Neutron-induced nucleosynthesis plays an important role in astrophysical scenarios like in primordial nucleosynthesis in the early universe, in the s-process occurring in Red Giants, and in the cu-rich freeze-out and r-process taking place in supernovae of type II. A review of the three important aspects of neutron-induced nucleosynthesis is given: astrophysical background, experimental methods and theoretical models for determining reaction cross sections and reaction rates at thermonuclear energies. Three specific examples of neutron capture at thermal and thermonuclear energies are discussed in some detail.
Published inSurveys in Geophysics
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Rauscher, T.; Applegate, J.H.; Cowan, J.J.; Thielemann, F.K.; Wiescher, M. (1994-07-10)Baryon density inhomogeneities during big bang nucleosynthesis can result from a variety of possible causes (e.g., quantum chromodynamic and electroweak phase transitions; cosmic strings). We present here the consequences ...
Sonnabend, K.; Mohr, P.; Vogt, K.; Zilges, A.; Mengoni, A.; Rauscher, T.; Beer, H.; Kappeler, F.; Gallino, R. (2003-01-20)The neutron capture cross section of the unstable nucleus W-185 has been derived from experimental photoactivation data of the inverse reaction W-186(gamma, n) W-185. The new result of sigma = 687 +/- 110 mbarn confirms ...
Panov, I. V.; Korneev, I. Yu; Rauscher, T.; Martinez-Pinedo, G.; Kelic-Heil, A.; Zinner, N. T.; Thielemann, Friedrich-Karl (2010-04)Neutron-induced reaction rates, including fission and neutron capture, are calculated in the temperature range 10(8)