3He(alpha,gamma)7Be cross section at low energies

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dc.creatorGyurky, Gy.
dc.creatorConfortola, F.
dc.creatorCostantini, H.
dc.creatorFormicola, A.
dc.creatorBemmerer, D.
dc.creatorBonetti, R.
dc.creatorBroggini, C.
dc.creatorCorvisiero, P.
dc.creatorElekes, Z.
dc.creatorFulop, Zs.
dc.creatorGervino, G.
dc.creatorGuglielmetti, A.
dc.creatorGustavino, C.
dc.creatorImbriani, G.
dc.creatorJunker, M.
dc.creatorLaubenstein, M.
dc.creatorLemut, A.
dc.creatorLimata, B.
dc.creatorLozza, V.
dc.creatorMarta, M.
dc.creatorMenegazzo, R.
dc.creatorPrati, P.
dc.creatorRoca, V.
dc.creatorRolfs, C.
dc.creatorAlvarez, C. Rossi
dc.creatorSomorjai, E.
dc.creatorStraniero, O.
dc.creatorStrieder, F.
dc.creatorTerrasi, F.
dc.creatorTrautvetter, H. P.
dc.date2007-02-05
dc.date.accessioned2026-07-07T11:23:50Z
dc.date.available2026-07-07T11:23:50Z
dc.descriptionThe flux of 7Be and 8B neutrinos from the Sun and the production of 7Li via primordial nucleosynthesis depend on the rate of the 3He(alpha,gamma)7Be reaction. In extension of a previous study showing cross section data at 127 - 167 keV center of mass energy, the present work reports on a measurement of the 3He(alpha,gamma)7Be cross section at 106 keV performed at Italy's Gran Sasso underground laboratory by the activation method. This energy is closer to the solar Gamow energy than ever reached before. The result is sigma = 0.567 +- 0.029(stat) +- 0.016(syst) nbarn. The data are compared with previous activation studies at high energy, and a recommended S(0) value for all 3He(alpha,gamma)7Be activation studies, including the present work, is given.
dc.descriptionAccepted for publication in PRC
dc.identifierhttps://arxiv.org/abs/nucl-ex/0702003
dc.identifierhttp://arxiv.org/abs/nucl-ex/0702003
dc.identifierPhys.Rev.C75:035805,2007
dc.identifierdoi:10.1103/PhysRevC.75.035805
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195025
dc.subjectNuclear Experiment
dc.subjectAstrophysics
dc.title3He(alpha,gamma)7Be cross section at low energies
dc.typetext

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