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Search for CP violation in B+/- --> J/psiK+/- and B+/- --> psi(2S)K+/- decays.

Abstract:
We present a search for direct CP violation in B+/--->J/psiK+/- and B+/--->psi(2S)K+/- decays. In a sample of 9.7x10(6) BandBmacr; meson pairs collected with the CLEO detector, we have fully reconstructed 534 B+/--->J/psiK+/- and 120 B+/--->psi(2S)K+/- decays with very low background. We have measured the CP-violating charge asymmetry to be [+1.8+/-4.3(stat)+/-0.4(syst)]% for B+/--->J/psiK+/- and [+2.0+/-9. 1(stat)+/-1.0(syst)]% for B+/--->psi(2S)K+/-.
Publication status:
Published

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Publisher copy:
10.1103/physrevlett.84.5940

Authors


Bonvicini, G More by this author
Cinabro, D More by this author
Perera, LP More by this author
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Journal:
Physical review letters
Volume:
84
Issue:
26 Pt 1
Pages:
5940-5944
Publication date:
2000-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:4b8e0536-6d1c-4ad1-b9e4-b1500ef8d04b
Source identifiers:
2326
Local pid:
pubs:2326
Language:
English

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