Nonstandard semileptonic hyperon decays
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Updated: Apr 12, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Hsi-Ming Chang1, Martin González-Alonso2, Jorge Martin Camalich1,3
1Department of Physics, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0319, USA.
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 nonstandard 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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