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Improved Limit on Tensor Currents in the Weak Interaction from
Burkey, M T; Savard, G; Gallant, A T; Scielzo, N D; Clark, J A; Hirsh, T Y; Varriano, L; Sargsyan, G H; Launey, K D; Brodeur, M; Burdette, D P; Heckmaier, E; Joerres, K; Klimes, J W; Kolos, K; Laminack, A; Leach, K G; Levand, A F; Longfellow, B; Maaß, B; Marley, S T; Morgan, G E; Mueller, P; Orford, R; Padgett, S W; Pérez Galván, A; Pierce, J R; Ray, D; Segel, R; Siegl, K; Sharma, K S; Wang, B S.
Afiliação
  • Burkey MT; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Savard G; Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Gallant AT; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Scielzo ND; Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Clark JA; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Hirsh TY; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Varriano L; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Sargsyan GH; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Launey KD; Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada.
  • Brodeur M; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Burdette DP; Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada.
  • Heckmaier E; Soreq Nuclear Research Center, Yavne 81800, Israel.
  • Joerres K; Department of Physics, University of Chicago, Chicago, Illinois 60637, USA.
  • Klimes JW; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Kolos K; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  • Laminack A; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  • Leach KG; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Levand AF; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Longfellow B; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Maaß B; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Marley ST; Department of Physics and Astronomy, University of California Irvine, Irvine, California 92697, USA.
  • Morgan GE; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  • Mueller P; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Orford R; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Padgett SW; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  • Pérez Galván A; Department of Physics, Colorado School of Mines, Golden, Colorado, 80401 USA.
  • Pierce JR; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Ray D; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Segel R; Physics Division, Argonne National Laboratory, Lemont, Illinois 60439, USA.
  • Siegl K; Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.
  • Sharma KS; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
  • Wang BS; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
Phys Rev Lett ; 128(20): 202502, 2022 May 20.
Article em En | MEDLINE | ID: mdl-35657880
ABSTRACT
The electroweak interaction in the standard model is described by a pure vector-axial-vector structure, though any Lorentz-invariant component could contribute. In this Letter, we present the most precise measurement of tensor currents in the low-energy regime by examining the ß-ν[over ¯] correlation of trapped ^{8}Li ions with the Beta-decay Paul Trap. We find a_{ßν}=-0.3325±0.0013_{stat}±0.0019_{syst} at 1σ for the case of coupling to right-handed neutrinos (C_{T}=-C_{T}^{'}), which is consistent with the standard model prediction.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2022 Tipo de documento: Article País de afiliação: Estados Unidos
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2022 Tipo de documento: Article País de afiliação: Estados Unidos