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Browsing by Author "Staudt, G."
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Alpha-clustering and the stellar nucleosynthesis of carbon
Oberhummer, H.; Krauss, H.; Grun, K.; Rauscher, T.; Abele, H.; Mohr, P.; Staudt, G. (1994-09)The astrophysical S-factor and reaction rates for the triple-alpha process are calculated in the direct-capture model. It is shown that the stellar carbon production is extremely sensitive to small variations in the N-N ... -
Calculation of the He-3(He-3, 2p)He-4 AND H-3(H-3, 2N)He-4 astrophysical S-factor at low energies
Winkler, S.; Krauss, H.; Grun, K.; Rauscher, T.; Oberhummer, H.; Abele, H.; Staudt, G. (1992-08)We have calculated the cross sections for the charge symmetric reactions He-3(He-3,2p)He-4 and He-3(He-3,2p)He-4 at sub-Coulomb energies in the potential model. Good agreement with the experimental data is obtained. The ... -
Mo-92(alpha,alpha)Mo-92 scattering, the Mo-92-alpha optical potential, and the Ru-96(gamma,alpha)Mo-92 reaction rate at astrophysically relevant energies
Fulop, Zs.; Gyurky, Gy.; Mate, Z.; Somorjai, E.; Zolnai, L.; Galaviz, D.; Babilon, M.; Mohr, P.; Zilges, A.; Rauscher, T.; Oberhummer, H.; Staudt, G. (2001-12)The elastic scattering cross section of (MO)-M-92(alpha,alpha)Mo-92 has been measured at energies of E-c.m. approximate to 13, 16, and 19 MeV in a wide angular range. The real and imaginary parts of the optical potential ... -
Sm-144-alpha optical potential at astrophysically relevant energies derived from Sm-144(alpha,alpha) Sm-144 elastic scattering
Mohr, P.; Rauscher, T.; Oberhummer, H.; Mate, Z.; Fulop, Zs.; Somorjai, E.; Jaeger, M.; Staudt, G. (1997-03)For the determination of the Sm-144-alpha optical potential we measured the angular distribution bf Sm-144(alpha, alpha)Sm-144 scattering at the energy E(lab)=20 MeV with high accuracy. Using the known systematics pf ...