Neutron capture on 130Sn during r-process freeze-out

J. Beun; J. C. Blackmon; W. R. Hix; G. C. McLaughlin; M. S. Smith; R. Surman

doi:10.1088/0954-3899/36/2/025201

Neutron capture on ¹³⁰Sn during r-process freeze-out

J. Beun, J. C. Blackmon, W. R. Hix, G. C. McLaughlin, M. S. Smith, R. Surman

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Abstract

We examine the role of neutron capture on ¹³⁰Sn during r-process freeze-out in the neutrino-driven wind environment of the core-collapse supernova. We find that the global r-process abundance pattern is sensitive to the magnitude of the neutron capture cross section of ¹³⁰Sn. The changes to the abundance pattern include not only a relative decrease in the abundance of ¹³⁰Sn and an increase in the abundance of ¹³¹Sn, but also a shift in the distribution of material in the rare earth and third peak regions.

Original language	English
Article number	025201
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	36
Issue number	2
DOIs	https://doi.org/10.1088/0954-3899/36/2/025201
State	Published - 2009

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abstract = "We examine the role of neutron capture on 130Sn during r-process freeze-out in the neutrino-driven wind environment of the core-collapse supernova. We find that the global r-process abundance pattern is sensitive to the magnitude of the neutron capture cross section of 130Sn. The changes to the abundance pattern include not only a relative decrease in the abundance of 130Sn and an increase in the abundance of 131Sn, but also a shift in the distribution of material in the rare earth and third peak regions.",

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AU - Surman, R.

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AB - We examine the role of neutron capture on 130Sn during r-process freeze-out in the neutrino-driven wind environment of the core-collapse supernova. We find that the global r-process abundance pattern is sensitive to the magnitude of the neutron capture cross section of 130Sn. The changes to the abundance pattern include not only a relative decrease in the abundance of 130Sn and an increase in the abundance of 131Sn, but also a shift in the distribution of material in the rare earth and third peak regions.

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Neutron capture on ¹³⁰Sn during r-process freeze-out

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