QCD Sum Rules for Negative-Parity Baryons, S_<11>(1535) and Λ(1405)(Recent Developments in QCD and Hadron Physics)
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概要
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We propose a new interpolating field for S_<11>(1535) to determine its mass from QCD sum rules. In the nonrelativistic limit, this interpolating field dominantly reduces to two quarks in the s-wave state and one quark in the p-wave state. Using this interpolating field and applying the conventional QCD sum rule analysis, we find that the mass of S_<11> is reasonably close to the experimentally known value, even though the precise determination depends on the poorly known quark-gluon condensate. The sum rule for Λ(1405) is also discussed in this approach.
- 素粒子論グループ 素粒子研究編集部の論文
- 1997-07-20
著者
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Kim Hungchong
Department Of Physics Yonsei University
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Kim Hungchong
Department Of Physics Tokyo Institute Of Technology
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Lee Su
Department Of Anatomy School Of Medicine Kyungpook National University
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Lee Su
Department Of Physics Yonsei University
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