Rapp, W. and Heil, M. and Hentschel, D. and Kappeler, F. and Reifarth, R. and Brede, H. J. and Klein, H. and Rauscher, T.. (2002) Alpha- and neutron-induced reactions on ruthenium isotopes. Physical review. C, Nuclear physics, Vol. 66, H. 1 , 015803.
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Official URL: http://edoc.unibas.ch/dok/A5839296
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Abstract
The uncertain origin of the proton rich Mo and Ru isotopes has motivated cross-section measurements of alpha- and neutron-induced reactions. The experiments were performed via the activation technique by irradiating thin layers of natural ruthenium with alpha-particle beams close to the Gamov window of the p process between 7.0 and 10.5 MeV. The cross sections of the reactions Ru-96(alpha,gamma), Ru-96(alpha,n), Ru-96(alpha,p), and Ru-98(alpha,n) could be determined with uncertainties of typically 10 about two to three times smaller than recent statistical model predictions. Additional activations in a quasistellar neutron spectrum corresponding to kT=25 keV allowed us to obtain the complementary stellar (n,gamma) cross sections for Ru-96, Ru-102, and Ru-104. In these cases the agreement with model calculations is considerably better.
| Faculties and Departments: | 05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann) |
|---|---|
| UniBasel Contributors: | Rauscher, Thomas |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | American Institute of Physics |
| ISSN: | 0556-2813 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Identification Number: | |
| Last Modified: | 14 Sep 2012 07:18 |
| Deposited On: | 14 Sep 2012 06:45 |
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