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Isospin violation in the /sup 12/C(/sup 6/Li,. cap alpha. )/sup 14/N(2. 31 MeV) reaction

Journal Article · · Phys. Rev., C; (United States)
;
The isospin violating reaction /sup 12/C(/sup 6/Li,..cap alpha..)/sup 14/N(2.31 MeV) was investigated in the range of beam energies from 9.0 to 14.0 MeV. Excitation functions were measured for the ground state, 2.31-MeV state and 3.95-MeV state of /sup 14/N at 15/sup 0/, 20/sup 0/, 60/sup 0/, and 160/sup 0/. Excitation functions were taken at 40/sup 0/ for the ground state and 3.95-MeV states. Angular distributions were obtained at 10.5-, 11.25-, 12.5-, 13.75-, and 20.0-MeV beam energies. The cross section for the isospin forbidden reaction to the 2.31-MeV state is 0.4 to 1.8% of that to the allowed ground state and 3.95-MeV state in the beam energy range 9 to 14 MeV. At 20.0 MeV the ground state and 3.95-MeV state in the beam energy range 9 to 14 MeV. At 20.0 MeV the yield to the forbidden state is only 0.02% of the allowed yield. Isospin mixing by the Coulomb force is believed responsible for the forbidden yield observed between 9 - 14 MeV.
Research Organization:
Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556
OSTI ID:
5038853
Journal Information:
Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 17:1; ISSN PRVCA
Country of Publication:
United States
Language:
English

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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 DISTRIBUTION
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
DISTRIBUTION
ENERGY LEVELS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION FUNCTIONS
EXCITED STATES
FORBIDDEN TRANSITIONS
GROUND STATES
HEAVY ION REACTIONS
ISOSPIN
ISOTOPES
LIGHT NUCLEI
LITHIUM 6 REACTIONS
MEV RANGE
MEV RANGE 01-10
MEV RANGE 10-100
MULTI-NUCLEON TRANSFER REACTIONS
NITROGEN 14
NITROGEN ISOTOPES
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
PARTICLE PROPERTIES
STABLE ISOTOPES
STRIPPING
TARGETS
TRANSFER REACTIONS
TWO-NUCLEON TRANSFER REACTIONS