A New Precision Measurement of the 3He(4He,gamma)7Be Cross section

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dc.creatorSingh, B. S. Nara
dc.creatorHass, M.
dc.creatorNir-El, Y.
dc.creatorHaquin, G.
dc.date2004-07-16
dc.date.accessioned2026-07-07T10:30:28Z
dc.date.available2026-07-07T10:30:28Z
dc.descriptionThe 3He(4He,gamma)7Be reaction plays an important role in determining the high energy solar neutrino flux and in understanding the abundances of primordial 7Li. The present paper reports a new precision measurement of the cross sections of this direct capture reaction, determined by measuring the ensuing 7Be activity in the region of Ec.m.=400 keV to 950 keV. Various recent theoretical fits to our data result in a consistent extrapolated value of S34(0)=0.53(2)(1).
dc.description10 pages 3 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0407017
dc.identifierhttp://arxiv.org/abs/nucl-ex/0407017
dc.identifierPhys.Rev.Lett.93:262503,2004
dc.identifierdoi:10.1103/PhysRevLett.93.262503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178139
dc.subjectNuclear Experiment
dc.titleA New Precision Measurement of the 3He(4He,gamma)7Be Cross section
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