Physics – Nuclear Physics
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phrvc..13.2033o&link_type=abstract
Physical Review C (Nuclear Physics), Volume 13, Issue 5, May 1976, pp.2033-2043
Physics
Nuclear Physics
4
Scientific paper
A measurement of the cascade γ radiation from the 7.65-MeV Jπ=0+ state in 12C is reported. The cascade γ radiation through the 4.44-MeV Jπ=2+ state in 12C is responsible for 98% of stellar 12C production, the remaining 2% proceeding by E0 pair decay. The two E2 γ rays were measured in coincidence with inelastically scattered protons which resonantly populated the 7.65-MeV state at Ep=10.48 MeV. A high efficiency detection system was used, consisting of four 12.5-cm × 12.5-cm NaI γ detectors and four silicon surface barrier particle counters. A value of (4.09 +/- 0.29) × 10-4 was obtained for the radiative branching ratio, in agreement with the larger of the two sets of values previously reported. NUCLEAR STRUCTURE 12C, 7.65 MeV state; measured ΓγΓ. Stellar helium burning.
Braithwaite W. J.
Obst Andrew W.
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