arxiv: hep-lat/0110178 · v1 · submitted 2001-10-22 · ✦ hep-lat

Heavy quark expansion parameters from lattice NRQCD

JLQCD Collaboration: N. Tsutsui , S. Aoki , R. Burkhalter , M. Fukugita , S. Hashimoto , K-I. Ishikawa , N. Ishizuka , Y. Iwasaki

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K. Kanaya T. Kaneko Y. Kuramashi M. Okawa T. Onogi S. Tominaga A. Ukawa N. Yamada T. Yoshi\'e

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classification ✦ hep-lat

keywords heavylatticequarkexpansionnrqcdparametersactionbaryons

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Using the lattice NRQCD action for heavy quark, we calculate the heavy quark expansion parameters $\mu_{\pi}^2$ and $\mu_G^2$ for heavy-light mesons and heavy-light-light baryons. The results are compared with the mass differences among heavy hadrons to test the validity of HQET relations on the lattice.

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Heavy quark expansion parameters from lattice NRQCD

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