|Delta F| = 1 Nonleptonic Effective Hamiltonian in a Simpler Scheme

Details |Delta F| = 1 Nonleptonic Effective Hamiltonian in a Simpler Scheme |Delta F| = 1 Nonleptonic Effective Hamiltonian in a Simpler Scheme

1997-11-10

arxiv.org/abs/hep-ph/9711280v1

Nucl.Phys.B520:279-297,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 7 figures, uses epsf.sty

Scientific paper

10.1016/S0550-3213(98)00131-X

We consider |\Delta F| = 1 (F = S,C or B) nonleptonic effective hamiltonian in a renormalization scheme which allows to consistently use fully anticommuting gamma_5 at any number of loops, but at the leading order in the Fermi coupling G_F. We calculate two-loop anomalous dimensions and one-loop matching conditions for the effective operators in this scheme. Finally, we transform our results to one of the previously used renormalization schemes, and find agreement with the original calculations.

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