Electroweak interactions in a relativistic Fermi gas

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dc.creatorVantournhout, K.
dc.creatorJachowicz, N.
dc.creatorRyckebusch, J.
dc.date2006-02-14
dc.date2006-08-16
dc.date.accessioned2026-07-07T10:46:54Z
dc.date.available2026-07-07T10:46:54Z
dc.descriptionWe present a relativistic model for computing the neutrino mean free path in neutron matter. Thereby, neutron matter is described as a non-interacting Fermi gas in beta-equilibrium. We present results for the neutrino mean free path for temperatures from 0 up to 50 MeV and a broad range of neutrino energies. We show that relativistic effects cause a considerable enhancement of neutrino-scattering cross-sections in neutron matter. The influence of the $Q^2$-dependence in the electroweak form factors and the inclusion of a weak magnetic term in the hadron current is discussed. The weak-magnetic term in the hadron current is at the origin of some selective spin dependence for the nucleons which are subject to neutrino interactions.
dc.description11 pages, 7 figures, accepted to Phys. Rev. C, minor changes and updates of the figures are made
dc.identifierhttps://arxiv.org/abs/nucl-th/0602045
dc.identifierhttp://arxiv.org/abs/nucl-th/0602045
dc.identifierPhys.Rev.C74:035501,2006
dc.identifierdoi:10.1103/PhysRevC.74.035501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/183391
dc.subjectNuclear Theory
dc.titleElectroweak interactions in a relativistic Fermi gas
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