Accueil > LHCb Collection > LHCb Preprints > Search for the decay D0→π+π−μ+μ− |
Article | |
Report number | arXiv:1310.2535 ; LHCB-PAPER-2013-050 ; CERN-PH-EP-2013-183 ; LHCB-PAPER-2013-050 ; CERN-PH-EP-2013-183 |
Title | Search for the decay D0→π+π−μ+μ− |
Author(s) |
Aaij, R (NIKHEF, Amsterdam) ; Adeva, B (U. Santiago de Compostela (main)) ; Adinolfi, M (Bristol U.) ; Adrover, C (Marseille, CPPM) ; Affolder, A (Liverpool U.) ; Ajaltouni, Z (Clermont-Ferrand U.) ; Albrecht, J (Tech. U., Dortmund (main)) ; Alessio, F (CERN) ; Alexander, M (Glasgow U.) ; Ali, S (NIKHEF, Amsterdam) ; Alkhazov, G (St. Petersburg, INP) ; Alvarez Cartelle, P (U. Santiago de Compostela (main)) ; Alves Jr, A A (INFN, Rome) ; Amato, S (Rio de Janeiro Federal U.) ; Amerio, S (INFN, Padua) ; Amhis, Y (Orsay, LAL) ; Anderlini, L (INFN, Florence ; Florence U.) ; Anderson, J (Zurich U.) ; Andreassen, R (Cincinnati U.) ; Andrews, J E (Maryland U., College Park) ; Appleby, R B (Manchester U.) ; Aquines Gutierrez, O (Heidelberg, Max Planck Inst.) ; Archilli, F (Frascati) ; Artamonov, A (Serpukhov, IHEP) ; Artuso, M (Syracuse U.) ; Aslanides, E (Marseille, CPPM) ; Auriemma, G (INFN, Rome ; Basilicata U., Potenza) ; Baalouch, M (Clermont-Ferrand U.) ; Bachmann, S (Heidelberg U.) ; Back, J J (Warwick U.) ; Badalov, A (U. Barcelona (main)) ; Baesso, C (Rio de Janeiro, Pont. U. Catol.) ; Balagura, V (Moscow, ITEP) ; Baldini, W (INFN, Ferrara) ; Barlow, R J (Manchester U.) ; Barschel, C (CERN) ; Barsuk, S (Orsay, LAL) ; Barter, W (Cambridge U.) ; Bauer, Th (NIKHEF, Amsterdam) ; Bay, A (Ecole Polytechnique, Lausanne) ; Beddow, J (Glasgow U.) ; Bedeschi, F (INFN, Pisa) ; Bediaga, I (Rio de Janeiro, CBPF) ; Belogurov, S (Moscow, ITEP) ; Belous, K (Serpukhov, IHEP) ; Belyaev, I (Moscow, ITEP) ; Ben-Haim, E (Paris U., VI-VII) ; Bencivenni, G (Frascati) ; Benson, S (Edinburgh U.) ; Benton, J (Bristol U.) ; Berezhnoy, A (SINP, Moscow) ; Bernet, R (Zurich U.) ; Bettler, M -O (Cambridge U.) ; van Beuzekom, M (NIKHEF, Amsterdam) ; Bien, A (Heidelberg U.) ; Bifani, S (Birmingham U.) ; Bird, T (Manchester U.) ; Bizzeti, A (INFN, Florence ; U. Modena (main)) ; Bjørnstad, P M (Manchester U.) ; Blake, T (CERN) ; Blanc, F (Ecole Polytechnique, Lausanne) ; Blouw, J (Heidelberg, Max Planck Inst.) ; Blusk, S (Syracuse U.) ; Bocci, V (INFN, Rome) ; Bondar, A (Novosibirsk, IYF) ; Bondar, N (St. Petersburg, INP) ; Bonivento, W (INFN, Cagliari) ; Borghi, S (Manchester U.) ; Borgia, A (Syracuse U.) ; Bowcock, T J V (Liverpool U.) ; Bowen, E (Zurich U.) ; Bozzi, C (INFN, Ferrara) ; Brambach, T (Tech. U., Dortmund (main)) ; van den Brand, J (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Bressieux, J (Ecole Polytechnique, Lausanne) ; Brett, D (Manchester U.) ; Britsch, M (Heidelberg, Max Planck Inst.) ; Britton, T (Syracuse U.) ; Brook, N H (Bristol U.) ; Brown, H (Liverpool U.) ; Bursche, A (Zurich U.) ; Busetto, G (INFN, Padua ; U. Padua (main)) ; Buytaert, J (CERN) ; Cadeddu, S (INFN, Cagliari) ; Callot, O (Orsay, LAL) ; Calvi, M (INFN, Milan Bicocca ; Milan Bicocca U.) ; Calvo Gomez, M (U. Barcelona (main) ; Ramon Llull U., Barcelona) ; Camboni, A (U. Barcelona (main)) ; Campana, P (Frascati ; CERN) ; Campora Perez, D (CERN) ; Carbone, A (INFN, Bologna ; Bologna U.) ; Carboni, G (INFN, Rome2 ; Rome U., Tor Vergata) ; Cardinale, R (INFN, Genoa ; Genoa U.) ; Cardini, A (INFN, Cagliari) ; Carranza-Mejia, H (Edinburgh U.) ; Carson, L (Imperial Coll., London) ; Carvalho Akiba, K (Rio de Janeiro Federal U.) ; Casse, G (Liverpool U.) ; Castillo Garcia, L (CERN) ; Cattaneo, M (CERN) ; Cauet, Ch (Tech. U., Dortmund (main)) ; Cenci, R (Maryland U., College Park) ; Charles, M (Oxford U.) ; Charpentier, Ph (CERN) ; Cheung, S -F (Oxford U.) ; Chiapolini, N (Zurich U.) ; Chrzaszcz, M (Zurich U. ; Cracow, INP) ; Ciba, K (CERN) ; Cid Vidal, X (CERN) ; Ciezarek, G (Imperial Coll., London) ; Clarke, P E L (Edinburgh U.) ; Clemencic, M (CERN) ; Cliff, H V (Cambridge U.) ; Closier, J (CERN) ; Coca, C (Bucharest, IFIN-HH) ; Coco, V (NIKHEF, Amsterdam) ; Cogan, J (Marseille, CPPM) ; Cogneras, E (Clermont-Ferrand U.) ; Collins, P (CERN) ; Comerma-Montells, A (U. Barcelona (main)) ; Contu, A (INFN, Cagliari ; CERN) ; Cook, A (Bristol U.) ; Coombes, M (Bristol U.) ; Coquereau, S (Paris U., VI-VII) ; Corti, G (CERN) ; Couturier, B (CERN) ; Cowan, G A (Edinburgh U.) ; Craik, D C (Warwick U.) ; Cruz Torres, M (Rio de Janeiro, Pont. U. Catol.) ; Cunliffe, S (Imperial Coll., London) ; Currie, R (Edinburgh U.) ; D'Ambrosio, C (CERN) ; David, P (Paris U., VI-VII) ; David, P N Y (NIKHEF, Amsterdam) ; Davis, A (Cincinnati U.) ; De Bonis, I (Annecy, LAPP) ; De Bruyn, K (NIKHEF, Amsterdam) ; De Capua, S (Manchester U.) ; De Cian, M (Heidelberg U.) ; De Miranda, J M (Rio de Janeiro, CBPF) ; De Paula, L (Rio de Janeiro Federal U.) ; De Silva, W (Cincinnati U.) ; De Simone, P (Frascati) ; Decamp, D (Annecy, LAPP) ; Deckenhoff, M (Tech. U., Dortmund (main)) ; Del Buono, L (Paris U., VI-VII) ; Déléage, N (Annecy, LAPP) ; Derkach, D (Oxford U.) ; Deschamps, O (Clermont-Ferrand U.) ; Dettori, F (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Di Canto, A (Heidelberg U.) ; Dijkstra, H (CERN) ; Dogaru, M (Bucharest, IFIN-HH) ; Donleavy, S (Liverpool U.) ; Dordei, F (Heidelberg U.) ; Dosil Suárez, A (U. Santiago de Compostela (main)) ; Dossett, D (Warwick U.) ; Dovbnya, A (Kharkov, KIPT) ; Dupertuis, F (Ecole Polytechnique, Lausanne) ; Durante, P (CERN) ; Dzhelyadin, R (Serpukhov, IHEP) ; Dziurda, A (Cracow, INP) ; Dzyuba, A (St. Petersburg, INP) ; Easo, S (Rutherford) ; Egede, U (Imperial Coll., London) ; Egorychev, V (Moscow, ITEP) ; Eidelman, S (Novosibirsk, IYF) ; van Eijk, D (NIKHEF, Amsterdam) ; Eisenhardt, S (Edinburgh U.) ; Eitschberger, U (Tech. U., Dortmund (main)) ; Ekelhof, R (Tech. U., Dortmund (main)) ; Eklund, L (Glasgow U. ; CERN) ; El Rifai, I (Clermont-Ferrand U.) ; Elsasser, Ch (Zurich U.) ; Falabella, A (INFN, Bologna ; Ferrara U.) ; Färber, C (Heidelberg U.) ; Farinelli, C (NIKHEF, Amsterdam) ; Farry, S (Liverpool U.) ; Ferguson, D (Edinburgh U.) ; Fernandez Albor, V (U. Santiago de Compostela (main)) ; Ferreira Rodrigues, F (Rio de Janeiro, CBPF) ; Ferro-Luzzi, M (CERN) ; Filippov, S (Moscow, INR) ; Fiore, M (INFN, Ferrara ; Ferrara U.) ; Fitzpatrick, C (CERN) ; Fontana, M (Heidelberg, Max Planck Inst.) ; Fontanelli, F (INFN, Genoa ; Genoa U.) ; Forty, R (CERN) ; Francisco, O (Rio de Janeiro Federal U.) ; Frank, M (CERN) ; Frei, C (CERN) ; Frosini, M (INFN, Florence ; CERN ; Florence U.) ; Furfaro, E (INFN, Rome2 ; Rome U., Tor Vergata) ; Gallas Torreira, A (U. Santiago de Compostela (main)) ; Galli, D (INFN, Bologna ; Bologna U.) ; Gandelman, M (Rio de Janeiro Federal U.) ; Gandini, P (Syracuse U.) ; Gao, Y (Tsinghua U., Beijing, CHEP) ; Garofoli, J (Syracuse U.) ; Garosi, P (Manchester U.) ; Garra Tico, J (Cambridge U.) ; Garrido, L (U. Barcelona (main)) ; Gaspar, C (CERN) ; Gauld, R (Oxford U.) ; Gersabeck, E (Heidelberg U.) ; Gersabeck, M (Manchester U.) ; Gershon, T (Warwick U.) ; Ghez, Ph (Annecy, LAPP) ; Gibson, V (Cambridge U.) ; Giubega, L (Bucharest, IFIN-HH) ; Gligorov, V V (CERN) ; Göbel, C (Rio de Janeiro, Pont. U. Catol.) ; Golubkov, D (Moscow, ITEP) ; Golutvin, A (Imperial Coll., London ; Moscow, ITEP ; CERN) ; Gomes, A (Rio de Janeiro Federal U.) ; Gorbounov, P (Moscow, ITEP ; CERN) ; Gordon, H (CERN) ; Grabalosa Gándara, M (Clermont-Ferrand U.) ; Graciani Diaz, R (U. Barcelona (main)) ; Granado Cardoso, L A (CERN) ; Graugés, E (U. Barcelona (main)) ; Graziani, G (INFN, Florence) ; Grecu, A (Bucharest, IFIN-HH) ; Greening, E (Oxford U.) ; Gregson, S (Cambridge U.) ; Griffith, P (Birmingham U.) ; Grillo, L (Heidelberg U.) ; Grünberg, O (Rostock U.) ; Gui, B (Syracuse U.) ; Gushchin, E (Moscow, INR) ; Guz, Yu (Serpukhov, IHEP ; CERN) ; Gys, T (CERN) ; Hadjivasiliou, C (Syracuse U.) ; Haefeli, G (Ecole Polytechnique, Lausanne) ; Haen, C (CERN) ; Haines, S C (Cambridge U.) ; Hall, S (Imperial Coll., London) ; Hamilton, B (Maryland U., College Park) ; Hampson, T (Bristol U.) ; Hansmann-Menzemer, S (Heidelberg U.) ; Harnew, N (Oxford U.) ; Harnew, S T (Bristol U.) ; Harrison, J (Manchester U.) ; Hartmann, T (Rostock U.) ; He, J (CERN) ; Head, T (CERN) ; Heijne, V (NIKHEF, Amsterdam) ; Hennessy, K (Liverpool U.) ; Henrard, P (Clermont-Ferrand U.) ; Hernando Morata, J A (U. Santiago de Compostela (main)) ; van Herwijnen, E (CERN) ; Heß, M (Rostock U.) ; Hicheur, A (Rio de Janeiro, CBPF) ; Hicks, E (Liverpool U.) ; Hill, D (Oxford U.) ; Hoballah, M (Clermont-Ferrand U.) ; Hombach, C (Manchester U.) ; Hulsbergen, W (NIKHEF, Amsterdam) ; Hunt, P (Oxford U.) ; Huse, T (Liverpool U.) ; Hussain, N (Oxford U.) ; Hutchcroft, D (Liverpool U.) ; Hynds, D (Glasgow U.) ; Iakovenko, V (Kiev, INR) ; Idzik, M (AGH-UST, Cracow) ; Ilten, P (University Coll., Dublin) ; Jacobsson, R (CERN) ; Jaeger, A (Heidelberg U.) ; Jans, E (NIKHEF, Amsterdam) ; Jaton, P (Ecole Polytechnique, Lausanne) ; Jawahery, A (Maryland U., College Park) ; Jing, F (Tsinghua U., Beijing, CHEP) ; John, M (Oxford U.) ; Johnson, D (Oxford U.) ; Jones, C R (Cambridge U.) ; Joram, C (CERN) ; Jost, B (CERN) ; Kaballo, M (Tech. U., Dortmund (main)) ; Kandybei, S (Kharkov, KIPT) ; Kanso, W (Marseille, CPPM) ; Karacson, M (CERN) ; Karbach, T M (CERN) ; Kenyon, I R (Birmingham U.) ; Ketel, T (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Khanji, B (INFN, Milan Bicocca) ; Kochebina, O (Orsay, LAL) ; Komarov, I (Ecole Polytechnique, Lausanne) ; Koopman, R F (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Koppenburg, P (NIKHEF, Amsterdam) ; Korolev, M (SINP, Moscow) ; Kozlinskiy, A (NIKHEF, Amsterdam) ; Kravchuk, L (Moscow, INR) ; Kreplin, K (Heidelberg U.) ; Kreps, M (Warwick U.) ; Krocker, G (Heidelberg U.) ; Krokovny, P (Novosibirsk, IYF) ; Kruse, F (Tech. U., Dortmund (main)) ; Kucharczyk, M (INFN, Milan Bicocca ; Cracow, INP ; CERN ; Milan Bicocca U.) ; Kudryavtsev, V (Novosibirsk, IYF) ; Kurek, K (NCBJ, Swierk) ; Kvaratskheliya, T (Moscow, ITEP ; CERN) ; La Thi, V N (Ecole Polytechnique, Lausanne) ; Lacarrere, D (CERN) ; Lafferty, G (Manchester U.) ; Lai, A (INFN, Cagliari) ; Lambert, D (Edinburgh U.) ; Lambert, R W (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Lanciotti, E (CERN) ; Lanfranchi, G (Frascati) ; Langenbruch, C (CERN) ; Latham, T (Warwick U.) ; Lazzeroni, C (Birmingham U.) ; Le Gac, R (Marseille, CPPM) ; van Leerdam, J (NIKHEF, Amsterdam) ; Lees, J -P (Annecy, LAPP) ; Lefèvre, R (Clermont-Ferrand U.) ; Leflat, A (SINP, Moscow) ; Lefrançois, J (Orsay, LAL) ; Leo, S (INFN, Pisa) ; Leroy, O (Marseille, CPPM) ; Lesiak, T (Cracow, INP) ; Leverington, B (Heidelberg U.) ; Li, Y (Tsinghua U., Beijing, CHEP) ; Li Gioi, L (Clermont-Ferrand U.) ; Liles, M (Liverpool U.) ; Lindner, R (CERN) ; Linn, C (Heidelberg U.) ; Liu, B (Tsinghua U., Beijing, CHEP) ; Liu, G (CERN) ; Lohn, S (CERN) ; Longstaff, I (Glasgow U.) ; Lopes, J H (Rio de Janeiro Federal U.) ; Lopez-March, N (Ecole Polytechnique, Lausanne) ; Lu, H (Tsinghua U., Beijing, CHEP) ; Lucchesi, D (INFN, Padua ; U. Padua (main)) ; Luisier, J (Ecole Polytechnique, Lausanne) ; Luo, H (Edinburgh U.) ; Lupton, O (Oxford U.) ; Machefert, F (Orsay, LAL) ; Machikhiliyan, I V (Moscow, ITEP) ; Maciuc, F (Bucharest, IFIN-HH) ; Maev, O (St. Petersburg, INP ; CERN) ; Malde, S (Oxford U.) ; Manca, G (INFN, Cagliari ; Cagliari U.) ; Mancinelli, G (Marseille, CPPM) ; Maratas, J (Clermont-Ferrand U.) ; Marconi, U (INFN, Bologna) ; Marino, P (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Märki, R (Ecole Polytechnique, Lausanne) ; Marks, J (Heidelberg U.) ; Martellotti, G (INFN, Rome) ; Martens, A (Paris U., VI-VII) ; Martín Sánchez, A (Orsay, LAL) ; Martinelli, M (NIKHEF, Amsterdam) ; Martinez Santos, D (NIKHEF, Amsterdam ; Vrije U., Amsterdam ; CERN) ; Martins Tostes, D (Rio de Janeiro Federal U.) ; Martynov, A (SINP, Moscow) ; Massafferri, A (Rio de Janeiro, CBPF) ; Matev, R (CERN) ; Mathe, Z (CERN) ; Matteuzzi, C (INFN, Milan Bicocca) ; Maurice, E (Marseille, CPPM) ; Mazurov, A (INFN, Ferrara ; CERN ; Ferrara U.) ; McCarthy, J (Birmingham U.) ; McNab, A (Manchester U.) ; McNulty, R (University Coll., Dublin) ; McSkelly, B (Liverpool U.) ; Meadows, B (Cincinnati U. ; Oxford U.) ; Meier, F (Tech. U., Dortmund (main)) ; Meissner, M (Heidelberg U.) ; Merk, M (NIKHEF, Amsterdam) ; Milanes, D A (Paris U., VI-VII) ; Minard, M -N (Annecy, LAPP) ; Molina Rodriguez, J (Rio de Janeiro, Pont. U. Catol.) ; Monteil, S (Clermont-Ferrand U.) ; Moran, D (Manchester U.) ; Morawski, P (Cracow, INP) ; Mordà, A (Marseille, CPPM) ; Morello, M J (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Mountain, R (Syracuse U.) ; Mous, I (NIKHEF, Amsterdam) ; Muheim, F (Edinburgh U.) ; Müller, K (Zurich U.) ; Muresan, R (Bucharest, IFIN-HH) ; Muryn, B (AGH-UST, Cracow) ; Muster, B (Ecole Polytechnique, Lausanne) ; Naik, P (Bristol U.) ; Nakada, T (Ecole Polytechnique, Lausanne) ; Nandakumar, R (Rutherford) ; Nasteva, I (Rio de Janeiro, CBPF) ; Needham, M (Edinburgh U.) ; Neubert, S (CERN) ; Neufeld, N (CERN) ; Nguyen, A D (Ecole Polytechnique, Lausanne) ; Nguyen, T D (Ecole Polytechnique, Lausanne) ; Nguyen-Mau, C (Ecole Polytechnique, Lausanne ; Hanoi U.) ; Nicol, M (Orsay, LAL) ; Niess, V (Clermont-Ferrand U.) ; Niet, R (Tech. U., Dortmund (main)) ; Nikitin, N (SINP, Moscow) ; Nikodem, T (Heidelberg U.) ; Nomerotski, A (Oxford U.) ; Novoselov, A (Serpukhov, IHEP) ; Oblakowska-Mucha, A (AGH-UST, Cracow) ; Obraztsov, V (Serpukhov, IHEP) ; Oggero, S (NIKHEF, Amsterdam) ; Ogilvy, S (Glasgow U.) ; Okhrimenko, O (Kiev, INR) ; Oldeman, R (INFN, Cagliari ; Cagliari U.) ; Orlandea, M (Bucharest, IFIN-HH) ; Otalora Goicochea, J M (Rio de Janeiro Federal U.) ; Owen, P (Imperial Coll., London) ; Oyanguren, A (U. Barcelona (main)) ; Pal, B K (Syracuse U.) ; Palano, A (INFN, Bari ; Bari U.) ; Palutan, M (Frascati) ; Panman, J (CERN) ; Papanestis, A (Rutherford) ; Pappagallo, M (Glasgow U.) ; Parkes, C (Manchester U.) ; Parkinson, C J (Imperial Coll., London) ; Passaleva, G (INFN, Florence) ; Patel, G D (Liverpool U.) ; Patel, M (Imperial Coll., London) ; Patrick, G N (Rutherford) ; Patrignani, C (INFN, Genoa ; Genoa U.) ; Pavel-Nicorescu, C (Bucharest, IFIN-HH) ; Pazos Alvarez, A (U. Santiago de Compostela (main)) ; Pearce, A (Manchester U.) ; Pellegrino, A (NIKHEF, Amsterdam) ; Penso, G (INFN, Rome ; U. Rome La Sapienza (main)) ; Pepe Altarelli, M (CERN) ; Perazzini, S (INFN, Bologna ; Bologna U.) ; Perez Trigo, E (U. Santiago de Compostela (main)) ; Pérez-Calero Yzquierdo, A (U. Barcelona (main)) ; Perret, P (Clermont-Ferrand U.) ; Perrin-Terrin, M (Marseille, CPPM) ; Pescatore, L (Birmingham U.) ; Pesen, E (Celal Bayar U.) ; Pessina, G (INFN, Milan Bicocca) ; Petridis, K (Imperial Coll., London) ; Petrolini, A (INFN, Genoa ; Genoa U.) ; Phan, A (Syracuse U.) ; Picatoste Olloqui, E (U. Barcelona (main)) ; Pietrzyk, B (Annecy, LAPP) ; Pilař, T (Warwick U.) ; Pinci, D (INFN, Rome) ; Playfer, S (Edinburgh U.) ; Plo Casasus, M (U. Santiago de Compostela (main)) ; Polci, F (Paris U., VI-VII) ; Polok, G (Cracow, INP) ; Poluektov, A (Warwick U. ; Novosibirsk, IYF) ; Polycarpo, E (Rio de Janeiro Federal U.) ; Popov, A (Serpukhov, IHEP) ; Popov, D (Heidelberg, Max Planck Inst.) ; Popovici, B (Bucharest, IFIN-HH) ; Potterat, C (U. Barcelona (main)) ; Powell, A (Oxford U.) ; Prisciandaro, J (Ecole Polytechnique, Lausanne) ; Pritchard, A (Liverpool U.) ; Prouve, C (Orsay, LAL) ; Pugatch, V (Kiev, INR) ; Puig Navarro, A (Ecole Polytechnique, Lausanne) ; Punzi, G (INFN, Pisa) ; Qian, W (Annecy, LAPP) ; Rachwal, B (Cracow, INP) ; Rademacker, J H (Bristol U.) ; Rakotomiaramanana, B (Ecole Polytechnique, Lausanne) ; Rangel, M S (Rio de Janeiro Federal U.) ; Raniuk, I (Kharkov, KIPT) ; Rauschmayr, N (CERN) ; Raven, G (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Redford, S (Oxford U.) ; Reichert, S (Manchester U.) ; Reid, M M (Warwick U.) ; dos Reis, A C (Rio de Janeiro, CBPF) ; Ricciardi, S (Rutherford) ; Richards, A (Imperial Coll., London) ; Rinnert, K (Liverpool U.) ; Rives Molina, V (U. Barcelona (main)) ; Roa Romero, D A (Clermont-Ferrand U.) ; Robbe, P (Orsay, LAL) ; Roberts, D A (Maryland U., College Park) ; Rodrigues, A B (Rio de Janeiro, CBPF) ; Rodrigues, E (Manchester U.) ; Rodriguez Perez, P (U. Santiago de Compostela (main)) ; Roiser, S (CERN) ; Romanovsky, V (Serpukhov, IHEP) ; Romero Vidal, A (U. Santiago de Compostela (main)) ; Rotondo, M (INFN, Padua) ; Rouvinet, J (Ecole Polytechnique, Lausanne) ; Ruf, T (CERN) ; Ruffini, F (INFN, Pisa) ; Ruiz, H (U. Barcelona (main)) ; Ruiz Valls, P (U. Barcelona (main)) ; Sabatino, G (INFN, Rome ; Rome U., Tor Vergata) ; Saborido Silva, J J (U. Santiago de Compostela (main)) ; Sagidova, N (St. Petersburg, INP) ; Sail, P (Glasgow U.) ; Saitta, B (INFN, Cagliari ; Cagliari U.) ; Salustino Guimaraes, V (Rio de Janeiro Federal U.) ; Sanmartin Sedes, B (U. Santiago de Compostela (main)) ; Santacesaria, R (INFN, Rome) ; Santamarina Rios, C (U. Santiago de Compostela (main)) ; Santovetti, E (INFN, Rome2 ; Rome U., Tor Vergata) ; Sapunov, M (Marseille, CPPM) ; Sarti, A (Frascati) ; Satriano, C (INFN, Rome ; Basilicata U., Potenza) ; Satta, A (INFN, Rome2) ; Savrie, M (INFN, Ferrara ; Ferrara U.) ; Savrina, D (Moscow, ITEP ; SINP, Moscow) ; Schiller, M (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Schindler, H (CERN) ; Schlupp, M (Tech. U., Dortmund (main)) ; Schmelling, M (Heidelberg, Max Planck Inst.) ; Schmidt, B (CERN) ; Schneider, O (Ecole Polytechnique, Lausanne) ; Schopper, A (CERN) ; Schune, M -H (Orsay, LAL) ; Schwemmer, R (CERN) ; Sciascia, B (Frascati) ; Sciubba, A (INFN, Rome) ; Seco, M (U. Santiago de Compostela (main)) ; Semennikov, A (Moscow, ITEP) ; Senderowska, K (AGH-UST, Cracow) ; Sepp, I (Imperial Coll., London) ; Serra, N (Zurich U.) ; Serrano, J (Marseille, CPPM) ; Seyfert, P (Heidelberg U.) ; Shapkin, M (Serpukhov, IHEP) ; Shapoval, I (INFN, Ferrara ; Kharkov, KIPT ; Ferrara U.) ; Shcheglov, Y (St. Petersburg, INP) ; Shears, T (Liverpool U.) ; Shekhtman, L (Novosibirsk, IYF) ; Shevchenko, O (Kharkov, KIPT) ; Shevchenko, V (Moscow, ITEP) ; Shires, A (Tech. U., Dortmund (main)) ; Silva Coutinho, R (Warwick U.) ; Sirendi, M (Cambridge U.) ; Skidmore, N (Bristol U.) ; Skwarnicki, T (Syracuse U.) ; Smith, N A (Liverpool U.) ; Smith, E (Oxford U. ; Rutherford) ; Smith, E (Imperial Coll., London) ; Smith, J (Cambridge U.) ; Smith, M (Manchester U.) ; Sokoloff, M D (Cincinnati U.) ; Soler, F J P (Glasgow U.) ; Soomro, F (Ecole Polytechnique, Lausanne) ; Souza, D (Bristol U.) ; Souza De Paula, B (Rio de Janeiro Federal U.) ; Spaan, B (Tech. U., Dortmund (main)) ; Sparkes, A (Edinburgh U.) ; Spradlin, P (Glasgow U.) ; Stagni, F (CERN) ; Stahl, S (Heidelberg U.) ; Steinkamp, O (Zurich U.) ; Stevenson, S (Oxford U.) ; Stoica, S (Bucharest, IFIN-HH) ; Stone, S (Syracuse U.) ; Storaci, B (Zurich U.) ; Straticiuc, M (Bucharest, IFIN-HH) ; Straumann, U (Zurich U.) ; Subbiah, V K (CERN) ; Sun, L (Cincinnati U.) ; Sutcliffe, W (Imperial Coll., London) ; Swientek, S (Tech. 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Publication | 2014-01-20 |
Imprint | 9 Oct 2013 |
Number of pages | 10 |
In: | Phys. Lett. B 728 (2014) 234-243 |
DOI | 10.1016/j.physletb.2013.11.053 |
Subject category | Particle Physics - Experiment |
Accelerator/Facility, Experiment | CERN LHC ; LHCb |
Free keywords | flavor physics ; charm physics ; rare decay |
Abstract | A search for the D0→π+π−μ+μ− decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0fb−1 recorded by the LHCb experiment at a centre-of-mass energy of 7TeV. No signal is observed and an upper limit on the relative branching fraction with respect to the resonant decay mode D0→π+π−ϕ(→μ+μ−), under the assumption of a phase-space model, is found to be B(D0→π+π−μ+μ−)/B(D0→π+π−ϕ(→μ+μ−))<0.96 at the 90% confidence level. The upper limit on the absolute branching fraction is evaluated to be B(D0→π+π−μ+μ−)<5.5×10−7 at 90% confidence level. This is the most stringent to date. |
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