Solution of $a_2/a_1$ sign problem in heavy meson decays: nonfactorizable soft gluons in nonleptonic heavy meson decays

Details Solution of $a_2/a_1$ sign problem in heavy meson decays: nonfactorizable soft gluons in nonleptonic heavy meson decays Solution of $a_2/a_1$ sign problem in heavy meson decays: nonfactorizable soft gluons in nonleptonic heavy meson decays

1997-12-26

arxiv.org/abs/hep-ph/9712527v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages. talk given at the APCTP workshop: Pacific Particle physics Phenomenology 31 Oct.-2 Nov.,1997,Seoul, Korea

Scientific paper

For the first time, a solution to the $a_2/a_1$ sign problem in heavy meson
decay based on PQCD factorization theorems. The point is to include QCD
evolution effort characteristic scales involved in decay processes.

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