Isovector M2 state observed in the /sup 14/C(. pi. /sup -/,. gamma. ) reaction
Journal Article
·
· Phys. Rev. C; (United States)
The photon spectrum of the pion capture reaction /sup 14/C(..pi../sup -/,..gamma..)/sup 14/B was measured with a resolution of 0.9 MeV full width at half maximum. A single strong transition is observed with ..gamma..-ray energy 115.70 +- 0.17 MeV, corresponding to a state in /sup 14/B at 2.15 +- 0.17-MeV excitation. Comparisons with previous experiments and theoretical calculations identify this as the second T = 2,2/sup -/ state in mass-14 nuclei. The single strong transition has a measured branching ratio (11.1 +- 3.0) x 10/sup -4/, which equals one-fifth of the shell-model prediction. The total radiative capture branching ratio is 0.68 +- 0.16%, which is a factor of 2 to 3 smaller than for other 1-p-shell nuclei.
- Research Organization:
- Los Alamos National Laboratory, University of California, Los Alamos, New Mexico 85745
- OSTI ID:
- 5517695
- Journal Information:
- Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 28:2; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Excitation of giant magnetic and spin-isospin dipole states in radiative $pi$ capture on $sup 14$N and $sup 10$B
Effective isoscalar M1 operator determined in a study of /sup 14/N. [Branching ratios, mixing ratios]
STUDIES OF ELECTROMAGNETIC TRANSITIONS IN N$sup 14$ BY MEANS OF THE C$sup 12$(He$sup 3$,p)N$sup 14$ REACTION
Journal Article
·
Mon Sep 01 00:00:00 EDT 1975
· Phys. Rev., C, v. 12, no. 3, pp. 921-937
·
OSTI ID:4146133
Effective isoscalar M1 operator determined in a study of /sup 14/N. [Branching ratios, mixing ratios]
Journal Article
·
Tue Jun 01 00:00:00 EDT 1976
· Phys. Rev., C; (United States)
·
OSTI ID:7352414
STUDIES OF ELECTROMAGNETIC TRANSITIONS IN N$sup 14$ BY MEANS OF THE C$sup 12$(He$sup 3$,p)N$sup 14$ REACTION
Journal Article
·
Mon Apr 27 00:00:00 EDT 1964
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
·
OSTI ID:4050002
Related Subjects
651323* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Energy Levels & Transitions-- (-1987)
651325 -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BORON 14
BORON ISOTOPES
BRANCHING RATIO
CAPTURE
CARBON 14 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXPERIMENTAL DATA
GAMMA RADIATION
HADRON REACTIONS
INFORMATION
IONIZING RADIATIONS
ISOTOPES
LIGHT NUCLEI
M2-TRANSITIONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MESON REACTIONS
MEV RANGE
MEV RANGE 01-10
MULTIPOLE TRANSITIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PARITY
PARTICLE PROPERTIES
PHOTONS
PION MINUS REACTIONS
PION REACTIONS
RADIATIONS
RADIOISOTOPES
SHELL MODELS
SPIN
TARGETS
TOTAL CROSS SECTIONS
A=6-19
Experimental-- Energy Levels & Transitions-- (-1987)
651325 -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BORON 14
BORON ISOTOPES
BRANCHING RATIO
CAPTURE
CARBON 14 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXPERIMENTAL DATA
GAMMA RADIATION
HADRON REACTIONS
INFORMATION
IONIZING RADIATIONS
ISOTOPES
LIGHT NUCLEI
M2-TRANSITIONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MESON REACTIONS
MEV RANGE
MEV RANGE 01-10
MULTIPOLE TRANSITIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PARITY
PARTICLE PROPERTIES
PHOTONS
PION MINUS REACTIONS
PION REACTIONS
RADIATIONS
RADIOISOTOPES
SHELL MODELS
SPIN
TARGETS
TOTAL CROSS SECTIONS