TOF-Bρ mass measurements of very exotic nuclides for astrophysical calculations at the NSCL

M. Matoš, A. Estrade, M. Amthor, A. Aprahamian, D. Bazin, A. Becerril, T. Elliot, D. Galaviz, A. Gade, S. Gupta, G. Lorusso, F. Montes, J. Pereira, M. Portillo, A. M. Rogers, H. Schatz, D. Shapira, E. Smith, A. Stolz, M. Wallace

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Abstract

Atomic masses play a crucial role in many nuclear astrophysics calculations. The lack of experimental values for relevant exotic nuclides triggered a rapid development of new mass measurement devices around the world. The time-of-flight (TOF) mass measurements offer a complementary technique to the most precise one, Penning trap measurements (Blaum 2006 Phys. Rep. 425 1), the latter being limited by the rate and half-lives of the ions of interest. The NSCL facility provides a well-suited infrastructure for the TOF mass measurements of very exotic nuclei. At this facility, we have recently implemented a TOF-Bρ technique and performed mass measurements of neutron-rich nuclides in the Fe region, important for r-process calculations and for calculations of processes occurring in the crust of accreting neutron stars.

Original languageEnglish
Article number014045
JournalJournal of Physics G: Nuclear and Particle Physics
Volume35
Issue number1
DOIs
StatePublished - 2008

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