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Measurement of the time-dependentCPasymmetry of partially reconstructedB0→D*+D*−decays
2012
Physical Review D
We present a new measurement of the time-dependent CP asymmetry of B0->D*+D*- decays using (471+-5) million BBbar pairs collected with the BaBar detector at the PEP-II B Factory at the SLAC National Accelerator Laboratory. Using the technique of partial reconstruction, we measure the time-dependent CP asymmetry parameters S=-0.34+-0.12+-0.05 and C=+0.15+-0.09+-0.04. Using the value for the CP-odd fraction R_perp=0.158+-0.028+-0.006, previously measured by BaBar with fully reconstructed
doi:10.1103/physrevd.86.112006
fatcat:gurpmpe7b5ejviwfjqbef45ouq