Non-standard semileptonic hyperon decays

Abstract : We investigate the discovery potential of semileptonic hyperon decays in terms of searches of new physics at teraelectronvolt scales. These decays are controlled by a small $SU(3)$-flavor breaking parameter that allows for systematic expansions and accurate predictions in terms of a reduced dependence on hadronic form factors. We find that muonic modes are very sensitive to non-standard scalar and tensor contributions and demonstrate that these could provide a powerful synergy with direct searches of new physics at the LHC.
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Contributeur : Sylvie Flores <>
Soumis le : jeudi 16 avril 2015 - 10:44:21
Dernière modification le : jeudi 15 mars 2018 - 11:40:09

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Hsi-Ming Chang, M. González-Alonso, J.M. Camalich. Non-standard semileptonic hyperon decays. Physical Review Letters, American Physical Society, 2015, 114, pp.161802. 〈10.1103/PhysRevLett.114.161802〉. 〈in2p3-01142863〉



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