Photonuclear sum rules and the tetrahedral configuration of $^4$He

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dc.creatorGazit, Doron
dc.creatorBarnea, Nir
dc.creatorBacca, Sonia
dc.creatorLeidemann, Winfried
dc.creatorOrlandini, Giuseppina
dc.date2006-10-09
dc.date.accessioned2026-07-07T10:26:32Z
dc.date.available2026-07-07T10:26:32Z
dc.descriptionThree well known photonuclear sum rules (SR), i.e. the Thomas-Reiche-Kuhn, the bremsstrahlungs and the polarizability SR are calculated for 4He with the realistic nucleon-nucleon potential Argonne V18 and the three-nucleon force Urbana IX. The relation between these sum rules and the corresponding energy weighted integrals of the cross section is discussed. Two additional equivalences for the bremsstrahlungs SR are given, which connect it to the proton-neutron and neutron-neutron distances. Using them, together with our result for the bremsstrahlungs SR, we find a deviation from the tetrahedral symmetry of the spatial configuration of 4He. The possibility to access this deviation experimentally is discussed.
dc.description13 pages, 1 table
dc.identifierhttps://arxiv.org/abs/nucl-th/0610025
dc.identifierhttp://arxiv.org/abs/nucl-th/0610025
dc.identifierPhys.Rev.C74:061001,2006
dc.identifierdoi:10.1103/PhysRevC.74.061001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176911
dc.subjectNuclear Theory
dc.titlePhotonuclear sum rules and the tetrahedral configuration of $^4$He
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