Heavy Quark Effective Theory, Interpolating Fields and Bethe-Salpeter Amplitudes

Details Heavy Quark Effective Theory, Interpolating Fields and Bethe-Salpeter Amplitudes Heavy Quark Effective Theory, Interpolating Fields and Bethe-Salpeter Amplitudes

1994-07-19

arxiv.org/abs/hep-ph/9407330v1

Phys.Lett.B335:205-210,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, IC/94/64

Scientific paper

10.1016/0370-2693(94)91414-1

We use the LSZ reduction theorem and interpolating fields, alongwith the
heavy quark effective theory, to investigate the structure of the
Bethe-Salpeter amplitude for heavy hadrons. We show how a simple form of this
amplitude, used extensively in heavy hadron decay calculations, follows
naturally upto $O(1/M)$ from these field theoretic considerations.

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