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
RelationsSchool of Physics, Astronomy and Mathematics
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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 ...
Skakun, Ye; Rauscher, T. (American Institute of Physics, 2010)Astrophysical S-factors of (p,n) reactions on (99)Ru, (100)Ru, (101)Ru, and (102)Ru were derived from the sum of experimental isomeric and ground states cross sections measured in the incident proton energy range of 5-9 ...
Thielemann, Friedrich-Karl; Arcones, A.; Kaeppeli, R.; Liebendoerfer, M.; Rauscher, T.; Winteler, C.; Froehlich, C.; Dillmann, I.; Fischer, T.; Martinez-Pinedo, G.; Langanke, K.; Farouqi, K.; Kratz, K. -L.; Panov, I.; Korneev, I. K. (2011-04)This article addresses three of the four nucleosynthesis processes involved in producing heavy nuclei beyond Fe (with a main focus on the r-process). Opposite to the fourth process (the s-process), which operates in stellar ...