Study of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>ρ</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>∓</mml:mo></mml:msup></mml:math>Time-Dependent<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>Violation at Belle

Wang, CC, Abe, K, Abe, T, Adachi, I, Aihara, H, Asano, Y, Aushev, T, Bakich, AM, Ban, Y, Bay, A, Bedny, I, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bracko, M, Browder, TE, Chang, P, Chao, Y, Chen, KF, Chen, WT, Cheon, BG, Choi, SK, Choi, Y, Chuvikov, A, Cole, S, Dash, M, Dong, LY, Dragic, J, Drutskoy, A, Eidelman, S, Eiges, V, Gershon, T, Gokhroo, G, Guo, R, Haba, J, Hastings, NC, Hayasaka, K, Hayashii, H, Hazumi, M, Hokuue, T, Hoshi, Y, Hou, S, Hou, WS, Hsiung, YB, Iijima, T, Imoto, A, Inami, K, Ishikawa, A, Ishino, H, Itoh, K, Itoh, R, Iwasaki, H, Iwasaki, Y, Kakuno, H, Kang, JH, Kang, JS, Kapusta, P, Katayama, N, Kawasaki, T, Khan, HR, Kichimi, H, Kim, HJ, Kinoshita, K, Krizan, P, Krokovny, P, Kumar, S, Kwon, YJ, Lange, JS, Lee, SE, Lee, YJ, Lesiak, T, Li, J, Limosani, A, Lin, SW, MacNaughton, J, Matsumoto, T, Matyja, A, Mikami, Y, Mitaroff, W, Miyata, H, Mizuk, R, Mohapatra, D, Mori, T, Nagasaka, Y, Nakadaira, T, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nitoh, O, Nozaki, T, Ogawa, S, Ohshima, T, Okabe, T, Okuno, S, Olsen, SL, Ostrowicz, W, Ozaki, H, Pakhlov, P, Park, CW, Parslow, N, Peak, LS, Piilonen, LE, Ronga, FJ, Rozanska, M, Sagawa, H, Saitoh, S, Sakai, Y, Sato, N, Schietinger, T, Schneider, O, Schumann, J, Schwartz, AJ, Semenov, S, Senyo, K, Sevior, ME, Shibuya, H, Singh, JB, Somov, A, Stamen, R, Stanic, S, Staric, M, Sumisawa, K, Sumiyoshi, T, Suzuki, SY, Tajima, O, Takasaki, F, Tamai, K, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Trabelsi, K, Tsukamoto, T, Uehara, S, Uglov, T, Ueno, K, Uno, S, Varner, G, Varvell, KE, Villa, S, Wang, CH, Wang, MZ, Watanabe, M, Yabsley, BD, Yamada, Y, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Ying, J, Yusa, Y, Zhang, J, Zhang, LM, Zhang, ZP, Zhilich, V, Ziegler, T, Zontar, D, Belle Collaboration

doi:10.1103/physrevlett.94.121801

Study of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>ρ</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>∓</mml:mo></mml:msup></mml:math>Time-Dependent<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>Violation at Belle

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We present a time-dependent analysis of CP violation in B0--rho(+/-)pi(-/+) decays based on a 140 fb(-1) data sample collected at the Upsilon(4S) resonance with the Belle detector at KEKB. We obtain the charge asymmetry A(rhopi)(CP)=-0.16+/-0.10(stat)+/-0.02(syst). An unbinned maximum-likelihood fit to the Deltat distributions yields C(rhopi)=0.25+/-0.17(stat)+0.02-0.06(syst), DeltaC(rhopi)=0.38+/-0.18(stat)+0.02-0.04(syst), S(rhopi)=-0.28+/-0.23(stat)+0.10-0.08(syst), and DeltaS(rhopi)=-0.30+/-0.24(stat)+/-0.09(syst). The direct CP violation parameters for B--rho(+)pi(-) and B--rho(-)pi(+) decays are A(+-)(rhopi)=-0.02+/-0.16(stat)+0.05-0.02(syst) and A(-+)(rhopi)=-0.53+/-0.29(stat)+0.09-0.04(syst).

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Physical Review Letters

Physical Review Letters 94 2005-04-01

American Physical Society (APS)

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1873116917452336896
DOI

10.1103/physrevlett.94.121801
ISSN

10797114

00319007
PubMed

15903905
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- OpenAIRE

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