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Nonstandard semileptonic hyperon decays
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.
Physical Review Letters
|May 9, 2015
Summary
Semileptonic hyperon decays offer new physics discovery potential at teraelectronvolt scales. Muonic modes are sensitive to nonstandard contributions, complementing direct searches at the Large Hadron Collider (LHC).
Area of Science:
- Particle Physics
- High-Energy Physics
- Beyond Standard Model Physics
Background:
- Semileptonic hyperon decays are sensitive probes of fundamental interactions.
- SU(3)-flavor symmetry breaking provides a framework for theoretical predictions.
- Terascale physics searches require precise theoretical tools.
Purpose of the Study:
- To explore the discovery potential of semileptonic hyperon decays for new physics.
- To investigate new physics at teraelectronvolt scales using these decays.
- To assess the sensitivity to nonstandard scalar and tensor contributions.
Main Methods:
- Utilizing systematic expansions based on SU(3)-flavor symmetry breaking.
- Calculating predictions with reduced dependence on hadronic form factors.
- Analyzing muonic decay modes for sensitivity to new physics.
Main Results:
- Semileptonic hyperon decays show significant potential for discovering new physics.
- Muonic decay modes exhibit high sensitivity to nonstandard scalar and tensor interactions.
- The findings suggest a synergy between decay studies and direct collider searches.
Conclusions:
- Semileptonic hyperon decays are powerful tools for exploring teraelectronvolt-scale new physics.
- Muonic modes provide a unique window into nonstandard contributions.
- These decays complement direct searches at the Large Hadron Collider (LHC).
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