Physics – Nuclear Physics
Scientific paper
Nov 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvc..52.2298t&link_type=abstract
Physical Review C (Nuclear Physics), Volume 52, Issue 5, November 1995, pp.R2298-R2301
Physics
Nuclear Physics
19
Relation With Nuclear Matrix Elements And Nuclear Structure, Decay By Proton Emission, 20<=A<=38, Elementary Particle Processes
Scientific paper
Utilizing the 24Mg(p,2n) reaction and unique particle telescopes, beta-delayed proton emission from 23Al proceeding via its isobaric analog state in 23Mg has been observed. The relevant proton group was detected at 223+/-20 keV with a proton decay branching ratio of 3.5+/-1.9 %. The proton width determined for this state is approximately an order of magnitude larger than that predicted by a full-basis 1s-0d shell model calculation which includes the expected isospin mixing. In addition, the resulting resonance strength (45+/-25 meV) has important astrophysical implications.
Batchelder Jon C.
Brown Alex B.
Cerny Joseph
Moltz D. M.
Ognibene T. J.
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