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First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment.
Aalbers, J; Akerib, D S; Akerlof, C W; Al Musalhi, A K; Alder, F; Alqahtani, A; Alsum, S K; Amarasinghe, C S; Ames, A; Anderson, T J; Angelides, N; Araújo, H M; Armstrong, J E; Arthurs, M; Azadi, S; Bailey, A J; Baker, A; Balajthy, J; Balashov, S; Bang, J; Bargemann, J W; Barry, M J; Barthel, J; Bauer, D; Baxter, A; Beattie, K; Belle, J; Beltrame, P; Bensinger, J; Benson, T; Bernard, E P; Bhatti, A; Biekert, A; Biesiadzinski, T P; Birch, H J; Birrittella, B; Blockinger, G M; Boast, K E; Boxer, B; Bramante, R; Brew, C A J; Brás, P; Buckley, J H; Bugaev, V V; Burdin, S; Busenitz, J K; Buuck, M; Cabrita, R; Carels, C; Carlsmith, D L.
Affiliation
  • Aalbers J; SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA.
  • Akerib DS; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA.
  • Akerlof CW; SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA.
  • Al Musalhi AK; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA.
  • Alder F; University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA.
  • Alqahtani A; University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom.
  • Alsum SK; University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom.
  • Amarasinghe CS; Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA.
  • Ames A; University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA.
  • Anderson TJ; University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA.
  • Angelides N; SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA.
  • Araújo HM; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA.
  • Armstrong JE; SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA.
  • Arthurs M; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA.
  • Azadi S; University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom.
  • Bailey AJ; Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom.
  • Baker A; Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom.
  • Balajthy J; University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA.
  • Balashov S; University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA.
  • Bang J; University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA.
  • Bargemann JW; Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom.
  • Barry MJ; Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom.
  • Barthel J; University of California, Davis, Department of Physics, Davis, California 95616-5270, USA.
  • Bauer D; STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom.
  • Baxter A; Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA.
  • Beattie K; University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA.
  • Belle J; Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA.
  • Beltrame P; South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA.
  • Bensinger J; Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom.
  • Benson T; University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom.
  • Bernard EP; Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA.
  • Bhatti A; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA.
  • Biekert A; University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom.
  • Biesiadzinski TP; University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom.
  • Birch HJ; Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA.
  • Birrittella B; University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA.
  • Blockinger GM; Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA.
  • Boast KE; University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA.
  • Boxer B; University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA.
  • Bramante R; Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA.
  • Brew CAJ; University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA.
  • Brás P; SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA.
  • Buckley JH; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA.
  • Bugaev VV; University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA.
  • Burdin S; University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom.
  • Busenitz JK; University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA.
  • Buuck M; University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA.
  • Cabrita R; University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom.
  • Carels C; University of California, Davis, Department of Physics, Davis, California 95616-5270, USA.
  • Carlsmith DL; University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom.
Phys Rev Lett ; 131(4): 041002, 2023 Jul 28.
Article in En | MEDLINE | ID: mdl-37566836
ABSTRACT
The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. This Letter reports results from LUX-ZEPLIN's first search for weakly interacting massive particles (WIMPs) with an exposure of 60 live days using a fiducial mass of 5.5 t. A profile-likelihood ratio analysis shows the data to be consistent with a background-only hypothesis, setting new limits on spin-independent WIMP-nucleon, spin-dependent WIMP-neutron, and spin-dependent WIMP-proton cross sections for WIMP masses above 9 GeV/c^{2}. The most stringent limit is set for spin-independent scattering at 36 GeV/c^{2}, rejecting cross sections above 9.2×10^{-48} cm at the 90% confidence level.
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Full text: 1 Database: MEDLINE Language: En Year: 2023 Type: Article
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Full text: 1 Database: MEDLINE Language: En Year: 2023 Type: Article