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Neutrino-induced nucleosynthesis of A<64 nuclei : the νp process

Fröhlich, C. and Martinez-Pinedo, G. and Liebendörfer, M. and Thielemann, F. -K. and Bravo, E. and Hix, W. R. and Langanke, K. and Zinner, N. T.. (2006) Neutrino-induced nucleosynthesis of A<64 nuclei : the νp process. Physical review letters, Vol. 96 , 142502, 4 S..

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Official URL: http://edoc.unibas.ch/dok/A5253788

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Abstract

We present a new nucleosynthesis process that we denote as the #p process, which occurs in supernovae (and possibly gamma-ray bursts) when strong neutrino fluxes create proton-rich ejecta. In this process, antineutrino absorptions in the proton-rich environment produce neutrons that are immediately captured by neutron-deficient nuclei. This allows for the nucleosynthesis of nuclei with mass numbers A<64, making this process a possible candidate to explain the origin of the solar abundances of Mo92,94 and Ru96,98. This process also offers a natural explanation for the large abundance of Sr seen in a hyper-metal-poor star.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Astrophysik (Liebendörfer)
05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Liebendörfer, Matthias and Fröhlich, Carla and Thielemann, Friedrich-Karl
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Physical Society
ISSN:0031-9007
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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