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First Measurement of Quasielastic Λ Baryon Production in Muon Antineutrino Interactions in the MicroBooNE Detector.
Abratenko, P; Andrade Aldana, D; Anthony, J; Arellano, L; Asaadi, J; Ashkenazi, A; Balasubramanian, S; Baller, B; Barr, G; Barrow, J; Basque, V; Benevides Rodrigues, O; Berkman, S; Bhanderi, A; Bhattacharya, M; Bishai, M; Blake, A; Bogart, B; Bolton, T; Book, J Y; Camilleri, L; Caratelli, D; Caro Terrazas, I; Cavanna, F; Cerati, G; Chen, Y; Conrad, J M; Convery, M; Cooper-Troendle, L; Crespo-Anadón, J I; Del Tutto, M; Dennis, S R; Detje, P; Devitt, A; Diurba, R; Djurcic, Z; Dorrill, R; Duffy, K; Dytman, S; Eberly, B; Ereditato, A; Evans, J J; Fine, R; Finnerud, O G; Foreman, W; Fleming, B T; Foppiani, N; Franco, D; Furmanski, A P; Garcia-Gamez, D.
Afiliación
  • Abratenko P; Tufts University, Medford, Massachusetts 02155, USA.
  • Andrade Aldana D; Illinois Institute of Technology (IIT), Chicago, Illinois 60616, USA.
  • Anthony J; University of Cambridge, Cambridge CB3 0HE, United Kingdom.
  • Arellano L; The University of Manchester, Manchester M13 9PL, United Kingdom.
  • Asaadi J; University of Texas, Arlington, Texas 76019, USA.
  • Ashkenazi A; Tel Aviv University, Tel Aviv, Israel, 69978.
  • Balasubramanian S; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Baller B; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Barr G; University of Oxford, Oxford OX1 3RH, United Kingdom.
  • Barrow J; Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA.
  • Basque V; Tel Aviv University, Tel Aviv, Israel, 69978.
  • Benevides Rodrigues O; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Berkman S; Syracuse University, Syracuse, New York 13244, USA.
  • Bhanderi A; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Bhattacharya M; The University of Manchester, Manchester M13 9PL, United Kingdom.
  • Bishai M; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Blake A; Brookhaven National Laboratory (BNL), Upton, New York 11973, USA.
  • Bogart B; Lancaster University, Lancaster LA1 4YW, United Kingdom.
  • Bolton T; University of Michigan, Ann Arbor, Michigan 48109, USA.
  • Book JY; Kansas State University (KSU), Manhattan, Kansas 66506, USA.
  • Camilleri L; Harvard University, Cambridge, Massachusetts 02138, USA.
  • Caratelli D; Columbia University, New York, New York 10027, USA.
  • Caro Terrazas I; University of California, Santa Barbara, California 93106, USA.
  • Cavanna F; Colorado State University, Fort Collins, Colorado 80523, USA.
  • Cerati G; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Chen Y; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Conrad JM; SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
  • Convery M; Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA.
  • Cooper-Troendle L; SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
  • Crespo-Anadón JI; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
  • Del Tutto M; Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid E-28040, Spain.
  • Dennis SR; Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
  • Detje P; University of Cambridge, Cambridge CB3 0HE, United Kingdom.
  • Devitt A; University of Cambridge, Cambridge CB3 0HE, United Kingdom.
  • Diurba R; Lancaster University, Lancaster LA1 4YW, United Kingdom.
  • Djurcic Z; Universität Bern, Bern CH-3012, Switzerland.
  • Dorrill R; Argonne National Laboratory (ANL), Lemont, Illinois 60439, USA.
  • Duffy K; Illinois Institute of Technology (IIT), Chicago, Illinois 60616, USA.
  • Dytman S; University of Oxford, Oxford OX1 3RH, United Kingdom.
  • Eberly B; University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
  • Ereditato A; University of Southern Maine, Portland, Maine 04104, USA.
  • Evans JJ; Universität Bern, Bern CH-3012, Switzerland.
  • Fine R; The University of Manchester, Manchester M13 9PL, United Kingdom.
  • Finnerud OG; Los Alamos National Laboratory (LANL), Los Alamos, New Mexico 87545, USA.
  • Foreman W; The University of Manchester, Manchester M13 9PL, United Kingdom.
  • Fleming BT; Illinois Institute of Technology (IIT), Chicago, Illinois 60616, USA.
  • Foppiani N; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
  • Franco D; Harvard University, Cambridge, Massachusetts 02138, USA.
  • Furmanski AP; Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
  • Garcia-Gamez D; University of Minnesota, Minneapolis, Minnesota 55455, USA.
Phys Rev Lett ; 130(23): 231802, 2023 Jun 09.
Article en En | MEDLINE | ID: mdl-37354393
ABSTRACT
We present the first measurement of the cross section of Cabibbo-suppressed Λ baryon production, using data collected with the MicroBooNE detector when exposed to the neutrinos from the main injector beam at the Fermi National Accelerator Laboratory. The data analyzed correspond to 2.2×10^{20} protons on target running in neutrino mode, and 4.9×10^{20} protons on target running in anti-neutrino mode. An automated selection is combined with hand scanning, with the former identifying five candidate Λ production events when the signal was unblinded, consistent with the GENIE prediction of 5.3±1.1 events. Several scanners were employed, selecting between three and five events, compared with a prediction from a blinded Monte Carlo simulation study of 3.7±1.0 events. Restricting the phase space to only include Λ baryons that decay above MicroBooNE's detection thresholds, we obtain a flux averaged cross section of 2.0_{-1.7}^{+2.2}×10^{-40} cm^{2}/Ar, where statistical and systematic uncertainties are combined.
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Mesones Tipo de estudio: Health_economic_evaluation / Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Mesones Tipo de estudio: Health_economic_evaluation / Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2023 Tipo del documento: Article País de afiliación: Estados Unidos