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Measurement of the CP violation parameters in B-0 -> pi(+) pi(-) decays
- Authors
- Dalseno, J[Dalseno, J.]; Prothmann, K[Prothmann, K.]; Kiesling, C[Kiesling, C.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Arinstein, K[Arinstein, K.]; Asner, DM[Asner, D. M.]; Aulchenko, V[Aulchenko, V.]; Aushev, T[Aushev, T.]; Bakich, AM[Bakich, A. M.]; Bala, A[Bala, A.]; Bay, A[Bay, A.]; Behera, P[Behera, P.]; Bhardwaj, V[Bhardwaj, V.]; Bhuyan, B[Bhuyan, B.]; Bondar, A[Bondar, A.]; Bonvicini, G[Bonvicini, G.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Browder, TE[Browder, T. E.]; Chekelian, V[Chekelian, V.]; Chen, A[Chen, A.]; Chen, P[Chen, P.]; Cheon, BG[Cheon, B. G.]; Chilikin, K[Chilikin, K.]; Chistov, R[Chistov, R.]; Cho, K[Cho, K.]; Chobanova, V[Chobanova, V.]; Choi, SK[Choi, S-K]; Choi, Y[Choi, Y.]; Cinabro, D[Cinabro, D.]; Danilov, M[Danilov, M.]; Dolezal, Z[Dolezal, Z.]; Drasal, Z[Drasal, Z.]; Drutskoy, A[Drutskoy, A.]; Dutta, D[Dutta, D.]; Dutta, K[Dutta, K.]; Eidelman, S[Eidelman, S.]; Farhat, H[Farhat, H.]; Fast, JE[Fast, J. E.]; Feindt, M[Feindt, M.]; Ferber, T[Ferber, T.]; Frey, A[Frey, A.]; Gaur, V[Gaur, V.]; Ganguly, S[Ganguly, S.]; Gillard, R[Gillard, R.]; Goh, YM[Goh, Y. M.]; Golob, B[Golob, B.]; Haba, J[Haba, J.]; Hara, T[Hara, T.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Higuchi, T[Higuchi, T.]; Hoshi, Y[Hoshi, Y.]; Hou, WS[Hou, W-S]; Hyun, HJ[Hyun, H. J.]; Iijima, T[Iijima, T.]; Ishikawa, A[Ishikawa, A.]; Itoh, R[Itoh, R.]; Iwasaki, Y[Iwasaki, Y.]; Julius, T[Julius, T.]; Kah, DH[Kah, D. H.]; Kato, E[Kato, E.]; Kawai, H[Kawai, H.]; Kawasaki, T[Kawasaki, T.]; Kim, DY[Kim, D. Y.]; Kim, HJ[Kim, H. J.]; Kim, JB[Kim, J. B.]; Kim, JH[Kim, J. H.]; Kim, KT[Kim, K. T.]; Kim, YJ[Kim, Y. J.]; Kinoshita, K[Kinoshita, K.]; Klucar, J[Klucar, J.]; Ko, BR[Ko, B. R.]; Kodys, P[Kodys, P.]; Korpar, S[Korpar, S.]; Krizan, P[Krizan, P.]; Krokovny, P[Krokovny, P.]; Kronenbitter, B[Kronenbitter, B.]; Kuzmin, A[Kuzmin, A.]; Kwon, YJ[Kwon, Y-J]; Lee, SH[Lee, S-H]; Li, J[Li, J.]; Li, Y[Li, Y.]; Gioi, LL[Gioi, L. Li]; Libby, J[Libby, J.]; Liu, C[Liu, C.]; Liventsev, D[Liventsev, D.]; Lukin, P[Lukin, P.]; Matvienko, D[Matvienko, D.]; Miyabayashi, K[Miyabayashi, K.]; Miyata, H[Miyata, H.]; Mizuk, R[Mizuk, R.]; Mohanty, GB[Mohanty, G. B.]; Moll, A[Moll, A.]; Mori, T[Mori, T.]; Moser, HG[Moser, H-G]; Muramatsu, N[Muramatsu, N.]; Mussa, R[Mussa, R.]; Nagasaka, Y[Nagasaka, Y.]; Nakao, M[Nakao, M.]; Nayak, M[Nayak, M.]; Nedelkovska, E[Nedelkovska, E.]; Ng, C[Ng, C.]; Niebuhr, C[Niebuhr, C.]; Nisar, NK[Nisar, N. K.]; Nishida, S[Nishida, S.]; Nitoh, O[Nitoh, O.]; Ogawa, S[Ogawa, S.]; Okuno, S[Okuno, S.]; Olsen, SL[Olsen, S. L.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Park, CW[Park, C. W.]; Park, H[Park, H.]; Park, HK[Park, H. K.]; Pedlar, TK[Pedlar, T. K.]; Pestotnik, R[Pestotnik, R.]; Petric, M[Petric, M.]; Piilonen, LE[Piilonen, L. E.]; Ritter, M[Ritter, M.]; Rohrken, M[Roehrken, M.]; Rostomyan, A[Rostomyan, A.]; Ryu, S[Ryu, S.]; Sahoo, H[Sahoo, H.]; Saito, T[Saito, T.]; Sakai, Y[Sakai, Y.]; Sandilya, S[Sandilya, S.]; Santelj, L[Santelj, L.]; Sanuki, T[Sanuki, T.]; Savinov, V[Savinov, V.]; Schneider, O[Schneider, O.]; Schnell, G[Schnell, G.]; Schwanda, C[Schwanda, C.]; Schwartz, AJ[Schwartz, A. J.]; Semmler, D[Semmler, D.]; Senyo, K[Senyo, K.]; Seon, O[Seon, O.]; Sevior, ME[Sevior, M. E.]; Shapkin, M[Shapkin, M.]; Shen, CP[Shen, C. P.]; Shibata, TA[Shibata, T-A]; Shiu, JG[Shiu, J-G]; Shwartz, B[Shwartz, B.]; Sibidanov, A[Sibidanov, A.]; Simon, F[Simon, F.]; Sohn, YS[Sohn, Y-S]; Solovieva, E[Solovieva, E.]; Stanic, S[Stanic, S.]; Staric, M[Staric, M.]; Steder, M[Steder, M.]; Sumihama, M[Sumihama, M.]; Sumisawa, K[Sumisawa, K.]; Sumiyoshi, T[Sumiyoshi, T.]; Tamponi, U[Tamponi, U.]; Tatishvili, G[Tatishvili, G.]; Teramoto, Y[Teramoto, Y.]; Trabelsi, K[Trabelsi, K.]; Tsuboyama, T[Tsuboyama, T.]; Uchida, M[Uchida, M.]; Uehara, S[Uehara, S.]; Uglov, T[Uglov, T.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Urquijo, P[Urquijo, P.]; Ushiroda, Y[Ushiroda, Y.]; Vahsen, SE[Vahsen, S. E.]; Van Hulse, C[Van Hulse, C.]; Vanhoefer, P[Vanhoefer, P.]; Varner, G[Varner, G.]; Vorobyev, V[Vorobyev, V.]; Wagner, MN[Wagner, M. N.]; Wang, CH[Wang, C. H.]; Wang, P[Wang, P.]; Wang, XL[Wang, X. L.]; Watanabe, M[Watanabe, M.]; Watanabe, Y[Watanabe, Y.]; Williams, KM[Williams, K. M.]; Won, E[Won, E.]; Yabsley, BD[Yabsley, B. D.]; Yamamoto, H[Yamamoto, H.]; Yamashita, Y[Yamashita, Y.]; Yashchenko, S[Yashchenko, S.]; Yook, Y[Yook, Y.]; Yuan, CZ[Yuan, C. Z.]; Yusa, Y[Yusa, Y.]; Zhang, ZP[Zhang, Z. P.]; Zhilich, V[Zhilich, V.]; Zhulanov, V[Zhulanov, V.]; Zupanc, A[Zupanc, A.]
- Issue Date
- 19-Nov-2013
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.88, no.9
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 88
- Number
- 9
- ISSN
- 1550-7998
- Abstract
- We present a measurement of the charge-parity (CP) violating parameters in B-0 -> pi(+) pi(-) decays. The results are obtained from the final data sample containing 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. We obtain the CP violation parameters A(cp)(B-0 -> pi(+) pi(-)) = +0.33 +/- 0.06(stat) +/- 0.03(syst), S-cp(B-0 -> pi(+) pi(-)) = -0.64 +/- 0.08(stat) +/- 0.03(syst), where A(CP) and S-CP represent the direct and mixing-induced CP asymmetries in B-0 -> pi(+) pi(-) decays, respectively. Using an isospin analysis including results from other Belle measurements, we find 23.8 degrees < phi(2) < 66.8 degrees is disfavored at the 1 sigma level, where phi(2) is one of the three interior angles of the Cabibbo-Kobayashi-Maskawa unitarity triangle related to B-u,B-d decays.
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