Nucleosynthesis at the proton drip line - a challenge for nuclear physics

Schatz, H. and Bildsten, L. and Gorres, J. and Rauscher, T. and Thielemann, F. K. and Wiescher, M.. (1998) Nucleosynthesis at the proton drip line - a challenge for nuclear physics. In: Tours Symposium on Nuclear Physics III : Tours, France September 1997. Woodbury, NY, pp. 559-568.

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Official URL: http://edoc.unibas.ch/dok/A5839340

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The rp-process in X-ray bursts is investigated using a complete and updated nuclear reaction network from H to Sr, that is coupled to a one dimensional, one zone X-ray burst model. In particular we consider 2p-capture reactions that can bridge proton unbound nuclei and therefore accelerate the reaction flow. This allows for the first time the calculation of the actual endpoint of the rp-process. We find that for a 25 s burst the reaction flow reaches already Cd. The consequences for energy production, final composition of the ashes and fuel consumption are discussed. In addition, the influence of the current uncertainties in the nuclear physics data base on the results is investigated and the parameters for which a future experimental determination is most desirable are identified.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Note:Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:08 Jun 2012 06:54
Deposited On:08 Jun 2012 06:33

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