Photon-induced Reactions in Stars and in the Laboratory: A Critical Comparison

Details Photon-induced Reactions in Stars and in the Laboratory: A Critical Comparison Photon-induced Reactions in Stars and in the Laboratory: A Critical Comparison

2004-05-28

arxiv.org/abs/nucl-ex/0405035v1

AIP Conf. Proc. 704, 532 (2004)

Physics

Nuclear Physics

Nuclear Experiment

8 pages, 2 figures, Proc. Tours Symposium Nuclear Physics V 2003, p.532

Scientific paper

10.1063/1.1737151

Photon-induced reactions during the astrophysical p- (or gamma-) process occur at typical temperatures of 1.8 < T9 < 3.3. Experimental data of (gamma,n), (gamma,p), or (gamma,alpha) reactions - if available in the relevant energy region - cannot be used directly to measure astrophysical (gamma,n), (gamma,p), or (gamma,alpha) reaction rates because of the thermal excitation of target nuclei at these high temperatures. Usually, statistical model calculations are used to predict photon-induced reaction rates. The relations between experimental reaction cross sections, theoretical predictions, and astrophysical reaction rates will be critically discussed.

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