rp Process and Masses of NZ34 Nuclides

J. Savory, P. Schury, C. Bachelet, M. Block, G. Bollen, M. Facina, C. M. Folden, III, C. Guénaut, E. Kwan, A. A. Kwiatkowski, D. J. Morrissey, G. K. Pang, A. Prinke, R. Ringle, H. Schatz, S. Schwarz, and C. S. Sumithrarachchi
Phys. Rev. Lett. 102, 132501 – Published 30 March 2009

Abstract

High-precision Penning-trap mass measurements of the NZ34 nuclides Se68, Se70, Br70m, and Br71 were performed, reaching experimental uncertainties of 0.5–15 keV. The new and improved mass data together with theoretical Coulomb displacement energies were used as input for rp process network calculations. An increase in the effective lifetime of the waiting point nucleus Se68 was found, and more precise information was obtained on the luminosity during a type I x-ray burst along with the final elemental abundances after the burst.

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  • Received 10 October 2008

DOI:https://doi.org/10.1103/PhysRevLett.102.132501

©2009 American Physical Society

Authors & Affiliations

J. Savory*, P. Schury, C. Bachelet, M. Block, G. Bollen, M. Facina, C. M. Folden, III, C. Guénaut, E. Kwan, A. A. Kwiatkowski, D. J. Morrissey, G. K. Pang, A. Prinke, R. Ringle, H. Schatz, S. Schwarz, and C. S. Sumithrarachchi

  • National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA

  • *savory@nscl.msu.edu

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Vol. 102, Iss. 13 — 3 April 2009

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