The gauge technique for heavy quarks

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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12 pages, RevTex format. Typographical errors corrected (factors of 2 in eqs 25 and 26)

Scientific paper

10.1103/PhysRevD.56.27

It is possible to determine a propapagator for heavy quarks to order 1/m in
any covariant gauge, which applies universally to all quarks, by using the
gauge technique. The leading behaviour is given by a _0F_2 function and the
result is reliable in the infrared limit, accounting for soft-gluon corrections
to the quark in internal loops.

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