Mass measurements of {sup 70}Se, {sup 71}Se, {sup 72}Br, and {sup 73}Br

The path and termination point for the rapid proton-capture (rp) process above {sup 56}Ni is uncertain due to a lack of knowledge of nuclear properties, especially masses, near the proton drip line. To address this need we have begun a program to measure masses along the rp-process path in the A{app...

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Veröffentlicht in:Physical review. C, Nuclear physics Nuclear physics, 2001-03, Vol.63 (3)
Hauptverfasser: Tomlin, B. E., Barton, C. J., Zamfir, N. V., Caprio, M. A., Gill, R. L., Kru''cken, R., Novak, J. R., Cooper, J. R., Zyromski, K. E., Cata-Danil, G.
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container_issue 3
container_start_page
container_title Physical review. C, Nuclear physics
container_volume 63
creator Tomlin, B. E.
Barton, C. J.
Zamfir, N. V.
Caprio, M. A.
Gill, R. L.
Kru''cken, R.
Novak, J. R.
Cooper, J. R.
Zyromski, K. E.
Cata-Danil, G.
description The path and termination point for the rapid proton-capture (rp) process above {sup 56}Ni is uncertain due to a lack of knowledge of nuclear properties, especially masses, near the proton drip line. To address this need we have begun a program to measure masses along the rp-process path in the A{approx}60--80 region using {beta}-{gamma} coincidence spectroscopy. Q{sub EC} values derived from {beta}{sup +} spectrum end points were used to calculate mass excess values for {sup 70}Se, {sup 71}Se, {sup 72}Br, and {sup 73}Br. The results are compared to predictions of mass models and to estimates based on systematic trends in this region.
doi_str_mv 10.1103/PhysRevC.63.034314
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subjects NUCLEAR PROPERTIES
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PROTONS
SPECTROSCOPY
title Mass measurements of {sup 70}Se, {sup 71}Se, {sup 72}Br, and {sup 73}Br
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