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Search for stealth supersymmetry in final states with two photons, jets, and low missing transverse momentum in proton-proton collisions at √s = 13 TeV

arXiv

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arXiv 2023年

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. Morton, A. 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. Mahdavikhorrami, M. Malara, A. Paredes, S. Pétré, L. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Knolle, J. Lamb.echt, L. Mestdach, G. Rendón, C. Samalan, A. Skovpen, K. Van Den bossche, N. Vermassen, b. Wezenb.ek, 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. De Oliveira, T. Menezes Moraes, A. Teles, P. Rebello Soeiro, M. Aldá Júnior, W.L. Pereira, M. Alves Gallo Filho, M. barroso Ferreira Malbouisson, H. bran Carvalho, W. Chinellato, J. Da Costa, e.M. Da Silveira, G.G. De Jesus Damiao, D. De Souza, S. Fonseca Martins, J. Herrera, C. Mora Amarilo, K. Mota 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, J. Zhang, H. Agapitos, A. ban, Y. Levin, A. Li, C. Li, Q. 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 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 Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics University of Helsinki Helsinki Finland Helsinki Institute of Physics Helsinki Finland Lappeenranta-Lahti University of Technology

The results of a search for stealth supersymmetry in final states with two photons and jets, targeting a phase space region with low missing transverse momentum (pmissT ), are reported. The study is based on a sample of proton-proton collisions at √s = 13 TeV collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb−1. As LHC results continue to constrain the parameter space of the minimal supersymmetric standard model, the low pmissT regime is increasingly valuab.e to explore. To estimate the backgrounds due to standard model processes in such events, we apply corrections derived from simulation to an estimate based on a control selection in data. The results are interpreted in the context of simplified stealth supersymmetry models with gluino and squark pair production. The ob.erved data are consistent with the standard model predictions, and gluino (squark) masses of up to 2150 (1850) GeV are excluded at the 95% confidence level. © 2023, CC bY.

关键词： Photons

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Gaia Data Release 3: Analysis of RVS spectra using the General Stellar Parametriser from spectroscopy

arXiv

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arXiv 2022年

作者： Recio-blanco, Alejandra de Laverny, Patrick Palicio, P.A. Kordopatis, G. Álvarez, M.A. Schultheis, M. Contursi, G. Zhao, H. Torralba elipe, G. Ordenovic, C. Manteiga, M. Dafonte, C. Oreshina-Slezak, I. bijaoui, A. Frémat, Y. Seabroke, G. Pailler, F. Spitoni, e. Poggio, e. Creevey, O.L. Ab.eu Aramburu, A. Accart, S. Andrae, R. bailer-Jones, C.A.L. bellas-Velidis, I. brouillet, N. brugaletta, e. burlacu, A. Carballo, R. Casamiquela, L. Chiavassa, A. Cooper, W.J. Dapergolas, A. Delchamb.e, L. Dharmawardena, T.e. Drimmel, R. edvardsson, b. Fouesneau, M. Garabato, D. García-Lario, P. García-Torres, M. Gavel, A. Gomez, A. González-Santamaría, I. Hatzidimitriou, D. Heiter, U. Jean-Antoine Piccolo, A. Kontizas, M. Korn, A.J. Lanzafame, A.C. Leb.eton, Y. Le Fustec, Y. Licata, e.L. Lindstrøm, H.e.P. Livanou, e. Lobel, A. Lorca, A. Magdaleno Romeo, A. Marocco, F. Marshall, D.J. Mary, N. Nicolas, C. Pallas-Quintela, L. Panem, C. Pichon, b. Riclet, F. Robin, C. Rybizki, J. Santoveña, R. Silvelo, A. Smart, R.L. Sarro, L.M. Sordo, R. Soubiran, C. Süveges, M. Ulla, A. Vallenari, A. Zorec, J. Utrilla, e. bakker, J. Université Côte d'Azur Observatoire de la Côte d'Azur CNRS Laboratoire Lagrange Nice France CIGUS CITIC Department of Computer Science and Information Technologies University of A Coruña Campus de Elviña s/n A Coruña15071 Spain CIGUS CITIC Department of Nautical Sciences and Marine Engineering University of A Coruña Paseo de Ronda 51 A Coruña15071 Spain Royal Observatory of Belgium 3 avenue circulaire Brussels1180 Belgium Mullard Space Science Laboratory University College London Holmbury St Mary Dorking SurreyRH5 6NT United Kingdom CNES Centre Spatial de Toulouse 18 avenue Edouard Belin Toulouse Cedex 931401 France Camino bajo del Castillo s/n Urbanizacion Villafranca del Castillo Villanueva de la Cañada Madrid28692 Spain Max Planck Institute for Astronomy Königstuhl 17 Heidelberg 69117 Germany National Observatory of Athens I. Metaxa and Vas. Pavlou Palaia Penteli Athens15236 Greece Laboratoire d'astrophysique de Bordeaux Univ. Bordeaux CNRS B18N allée Geoffroy Saint-Hilaire Pessac33615 France INAF - Osservatorio Astrofisico di Catania via S. Sofia 78 Catania95123 Italy Telespazio for CNES Centre Spatial de Toulouse 18 avenue Edouard Belin Toulouse Cedex 931401 France Dpto. de Matemática Aplicada y Ciencias de la Computación Univ. de Cantabria ETS Ingenieros de Caminos Canales y Puertos Avda. de los Castros s/n Santander39005 Spain GEPI Observatoire de Paris Université PSL CNRS 5 Place Jules Janssen Meudon92190 France Centre for Astrophysics Research University of Hertfordshire College Lane HatfieldAL10 9AB United Kingdom 10025 Italy Institut d'Astrophysique et de Géophysique Université de Liège 19c Allée du 6 Août LiègeB-4000 Belgium Theoretical Astrophysics Division of Astronomy and Space Physics Department of Physics and Astronomy Uppsala University Box 516 Uppsala751 20 Sweden Camino bajo del Castillo s/n Urbanizacion Villafranca del Castillo Villanueva de la Cañada Madrid28692 Spain Data Science and

Context. The chemo-physical parametrisation of stellar spectra is essential for understanding the nature and evolution of stars and of Galactic stellar populations. A worldwide ob.ervational effort from the ground has provided, in one century, an extremely heterogeneous collection of chemical abundances for about two million stars in total, with fragmentary sky coverage. Aims. This situation is revolutionised by the Gaia third data release (DR3), which contains the parametrisation of Radial Velocity Spectrometer (RVS) data performed by the General Stellar Parametriser-spectroscopy, GSP-Spec, module. Here we describe the parametrisation of the first 34 months of Gaia RVS ob.ervations. Methods. GSP-Spec estimates the chemo-physical parameters from combined RVS spectra of single stars, without additional inputs from astrometric, photometric, or spectro-photometric bP/RP data. The main analysis workflow described here, MatisseGauguin, is based on projection and optimisation methods and provides the stellar atmospheric parameters;the individual chemical abundances of N, Mg, Si, S, Ca, Ti, Cr, Fe i, Fe ii, Ni, Zr, Ce and Nd;the differential equivalent width of a cyanogen line;and the parameters of a diffuse interstellar band (DIb) feature. Another workflow, based on an artificial neural network (ANN) and referred to with the same acronym, provides a second set of atmospheric parameters that are useful for classification control. For both workflows, we implement a detailed quality flag chain considering different error sources. Results. With about 5.6 million stars, the Gaia DR3 GSP-Spec all-sky catalogue is the largest compilation of stellar chemo-physical parameters ever published and the first one from space data. Internal and external biases have b.en studied taking into account the implemented flags. In some cases, simple calibrations with low degree polynomials are suggested. The homogeneity and quality of the estimated parameters enab.es chemo-dynamical studies of G

关键词： Stars

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DeSI Strong Lens Foundry I: HST Ob.ervations and Modeling with GIGA-Lens

arXiv

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arXiv 2025年

作者： Huang, X. baltasar, S. Ratier-Werbin, N. Storfer, C. Sheu, W. Agarwal, S. Tamargo-Arizmendi, M. Schlegel, D.J. Aguilar, J. Ahlen, S. Aldering, G. banka, S. benZvi, S. bianchi, D. bolton, A. brooks, D. Cikota, A. Claybaugh, T. de la Macorra, A. Dey, A. Doel, P. edelstein, J. Filipp, A. Forero-Romero, J.e. Gaztañaga, e. Gontcho, S.A. Gontcho Gu, A. Gutierrez, G. Honscheid, K. Jullo, e. Juneau, S. Kehoe, R. Kirkby, D. Kisner, T. Kremin, A. Kwon, K.J. Lambert, A. Landriau, M. Lang, D. Le Guillou, L. Liu, J. Meisner, A. Miquel, R. Moustakas, J. Myers, A.D. Perlmutter, S. Pérez-Ràfols, I. Prada, F. Rossi, G. Rubin, D. Sanchez, e. Schub.ell, M. Shu, Y. Silver, e. Sprayberry, D. Suzuki, N. Tarlé, G. Weaver, b.A. Zou, H. Department of Physics & Astronomy University of San Francisco San FranciscoCA94117 United States Physics Division Lawrence Berkeley National Laboratory 1 Cyclotron Road BerkeleyCA94720 United States Department of Physics Complutense University of Madrid Madrid28040 Spain Department of Mathematics Complutense University of Madrid Madrid28040 Spain Institute for Astronomy University of Hawai’i HonoluluHI96822-1897 United States Department of Physics & Astronomy University of California Los Angeles Los AngelesCA90095 United States University of Chicago Department of Astronomy ChicagoIL60615 United States Department of Physics & Astronomy University of Pittsburgh PittsburghPA15260 United States Physics Dept. Boston University 590 Commonwealth Avenue BostonMA02215 United States Department of Electrical Engineering & Computer Sciences University of California Berkeley BerkeleyCA94720 United States Department of Physics & Astronomy University of Rochester 206 Bausch and Lomb Hall P.O. Box 270171 RochesterNY14627-0171 United States Dipartimento di Fisica "Aldo Pontremoli" Università degli Studi di Milano Via Celoria 16 MilanoI-20133 Italy NSF’s National Optical-Infrared Astronomy Research Laboratory TucsonAZ85719 United States Department of Physics & Astronomy University College London Gower Street LondonWC1E 6BT United Kingdom Gemini Observatory NSF’s NOIRLab Casilla 603 La Serena Chile Instituto de Física Universidad Nacional Autónoma de México Circuito de la Investigación Científica Ciudad Universitaria Cd. de MéxicoC. P. 04510 Mexico Space Sciences Laboratory University of California Berkeley 7 Gauss Way BerkeleyCA94720 United States Université de Montréal Physics Department 1375 Av. Thérèse-Lavoie-Roux MontréalQCH2V 0B3 Canada Ciela – Montreal Institute for Astrophysical Data Analysis and Machine Learning 1375 Av. Thérèse-Lavoie-Roux MontréalQCH2V 0B3 Canada Technical University Munich TUM School of Natural Sciences

We present the Dark energy Spectroscopic Instrument (DeSI) Strong Lens Foundry. We discovered ∼ 3500 new strong gravitational lens candidates in the DeSI Legacy Imaging Surveys using residual neural networks (ResNet). We ob.erved a sub.et (51) of our candidates using the Hubb.e Space Telescope (HST). All of them were confirmed to be strong lenses. We also briefly describe spectroscopic follow-up ob.ervations by DeSI and Keck NIReS programs. From this very rich dataset, a number of studies will be carried out, including evaluating the quality of the ResNet search candidates and lens modeling. In this paper, we present our initial effort in these directions. In particular, as a demonstration, we present the lens model for DeSI-165.4754-06.0423, with imaging data from HST, and lens and source redshifts from DeSI and Keck NIReS, respectively. In this effort, we have applied a fully forward-modeling bayesian approach (GIGA-Lens), using multiple GPUs, for the first time in both regards, to a strong lens with HST data, or any high resolution imaging. © 2025, CC bY.

关键词： Dark energy

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AtlFast3: The Next Generation of Fast Simulation in ATLAS

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Computing and Software for big science 2022年第1期6卷 1-54页

作者： Aad, G. Abbott, b. Abbott, D.C. Abud, A. Abed Abeling, K. Abhayasinghe, D.K. Abidi, S.H. Aboulhorma, A. Abramowicz, H. Ab.eu, H. Abulaiti, Y. Hoffman, A. C. Abusleme Acharya, b.S. Achkar, b. Adam, L. bourdarios, C. Adam Adamczyk, L. Adamek, L. Addepalli, S.V. Adelman, J. Adiguzel, A. Adorni, S. Adye, T. Affolder, A.A. Afik, Y. Agapopoulou, C. Agaras, M.N. Agarwala, J. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J.A. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ai, X. Aielli, G. Aizenberg, I. Akatsuka, S. Akbiyik, M. Åkesson, T.P.A. Akimov, A.V. Khoury, K. Al Alberghi, G.L. Albert, J. Albicocco, P. Verzini, M. J. Alconada Alderweireldt, S. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, b. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, b.M.M. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Camelia, e. Alunno estevez, M. Alvarez Alviggi, M.G. Coutinho, Y. Amaral Amb.er, A. Ambroz, L. Amelung, C. Amidei, D. Santos, S. P. Amor Dos Amoroso, S. Amos, K.R. Amrouche, C.S. Ananiev, V. Anastopoulos, C. Andari, N. Andeen, T. Anders, J.K. Andrean, S.Y. Andreazza, A. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Anthony, M.T. Antipov, e. Antonelli, M. Antrim, D.J.A. Anulli, F. Aoki, M. Pozo, J. A. Aparisi Aparo, M.A. bella, L. Aperio Aranzabal, N. Ferraz, V. Araujo Arcangeletti, C. Arce, A.T.H. Arena, e. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Armbruster, A.J. Armstrong, A. Arnaez, O. Arnold, H. Tame, Z. P. Arrubarrena Artoni, G. Asada, H. Asai, K. Asai, S. Asbah, N.A. Asimakopoulou, e.M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R.J. Atkinson, M. Atlay, N.b. Atmani, H. Atmasiddha, P.A. Augsten, K. Auricchio, S. Austrup, V.A. Avner, G. Avolio, G. Ayoub, M.K. Azuelos, G. babal, D. bachacou, H. bachas, K. bachiu, A. backman, F. badea, A. bagnaia, P. bahrasemani, H. bailey, A.J. bailey, V.R. baines, J.T. bakalis, C. baker, O.K. bakker, P.J. bakos, e. Gupta, D. bakshi balaji, S. balasubramanian, R. baldin, e.M. balek, P. ballabene, e. bal Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France High Energy Physics Division Argonne National Laboratory Argonne IL United States Department of Physics University of Arizona Tucson AZ United States Department of Physics University of Texas at Arlington Arlington TX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin Austin TX United States Bahcesehir University Faculty of Engineering and Natural Sciences Istanbul Turkey Istanbul Bilgi University Faculty of Engineering and Natural Sciences Istanbul Turkey Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Institut de Física d’Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Department of Physics Nanjing University Nanjing China University of Chinese Academy of Science (UCAS) Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory and University of California Berkeley CA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Facultad de Ciencias y Cen

The ATLAS experiment at the Large Hadron Collider has a broad physics programme ranging from precision measurements to direct searches for new particles and new interactions, requiring ever larger and ever more accurate datasets of simulated Monte Carlo events. Detector simulation with Geant4 is accurate but requires significant CPU resources. Over the past decade, ATLAS has developed and utilized tools that replace the most CPU-intensive component of the simulation—the calorimeter shower simulation—with faster simulation methods. Here, AtlFast3, the next generation of high-accuracy fast simulation in ATLAS, is introduced. AtlFast3 combines parameterized approaches with machine-learning techniques and is deployed to meet current and future computing challenges, and simulation needs of the ATLAS experiment. With highly accurate performance and significantly improved modelling of substructure within jets, AtlFast3 can simulate large numbers of events for a wide range of physics processes. © 2022, Springer Nature Switzerland AG.

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Partially coherent axiconic surface plasmon polariton fields

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Physical Review A 2018年第4期97卷 041801(R)-041801(R)页

作者： Yahong Chen Andreas Norrman Sergey A. Ponomarenko Ari T. Friberg Institute of Photonics University of Eastern Finland P.O. Box 111 FI-80101 Joensuu Finland College of Physics Optoelectronics and Energy Soochow University Suzhou 215006 China Max Planck Institute for the Science of Light Staudtstraße 2 D-91058 Erlangen Germany Department of Electrical and Computer Engineering Dalhousie University Halifax Nova Scotia B3J 2X4 Canada

We introduce a class of structured polychromatic surface electromagnetic fields, reminiscent of conventional optical axicon fields, through a judicious superposition of partially correlated surface plasmon polaritons. We show that such partially coherent axiconic surface plasmon polariton fields are structurally stab.e and statistically highly versatile with regard to spectral density, polarization state, energy flow, and degree of coherence. These fields can be created by plasmon coherence engineering and may prove instrumental broadly in surface physics and in various nanophotonics applications.

关键词： Optical coherence Plasmonics

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Mineral detection of neutrinos and dark matter. A whitepaper

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Physics of the Dark Universe 2023年 41卷

作者： baum, Sebastian Stengel, Patrick Abe, Natsue Acevedo, Javier F. Araujo, Gabriela R. Asahara, Yoshihiro Avignone, Frank balogh, Levente baudis, Laura boukhtouchen, Yilda bramante, Joseph b.eur, Pieter Alexander Caccianiga, Lorenzo Capozzi, Francesco Collar, Juan I. ebadi, Reza edwards, Thomas eitel, Klaus elykov, Alexey ewing, Rodney C. Freese, Katherine Fung, Audrey Galelli, Claudio Glasmacher, Ulrich A. Gleason, Arianna Hasebe, Noriko Hirose, Shigenobu Horiuchi, Shunsaku Hoshino, Yasushi Huber, Patrick Ido, Yuki Igami, Yohei Ishikawa, Norito Itow, Yoshitaka Kamiyama, Takashi Kato, Takenori Kavanagh, bradley J. Kawamura, Yoji Kazama, Shingo Kenney, Christopher J. Kilminster, ben Kouketsu, Yui Kozaka, Yukiko Kurinsky, Noah A. Leybourne, Matthew Lucas, Thalles McDonough, William F. Marshall, Mason C. Mateos, Jose Maria Mathur, Anubhav Michibayashi, Katsuyoshi Mkhonto, Sharlotte Murase, Kohta Naka, Tatsuhiro Oguni, Kenji Rajendran, Surjeet Sakane, Hitoshi Sala, Paola Scholberg, Kate Semenec, Ingrida Shiraishi, Takuya Spitz, Joshua Sun, Kai Suzuki, Katsuhiko Tanin, erwin H. Vincent, Aaron Vladimirov, Nikita Walsworth, Ronald L. Watanabe, Hiroko Stanford Institute for Theoretical Physics Department of Physics Stanford University Stanford 94305 CA United States Istituto Nazionale di Fisica Nucleare Sezione di Ferrara via Giuseppe Saragat 1 Ferrara I-44122 Italy Mantle Drilling Promotion Office Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Kanagawa Yokohama 236-0001 Japan SLAC National Accelerator Laboratory Stanford University 2575 Sand Hill Road Menlo Park 94025 CA United States Department of Physics University of Zurich Winterthurerstrasse 190 Zurich CH-8057 Switzerland Department of Earth and Environmental Sciences Graduate School of Environmental Studies Nagoya University Furo-cho Chikusa-ku Nagoya 464-8601 Japan Department of Physics and Astronomy University of South Carolina Columbia 29208 SC United States Mechanical and Materials Engineering Queen's University 130 Stuart Street Kingston K7L 2V9 ON Canada Department of Physics Engineering Physics and Astronomy Queen's University 64 Bader Lane KingstonOntario K7L 2S8 Canada Perimeter Institute for Theoretical Physics Waterloo N2J 2W9 ON Canada Istituto Nazionale di Fisica Nucleare Sezione di Milano Via Celoria 16 Milan Italy Dipartimento di Scienze Fisiche e Chimiche Università degli Studi dell'Aquila L'Aquila 67100 Italy Department of Physics University of Chicago Chicago 60637 IL United States Department of Physics University of Maryland College Park 20742 MD United States Quantum Technology Center University of Maryland College Park 20742 MD United States The William H. Miller III Department of Physics and Astronomy The Johns Hopkins University Baltimore 21218 MD United States Institute for Astroparticle Physics Karlsruhe Institute of Technology Karlsruhe 76021 Germany Earth and Planetary Sciences Stanford University Stanford 94305-2115 CA United States Texas Center for Cosmology and Astroparticle Physics Weinberg Institute for Theoretical Physics Department of Physics The University of

Minerals are solid state nuclear track detectors — nuclear recoils in a mineral leave latent damage to the crystal structure. Depending on the mineral and its temperature, the damage features are retained in the material from minutes (in low-melting point materials such as salts at a few hundred °C) to timescales much larger than the 4.5Gyr-age of the Solar System (in refractory materials at room temperature). The damage features from the O(50)MeV fission fragments left by spontaneous fission of ²³⁸U and other heavy unstab.e isotopes have long b.en used for fission track dating of geological samples. Laboratory studies have demonstrated the readout of defects caused by nuclear recoils with energies as small as O(1)keV. This whitepaper discusses a wide range of possib.e applications of minerals as detectors for eb>Rb>≳O(1)keV nuclear recoils: Using natural minerals, one could use the damage features accumulated over O(10)Myr–O(1)Gyr to measure astrophysical neutrino fluxes (from the Sun, supernovae, or cosmic rays interacting with the atmosphere) as well as search for Dark Matter. Using signals accumulated over months to few-years timescales in laboratory-manufactured minerals, one could measure reactor neutrinos or use them as Dark Matter detectors, potentially with directional sensitivity. Research groups in europe, Asia, and America have started developing microscopy techniques to read out the O(1)–O(100)nm damage features in crystals left by O(0.1)–O(100)keV nuclear recoils. We report on the status and plans of these programs. The research program towards the realization of such detectors is highly interdisciplinary, combining geoscience, material science, applied and fundamental physics with techniques from quantum information and Artificial Intelligence. © 2023 elsevier b.V.

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Angular Momentum in Rotating Superfluid Droplets

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Physical Review Letters 2020年第21期124卷 215301-215301页

作者： Sean M. O. O’Connell Rico Mayro P. Tanyag Deepak Verma Charles bernando Weiwu Pang Camila bacellar Catherine A. Saladrigas Johannes Mahl benjamin W. Toulson Yoshiaki Kumagai Peter Walter Francesco Ancilotto Manuel barranco Marti Pi Christoph bostedt Oliver Gessner Andrey F. Vilesov Department of Chemistry University of Southern California Los Angeles California 90089 USA Technische Universität Berlin Institut für Optik und Atomare Physik 10623 Berlin Germany Department of Physics and Astronomy University of Southern California Los Angeles California 90089 USA OVO (PT. Visionet Internasional) Lippo Kuningan 20th floor Jalan HR Rasuna Said No. B-12 Setiabudi Jakarta 12940 Indonesia Department of Computer Science University of Southern California Los Angeles California 90089 USA Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Chemistry University of California Berkeley Berkeley California 94720 USA Department of Physics University of Hamburg 22761 Hamburg Germany Chemical Sciences and Engineering Division Argonne National Laboratory 9700 South Cass Avenue B109 Lemont Illinois 60439 USA Linac Coherent Light Source SLAC National Accelerator Laboratory Menlo Park California 94025 USA Dipartimento di Fisica e Astronomia and CNISM Università di Padova 35122 Padova Italy CNR-IOM Democritos 34136 Trieste Italy Departament FQA Universitat de Barcelona Facultat de Física 08028 Barcelona Spain Institute of Nanoscience and Nanotechnology (IN2UB) Universitat de Barcelona 08028 Barcelona Spain Laboratoire des Collisions Agrégats et Réactivité IRSAMC Université Toulouse 3 F-31062 Toulouse France Department of Physics and Astronomy Northwestern University 2145 Sheridan Road Evanston Illinois 60208 USA Paul Scherrer Institut Forschungsstrasse 111 5232 Villigen–PSI Switzerland LUXS Laboratory for Ultrafast X-ray Sciences Institute of Chemical Sciences and Engineering École Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne Switzerland

The angular momentum of rotating superfluid droplets originates from quantized vortices and capillary waves, the interplay between which remains to be uncovered. Here, the rotation of isolated submicrometer superfluid He4 droplets is studied by ultrafast x-ray diffraction using a free electron laser. The diffraction patterns provide simultaneous access to the morphology of the droplets and the vortex arrays they host. In capsule-shaped droplets, vortices form a distorted triangular lattice, whereas they arrange along elliptical contours in ellipsoidal droplets. The combined action of vortices and capillary waves results in droplet shapes close to those of classical droplets rotating with the same angular velocity. The findings are corroborated by density functional theory calculations describing the velocity fields and shape deformations of a rotating superfluid cylinder.

关键词： Quantum fluids & solids Vortices in superfluids Helium-4 superfluids Superfluids Coherent X-ray scattering Density functional calculations

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SPT clusters with DeS and HST weak lensing. II. Cosmological constraints from the abundance of massive halos

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Physical Review D 2024年第8期110卷 083510页

作者： S. bocquet S. Grandis L. e. b.eem M. Klein J. J. Mohr T. Schrabback T. M. C. Abbott P. A. R. Ade M. Aguena A. Alarcon S. Allam S. W. Allen O. Alves A. Amon A. J. Anderson J. Annis b. Ansarinejad J. e. Austermann S. Avila D. bacon M. bayliss J. A. beall K. bechtol M. R. becker A. N. bender b. A. benson G. M. bernstein S. bhargava F. bianchini M. brodwin D. brooks L. bryant A. Campos R. e. A. Canning J. e. Carlstrom A. Carnero Rosell M. Carrasco Kind J. Carretero F. J. Castander R. Cawthon C. L. Chang C. Chang P. Chaubal R. Chen H. C. Chiang A. Choi T-L. Chou R. Citron C. Corbett Moran J. Cordero M. Costanzi T. M. Crawford A. T. Crites L. N. da Costa M. e. S. Pereira C. Davis T. M. Davis J. DeRose S. Desai T. de Haan H. T. Diehl M. A. Dobbs S. Dodelson C. Doux A. Drlica-Wagner K. eckert J. elvin-Poole S. everett W. everett I. Ferrero A. Ferté A. M. Flores J. Frieman J. Gallicchio J. García-bellido M. Gatti e. M. George G. Giannini M. D. Gladders D. Gruen R. A. Gruendl N. Gupta G. Gutierrez N. W. Halverson I. Harrison W. G. Hartley K. Herner S. R. Hinton G. P. Holder D. L. Hollowood W. L. Holzapfel K. Honscheid J. D. Hrubes N. Huang J. Hubmayr e. M. Huff D. Huterer K. D. Irwin D. J. James M. Jarvis G. Khullar K. Kim L. Knox R. Kraft e. Krause K. Kuehn N. Kuropatkin F. Kéruzoré O. Lahav A. T. Lee P.-F. Leget D. Li H. Lin A. Lowitz N. MacCrann G. Mahler A. Mantz J. L. Marshall J. McCullough M. McDonald J. J. McMahon J. Mena-Fernández F. Menanteau S. S. Meyer R. Miquel J. Montgomery J. Myles T. Natoli A. Navarro-Alsina J. P. Nibarger G. I. Nob.e V. Novosad R. L. C. Ogando Y. Omori S. Padin S. Pandey P. Paschos S. Patil A. Pieres A. A. Plazas Malagón A. Porredon J. Prat C. Pryke M. Raveri C. L. Reichardt J. Roberson R. P. Rollins C. Romero A. Roodman J. e. Ruhl e. S. Rykoff b. R. Saliwanchik L. Salvati C. Sánchez e. Sanchez D. Sanchez Cid A. Saro K. K. Schaffer L. F. Secco I. Sevilla-Noarbe K. Sharon e. Sheldon T. Shin C. Sievers G. Smecher M. Smith T. Somboonpanyakul M. Sommer b. Stalder A. A. Stark J. Stephen V. Straz University Observatory Faculty of Physics Universität Innsbruck Institut für Astro- und Teilchenphysik Technikerstraße 25/8 6020 Innsbruck Austria High-Energy Physics Division Argonne National Laboratory 9700 South Cass Avenue Lemont Illinois 60439 USA Kavli Institute for Cosmological Physics University of Chicago 5640 South Ellis Avenue Chicago Illinois 60637 USA Max Planck Institute for Extraterrestrial Physics Gießenbachstraße 1 85748 Garching Germany Argelander-Institut für Astronomie Auf dem Hügel 71 53121 Bonn Germany Cerro Tololo Inter-American Observatory NSF’s National Optical-Infrared Astronomy Research Laboratory Casilla 603 La Serena Chile School of Physics and Astronomy Cardiff University Cardiff CF24 3YB United Kingdom Laboratório Interinstitucional de e-Astronomia—LIneA Rua Gal. José Cristino 77 Rio de Janeiro Rio de Janeiro—20921-400 Brazil Fermi National Accelerator Laboratory P. O. Box 500 Batavia Illinois 60510 USA Kavli Institute for Particle Astrophysics and Cosmology Stanford University 452 Lomita Mall Stanford California 94305 USA Department of Physics Stanford University 382 Via Pueblo Mall Stanford California 94305 USA SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park California 94025 USA Department of Physics University of Michigan Ann Arbor Michigan 48109 USA Institute of Astronomy University of Cambridge Madingley Road Cambridge CB3 0HA United Kingdom Kavli Institute for Cosmology University of Cambridge Madingley Road Cambridge CB3 0HA United Kingdom School of Physics University of Melbourne Parkville Victoria 3010 Australia NIST Quantum Devices Group 325 Broadway Mailcode 817.03 Boulder Colorado 80305 USA Department of Physics University of Colorado Boulder Colorado 80309 USA Institut de Física d’Altes Energies (IFAE) The Barcelona Institute of Science and Technology Campus UAB 08193 Bellaterra (Barcelona) Spain Institute of Cosmology and Gravitation University of Portsmouth Portsmouth

We present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel’dovich (SZ) effect in South Pole Telescope (SPT) data with a simultaneous mass calibration using weak gravitational lensing data from the Dark energy Survey (DeS) and the Hubb.e Space Telescope (HST). The cluster sample is constructed from the combined SPT-SZ, SPTpol eCS, and SPTpol 500d surveys, and comprises 1,005 confirmed clusters in the redshift range 0.25–1.78 over a total sky area of 5200 deg2. We use DeS Year 3 weak-lensing data for 688 clusters with redshifts z<0.95 and HST weak-lensing data for 39 clusters with 0.6e weak-lensing measurements enab.e robust mass measurements of sample clusters and allow us to empirically constrain the SZ ob.ervab.e-mass relation without having to make strong assumptions about, e.g., the hydrodynamical state of the clusters. For a flat ΛCDM cosmology, and marginalizing over the sum of massive neutrinos, we measure Ωm=0.286±0.032, σ8=0.817±0.026, and the parameter combination σ8(Ωm/0.3)0.25=0.805±0.016. Our measurement of S8≡σ8Ωm/0.3=0.795±0.029 and the constraint from Planck CMb anisotropies (2018 TT, Te, ee+lowe) differ by 1.1σ. In combination with that Planck dataset, we place a 95% upper limit on the sum of neutrino masses ∑mν<0.18 eV. When additionally allowing the dark energy equation of state parameter w to vary, we obtain w=−1.45±0.31 from our cluster-based analysis. In combination with Planck data, we measure w=−1.34−0.15+0.22, or a 2.2σ difference with a cosmological constant. We use the cluster abundance to measure σ8 in five redshift bins between 0.25 and 1.8, and we find the results to be consistent with structure growth as predicted by the ΛCDM model fit to Planck primary CMb data.

关键词： Cosmological parameters Dark energy Large scale structure of the Universe Galaxy clusters

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Search for the Z boson Decay to ττμμ in Proton-Proton Collisions at s=13 TeV

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Physical Review Letters 2024年第16期133卷 161805页

作者： A. Hayrapetyan A. Tumasyan W. Adam J. W. Andrejkovic T. bergauer S. Chatterjee K. Damanakis M. Dragicevic P. S. Hussain M. Jeitler N. Krammer A. Li D. Liko I. Mikulec J. Schieck R. Schöfbeck D. Schwarz M. Sonawane S. Templ W. Waltenberger C.-e. Wulz M. R. Darwish T. Janssen P. Van Mechelen N. b.eugelmans J. D’Hondt S. Dansana A. De Moor M. Delcourt F. Heyen S. Lowette I. Makarenko D. Müller S. Tavernier M. Tytgat G. P. Van Onsem S. Van Putte D. Vannerom b. Clerbaux A. K. Das G. De Lentdecker H. evard L. Favart P. Gianneios D. Hohov J. Jaramillo A. Khalilzadeh F. A. Khan K. Lee M. Mahdavikhorrami A. Malara S. Paredes L. Thomas M. Vanden bemden C. Vander Velde P. Vanlaer M. De Coen D. Dobur G. Gokbulut Y. Hong J. Knolle L. Lamb.echt D. Marckx G. Mestdach K. Mota Amarilo C. Rendón A. Samalan K. Skovpen N. Van Den bossche J. van der Linden L. Wezenb.ek A. benecke A. bethani G. bruno C. Caputo J. De Favereau De Jeneret C. Delaere I. S. Donertas A. Giammanco A. O. Guzel Sa. Jain V. Lemaitre J. Lidrych P. Mastrapasqua T. T. Tran S. Wertz G. A. Alves e. Coelho C. Hensel T. Menezes De Oliveira A. Moraes P. Rebello Teles M. Soeiro A. Vilela Pereira W. L. Aldá Júnior M. Alves Gallo Pereira M. barroso Ferreira Filho H. brandao Malbouisson W. Carvalho J. Chinellato e. M. Da Costa G. G. Da Silveira D. De Jesus Damiao S. Fonseca De Souza R. Gomes De Souza M. Macedo J. Martins C. Mora Herrera L. Mundim H. Nogima J. P. Pinheiro A. Santoro A. Sznajder M. Thiel C. A. bernardes L. Calligaris T. R. Fernandez Perez Tomei e. M. Gregores I. Maietto Silverio P. G. Mercadante S. F. Novaes b. Orzari Sandra S. Padula A. Aleksandrov G. Antchev R. Hadjiiska P. Iaydjiev M. Misheva M. Shopova G. Sultanov A. Dimitrov L. Litov b. Pavlov P. Petkov A. Petrov e. Shumka S. Keshri S. Thakur T. Cheng T. Javaid L. Yuan Z. Hu Z. Liang J. Liu K. Yi G. M. Chen H. S. Chen M. Chen F. Iemmi C. H. Jiang A. Kapoor H. Liao Z.-A. Liu M. A. Shahzad R. Sharma J. N. Song J. Tao C. Wang J. Wang Z. Wang H. Zhang J. Zhao A. Agapitos Y. ban S. Deng b. Guo C. Jiang A. Le Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Indian Institute of Technology Madras Madras India Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Korea University Seoul Korea 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 California Institute of Technology Pasadena California USA University of Florida Gainesville Florida USA Massachusetts Institute of Technology Cambridge Massachusetts USA State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Deutsches Elektronen-Synchrotron Hamburg Germany Kyung Hee University Department of Physics Seoul Korea Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Nanjing Normal University Nanjing China Florida State University Tallahassee Florida USA Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University Shanghai China Zhejiang University Hangzhou Zhejiang 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

The first search for the Z boson decay to ττμμ at the CeRN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb−1. The data are compatib.e with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.9 times the standard model expectation is placed on the ratio of the Z→ττμμ to Z→4μ branching fractions. Limits are also placed on the six flavor-conserving four-lepton effective-field-theory operators involving two muons and two tau leptons, for the first time testing all such operators.

关键词： Muons Tau leptons W & Z bosons Hadron colliders

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Search for Narrow Trijet Resonances in Proton-Proton Collisions at s=13 TeV

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Physical Review Letters 2024年第1期133卷 011801-011801页

作者： A. Hayrapetyan A. Tumasyan W. Adam J. W. Andrejkovic T. bergauer S. Chatterjee K. Damanakis M. Dragicevic A. escalante Del Valle P. S. Hussain M. Jeitler N. Krammer D. Liko I. Mikulec J. Schieck R. Schöfbeck D. Schwarz M. Sonawane S. Templ W. Waltenberger C.-e. Wulz M. R. Darwish T. Janssen P. Van Mechelen e. S. bols J. D’Hondt S. Dansana A. De Moor M. Delcourt H. el Faham S. Lowette I. Makarenko D. Müller A. R. Sahasransu S. Tavernier M. Tytgat S. Van Putte D. Vannerom b. Clerbaux G. De Lentdecker L. Favart D. Hohov J. Jaramillo A. Khalilzadeh K. Lee M. Mahdavikhorrami A. Malara S. Paredes L. Pétré N. Postiau L. Thomas M. Vanden bemden C. Vander Velde P. Vanlaer M. De Coen D. Dobur Y. Hong J. Knolle L. Lamb.echt G. Mestdach C. Rendón A. Samalan K. Skovpen N. Van Den bossche L. Wezenb.ek A. benecke G. bruno C. Caputo C. Delaere I. S. Donertas A. Giammanco K. Jaffel Sa. Jain V. Lemaitre J. Lidrych P. Mastrapasqua K. Mondal T. T. Tran S. Wertz G. A. Alves e. Coelho C. Hensel T. Menezes De Oliveira A. Moraes P. Rebello Teles M. Soeiro W. L. Aldá Júnior M. Alves Gallo Pereira M. barroso Ferreira Filho H. brandao Malbouisson W. Carvalho J. Chinellato e. M. Da Costa G. G. Da Silveira D. De Jesus Damiao S. Fonseca De Souza J. Martins C. Mora Herrera K. Mota Amarilo L. Mundim H. Nogima A. Santoro A. Sznajder M. Thiel A. Vilela Pereira C. A. bernardes L. Calligaris T. R. Fernandez Perez Tomei e. M. Gregores P. G. Mercadante S. F. Novaes b. Orzari Sandra S. Padula A. Aleksandrov G. Antchev R. Hadjiiska P. Iaydjiev M. Misheva M. Shopova G. Sultanov A. Dimitrov T. Ivanov L. Litov b. Pavlov P. Petkov A. Petrov e. Shumka S. Keshri S. Thakur T. Cheng Q. Guo T. Javaid M. Mittal L. Yuan G. bauer Z. Hu J. Liu K. Yi G. M. Chen H. S. Chen M. Chen F. Iemmi C. H. Jiang A. Kapoor H. Liao Z.-A. Liu F. Monti M. A. Shahzad R. Sharma J. N. Song J. Tao C. Wang J. Wang Z. Wang H. Zhang A. Agapitos Y. ban A. Levin C. Li Q. Li Y. Mao S. J. Qian X. Sun D. Wang H. Yang L. Zhang C. Zhou Z. You N. Lu X. Gao D. Leggat H. Okawa Y. Zhang Z. Lin C. Lu Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Indian Institute of Technology Madras Madras India Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Korea University Seoul Korea 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 California Institute of Technology Pasadena California USA Massachusetts Institute of Technology Cambridge Massachusetts USA 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 Rice University Houston Texas USA Zhejiang University Hangzhou Zhejiang 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 th

The first search for singly produced narrow resonances decaying to three well-separated hadronic jets is presented. The search uses proton-proton collision data corresponding to an integrated luminosity of 138 fb−1 at s=13 TeV, collected at the CeRN LHC. No significant deviations from the background predictions are ob.erved between 1.75 and 9.00 TeV. The results provide the first mass limits on a right-handed boson ZR decaying to three gluons and on an excited quark decaying via a vector boson to three quarks, as well as updated limits on a Kaluza-Klein gluon decaying via a radion to three gluons.

关键词： Quark & gluon jets Hypothetical particles Hadron colliders

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