Evidence for CP-violating asymmetries in B0→π +π- decays and constraints on the CKM angle φ2
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note
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Throughout this paper, the inclusion of the charge conjugate mode decay is implied unless otherwise stated.
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+0.25(stat) ± 0.09(syst). In this paper, the statistical uncertainties were determined from the observed fitting errors rather than from the MC pseudoexperiments as in the analysis described here. Thus, the errors here are larger than those obtained by scaling the previous errors by the integrated luminosities.
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ππ=0.02±0.34(stat) ±0.05(syst) and Cππ= -0.30±0.25(stat) ± 0.04(syst);
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ππ is found to be 0.024 for data.
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+ decay rate, and factorization [27] to estimate |T| from the decay rate for B→ πℓν.
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+2.4)°.
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Ph.D. thesis, The University of Tokyo
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T. Nakadaira, Ph.D. thesis, The University of Tokyo, 2003.
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Nakadaira, T.1
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