The heavy quark's self energy from moving NRQCD on the lattice

Details The heavy quark's self energy from moving NRQCD on the lattice The heavy quark's self energy from moving NRQCD on the lattice

2004-09-15

arxiv.org/abs/hep-lat/0409088v1

Physics

High Energy Physics

High Energy Physics - Lattice

Talk given at Lattice2004(heavy), Fermilab, June 21-26, 2004

Scientific paper

10.1016/j.nuclphysbps.2004.11.34

We present a calculation of the heavy quark's self energy in moving NRQCD to
one-loop in perturbation theory. Results for the energy shift and external
momentum renormalisation are discussed and compared with non-perturbative
results. We show that the momentum renormalisation is small, which is the
result of a remnant of re-parameterisation invariance on the lattice.

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