A study of Gamow-Teller strength in A=37 nuclei

Technical Report · Tue Apr 14 00:00:00 EDT 1992

OSTI ID:6889015

Aufderheide, M B; Bloom, S D; Resler, D A ^[1]; Goodman, C D ^[2]

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1. Lawrence Livermore National Lab., CA (United States)
2. Indiana Univ., Bloomington, IN (United States)

An analysis is made of the recent [beta]+ decay measurements of Garcia et al., in order to see whether the 1981 [sup 37]Cl(p,n)[sup 37]Ar measurements of Rapaport et al. are consistent with them. Garcia et al., were not able to determine the amount of Gamow-Teller strength in the isobaric analog state (IAS) or the Coulomb mixing of Fermi strength to a state near the IAS, and were forced to determine the amount of Gamow-Teller strength in the daughter 1371 keV state by making the branching ratios sum to unity. These uncertainties leave a range of possible values open which we investigate. We find that the experiments are consistent within part of this range. We also examine the effect of this range of allowed values on solar and supernova neutrino cross sections of [sup 37]Cl and find weak dependence on the uncertainties described here. We discuss how this range can be narrowed so that the consistency of the two experiments can be conclusively tested.

• Research Organization: Lawrence Livermore National Lab., CA (United States); Indiana Univ., Bloomington, IN (United States)
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 6889015
• Report Number(s): UCRL-ID-111041; ON: DE93005738
• Country of Publication: United States
• Language: English

Related Subjects

662320 -- Neutrino Interactions-- (1992-)
663210 -- Ground-State Radioactivity-- (1992-)
663430* -- Nucleon-Induced Reactions & Scattering-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ARGON 37
ARGON ISOTOPES
BARYON REACTIONS
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY
BETA-PLUS DECAY RADIOISOTOPES
CALCIUM 37
CALCIUM ISOTOPES
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
CHLORINE 37 TARGET
CROSS SECTIONS
DAYS LIVING RADIOISOTOPES
DECAY
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
EVEN-ODD NUCLEI
FERMIONS
GAMOW-TELLER RULES
HADRON REACTIONS
ISOTOPES
LEPTONS
LIGHT NUCLEI
MASSLESS PARTICLES
MILLISEC LIVING RADIOISOTOPES
NEUTRINOS
NUCLEAR DECAY
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PROTON REACTIONS
RADIATIONS
RADIOISOTOPES
SOLAR NEUTRINOS
SOLAR PARTICLES
SOLAR RADIATION
STELLAR RADIATION
TARGETS