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 ...
Thielemann, Friedrich-Karl; Froehlich, Carla; Hirschi, R.; Liebendoerfer, M.; Dillmann, I.; Mocelj, D.; Rauscher, T.; Martinez-Pinedo, G.; Langanke, K.; Farouqi, K.; Kratz, K.L.; Pfeiffer, B.; Panov, I.; Nadyozhin, D. K.; Blinnikov, S.; Bravo, E.; Hix, W. R.; Hoflich, P.; Zinner, N. T. (Elsevier, 2007)Nucleosynthesis is the science related to all astrophysical processes which are responsible for the abundances of the elements and their isotopes in the universe. The astrophysical sites are the big bang and stellar objects. ...
Heil, M.; Winckler, N.; Dababneh, S.; Kaeppeler, F.; Wisshak, K.; Bisterzo, S.; Gallino, R.; Davis, A. M.; Rauscher, T. (2008-01-20)The s-process branching at A (176) has been analyzed on the basis of significantly improved experimental cross sections. This work reports on activation measurements of the partial (n, gamma) cross section of Lu-176 feeding ...