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Measurement of the ratio B(B- → D*0K -)/B(B → D*0π-) and of the CP asymmetry of B- → D*CP+ 0K - decays

  • Author(s): Aubert, B;
  • Barate, R;
  • Boutigny, D;
  • Couderc, F;
  • Karyotakis, Y;
  • Lees, JP;
  • Poireau, V;
  • Tisserand, V;
  • Zghiche, A;
  • Graugés, E;
  • Palano, A;
  • Pompili, A;
  • Chen, J;
  • Qi, N;
  • Rong, G;
  • Wang, P;
  • Zhu, Y;
  • Eigen, GP;
  • Ofte, I;
  • Stugu, B;
  • Abrams, GS;
  • Borgland, AW;
  • Breon, AB;
  • Brown, DN;
  • Button-Shafer, J;
  • Cahn, RN;
  • Charles, E;
  • Day, C;
  • Gill, M;
  • Gritsan, AV;
  • Groysman, Y;
  • Jacobsen, RG;
  • Kadel, RW;
  • Kadyk, JA;
  • Kerth, LT;
  • Kolomensky, YG;
  • Kukartsev, GA;
  • Lynch, GR;
  • Mir, LM;
  • Oddone, PJ;
  • Orimoto, TJ;
  • Pripstein, M;
  • Roé, N;
  • Ronan, MT;
  • Wenzel, WA;
  • Barrett, MJP;
  • Ford, KE;
  • Harrison, TJE;
  • Hart, AJ;
  • Hawkes, CM;
  • Morgan, SE;
  • Watson, AT;
  • Fritsch, M;
  • Goetzen, K;
  • Held, T;
  • Koch, HC;
  • Lewandowski, B;
  • Pelizaeus, M;
  • Schroeder, TV;
  • Steinke, MF;
  • Boyd, JT;
  • Chevalier, NI;
  • Cottingham, WN;
  • Kelly, MP;
  • Latham, TE;
  • Wilson, FF;
  • Çuhadar-Dönszelmann, T;
  • Hearty, C;
  • Knecht, NS;
  • Mattison, TS;
  • McKenna, JA;
  • Thiessen, DM;
  • Khan, A;
  • Kyberd, P;
  • Teodorescu, L;
  • Blinov, AE;
  • Blinov, VE;
  • Druzhinin, VP;
  • Golubev, VB;
  • Ivanchenko, VN;
  • Kravchenko, EA;
  • Onuchin, AP;
  • Serednyakov, SI;
  • Skovpen, YI;
  • Solodov, EP;
  • Yushkov, AN;
  • Best, DS;
  • Bruinsma, MS;
  • Chao, M;
  • Eschrich, IG;
  • Kirkby, D;
  • Lankford, AJ;
  • Mandelkern, MA;
  • Mommsen, RK;
  • Roethel, W;
  • Stoker, DP;
  • Buchanan, CD;
  • Hartfiel, BL;
  • Weinstein, AJR;
  • Foulkes, SD;
  • Gary, JW;
  • Shen, BC;
  • Wang, K;
  • Del Re, D;
  • Hadavand, HK;
  • Hill, EJ;
  • MacFarlane, DB;
  • Paar, HP;
  • Rahatlou, S;
  • Sharma, V;
  • Cunha, JA;
  • Berryhill, JW;
  • Campagnari, C;
  • Dahmes, B;
  • Hong, TM;
  • Lu, A;
  • Mazur, MA;
  • Richman, JD;
  • Verkerke, W;
  • Beck, TW;
  • Eisner, AM;
  • Heusch, CA;
  • Kroseberg, J;
  • Lockman, WS;
  • Nesom, G;
  • Schalk, TL;
  • Schumm, BA;
  • Seiden, AM;
  • Spradlin, P;
  • Williams, DC;
  • Wilson, MG;
  • Albert, JB;
  • Chen, E;
  • Dubois-Felsmann, OP;
  • Dvoretskii, A;
  • Hitlin, DG;
  • Narsky, IV;
  • Piatenko, T;
  • Porter, FC;
  • Ryd, A;
  • Samuel, A;
  • Yang, S;
  • Jayatilleke, S;
  • Mancinelli, G;
  • Meadows, BT;
  • Sokoloff, MD;
  • Blanc, F;
  • Bloom, PC;
  • Chen, S;
  • Ford, WT;
  • Nauenberg, U;
  • Olivas, A;
  • Rankin, P;
  • Ruddick, WO;
  • Smith, JG;
  • Ulmer, KA;
  • Zhang, J;
  • Zhang, L;
  • Chen, AE;
  • Eckhart, EA;
  • Harton, JL;
  • Soffer, A;
  • Toki, W;
  • Wilson, RJ;
  • Zeng, QL;
  • Spaan, B;
  • Altenburg, DD;
  • Brandt, TJ;
  • Brose, J;
  • Dickopp, M;
  • Feltresi, E;
  • Hauke, A;
  • Lacker, HM;
  • Nogowski, R;
  • Otto, S;
  • Petzold, A;
  • Schubert, J;
  • Schubert, KR;
  • Schwierz, R;
  • Sundermann, JE;
  • Bernard, D;
  • Bonne̊aud, GR;
  • Grenier, PA;
  • Schrenk, S;
  • Thiebaux, C;
  • Vasileiadis, G;
  • Verderi, M;
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  • Muheim, F;
  • Playfer, SM;
  • Xie, Y;
  • Andreotti, M;
  • Azzolini, V;
  • Bettoni, D;
  • Bozzi, C;
  • Calabrese, R;
  • Cibinetto, G;
  • Luppi, E;
  • Negrini, M;
  • Piemontese, L;
  • Sarti, A;
  • Anulli, F;
  • Baldini-Ferroli, RBF;
  • Calcaterra, AC;
  • De Sangro, R;
  • Finocchiaro, G;
  • Patterí, P;
  • Peruzzi, IM;
  • Piccolo, M;
  • Zallo, AZ;
  • Buzzo, A;
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  • Contri, R;
  • Crosetti, G;
  • Lo Vetere, M;
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  • Monge, MR;
  • Passaggio, SP;
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  • Bailey, SJ;
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  • Morii, M;
  • Won, E;
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  • Marks, J;
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  • Bowerman, DA;
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  • Gaillard, JR;
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  • Nikolich, MB;
  • Taylor, GP;
  • Charles, MJ;
  • Grenier, GJ;
  • Mallik, U;
  • Cochran, J;
  • Crawley, HB;
  • Lämsä, JW;
  • Meyer, WT;
  • Prell, SA;
  • Rosenberg, EI;
  • Rubin, AE;
  • Yi, JI;
  • Arnaud, N;
  • Davier, M;
  • Giroux, X;
  • Grosdidier, G;
  • Höcker, A;
  • Le Diberder, FL;
  • Lepeltìer, V;
  • Lutz, AM;
  • Petersen, TC;
  • Plaszczynski, S;
  • Schune, MH;
  • Wormser, G;
  • Cheng, C;
  • Lange, DJ;
  • Simani, MC;
  • Wright, DM;
  • Bevan, AJ;
  • Chavez, CA;
  • Coleman, JP;
  • Forster, IJ;
  • Fry, JR;
  • Gabathuler, E;
  • Garnet, R;
  • Hutchcroft, DE;
  • Parry, RJ;
  • Payne, DJ;
  • Touramanis, C;
  • Cormack, CM;
  • Di Lodovico, F;
  • Brown, CL;
  • Cowan, GA;
  • Flack, RL;
  • Flaecher, HU;
  • Green, MG;
  • Jackson, PS;
  • McMahon, TR;
  • Ricciardi, S;
  • Salvatore, F;
  • Winter, MA;
  • Brown, DN;
  • Davis, CL;
  • Allison, JW;
  • Barlow, NR;
  • Barlow, R;
  • Hodgkinson, MC;
  • Lafferty, GD;
  • Williams, JC;
  • Chen, C;
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  • Hulsbergen, WD;
  • Jawahery, A;
  • Kovalskyi, D;
  • Lae, CK;
  • Lillard, V;
  • Roberts, DA;
  • Blaylock, GT;
  • Dallapiccola, C;
  • Hertzbach, SS;
  • Kofler, RR;
  • Koptchev, VB;
  • Moore, TB;
  • Saremi, S;
  • Staengle, H;
  • Willocq, SY;
  • Cowan, RF;
  • Koeneke, K;
  • Sciolla, G;
  • Sekula, SJ;
  • Taylor, FE;
  • Yamamoto, RK;
  • Mangeol, DJJ;
  • Patel, PM;
  • Robertson, SH;
  • Lazzaro, A;
  • Lombardo, VP;
  • Palombo, FF;
  • Bauer, JM;
  • Cremaldi, LM;
  • Eschenburg, VO;
  • Godang, R;
  • Kroeger, RS;
  • Reidy, JJ;
  • Sanders, DA;
  • Summers, DJ;
  • Zhao, H;
  • Brunet, SMK;
  • Côté, D;
  • Taras, P;
  • Nicholson, HW;
  • Cavallo, N;
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  • Gatto, C;
  • Lísta, L;
  • Monorchio, D;
  • Paolucci, PS;
  • Piccolo, D;
  • Sciacca, C;
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  • Wilden, LH;
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  • Pulliam, TM;
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  • Wong, QK;
  • Brau, JE;
  • Frey, RE;
  • Igonkina, OB;
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  • Potter, CT;
  • Sinev, NB;
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Abstract

We study the decays B- → D*0π - and B-→ D*0K-, where the D*0 decays into D0π0, with the D0 reconstructed in the CP-even (CP+) eigenstates K-K + and π-π+ and in the (non-CP) channels K-π+, K -π+π+π-, and K -π+π0. Using a sample of about 123 × 106 BB̄ pairs, we measure the ratios of decay rates R*non-CP ≡ B(B- → D* non-CP 0K-)/B(B- → D*non-CP 0π-) = 0.086 ± 0.0040(stat)-0.0031 +0.0042(syst), and provide the first measurements of R*CP+ ≡ B(B- → D*CP+ 0K-)/B(B- → D*CP+ 0π-) = 0.0086 ± 0.021(stat) ± 0.007(syst), and of the CP asymmetry A*CP+ ≡ B(B- → D*CP+ 0K -)-B(B+ → D*CP+ 0K +)/B(B- → D*CP+ 0K -)+B(B+ → D*CP+ 0K +) = 0.10 ± 0.23(stat)-0.04 +0.03(syst). © 2005 The American Physical Society.

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