학술논문

Precision measurement of the $B^{0}_{s}$-$\bar{B}^{0}_{s}$ oscillation frequency with the decay $B^{0}_{s}\rightarrowD^{-}_{s}\pi^{+}$
Document Type
Working Paper
Author
LHCb collaborationAaij, R.Beteta, C. AbellanAdeva, B.Adinolfi, M.Adrover, C.Affolder, A.Ajaltouni, Z.Albrecht, J.Alessio, F.Alexander, M.Ali, S.Alkhazov, G.Cartelle, P. AlvarezAlves Jr, A. A.Amato, S.Amerio, S.Amhis, Y.Anderlini, L.Anderson, J.Andreassen, R.Appleby, R. B.Gutierrez, O. AquinesArchilli, F.Artamonov, A.Artuso, M.Aslanides, E.Auriemma, G.Bachmann, S.Back, J. J.Baesso, C.Balagura, V.Baldini, W.Barlow, R. J.Barschel, C.Barsuk, S.Barter, W.Bauer, Th.Bay, A.Beddow, J.Bedeschi, F.Bediaga, I.Belogurov, S.Belous, K.Belyaev, I.Ben-Haim, E.Benayoun, M.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.Bowcock, T. J. V.Bowen, E.Bozzi, C.Brambach, T.Brand, J. van denBressieux, J.Brett, D.Britsch, M.Britton, T.Brook, N. H.Brown, H.Burducea, I.Bursche, A.Busetto, G.Buytaert, J.Cadeddu, S.Callot, O.Calvi, M.Gomez, M. CalvoCamboni, A.Campana, P.Perez, D. CamporaCarbone, A.Carboni, G.Cardinale, R.Cardini, A.Carranza-Mejia, H.Carson, L.Akiba, K. CarvalhoCasse, G.Cattaneo, M.Cauet, Ch.Charles, M.Charpentier, Ph.Chen, P.Chiapolini, N.Chrzaszcz, M.Ciba, K.Vidal, X. CidCiezarek, 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.Cunliffe, S.Currie, R.D'Ambrosio, C.David, P.David, P. N. Y.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.Del Buono, L.Derkach, D.Deschamps, O.Dettori, F.Di Canto, A.Dijkstra, H.Dogaru, M.Donleavy, S.Dordei, F.Suárez, A. DosilDossett, D.Dovbnya, A.Dupertuis, F.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. ElElsasser, Ch.Elsby, D.Falabella, A.Färber, C.Fardell, G.Farinelli, C.Farry, S.Fave, V.Ferguson, D.Albor, V. FernandezRodrigues, F. FerreiraFerro-Luzzi, M.Filippov, S.Fiore, M.Fitzpatrick, C.Fontana, M.Fontanelli, F.Forty, R.Francisco, O.Frank, M.Frei, C.Frosini, M.Furcas, S.Furfaro, E.Torreira, A. GallasGalli, D.Gandelman, M.Gandini, P.Gao, Y.Garofoli, J.Garosi, P.Tico, J. GarraGarrido, L.Gaspar, C.Gauld, R.Gersabeck, E.Gersabeck, M.Gershon, T.Ghez, Ph.Gibson, V.Gligorov, V. V.Göbel, C.Golubkov, D.Golutvin, A.Gomes, A.Gordon, H.Gándara, M. GrabalosaDiaz, R. GracianiCardoso, L. A. GranadoGraugés, E.Graziani, G.Grecu, A.Greening, E.Gregson, S.Grünberg, O.Gui, B.Gushchin, E.Guz, Yu.Gys, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Haines, S. C.Hall, S.Hampson, T.Hansmann-Menzemer, S.Harnew, N.Harnew, S. T.Harrison, J.Hartmann, T.He, J.Heijne, V.Hennessy, K.Henrard, P.Morata, J. A. Hernandovan Herwijnen, E.Hicks, E.Hill, D.Hoballah, M.Hombach, C.Hopchev, P.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.Jing, F.John, M.Johnson, D.Jones, C. R.Jost, B.Kaballo, M.Kandybei, S.Karacson, M.Karbach, T. M.Kenyon, I. R.Kerzel, U.Ketel, T.Keune, A.Khanji, B.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.Kvaratskheliya, T.La Thi, V. N.Lacarrere, D.Lafferty, G.Lai, A.Lambert, D.Lambert, R. W.Lanciotti, E.Lanfranchi, G.Langenbruch, C.Latham, T.Lazzeroni, C.Gac, R. Levan Leerdam, J.Lees, J. -P.Lefèvre, R.Leflat, A.Lefrançois, J.Leo, S.Leroy, O.Lesiak, T.Leverington, B.Li, Y.Gioi, L. LiLiles, M.Lindner, R.Linn, C.Liu, B.Liu, G.Lohn, S.Longstaff, I.Lopes, J. H.Asamar, E. LopezLopez-March, N.Lu, H.Lucchesi, D.Luisier, J.Luo, H.Machefert, F.Machikhiliyan, I. V.Maciuc, F.Maev, O.Malde, S.Manca, G.Mancinelli, G.Marconi, U.Märki, R.Marks, J.Martellotti, G.Martens, A.Martin, L.Sánchez, A. MartínMartinelli, M.Santos, D. MartinezTostes, D. MartinsMassafferri, A.Matev, R.Mathe, Z.Matteuzzi, C.Maurice, E.Mazurov, A.McCarthy, J.McNab, A.McNulty, R.Meadows, B.Meier, F.Meissner, M.Merk, M.Milanes, D. A.Minard, M. -N.Rodriguez, J. MolinaMonteil, S.Moran, D.Morawski, P.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.Neufeld, N.Nguyen, A. D.Nguyen, T. D.Nguyen-Mau, C.Nicol, M.Niess, V.Niet, R.Nikitin, N.Nikodem, T.Nomerotski, A.Novoselov, A.Oblakowska-Mucha, A.Obraztsov, V.Oggero, S.Ogilvy, S.Okhrimenko, O.Oldeman, R.Orlandea, M.Goicochea, J. M. OtaloraOwen, P.Oyanguren, A.Pal, B. K.Palano, A.Palutan, M.Panman, J.Papanestis, A.Pappagallo, M.Parkes, C.Parkinson, C. J.Passaleva, G.Patel, G. D.Patel, M.Patrick, G. N.Patrignani, C.Pavel-Nicorescu, C.Alvarez, A. PazosPellegrino, A.Penso, G.Altarelli, M. PepePerazzini, S.Perego, D. L.Trigo, E. PerezYzquierdo, A. Pérez-CaleroPerret, P.Perrin-Terrin, M.Pessina, G.Petridis, K.Petrolini, A.Phan, A.Olloqui, E. PicatostePietrzyk, B.Pilař, T.Pinci, D.Playfer, S.Casasus, M. PloPolci, F.Polok, G.Poluektov, A.Polycarpo, E.Popov, D.Popovici, B.Potterat, C.Powell, A.Prisciandaro, J.Pugatch, V.Navarro, A. PuigPunzi, G.Qian, W.Rademacker, J. H.Rakotomiaramanana, B.Rangel, M. S.Raniuk, I.Rauschmayr, N.Raven, G.Redford, S.Reid, M. M.Reis, A. C. dosRicciardi, S.Richards, A.Rinnert, K.Molina, V. RivesRomero, D. A. RoaRobbe, P.Rodrigues, E.Perez, P. RodriguezRoiser, S.Romanovsky, V.Vidal, A. RomeroRouvinet, J.Ruf, T.Ruffini, F.Ruiz, H.Valls, P. RuizSabatino, G.Silva, J. J. SaboridoSagidova, N.Sail, P.Saitta, B.Salzmann, C.Sedes, B. SanmartinSannino, M.Santacesaria, R.Rios, C. SantamarinaSantovetti, E.Sapunov, M.Sarti, A.Satriano, C.Satta, A.Savrie, M.Savrina, D.Schaack, P.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.Shatalov, P.Shcheglov, Y.Shears, T.Shekhtman, L.Shevchenko, O.Shevchenko, V.Shires, A.Coutinho, R. SilvaSkwarnicki, T.Smith, N. A.Smith, E.Smith, M.Sokoloff, M. D.Soler, F. J. P.Soomro, F.Souza, D.De Paula, B. SouzaSpaan, B.Sparkes, A.Spradlin, P.Stagni, F.Stahl, S.Steinkamp, O.Stoica, S.Stone, S.Storaci, B.Straticiuc, M.Straumann, U.Subbiah, V. K.Swientek, S.Syropoulos, V.Szczekowski, M.Szczypka, P.Szumlak, T.T'Jampens, S.Teklishyn, M.Teodorescu, E.Teubert, F.Thomas, C.Thomas, E.van Tilburg, J.Tisserand, V.Tobin, M.Tolk, S.Tonelli, D.Topp-Joergensen, S.Torr, N.Tournefier, E.Tourneur, S.Tran, M. T.Tresch, M.Tsaregorodtsev, A.Tsopelas, P.Tuning, N.Garcia, M. UbedaUkleja, A.Urner, D.Uwer, U.Vagnoni, V.Valenti, G.Gomez, R. VazquezRegueiro, P. VazquezVecchi, S.Velthuis, J. J.Veltri, M.Veneziano, G.Vesterinen, M.Viaud, B.Vieira, D.Vilasis-Cardona, X.Vollhardt, A.Volyanskyy, D.Voong, D.Vorobyev, A.Vorobyev, V.Voß, C.Voss, H.Waldi, R.Wallace, R.Wandernoth, S.Wang, J.Ward, D. R.Watson, N. K.Webber, A. D.Websdale, D.Whitehead, M.Wicht, J.Wiechczynski, J.Wiedner, D.Wiggers, L.Wilkinson, G.Williams, M. P.Williams, M.Wilson, F. F.Wishahi, J.Witek, M.Wotton, S. A.Wright, S.Wu, S.Wyllie, K.Xie, Y.Xing, F.Xing, Z.Yang, Z.Young, R.Yuan, X.Yushchenko, O.Zangoli, M.Zavertyaev, M.Zhang, F.Zhang, L.Zhang, W. C.Zhang, Y.Zhelezov, A.Zhokhov, A.Zhong, L.Zvyagin, A.
Source
New J. Phys. 15 (2013) 053021
Subject
High Energy Physics - Experiment
Language
Abstract
A key ingredient to searches for physics beyond the Standard Model in $B^{0}_{s}$ mixing phenomena is the measurement of the $B^{0}_{s}$-$\bar{B}^{0}_{s}$ oscillation frequency, which is equivalent to the mass difference $\Delta m_{s}$ of the $B^{0}_{s}$ mass eigenstates. Using the world's largest $B^{0}_{s}$ meson sample accumulated in a dataset, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb experiment at the CERN LHC in 2011, a measurement of $\Delta m_{s}$ is presented. A total of about 34,000 $B^{0}_{s}\rightarrowD^{-}_{s}\pi^{+}$ signal decays are reconstructed, with an average decay time resolution of 44 fs. The oscillation frequency is measured to be \mbox{$\Delta m_{s}$ = 17.768 $\pm$ 0.023 (stat) $\pm$ 0.006 (syst) ps$^{-1}$}, which is the most precise measurement to date.