1. Effective lifetime measurements in the B0s → K +K −, B0 → K +π− and B0s → π+K − decays
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Aaij, R, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, Albrecht, J, Alessio, F, Alexander, M., Ali, S, Alkhazov, G, Cartelle, P Alvarez, Alves, A A, Amato, S, Amerio, S, Amhis, Y, Anderlini, L, Anderson, J, Andreassen, R, Andreotti, M, Andrews, J E, Appleby, R B, Gutierrez, O Aquines, Archilli, F, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Bachmann, S, Back, J J, Badalov, A, Balagura, V, Baldini, W, Barlow, R J, Barschel, C, Barsuk, S, Barter, W, Batozskaya, V, Bauer, Th, Bay, A, Beddow, J, Bedeschi, F, Bediaga, I, Belogurov, S, Belous, K, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bettler, M -O, van Beuzekom, M, Bien, A, Bifani, S, Bird, T, Bizzeti, A, Bjørnstad, P M, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Bondar, A, Bondar, N, Bonivento, W, Borghi, S., Borgia, A, Borsato, M, Bowcock, T J V, Bowen, E, Bozzi, C, Brambach, T, van den Brand, J, Bressieux, J, Brett, D, Britsch, M, Britton, T, Brook, N H, Brown, H, Bursche, A, Busetto, G, Buytaert, J, Cadeddu, S, Calabrese, R, Callot, O, Calvi, M, Gomez, M Calvo, Camboni, A, Campana, P, Perez, D Campora, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carranza-Mejia, H, Carson, L, Akiba, K Carvalho, Casse, G, Garcia, L Castillo, Cattaneo, M, Cauet, Ch, Cenci, R, Charles, M, Charpentier, Ph, Cheung, S-F, Chiapolini, N, Chrzaszcz, M, Ciba, K, Vidal, X Cid, Ciezarek, G, Clarke, P E L, Clemencic, M, Cliff, H V, Closier, J, Coca, C, Coco, V, Cogan, J, Cogneras, E, Collins, P, Comerma-Montells, A, Contu, A, Cook, A, Coombes, M, Coquereau, S, Corti, G, Couturier, B, Cowan, G A, Craik, D C, Torres, M Cruz, Cunliffe, S, Currie, R, D’Ambrosio, C, Dalseno, J, David, P, David, P N Y, Davis, A, De Bonis, I, De Bruyn, K, De Capua, S, De Cian, M, De Miranda, J M, De Paula, L, De Silva, W, De Simone, P, Decamp, D, Deckenhoff, M, Buono, L Del, Déléage, N, Derkach, D, Deschamps, O, Dettori, F, Canto, A Di, Dijkstra, H, Donleavy, S, Dordei, F, Dorosz, P, Suárez, A Dosil, Dossett, D, Dovbnya, A, Dupertuis, F, Durante, P, Dzhelyadin, R, Dziurda, A, Dzyuba, A, Easo, S, Egede, U, Egorychev, V, Eidelman, S, van Eijk, D, Eisenhardt, S, Eitschberger, U, Ekelhof, R, Eklund, L., Rifai, I El, Elsasser, Ch, Falabella, A, Färber, C, Farinelli, C, Farry, S, Ferguson, D, Albor, V Fernandez, Rodrigues, F Ferreira, Ferro-Luzzi, M, Filippov, S, Fiore, M, Fiorini, M, Fitzpatrick, C, Fontana, M, Fontanelli, F, Forty, R, Francisco, O, Frank, M, Frei, C, Frosini, M, Furfaro, E, Torreira, A Gallas, Galli, D, Gandelman, M, Gandini, P, Gao, Y, Garofoli, J, Garosi, P, Tico, J Garra, Garrido, L, Gaspar, C, Gauld, R, Gersabeck, E, Gersabeck, M, Gershon, T, Ghez, Ph, Gianelle, A, Gibson, V, Giubega, L, Gligorov, V V, Göbel, C, Golubkov, D, Golutvin, A, Gomes, A, Gordon, H, Gándara, M Grabalosa, Diaz, R Graciani, Cardoso, L A Granado, Graugés, E, Graziani, G, Grecu, A, Greening, E, Gregson, S, Griffith, P, Grillo, L, Grünberg, O, Gui, B, Gushchin, E, Guz, Yu, Gys, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Hafkenscheid, T W, Haines, S C, Hall, S, Hamilton, B, Hampson, T, Hansmann-Menzemer, S, Harnew, N, Harnew, S T, Harrison, J, Hartmann, T, He, J, Head, T, Heijne, V, Hennessy, K, Henrard, P, Morata, J A Hernando, van Herwijnen, E, Heß, M, Hicheur, A, Hill, D, Hoballah, M, Hombach, C, Hulsbergen, W, Hunt, P, Huse, T, Hussain, N, Hutchcroft, D, Hynds, D., Iakovenko, V, Idzik, M, Ilten, P, Jacobsson, R, Jaeger, A, Jans, E, Jaton, P, Jawahery, A, Jing, F, John, M, Johnson, D, Jones, C R, Joram, C, Jost, B, Jurik, N, Kaballo, M, Kandybei, S, Kanso, W, Karacson, M, Karbach, T M, Kenyon, I R, Ketel, T, Khanji, B, Klaver, S, Kochebina, O, Komarov, I, Koopman, R F, Koppenburg, P, Korolev, M, Kozlinskiy, A, Kravchuk, L, Kreplin, K, Kreps, M, Krocker, G, Krokovny, P, Kruse, F, Kucharczyk, M, Kudryavtsev, V, Kurek, K, Kvaratskheliya, T, Thi, V N La, Lacarrere, D, Lafferty, G, Lai, A, Lambert, D, Lambert, R W, Lanciotti, E, Lanfranchi, G, Langenbruch, C, Latham, T, Lazzeroni, C, Le Gac, R, van Leerdam, J, Lees, J-P, Lefèvre, R, Leflat, A, Lefrançois, J, Leo, S, Leroy, O, Lesiak, T, Leverington, B, Li, Y, Liles, M, Lindner, R, Linn, C, Lionetto, F, Liu, B, Liu, G, Lohn, S, Longstaff, I, Lopes, J H, Lopez-March, N, Lowdon, P, Lu, H, Lucchesi, D, Luisier, J, Luo, H, Luppi, E, Lupton, O, Machefert, F, Machikhiliyan, I V, Maciuc, F, Maev, O, Malde, S, Manca, G, Mancinelli, G, Maratas, J, Marconi, U, Marino, P, Märki, R, Marks, J, Martellotti, G, Martens, A, Sánchez, A Martín, Martinelli, M, Santos, D Martinez, Tostes, D Martins, Massafferri, A, Matev, R, Mathe, Z, Matteuzzi, C, Mazurov, A, McCann, M, McCarthy, J, McNab, A, McNulty, R, McSkelly, B, Meadows, B, Meier, F, Meissner, M, Merk, M, Milanes, D A, Minard, M-N, Rodriguez, J Molina, Monteil, S, Moran, D, Morandin, M, Morawski, P, Mordà, A, Morello, M J, Mountain, R, Mous, I, Muheim, F, Müller, K, Muresan, R, Muryn, B, Muster, B, Naik, P, Nakada, T, Nandakumar, R, Nasteva, I, Needham, M, Neubert, S, Neufeld, N, Nguyen, A D, Nguyen, T D, Nguyen-Mau, C, Nicol, M, Niess, V, Niet, R, Nikitin, N, Nikodem, T, Novoselov, A, Oblakowska-Mucha, A, Obraztsov, V, Oggero, S, Ogilvy, S., Okhrimenko, O, Oldeman, R, Onderwater, G, Orlandea, M, Goicochea, J M Otalora, Owen, P, Oyanguren, A, Pal, B K, Palano, A, Palutan, M, Panman, J, Papanestis, A, Pappagallo, M., Pappalardo, L, Parkes, C, Parkinson, C J, Passaleva, G, Patel, G D, Patel, M, Patrignani, C, Pavel-Nicorescu, C, Alvarez, A Pazos, Pearce, A, Pellegrino, A, Penso, G, Altarelli, M Pepe, Perazzini, S, Trigo, E Perez, Perret, P, Perrin-Terrin, M, Pescatore, L, Pesen, E, Pessina, G, Petridis, K, Petrolini, A, Olloqui, E Picatoste, Pietrzyk, B, Pilař, T, Pinci, D, Pistone, A, Playfer, S, Casasus, M Plo, Polci, F, Polok, G, Poluektov, A, Polycarpo, E, Popov, A, Popov, D, Popovici, B, Potterat, C, Powell, A, Prisciandaro, J, Pritchard, A, Prouve, C, Pugatch, V, Navarro, A Puig, Punzi, G, Qian, W, Rachwal, B, Rademacker, J H, Rakotomiaramanana, B, Rama, M, Rangel, M S, Raniuk, I, Rauschmayr, N, Raven, G, Redford, S, Reichert, S, Reid, M M, Reis, A C dos, Ricciardi, S, Richards, A, Rinnert, K, Molina, V Rives, Romero, D A Roa, Robbe, P, Roberts, D A, Rodrigues, A B, Rodrigues, E, Perez, P Rodriguez, Roiser, S, Romanovsky, V, Vidal, A Romero, Rotondo, M, Rouvinet, J, Ruf, T, Ruffini, F, Ruiz, H, Valls, P Ruiz, Sabatino, G, Silva, J J Saborido, Sagidova, N, Sail, P., Saitta, B, Guimaraes, V Salustino, Sedes, B Sanmartin, Santacesaria, R, Rios, C Santamarina, Santovetti, E, Sapunov, M, Sarti, A, Satriano, C, Satta, A, Savrie, M, Savrina, D, Schiller, M, Schindler, H, Schlupp, M, Schmelling, M, Schmidt, B, Schneider, O, Schopper, A, Schune, M-H, Schwemmer, R, Sciascia, B, Sciubba, A, Seco, M, Semennikov, A, Senderowska, K, Sepp, I, Serra, N, Serrano, J, Seyfert, P, Shapkin, M, Shapoval, I, Shcheglov, Y, Shears, T, Shekhtman, L, Shevchenko, O, Shevchenko, V, Shires, A, Coutinho, R Silva, Simi, G, Sirendi, M, Skidmore, N, Skwarnicki, T, Smith, N A, Smith, E, Smith, J, Smith, M, Sokoloff, M D, Soler, F.J.P., Soomro, F, Souza, D, De Paula, B Souza, Spaan, B, Sparkes, A, Spradlin, P., Stagni, F, Stahl, S, Steinkamp, O, Stevenson, S, Stoica, S, Stone, S, Storaci, B, Stracka, S, Straticiuc, M, Straumann, U, Stroili, R, Subbiah, V K, Sun, L, Sutcliffe, W, Swientek, S, Syropoulos, V, Szczekowski, M, Szczypka, P, Szilard, D, Szumlak, T, T’Jampens, S, Teklishyn, M, Tellarini, G, Teodorescu, E, Teubert, F, Thomas, C, Thomas, E, van Tilburg, J, Tisserand, V, Tobin, M, Tolk, S, Tomassetti, L, Tonelli, D, Topp-Joergensen, S, Torr, N, Tournefier, E, Tourneur, S, Tran, M T, Tresch, M, Tsaregorodtsev, A, Tsopelas, P, Tuning, N, Garcia, M Ubeda, Ukleja, A, Ustyuzhanin, A, Uwer, U, Vagnoni, V, Valenti, G, Vallier, A, Gomez, R Vazquez, Regueiro, P Vazquez, Sierra, C Vázquez, Vecchi, S, Velthuis, J J, Veltri, M, Veneziano, G, Vesterinen, M, Viaud, B, Vieira, D, Vilasis-Cardona, X, Vollhardt, A, Volyanskyy, D, 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- Abstract
Measurements of the effective lifetimes in the B0s→K+K−, B0→K+π− and B0s→π+K− decays are presented using 1.0fb−1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. The measured effective lifetimes are \ud \ud τB0s→K+K−=1.407±0.016(stat)±0.007(syst) ps,\ud \ud τB0→K+π−=1.524±0.011(stat)±0.004(syst)ps,\ud \ud τB0s→π+K−=1.60±0.06(stat)±0.01(syst)ps.\ud \ud \ud This is the most precise determination to date of the effective lifetime in the B0s→K+K− decay and provides constraints on contributions from physics beyond the Standard Model to the B0s mixing phase and the width difference ΔΓs.
- Published
- 2014