New developments in lattice QCD: Calculation of flavor singlet nucleon matrix elements and hadron scattering lengths
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概要
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Recent developments in lattice QCD calculation of flavor singlet nucleon matrix elements are reviewed. Substantial sea quark contributions are found in the π-N σ term and the quark spin content of the nucleon such that the total magnitude including valence contributions is in reasonable agreement with experiments. Some problems with flavor non-singlet nucleon matrix elements are pointed out. Recent work on lattice QCD calculation of hadron scattering length is also discussed.
- Elsevier Science B.V.の論文
- 1996-00-00
Elsevier Science B.V. | 論文
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