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Updated: Jul 18, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Exotic hadrons in s-wave chiral dynamics
Tetsuo Hyodo1, Daisuke Jido, Atsushi Hosaka
1Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan.
We investigated hadron-Nambu-Goldstone boson scattering using low-energy interactions. Our findings indicate that attractive forces in exotic channels are too weak to form bound states, suggesting limited exotic hadron-Nambu-Goldstone boson interactions.
Area of Science:
- * Particle Physics
- * Quantum Field Theory
- * Hadron Spectroscopy
Background:
- * Investigates low-energy interactions between hadrons and Nambu-Goldstone bosons.
- * Focuses on the flavor SU(3) symmetric limit for model-independent analysis.
- * Explores the role of group theoretical arguments in defining interactions.
Purpose of the Study:
- * To establish the general structure of s-wave scattering interactions.
- * To determine the nature (attractive or repulsive) of interactions in exotic channels.
- * To ascertain if bound states can be formed in these exotic channels.
Main Methods:
- * Applied group theoretical arguments to define the interaction structure.
- * Solved the s-wave scattering problem analytically.
- * Analyzed coupling strengths in various interaction channels.
Main Results:
- * Interactions in most exotic channels were found to be repulsive.
- * For attractive channels, coupling strengths are weak and uniquely determined.
- * The calculated attraction is insufficient to generate bound states.
Conclusions:
- * No bound states are predicted in the studied exotic channels.
- * The findings constrain models of hadron-Nambu-Goldstone boson interactions.
- * Emphasizes the model-independent nature of the results within the flavor SU(3) limit.
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