Neutral-current neutrino cross section and expected supernova signals for 40Ar from a three-fold increase in the magnetic dipole strength
Journal Article
·
· Physics Letters. B
- Duke University, Durham, NC (United States). Triangle Universities Nuclear Laboratory
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Duke University, Durham, NC (United States)
- Huzhou University, Zhejiang (China)
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Kubrick Group, London (United Kingdom)
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)
In view of the great interest in liquid argon neutrino detectors, the 40Ar(γ,γ')40Ar reaction was revisited to guide a calculation of the neutral current neutrino cross section at supernova energies. Using the nuclear resonance fluorescence technique with a monoenergetic, 99% linearly polarized photon beam, in this work we report a three-fold increase in magnetic dipole strength at around 10 MeV in 40Ar. Based on shell-model calculations, and using the experimentally identified transitions, the neutral current neutrino cross sections for low-energy reactions on 40Ar are calculated.
- Research Organization:
- Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory; Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC). Office of Nuclear Physics (NP); National Natural Science Foundation of China (NSFC)
- Grant/Contract Number:
- 89233218CNA000001; FG02-97ER41033; AC52-07NA27344; 12275081; U2067205; U1732138
- OSTI ID:
- 1907442
- Alternate ID(s):
- OSTI ID: 1900498; OSTI ID: 2203623
- Report Number(s):
- LA-UR-22-25650; LLNL-JRNL-854512; TRN: US2311893
- Journal Information:
- Physics Letters. B, Vol. 835; ISSN 0370-2693
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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