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Title: Measurement of CP-violating asymmetries in B0 → (ρπ)0 using a time-dependent Dalitz plot analysis
Author: Garra Ticó, Jordi
Graugés Pous, Eugeni
BABAR Collaboration
Keywords: Física de partícules
Violació CP (Física nuclear)
Particle physics
CP violation (Nuclear physics)
Issue Date: 18-Jul-2007
Publisher: American Physical Society
Abstract: We report a measurement of C P -violating asymmetries in B 0 → ( ρ π ) 0 → π + π − π 0 decays using a time-dependent Dalitz plot analysis. The results are obtained from a data sample of 375 × 10 6 Υ ( 4 S ) → B ¯¯¯ B decays, collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure 26 coefficients of the bilinear form-factor terms occurring in the time-dependent decay rate of the B 0 meson. We derive the physically relevant quantities from these coefficients. In particular, we measure a constraint on the angle α of the unitarity triangle.
Note: Reproducció del document publicat a:
It is part of: Physical Review D, 2007, vol. 76, num. 1, p. 012004
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ISSN: 1550-7998
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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