Toward an Understanding of Short Distance Repulsions among Baryons in QCD : NBS Wave Functions and Operator Product Expansion(Particles and Fields)
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概要
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We report on our recent attempts to determine the short distance behaviors of general 2-baryon and 3-baryon forces, which are defined from the Nambu-Bethe-Salpeter (NBS) wave function, by using the operator product expansion and a renormalization group analysis in QCD. We have found that the repulsion at short distance increases as the number of valence quarks increases or when the number of different flavors involved decreases. This global tendency suggests a Pauli suppression principle among quark fields at work.
- 2012-12-25
著者
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Aoki Sinya
Graduate School Of Pure And Applied Sciences University Of Tsukuba
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Weisz Peter
Max-planck-institut Fur Physik
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BALOG Janos
Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics
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AOKI Sinya
Graduate School of Pure and Applied Sciences, University of Tsukuba:Center for Computational Sciences, University of Tsukuba
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- Toward an Understanding of Short Distance Repulsions among Baryons in QCD : NBS Wave Functions and Operator Product Expansion(Particles and Fields)