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Measurement of the CP-violation parameter of B0 mixing and decay with pp̄→μμX data

Abstract:

We measure the dimuon charge asymmetry A in pp̄ collisions at a center of mass energy s=1960GeV. The data was recorded with the D0 detector and corresponds to an integrated luminosity of approximately 1.0fb-1. Assuming that the asymmetry A is due to asymmetric B0↔B̄0 mixing and decay, we extract the CP-violation parameter of B0 mixing and decay: ( B0)1+| B0|2=AB04=-0.0023±0.0011(stat)±0.0008(syst).AB0 is the dimuon charge asymmetry from decays of B0B̄0 pairs. The general case, with CP violati...

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Publisher copy:
10.1103/PhysRevD.74.092001

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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
74
Issue:
9
Publication date:
2006-01-01
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:db95da72-5c68-4fa7-92bc-2f375d9aeb20
Source identifiers:
103471
Local pid:
pubs:103471
Language:
English

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