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Effects of Pairing Correlations on the Isospin-Symmetry Correction to Super-Allowed 0+ → 0+ Fermi Transitions Within the Higher Tamm-Dancoff Approach
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | LE BLOAS, J. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | BONNEAU, L. | |
hal.structure.identifier | Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG] | |
dc.contributor.author | QUENTIN, P. | |
hal.structure.identifier | Institut Pluridisciplinaire Hubert Curien [IPHC] | |
dc.contributor.author | BARTEL, J. | |
dc.date.issued | 2011-02 | |
dc.identifier.issn | 0218-3013 | |
dc.description.abstractEn | Super-allowed 0+ → 0+ Fermi transitions provide a test at low energy of the Standard Model of elementary interactions. The isospin-symmetry breaking due to the electromagnetic interaction at a nuclear level is a fundamental theoretical tool for the understanding of weak processes beyond the Standard Model. Within the Higher Tamm-Dancoff description of correlated nuclear states, we calculate the isospin-symmetry breaking correction δc to the Fermi transition matrix element. A sensitivity study on the T = 0 pairing correlations is carried out and some tests of model ingredients are performed. The obtained correction is of the order of 0.15~0.2% for plausible strengths in the T = 1 and T = 0 channels of the residual interaction. This is expected to constitute a lower bound. | |
dc.language.iso | en | |
dc.publisher | World Scientific Publishing | |
dc.title.en | Effects of Pairing Correlations on the Isospin-Symmetry Correction to Super-Allowed 0+ → 0+ Fermi Transitions Within the Higher Tamm-Dancoff Approach | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1142/S0218301311017624 | |
dc.subject.hal | Physique [physics]/Physique Nucléaire Expérimentale [nucl-ex] | |
bordeaux.journal | International Journal of Modern Physics E | |
bordeaux.page | 274-280 | |
bordeaux.volume | 20 | |
bordeaux.peerReviewed | oui | |
hal.identifier | in2p3-00605513 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Non spécifiée | |
hal.origin.link | https://hal.archives-ouvertes.fr//in2p3-00605513v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=International%20Journal%20of%20Modern%20Physics%20E&rft.date=2011-02&rft.volume=20&rft.spage=274-280&rft.epage=274-280&rft.eissn=0218-3013&rft.issn=0218-3013&rft.au=LE%20BLOAS,%20J.&BONNEAU,%20L.&QUENTIN,%20P.&BARTEL,%20J.&rft.genre=article |
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