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APS » Journals » Phys. Rev. Lett. » Volume 99 » Issue 13
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Phys. Rev. Lett. 99, 132701 (2007) [4 pages]

Tidal Effects and the Proximity Decay of Nuclei

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A. B. McIntosh, S. Hudan, C. J. Metelko, and R. T. de Souza
Department of Chemistry and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405, USA

R. J. Charity and L. G. Sobotka
Department of Chemistry, Washington University, St. Louis, Missouri 63130, USA

W. G. Lynch and M. B. Tsang
National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA

Received 10 August 2006; revised 30 March 2007; published 27 September 2007

We examine the decay of the 3.03 MeV state of 8Be evaporated from an excited projectilelike fragment following a peripheral heavy-ion collision. The relative energy of the daughter α particles exhibits a dependence on the decay angle of the 8Be*, indicative of a tidal effect. A comparison of the measured tidal effect with a model suggests a measurable nuclear proximity interaction.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.132701
DOI:
10.1103/PhysRevLett.99.132701
PACS:
25.70.Ef, 21.10.Tg, 25.70.Mn
 
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