- Main
Measurement of CP violation observables and parameters for the decays B±→DK*±
- Aubert, B;
- Karyotakis, Y;
- Lees, JP;
- Poireau, V;
- Prencipe, E;
- Prudent, X;
- Tisserand, V;
- Tico, J Garra;
- Grauges, E;
- Martinelli, M;
- Palano, A;
- Pappagallo, M;
- Eigen, G;
- Stugu, B;
- Sun, L;
- Battaglia, M;
- Brown, DN;
- Kerth, LT;
- Kolomensky, Yu G;
- Lynch, G;
- Osipenkov, IL;
- Tackmann, K;
- Tanabe, T;
- Hawkes, CM;
- Soni, N;
- Watson, AT;
- Koch, H;
- Schroeder, T;
- Asgeirsson, DJ;
- Fulsom, BG;
- Hearty, C;
- Mattison, TS;
- McKenna, JA;
- Barrett, M;
- Khan, A;
- Randle-Conde, A;
- Blinov, VE;
- Bukin, AD;
- Buzykaev, AR;
- Druzhinin, VP;
- Golubev, VB;
- Onuchin, AP;
- Serednyakov, SI;
- Skovpen, Yu I;
- Solodov, EP;
- Todyshev, K Yu;
- Bondioli, M;
- Curry, S;
- Eschrich, I;
- Kirkby, D;
- Lankford, AJ;
- Lund, P;
- Mandelkern, M;
- Martin, EC;
- Stoker, DP;
- Atmacan, H;
- Gary, JW;
- Liu, F;
- Long, O;
- Vitug, GM;
- Yasin, Z;
- Sharma, V;
- Campagnari, C;
- Hong, TM;
- Kovalskyi, D;
- Mazur, MA;
- Richman, JD;
- Beck, TW;
- Eisner, AM;
- Heusch, CA;
- Kroseberg, J;
- Lockman, WS;
- Martinez, AJ;
- Schalk, T;
- Schumm, BA;
- Seiden, A;
- Wang, L;
- Winstrom, LO;
- Cheng, CH;
- Doll, DA;
- Echenard, B;
- Fang, F;
- Hitlin, DG;
- Narsky, I;
- Ongmongkolkul, P;
- Piatenko, T;
- Porter, FC;
- Andreassen, R;
- Mancinelli, G;
- Meadows, BT;
- Mishra, K;
- Sokoloff, MD;
- Bloom, PC;
- Ford, WT;
- Gaz, A;
- Hirschauer, JF;
- Nagel, M;
- Nauenberg, U;
- Smith, JG;
- Wagner, SR;
- Ayad, R;
- Toki, WH;
- Wilson, RJ;
- Feltresi, E;
- Hauke, A;
- Jasper, H;
- Karbach, TM;
- Merkel, J;
- Petzold, A;
- Spaan, B;
- Wacker, K;
- Kobel, MJ;
- Nogowski, R;
- Schubert, KR;
- Schwierz, R;
- Bernard, D;
- Latour, E;
- Verderi, M;
- Clark, PJ;
- Playfer, S;
- Watson, JE;
- Andreotti, M;
- Bettoni, D;
- Bozzi, C;
- Calabrese, R;
- Cecchi, A;
- Cibinetto, G;
- Fioravanti, E;
- Franchini, P;
- Luppi, E;
- Munerato, M;
- Negrini, M;
- Petrella, A;
- Piemontese, L;
- Santoro, V;
- Baldini-Ferroli, R;
- Calcaterra, A;
- de Sangro, R;
- Finocchiaro, G;
- Pacetti, S;
- Patteri, P;
- Peruzzi, IM;
- Piccolo, M;
- Rama, M;
- Zallo, A;
- Contri, R;
- Guido, E;
- Vetere, M Lo;
- Monge, MR;
- Passaggio, S;
- Patrignani, C;
- Robutti, E;
- Tosi, S;
- Chaisanguanthum, KS;
- Morii, M;
- Adametz, A;
- Marks, J;
- Schenk, S;
- Uwer, U;
- Bernlochner, FU;
- Klose, V;
- Lacker, HM;
- Lueck, T;
- Volk, A;
- Bard, DJ;
- Dauncey, PD;
- Tibbetts, M;
- Behera, PK;
- Charles, MJ;
- Mallik, U;
- Cochran, J;
- Crawley, HB;
- Dong, L;
- Eyges, V;
- Meyer, WT;
- Prell, S;
- Rosenberg, EI;
- Rubin, AE;
- Gao, YY;
- Gritsan, AV;
- Guo, ZJ;
- Arnaud, N;
- Béquilleux, J;
- D’Orazio, A;
- Davier, M;
- Derkach, D;
- da Costa, J Firmino;
- Grosdidier, G;
- Le Diberder, F;
- Lepeltier, V;
- Lutz, AM;
- Malaescu, B;
- Pruvot, S;
- Roudeau, P;
- Schune, MH;
- Serrano, J;
- Sordini, V;
- Stocchi, A;
- Wormser, G;
- Lange, DJ;
- Wright, DM;
- Bingham, I;
- Burke, JP;
- Chavez, CA;
- Fry, JR;
- Gabathuler, E;
- Gamet, R;
- Hutchcroft, DE;
- Payne, DJ;
- Touramanis, C;
- Bevan, AJ;
- Clarke, CK;
- Di Lodovico, F;
- Sacco, R;
- Sigamani, M;
- Cowan, G;
- Paramesvaran, S;
- Wren, AC;
- Brown, DN;
- Davis, CL;
- Denig, AG;
- Fritsch, M;
- Gradl, W;
- Hafner, A;
- Alwyn, KE;
- Bailey, D;
- Barlow, RJ;
- Jackson, G;
- Lafferty, GD;
- West, TJ;
- Yi, JI;
- Anderson, J;
- Chen, C;
- Jawahery, A;
- Roberts, DA;
- Simi, G;
- Tuggle, JM;
- Dallapiccola, C;
- Salvati, E;
- Cowan, R;
- Dujmic, D;
- Fisher, PH;
- Henderson, SW;
- Sciolla, G;
- Spitznagel, M;
- Yamamoto, RK;
- Zhao, M;
- Patel, PM;
- Robertson, SH;
- Schram, M;
- Biassoni, P;
- Lazzaro, A;
- Lombardo, V;
- Palombo, F;
- Stracka, S;
- Cremaldi, L;
- Godang, R;
- Kroeger, R;
- Sonnek, P;
- Summers, DJ;
- Zhao, HW;
- Simard, M;
- Taras, P;
- Nicholson, H;
- De Nardo, G;
- Lista, L;
- Monorchio, D;
- Onorato, G;
- Sciacca, C;
- Raven, G;
- Snoek, HL;
- Jessop, CP;
- Knoepfel, KJ;
- LoSecco, JM;
- Wang, WF;
- Benelli, G;
- Corwin, LA;
- Honscheid, K;
- Kagan, H;
- Kass, R;
- Morris, JP;
- Rahimi, AM;
- Sekula, SJ;
- Wong, QK;
- Blount, NL;
- Brau, J;
- Frey, R;
- Igonkina, O;
- Kolb, JA;
- Lu, M;
- Rahmat, R;
- Sinev, NB;
- Strom, D;
- Strube, J;
- Torrence, E;
- Castelli, G;
- Gagliardi, N;
- Margoni, M;
- Morandin, M;
- Posocco, M;
- Rotondo, M;
- Simonetto, F;
- Stroili, R;
- Voci, C;
- del Amo Sanchez, P;
- Ben-Haim, E;
- Bonneaud, GR;
- Briand, H;
- Chauveau, J;
- Hamon, O;
- Leruste, Ph;
- Marchiori, G;
- Ocariz, J;
- Perez, A;
- Prendki, J;
- Sitt, S;
- Gladney, L;
- Biasini, M;
- Manoni, E;
- Angelini, C;
- Batignani, G;
- Bettarini, S;
- Calderini, G;
- Carpinelli, M;
- Cervelli, A;
- Forti, F;
- Giorgi, MA;
- Lusiani, A;
- Morganti, M;
- Neri, N;
- Paoloni, E;
- Rizzo, G;
- Walsh, JJ;
- Pegna, D Lopes;
- Lu, C;
- Olsen, J;
- Smith, AJS;
- Telnov, AV;
- Anulli, F;
- Baracchini, E;
- Cavoto, G;
- Faccini, R;
- Ferrarotto, F;
- Ferroni, F;
- Gaspero, M;
- Jackson, PD;
- Gioi, L Li;
- Mazzoni, MA;
- Morganti, S;
- Piredda, G;
- Renga, F;
- Voena, C;
- Ebert, M;
- Hartmann, T;
- Schröder, H;
- Waldi, R;
- Adye, T;
- Franek, B;
- Olaiya, EO;
- Wilson, FF;
- Emery, S;
- Esteve, L;
- de Monchenault, G Hamel;
- Kozanecki, W;
- Vasseur, G;
- Yèche, Ch;
- Zito, M;
- Allen, MT;
- Aston, D;
- Bartoldus, R;
- Benitez, JF;
- Cenci, R;
- Coleman, JP;
- Convery, MR;
- Dingfelder, JC;
- Dorfan, J;
- Dubois-Felsmann, GP;
- Dunwoodie, W;
- Field, RC;
- Sevilla, M Franco;
- Gabareen, AM;
- Graham, MT;
- Grenier, P;
- Hast, C;
- Innes, WR;
- Kaminski, J;
- Kelsey, MH;
- Kim, H;
- Kim, P;
- Kocian, ML;
- Leith, DWGS;
- Li, S;
- Lindquist, B;
- Luitz, S;
- Luth, V;
- Lynch, HL;
- MacFarlane, DB;
- Marsiske, H;
- Messner, R;
- Muller, DR;
- Neal, H;
- Nelson, S;
- O’Grady, CP;
- Ofte, I;
- Perl, M;
- Ratcliff, BN;
- Roodman, A;
- Salnikov, AA;
- Schindler, RH;
- Schwiening, J;
- Snyder, A;
- Su, D;
- Sullivan, MK;
- Suzuki, K;
- Swain, SK;
- Thompson, JM;
- Va’vra, J;
- Wagner, AP;
- Weaver, M;
- West, CA;
- Wisniewski, WJ;
- Wittgen, M;
- Wright, DH;
- Wulsin, HW;
- Yarritu, AK;
- Young, CC;
- Ziegler, V;
- Chen, XR;
- Liu, H;
- Park, W;
- Purohit, MV;
- White, RM;
- Wilson, JR;
- Bellis, M;
- Burchat, PR;
- Edwards, AJ;
- Miyashita, TS;
- Ahmed, S;
- Alam, MS;
- Ernst, JA;
- Pan, B;
- Saeed, MA;
- Zain, SB;
- Soffer, A;
- Spanier, SM;
- Wogsland, BJ;
- Eckmann, R;
- Ritchie, JL;
- Ruland, AM;
- Schilling, CJ;
- Schwitters, RF;
- Wray, BC;
- Drummond, BW;
- Izen, JM;
- Lou, XC;
- Bianchi, F;
- Gamba, D;
- Pelliccioni, M;
- Bomben, M;
- Bosisio, L;
- Cartaro, C;
- Della Ricca, G;
- Lanceri, L;
- Vitale, L;
- Azzolini, V;
- Lopez-March, N;
- Martinez-Vidal, F;
- Milanes, DA;
- Oyanguren, A;
- Albert, J;
- Banerjee, Sw;
- Bhuyan, B;
- Choi, HHF;
- Hamano, K;
- King, GJ;
- Kowalewski, R;
- Lewczuk, MJ;
- Nugent, IM;
- Roney, JM;
- Sobie, RJ;
- Gershon, TJ;
- Harrison, PF;
- Ilic, J;
- Latham, TE;
- Mohanty, GB;
- Puccio, EMT;
- Band, HR;
- Chen, X;
- Dasu, S;
- Flood, KT;
- Pan, Y;
- Prepost, R;
- Vuosalo, CO;
- Wu, SL
Abstract
We study the decay B-→DK*- using a sample of 379×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II B factory. We perform a Gronau-London-Wyler analysis where the D meson decays into either a CP-even (CP+) eigenstate (K+K-, π+π-), CP-odd (CP-) eigenstate (KS0π0, KS0, KS0ω) or a non-CP state (K-π+). We also analyze D meson decays into K+π- from a Cabibbo-favored D̄0 decay or doubly suppressed D0 decay [Atwood-Dunietz-Soni (ADS) analysis]. We measure observables that are sensitive to the Cabibbo-Kobayashi-Maskawa angle γ: the partial-rate charge asymmetries ACP±, the ratios RCP± of the B-decay branching fractions in CP± and non-CP decay, the ratio RADS of the charge-averaged branching fractions, and the charge asymmetry AADS of the ADS decays: ACP+=0.09±0.13±0.06, ACP-=-0.23±0.21±0. 07, RCP+=2.17±0.35±0.09, RCP-=1.03±0.27±0.13, RADS=0.066±0.031±0.010, and AADS=-0.34±0.43±0.16, where the first uncertainty is statistical and the second is systematic. Combining all the measurements and using a frequentist approach yields the magnitude of the ratio between the Cabibbo-suppressed and favored amplitudes, rB=0.31 with a one (two) sigma confidence level interval of [0.24, 0.38] ([0.17, 0.43]). The value rB=0 is excluded at the 3.3 sigma level. A similar analysis excludes values of γ in the intervals [0, 7]°, [55, 111]°, and [175, 180]°([85, 99]°) at the one (two) sigma confidence level. © 2009 The American Physical Society.
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