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Measurement of partial widths and search for direct CP violation in D0 meson decays to K-K+ and pi-pi+.

Abstract:

We present a measurement of relative partial widths and decay rate CP asymmetries in K-K+ and pi(-)pi(+) decays of D0 mesons produced in pp collisions at sqrt[s]=1.96 TeV. We use a sample of 2x10(5) D(*+)-->D0pi(+) (and charge conjugate) decays with the D0 decaying to K-pi(+), K-K+, and pi(-)pi(+), corresponding to 123 pb(-1) of data collected by the Collider Detector at Fermilab II experiment at the Fermilab Tevatron collider. No significant direct CP violation is observed. We measure Gam...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
94
Issue:
12
Pages:
122001
Publication date:
2005-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:b511b3af-bd01-4154-8fc6-8d7ba207eb96
Source identifiers:
16007
Local pid:
pubs:16007
Language:
English
Keywords:

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