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Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-

Author(s): Lees, JP; Poireau, V; Tisserand, V; Garra Tico, J; Grauges, E; et al

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Abstract: We report the observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K- with a significance larger than 7 standard deviations based on 471x10^6$ BBbar pairs collected with the BABAR detector at the PEP-II storage ring at SLAC. We measure the branching fraction for the decay B0bar --> Lambda_c^+ anti-Lambda K- to be (3.8 \pm 0.8_{stat} \pm 0.2_{sys} \pm 1.0_{Lambda_c^+})x10^{-5}. The uncertainties are statistical, systematic, and due to the uncertainty in the Lambda_c^+ branching fraction. We find that the Lambda_c^+ K^- invariant mass distribution shows an enhancement above 3.5 GeV/c^2.
Publication Date: Oct-2011
Electronic Publication Date: 11-Oct-2011
Citation: Lees, JP, Poireau, V, Tisserand, V, Garra Tico, J, Grauges, E, Martinelli, M, Milanes, DA, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Brown, DN, Kerth, LT, Kolomensky, Yu G, Lynch, G, Koch, H, Schroeder, T, Asgeirsson, DJ, Hearty, C, Mattison, TS, McKenna, JA, Khan, A, Blinov, VE, Buzykaev, AR, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, Yu I, Solodov, EP, Todyshev, K Yu, Yushkov, AN, Bondioli, M, Kirkby, D, Lankford, AJ, Mandelkern, M, Stoker, DP, Atmacan, H, Gary, JW, Liu, F, Long, O, Vitug, GM, Campagnari, C, Hong, TM, Kovalskyi, D, Richman, JD, West, CA, Eisner, AM, Kroseberg, J, Lockman, WS, Martinez, AJ, Schalk, T, Schumm, BA, Seiden, A, Cheng, CH, Doll, DA, Echenard, B, Flood, KT, Hitlin, DG, Ongmongkolkul, P, Porter, FC, Rakitin, AY, Andreassen, R, Dubrovin, MS, Huard, Z, Meadows, BT, Sokoloff, MD, Bloom, PC, Ford, WT, Gaz, A, Nagel, M, Nauenberg, U, Smith, JG, Wagner, SR, Ayad, R, Toki, WH, Spaan, B, Kobel, MJ, Schubert, KR, Schwierz, R, Bernard, D, Verderi, M, Clark, PJ, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Munerato, M, Negrini, M, Piemontese, L, Baldini-Ferroli, R, Calcaterra, A, de Sangro, R, Finocchiaro, G, Nicolaci, M, Patteri, P, Peruzzi, IM, Piccolo, M, Rama, M, Zallo, A, Contri, R, Guido, E, Lo Vetere, M, Monge, MR, Passaggio, S, Patrignani, C, Robutti, E, Bhuyan, B, Prasad, V, Lee, CL, Morii, M, Edwards, AJ, Adametz, A, Marks, J, Uwer, U, Bernlochner, FU, Ebert, M, Lacker, HM, Lueck, T, Dauncey, PD, Tibbetts, M, Behera, PK, Mallik, U, Chen, C, Cochran, J, Meyer, WT, Prell, S, Rosenberg, EI, Rubin, AE, Gritsan, AV, Guo, ZJ, Arnaud, N, Davier, M, Grosdidier, G, Le Diberder, F, Lutz, AM, Malaescu, B, Roudeau, P, Schune, MH, Stocchi, A, Wormser, G, Lange, DJ, Wright, DM, Bingham, I, Chavez, CA, Coleman, JP, Fry, JR, Gabathuler, E, Hutchcroft, DE, Payne, DJ, Touramanis, C, Bevan, AJ, Di Lodovico, F, Sacco, R, Sigamani, M, Cowan, G, Paramesvaran, S, Brown, DN, Davis, CL, Denig, AG, Fritsch, M, Gradl, W, Hafner, A, Prencipe, E, Alwyn, KE, Bailey, D, Barlow, RJ, Jackson, G, Lafferty, GD, Cenci, R, Hamilton, B, Jawahery, A, Roberts, DA, Simi, G, Dallapiccola, C, Cowan, R, Dujmic, D, Sciolla, G, Lindemann, D, Patel, PM, Robertson, SH, Schram, M, Biassoni, P, Lazzaro, A, Lombardo, V, Neri, N, Palombo, F, Stracka, S, Cremaldi, L, Godang, R, Kroeger, R, Sonnek, P, Summers, DJ, Nguyen, X, Taras, P, De Nardo, G, Monorchio, D, Onorato, G, Sciacca, C, Raven, G, Snoek, HL, Jessop, CP, Knoepfel, KJ, LoSecco, JM, Wang, WF, Honscheid, K, Kass, R, Brau, J, Frey, R, Sinev, NB, Strom, D, Torrence, E, Feltresi, E, Gagliardi, N, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simonetto, F, Stroili, R, Ben-Haim, E, Bomben, M, Bonneaud, GR, Briand, H, Calderini, G, Chauveau, J, Hamon, O, Leruste, Ph, Marchiori, G, Ocariz, J, Sitt, S, Biasini, M, Manoni, E, Pacetti, S, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Cervelli, A, Forti, F, Giorgi, MA, Lusiani, A, Oberhof, B, Paoloni, E, Perez, A, Rizzo, G, Walsh, JJ, Lopes Pegna, D, Lu, C, Olsen, J, Smith, AJS, Telnov, AV, Anulli, F, Cavoto, G, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Li Gioi, L, Mazzoni, MA, Piredda, G, Bünger, C, Grünberg, O, Hartmann, T, Leddig, T, Schröder, H, Waldi, R, Adye, T, Olaiya, EO, Wilson, FF, Emery, S, Hamel de Monchenault, G, Vasseur, G, Yèche, Ch, Aston, D, Bard, DJ, Bartoldus, R, Cartaro, C, Convery, MR, Dorfan, J, Dubois-Felsmann, GP, Dunwoodie, W, Field, RC, Franco Sevilla, M, Fulsom, BG, Gabareen, AM, Graham, MT, Grenier, P, Hast, C, Innes, WR, Kelsey, MH, Kim, H, Kim, P, Kocian, ML, Leith, DWGS, Lewis, P, Li, S, Lindquist, B, Luitz, S, Luth, V, Lynch, HL, MacFarlane, DB, Muller, DR, Neal, H, Nelson, S, Ofte, I, Perl, M, Pulliam, T, Ratcliff, BN, Roodman, A, Salnikov, AA, Santoro, V, Schindler, RH, Snyder, A, Su, D, Sullivan, MK, Va’vra, J, Wagner, AP, Weaver, M, Wisniewski, WJ, Wittgen, M, Wright, DH, Wulsin, HW, Yarritu, AK, Young, CC, Ziegler, V, Park, W, Purohit, MV, White, RM, Wilson, JR, Randle-Conde, A, Sekula, SJ, Bellis, M, Benitez, JF, Burchat, PR, Miyashita, TS, Alam, MS, Ernst, JA, Gorodeisky, R, Guttman, N, Peimer, DR, Soffer, A, Lund, P, Spanier, SM, Eckmann, R, Ritchie, JL, Ruland, AM, Schilling, CJ, Schwitters, RF, Wray, BC, Izen, JM, Lou, XC, Bianchi, F, Gamba, D, Lanceri, L, Vitale, L, Martinez-Vidal, F, Oyanguren, A, Ahmed, H, Albert, J, Banerjee, Sw, Choi, HHF, King, GJ, Kowalewski, R, Lewczuk, MJ, Lindsay, C, Nugent, IM, Roney, JM, Sobie, RJ, Gershon, TJ, Harrison, PF, Latham, TE, Puccio, EMT, Band, HR, Dasu, S, Pan, Y, Prepost, R, Vuosalo, CO, Wu, SL. (2011). Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-. Physical Review D, 84 (7), 10.1103/PhysRevD.84.071102
DOI: doi:10.1103/PhysRevD.84.071102
ISSN: 1550-7998
EISSN: 1550-2368
Pages: 1 - 58
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review D
Version: Author's manuscript



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