Spectroscopy of ^27P and ^23Al with the S800 Spectrograph at MSU

Details Spectroscopy of ^27P and ^23Al with the S800 Spectrograph at MSU Spectroscopy of ^27P and ^23Al with the S800 Spectrograph at MSU

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aps..dnp..bd08c&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, October 20-23, 1999 Pacific Grove, CA, abstract #BD.08

Physics

Nuclear Physics

Scientific paper

The S800 spectrograph at MSU was used to perform spectroscopic measurements of the ^24Mg(^7Li,^8He)^23Al and ^28Si(^7Li,^8He)^27P reactions. The purpose of the experiment was to measure the first excited levels in these two nuclei which dominate the resonant proton capture on ^22Mg and ^26Si in the rp-process in novae and x-ray bursts. Masses and excited states of both ^23Al and ^27P were measured. Several states in these nuclei were measured for the first time. The first excited state of ^23Al was resolved from the ground state for the first time and found to be at 550(20) keV. The first excited state of ^27P was observed for the first time and found to be at 1.119(19) MeV. Astrophysical implications of the new results to nucleosynthesis in rp-process sites will be discussed.

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