Strong phases and D0-anti-D0 mixing parameters

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Published 17 January 2000 • Published under licence by IOP Publishing Ltd
, , Citation Adam F. Falk and Alexey A. Petrov JHEP12(1999)019 DOI 10.1088/1126-6708/1999/12/019

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Author affiliations

1 Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA

2 Department of Particle Physics, Weizmann Institute of Science, Rehovot 76100, Israel

3 School of Natural Sciences, Institute for Advanced Study, Princeton, New Jersey 08540, USA

Dates

  1. Received 23 November 1999
  2. Accepted 16 December 1999
  3. Published

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1126-6708/1999/12/019

Abstract

We argue that there could be significant SU(3) violating resonance contributions to D→Kπ decays which would affect the extraction of the D0−bar D0 mixing parameters from experiment. Such contributions can induce a strong phase in the interference between the doubly Cabibbo suppressed and the mixing induced Cabibbo favored contributions to the D0→K+π− and bar D0→K−π+ decays. Consequently, the interpretation of a large, CP conserving interference term can involve a large mass difference ΔM rather than a large width difference ΔΓ.

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10.1088/1126-6708/1999/12/019