The Study Of Excited States In 12N With Radioactive Ion Beams From BEARS

Details The Study Of Excited States In 12N With Radioactive Ion Beams From BEARS The Study Of Excited States In 12N With Radioactive Ion Beams From BEARS

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..656..323g&link_type=abstract

FRONTIERS OF NUCLEAR STRUCTURE. AIP Conference Proceedings, Volume 656, pp. 323-328 (2003).

Physics

Properties Of Nuclei, Nuclear Energy Levels, Elastic Scattering, Hydrostatic Stellar Nucleosynthesis, 6<=A<=19

Scientific paper

Radioactive ion beams of 55 MeV 11C from the BEARS project at LBNL and a thick-target technique were used to study resonant states in 12N. With a reaction in inverse kinematics an excitation function of elastic scattering cross section was measured in a single exposure covering the center of mass energy range between 300 keV to 1100 keV. The elastic scattering reaction 11C(p,p)11C is related to the reaction 11C(p,γ)12N, an important branch point in the hot pp chains and a determinant of the evolution of supermassive stars. The data was analyzed using the R-matrix code MULTI. Preliminary results suggests that the first excited state in 12N (0.96 MeV) might play a more important role in determining the 11C(p,γ)12N reaction rate than previously believed.

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