-Rommel-Straße 1 Erlangen91058 Germany Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/Paranimf 1 Gandia46730 Spain University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 RabatR.P. 10000 Morocco INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna40127 Italy KVI-CART Universi

KM3NeT is a research infrastructure aiming to study astrophysical sources as well as to perform particle physics studies, through the detection of neutrinos in the abyssal depths of the Mediterranean Sea. The KM3NeT/ORCA detector (Oscillation Research with Cosmics in the Abyss), currently under construction, is deployed at 2450 m depth near Toulon, France. It consists of vertical structures (Detection Units) equipped with spherical Digital Optical Modules, each hosting a set of photomultiplier tubes capable of detecting neutrino events from the Cherenkov radiation induced by the daughter particles. In this contribution, an analysis of data collected with the first 6 Detection Units (ORCA6) leading to a sample of atmospheric neutrino events is described. The angular resolution and the energy reconstruction performance for this event selection, which is a key factor for measuring the atmospheric neutrino flux are presented. © Copyright owned by the author(s) under the terms of the Creative Commons.

关键词： Photomultipliers

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Isospin diffusion measurement from the direct detection of a quasi-projectile remnant

arXiv

引用

arXiv 2021年

作者： Camaiani, Alberto Casini, G. Piantelli, S. Ono, A. Bonnet, E. Alba, R. Barlini, S. Borderie, B. Bougault, R. Ciampi, C. Chbihi, A. Cicerchia, M. Cinausero, M. Dueñas, J.A. Dell’Aquila, D. Fable, Q. Fabris, D. Frosin, C. Frankland, J.D. Gramegna, F. Gruyer, D. Hahn, K.I. Henri, M. Hong, B. Kim, S. Kordyasz, A. Kweon, M.J. Lee, H.J. Lemarié, J. LeNeindre, N. Lombardo, I. Lopez, O. Marchi, T. Nam, S.H. Ottanelli, P. Parlog, M. Pasquali, G. Poggi, G. Quicray, J. Stefanini, A.A. Upadhyaya, S. Valdré, S. Vient, E. Dipartimento di Fisica Università di Firenze Italy INFN Sezione di Firenze Italy Department of Physics Tohoku University Sendai980-8578 Japan SUBATECH Université de Nantes IMT Atlantique IN2P3/CNRS 4 Rue Alfred Kastler Nantes Cedex 344307 France INFN Laboratori Nazionali del Sud Via S. Sofia 62 Catania95125 Italy Université Paris-Saclay CNRS/IN2P3 IJCLab Orsay91405 France Normandie Université ENSICAEN UNICAEN CNRS/IN2P3 LPC Caen Caen14000 France CEA/DRF - CNRS/IN2P3 Boulevard Henri Becquerel CaenF-14076 France INFN Laboratori Nazionali di Legnaro Legnaro35020 Italy Depto. de Ingeniería Eléctrica y Centro de Estudios Avanzados en Física Matemáticas y Computación Universidad de Huelva Huelva21007 Spain Dipartimento di Chimica e Farmacia Università degli Studi di Sassari Sassari Italy INFN - Laboratori Nazionali del Sud Catania Italy INFN Sezione di Padova Padova35131 Italy Department of Science Education Ewha Womans University Seoul03760 Korea Republic of Korea University Seoul02841 Korea Republic of Department of Physics Korea University Seoul02841 Korea Republic of Heavy Ion Laboratory University of Warsaw Warszawa02-093 Poland Department of Physics Inha University Incheon22212 Korea Republic of INFN Sezione di Catania Catania95123 Italy Bucharest MagureleRO-077125 Romania Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Kracow30-348 Poland

The neutron-proton equilibration process in 48Ca+40Ca at 35 MeV/nucleon bombarding energy has been experimentally estimated by means of the isospin transport ratio. Experimental data have been collected with a subset of the FAZIA telescope array, which permitted to determine Z and N of detected fragments. For the first time, the QP evaporative channel has been compared with the QP break-up one in a homogeneous and consistent way, pointing out to a comparable n-p equilibration which suggests close interaction time between projectile and target independently of the exit channel. Moreover, in the QP evaporative channel n-p equilibration has been compared with the prediction of the Antisymmetrized Molecular Dynamics (AMD) model coupled to the GEMINI statistical model as an afterburner, showing a larger probability of proton and neutron transfers in the simulation with respect to the experimental data. © 2021, CC BY.

关键词： Projectiles

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Anomalous thermal transport behavior in graphene-like carbon nitride (C3N)

arXiv

引用

arXiv 2019年

作者： Qin, Guangzhao Qin, Zhenzhen Wang, Huimin Hu, Jianjun Hu, Ming Institute of Mineral Engineering Division of Materials Science and Engineering Faculty of Georesources and Materials Engineering RWTH Aachen University Aachen52064 Germany Department of Mechanical Engineering University of South Carolina ColumbiaSC29208 United States International Laboratory for Quantum Functional Materials of Henan School of Physics and Engineering Zhengzhou University Zhengzhou450001 China RWTH Aachen University Aachen52062 Germany College of Engineering and Applied Science Nanjing University Nanjing210023 China Department of Computer Science and Engineering University of South Carolina ColumbiaSC29208 United States

The graphene's success created a new era in materials science, especially for two-dimensional (2D) materials. New classes 2D carbon-based materials beyond graphene have been intensively studied for their promising applications in nano-/opto-/spin-electronics, catalysis, sensors, clean energy, etc. Very recently, the controllable large-scale synthesis of 2D single crystalline carbon nitride (C3N) was reported, which is the first and the only crystalline, hole-free, single-layer carbon nitride. Due to the fascinating properties, monolayer C3N attracts tremendous interest for the potential applications in various fields, where thermal transport property is severely concerned for developing high performance devices in terms of advanced thermal management, which, however, remain less investigated. Here, we perform a comparative study of thermal transport between monolayer C3N and the parent graphene, by solving the phonon Boltzmann transport equation (BTE) based on first-principles calculations. The thermal conductivity (κ) of C3N shows an anomalous temperature dependence, which is totally different from that for common crystalline materials and deviates largely from the well-known κ ~ 1/T relationship. Consequently, the κ of C3N at high temperatures is larger than the expected value following the common trend of κ ~ 1/T . Moreover, the κ of C3N is found in surprise to be enlarged by applying bilateral tensile strain, despite its similar planar honeycomb structure as graphene, whose κ is reduced upon stretching. Thus, it would benefit the applications of C3N in nano- and opto-electronics in terms of efficient heat dissipation, considering the unexpectedly large κ at high working temperature or under realistic conditions where residual strain usually exists after fabrication or synthesis. The underlying mechanism is revealed by providing direct evidence for the interaction between lone-pair N-s electrons and bonding electrons from C atoms in C3N based on the analysis of o

关键词： Graphene

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TAO Conceptual Design Report: A Precision Measurement of the Reactor Antineutrino Spectrum with Sub-percent Energy Resolution

arXiv

引用

arXiv 2020年

作者： Abusleme, Angel Adam, Thomas Ahmad, Shakeel Aiello, Sebastiano Akram, Muhammad Ali, Nawab An, Fengpeng An, Guangpeng An, Qi Andronico, Giuseppe Anfimov, Nikolay Antonelli, Vito Antoshkina, Tatiana Asavapibhop, Burin de André, João Pedro Athayde Marcondes Auguste, Didier Babic, Andrej Baldini, Wander Barresi, Andrea Baussan, Eric Bellato, Marco Bergnoli, Antonio Bernieri, Enrico Biare, David Birkenfeld, Thilo Blin, Sylvie Blum, David Blyth, Simon Bolshakova, Anastasia Bongrand, Mathieu Bordereau, Clément Breton, Dominique Brigatti, Augusto Brugnera, Riccardo Budano, Antonio Buscemi, Mario Busto, Jose Butorov, Ilya Cabrera, Anatael Cai, Hao Cai, Xiao Cai, Yanke Cai, Zhiyan Cammi, Antonio Campeny, Agustin Cao, Chuanya Cao, Guofu Cao, Jun Caruso, Rossella Cerna, Cédric Chakaberia, Irakli Chang, Jinfan Chang, Yun Chen, Pingping Chen, Po-An Chen, Shaomin Chen, Shenjian Chen, Xurong Chen, Yi-Wen Chen, Yixue Chen, Yu Chen, Zhang Cheng, Jie Cheng, Yaping Chepurnov, Alexander Chiesa, Davide Chimenti, Pietro Chukanov, Artem Chuvashova, Anna Claverie, Gérard Clementi, Catia Clerbaux, Barbara Lorenzo, Selma Conforti Di Corti, Daniele Costa, Salvatore Dal Corso, Flavio de la Taille, Christophe Deng, Jiawei Deng, Zhi Deng, Ziyan Depnering, Wilfried Diaz, Marco Ding, Xuefeng Ding, Yayun Dirgantara, Bayu Dmitrievsky, Sergey Dohnal, Tadeas Donchenko, Georgy Dong, Jianmeng Dornic, Damien Doroshkevich, Evgeny Dracos, Marcos Druillole, Frédéric Du, Shuxian Dusini, Stefano Dvorak, Martin Enqvist, Timo Enzmann, Heike Fabbri, Andrea Fajt, Lukas Fan, Donghua Fan, Lei Fang, Can Fang, Jian Fatkina, Anna Fedoseev, Dmitry Fekete, Vladko Feng, Li-Cheng Feng, Qichun Ford, Richard Formozov, Andrey Fournier, Amélie Gan, Haonan Gao, Feng Garfagnini, Alberto Göttel, Alexandre Genster, Christoph Giammarchi, Marco Giaz, Agnese Giudice, Nunzio Giuliani, Franco Gonchar, Maxim Gong, Guanghua Gong, Hui Gorchakov, Oleg Gornushkin, Yuri Grassi, Marco Grewing, Christian Gromov, Maxim Gromov, Vasily Gu, Minghao Gu, Xiaofei Gu, Yu Guan, Mengyun Guardone, Nun Yerevan Physics Institute Yerevan Armenia Université Libre de Bruxelles Brussels Belgium Universidade Estadual de Londrina Londrina Brazil Pontificia Universidade Catolica do Rio de Janeiro Rio Brazil Pontificia Universidad Católica de Chile Santiago Chile Universidad Tecnica Federico Santa Maria Valparaiso Chile Beijing Institute of Spacecraft Environment Engineering Beijing China Beijing Normal University Beijing China China Institute of Atomic Energy Beijing China Institute of High Energy Physics Beijing China North China Electric Power University Beijing China School of Physics Peking University Beijing China Tsinghua University Beijing China University of Chinese Academy of Sciences Beijing China Jilin University Changchun China College of Electronic Science and Engineering National University of Defense Technology Changsha China Chongqing University Chongqing China Dongguan University of Technology Dongguan China Jinan University Guangzhou China Sun Yat-Sen University Guangzhou China Harbin Institute of Technology Harbin China University of Science and Technology of China Hefei China Radiochemistry and Nuclear Chemistry Group in University of South China Hengyang China Wuyi University Jiangmen China Shandong University Jinan China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China Nanjing University Nanjing China Guangxi University Nanning China East China University of Science and Technology Shanghai China School of Physics and Astronomy Shanghai Jiao Tong University Shanghai China Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai China Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang China Nankai University Tianjin China Wuhan University Wuhan China Xi’an Jiaotong University Xi’an China Xiamen University Xiamen China School of Physics and Microelectronics Zhengzhou University Zhengzhou China Institute of Physics National Chiao-Tung Universi

The Taishan Antineutrino Observatory (TAO, also known as JUNO-TAO) is a satellite experiment of the Jiangmen Underground Neutrino Observatory (JUNO). A ton-level liquid scintillator detector will be placed at ∼ 30 m from a core of the Taishan Nuclear Power Plant. The reactor antineutrino spectrum will be measured with sub-percent energy resolution, to provide a reference spectrum for future reactor neutrino experiments, and to provide a benchmark measurement to test nuclear databases. A spherical acrylic vessel containing 2.8 ton gadolinium-doped liquid scintillator will be viewed by 10 m2 Silicon Photomultipliers (SiPMs) of > 50% photon detection efficiency with almost full coverage. The photoelectron yield is about 4500 per MeV, an order higher than any existing large-scale liquid scintillator detectors. The detector operates at -50◦C to lower the dark noise of SiPMs to an acceptable level. The detector will measure about 2000 reactor antineutrinos per day, and is designed to be well shielded from cosmogenic backgrounds and ambient radioactivities to have a ∼ 10% background-to-signal ratio. The experiment is expected to start operation in 2022. Copyright © 2020, The Authors. All rights reserved.

关键词： Nuclear power plants

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