Indirect techniques in nuclear astrophysics. Asymptotic normalization coefficient and Trojan Horseстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We address two important indirect techniques, the asymptotic normalization coefficient (ANC) and the Trojan Horse (TH) methods. We discuss the application of the ANC technique to determine the astrophysical factor for the (13)C(a, n)(16)O reaction which is one of the neutron generators for the s processes in AGB stars. The TH method is a unique indirect technique allowing one to measure astrophysical S factors for rearrangement reactions down to astrophysically relevant energies. We derive equations connecting the cross sections for the binary direct and resonant reactions determined from the indirect TH reactions to direct cross sections measurements.