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Measurement of time-dependent CP asymmetries and constraints on sin(2β + γ) with partial reconstruction of B0 → D*±π± decays

Abstract:
The time-dependent CP-violating asymmetries in partial reconstruction of B0 → D*=∓π∓ decays and constraints on sin(2β + γ) were investigated. The events containing decays were selected with partial reconstruction technique in which only high-momentum π∓ from the B decay and low-momentum π+ from D*∓ were used. The analysis was carried out with series of unbinned maximum-likelihood fits, which were performed simultaneously on the on- and off-resonance data samples. The amplitude of asymmetry was observed to be -0.063∓0.024(stat)∓0.014(stat).

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Authors


Boutigny, D More by this author
Couderc, F More by this author
Gaillard, J-M More by this author
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Journal:
Physical Review Letters
Volume:
92
Issue:
25 I
Publication date:
2004-06-25
DOI:
ISSN:
0031-9007
URN:
uuid:6232a964-6d53-471a-af78-7b1de728822d
Source identifiers:
228659
Local pid:
pubs:228659
Language:
English

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