TTP98-24 Spectator Effects in Heavy Quark Effective Theory at O(1/m_Q^3)
TTP98-24 Spectator Effects in Heavy Quark Effective Theory at O(1/m_Q^3)
TTP98-24 Spectator Effects in Heavy Quark Effective Theory at O(1/m_Q^3)
We complete the one loop renormalization of the HQET lagrangian
at O(1/m_Q^3) including four fermion operators
with two heavy and two light quark fields in the operator basis.
It is shown that as a consequence the short distance coefficients
of the operators
bilinear in the heavy quark field receive nontrivial corrections.
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