First measurement of Φ<inf>3</inf> with a model-independent Dalitz plot analysis of B<sup>±</sup> → DK<sup>±</sup> D → K<sup>0</sup>π<sup>+</sup>π<sup>-</sup> decay

Date Issued
26-06-2012
Author(s)
Aihara, H.
Arinstein, K.
Asner, D. M.
Aulchenko, V.
Aushev, T.
Bakich, A. M.
Belous, K.
Bhuyan, B.
Bischofberger, M.
Bondar, A.
Bonvicini, G.
Bozek, A.
BraÄ ko, M.
Browder, T. E.
Chang, M. C.
Chang, P.
Cheon, B. G.
Chilikin, K.
Chistov, R.
Cho, K.
Choi, Y.
Dalseno, J.
Doležal, Z.
Drutskoy, A.
Eidelman, S.
Epifanov, D.
Fast, J. E.
Feindt, M.
Gaur, V.
Gabyshev, N.
Garmash, A.
Goh, Y. M.
Golob, B.
Haba, J.
Hayashii, H.
Horii, Y.
Hoshi, Y.
Hou, W. S.
Hsiung, Y. B.
Hyun, H. J.
Iijima, T.
Ishikawa, A.
Itoh, R.
Iwabuchi, M.
Julius, T.
Kang, J. H.
Kawasaki, T.
Kiesling, C.
Kim, H. J.
Kim, H. O.
Kim, J. B.
Kim, J. H.
Kim, K. T.
Kim, M. J.
Kim, Y. J.
Kinoshita, K.
Ko, B. R.
Koblitz, S.
Kodyš, P.
Korpar, S.
Križan, P.
Krokovny, P.
Kronenbitter, B.
Kuhr, T.
Kumita, T.
Kuzmin, A.
Kwon, Y. J.
Lee, S. H.
Li, J.
Li, Y.
Indian Institute of Technology, Madras
Liu, C.
Liu, Y.
Liu, Z. Q.
Liventsev, D.
Louvot, R.
Matvienko, D.
Miyabayashi, K.
Miyata, H.
Mizuk, R.
Mohanty, G. B.
Moll, A.
Mori, T.
Muramatsu, N.
Nagasaka, Y.
Nakano, E.
Nakao, M.
Natkaniec, Z.
Nishida, S.
Nitoh, O.
Ogawa, S.
Ohshima, T.
Okuno, S.
Olsen, S. L.
Pakhlova, G.
Park, C. W.
Park, H.
Park, H. K.
Park, K. S.
Pedlar, T. K.
DOI
Abstract
We present the first measurement of the angle Φ3 of the unitarity triangle using a model-independent Dalitz plot analysis of B± → DK±, D → K0S π+π- decays. The method uses, as input, measurements of the strong phase of the D → K0S π+π- amplitude from the CLEO Collaboration. The result is based on the full data set of 772 × 106 BB¯ pairs collected by the Belle experiment at the γ (4S) resonance. We obtain Φ3 = (77.3-14.9+15.1 ± 4.1 ± 4.3)° and the suppressed amplitude ratio rB = 0.145 ± 0.030 ± 0.010 ± 0.011. Here the first error is statistical, the second is the experimental systematic uncertainty, and the third is the error due to the precision of the strong-phase parameters obtained by CLEO.
Volume
85