Two-body Dirac equation approach to the deuteron

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dc.contributor.authorGaleão, A. P. [UNESP]
dc.contributor.authorCastilho Alcarás, J. A. [UNESP]
dc.contributor.authorLeal Ferreira, P. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:19:39Z
dc.date.available2014-05-27T11:19:39Z
dc.date.issued1998-12-01
dc.description.abstractThe two-body Dirac(Breit) equation with potentials associated to one-boson-exchanges with cutoff masses is solved for the deuteron and its observables calculated. The 16-component wave-function for the Jπ = 1+ state contains four independent radial functions which satisfy a system of four coupled differential equations of first order. This system is numerically integrated, from infinity towards the origin, by fixing the value of the deuteron binding energy and imposing appropriate boundary conditions at infinity. For the exchange potential of the pion, a mixture of direct plus derivative couplings to the nucleon is considered. We varied the pion-nucleon coupling constant, and the best results of our calculations agree with the lower values recently determined for this constant.en
dc.description.affiliationInst. de Fis. Teórica Universidade Estadual Paulista, Rua Pamplona, 145, São Paulo, S.P., 01405-900
dc.description.affiliationUnespInst. de Fis. Teórica Universidade Estadual Paulista, Rua Pamplona, 145, São Paulo, S.P., 01405-900
dc.format.extent89-106
dc.identifierhttp://dx.doi.org/10.1142/S021830139800004X
dc.identifier.citationInternational Journal of Modern Physics E, v. 7, n. 1, p. 89-106, 1998.
dc.identifier.doi10.1142/S021830139800004X
dc.identifier.issn0218-3013
dc.identifier.scopus2-s2.0-0032345054
dc.identifier.urihttp://hdl.handle.net/11449/65617
dc.identifier.wosWOS:000072394400003
dc.language.isoeng
dc.relation.ispartofInternational Journal of Modern Physics E
dc.relation.ispartofjcr1.615
dc.relation.ispartofsjr0,687
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.titleTwo-body Dirac equation approach to the deuteronen
dc.typeArtigo
dcterms.licensehttp://www.worldscientific.com/page/authors/author-rights
unesp.author.lattes3161960405091076[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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