Hyperon nonleptonic decays that change strangeness by two units, such as Xi -> N pi and Omega- -> Lambda pi-, are expected to have tiny branching ratios in the standard model. Such processes are, therefore, potentially sensitive tools in the search for new physics beyond the standard model. This talk addresses the current predictions for these transitions in the standard model and presents some new-physics scenarios which could enhance them considerably. Although constraints from kaon-mixing data are consequential, it is possible for new physics to amplify the rates of Delta S=2 nonleptonic hyperon decays to levels that can be probed in future quests by BESIII and LHCb and at the proposed Super Tau-Charm Factory.
About the speaker:
Jusak Tandean received his Ph.D. degree in physics from the University of Massachusetts Amherst. He has held academic positions in the U.S. and Taiwan and presently resides in Indonesia. His research focuses on particle phenomenology including flavor and dark-matter physics.
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Zoom link: https://us06web.zoom.us/j/82051227849?pwd=WWNPblRoYXIwYTVscEs0Z1FyWW0wdz09
Zoom ID: 82051227849
Zoom password: 123456