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The Charm Quark on the Lattice

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arxiv hep-lat/9211043 v1 pith:VAAHXGTC submitted 1992-11-16 hep-lat

The Charm Quark on the Lattice

classification hep-lat
keywords actioncharmfermionslatticequarkwilsonapprox1approximations
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

We formulate lattice fermions in a way that encompasses Wilson fermions as well as the static and non-relativistic approximations. In particular, we treat $m_qa$ systematically ($m_q$ is the fermion mass) showing how to understand the Wilson action as an effective action for systems with $\vek{p}\ll m_q$. The results show how to extract matrix elements and the spectrum from simulations with $m_qa\approx1$, which is relevant for the charm quark.

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