Gamow-Teller strength in the /sup 14/O. -->. /sup 14/N(3. 948) MeV beta decay

Journal Article · Sun Nov 01 04:00:00 EST 1981 · Phys. Rev. C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.24.2235· OSTI ID:6265178

Hernandez, A M; Daehnick, W W

The Gamow-Teller ..beta.. decay from the /sup 14/O 0/sup +/ ground state to the 3.948 MeV 1/sup +/ level in /sup 14/N has been studied by observing ..gamma.. rays from the deexcitation of the 3.948 and 2.313 MeV levels in /sup 14/N. We measured a branching ratio of (5.28 +- 0.23) x 10/sup -4/ relative to the superallowed Fermi decay to the 2.313 MeV level, and deduce ft = 1446 +- 63. The corresponding Gamow-Teller transition strength is B(GT) = 2.73 +- 0.12. This value is about 40% lower than that predicted by several widely used shell model calculations, and may suggest appreciable quenching by mesonic currents.

• Research Organization: Nuclear Physics Laboratory, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
• OSTI ID: 6265178
• Journal Information: Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 24:5; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
ANGULAR MOMENTUM
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY
BETA-PLUS DECAY RADIOISOTOPES
BRANCHING RATIO
DECAY
ELECTROSTATIC ACCELERATORS
ENERGY LEVELS
EVEN-EVEN NUCLEI
GAMOW-TELLER RULES
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MINUTES LIVING RADIOISOTOPES
NITROGEN 14
NITROGEN ISOTOPES
NUCLEAR MODELS
NUCLEI
ODD-ODD NUCLEI
OXYGEN 14
OXYGEN ISOTOPES
PARITY
PARTICLE PROPERTIES
RADIOISOTOPES
SHELL MODELS
SPIN
STABLE ISOTOPES
VAN DE GRAAFF ACCELERATORS