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Search for the rare decay $D^0 \to \mu^+ \mu^-$

A search for the rare decay $D^0 \to \mu^+ \mu^-$is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb$^{-1}$, of $pp$ collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The observed number of events is consistent with the background expe...

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Thomas, Bizzeti, Andrea, Bjørnstad, Pål Marius, Blake, Thomas, Blanc, Frédéric, Blouw, Johan, Blusk, Steven, Bocci, Valerio, Bondar, Alexander, Bondar, Nikolay, Bonivento, Walter, Borghi, Silvia, Borgia, Alessandra, Bowcock, Themistocles, Bowen, Espen Eie, Bozzi, Concezio, Brambach, Tobias, van den Brand, Johannes, Bressieux, Joël, Brett, David, Britsch, Markward, Britton, Thomas, Brook, Nicholas, Brown, Henry, Burducea, Ion, Bursche, Albert, Busetto, Giovanni, Buytaert, Jan, Cadeddu, Sandro, Callot, Olivier, Calvi, Marta, Calvo Gomez, Miriam, Camboni, Alessandro, Campana, Pierluigi, Campora Perez, Daniel, Carbone, Angelo, Carboni, Giovanni, Cardinale, Roberta, Cardini, Alessandro, Carranza-Mejia, Hector, Carson, Laurence, Carvalho Akiba, Kazuyoshi, Casse, Gianluigi, Castillo Garcia, Lucia, Cattaneo, Marco, Cauet, Christophe, Charles, Matthew, Charpentier, Philippe, Chen, Pujiang, Chiapolini, Nicola, Chrzaszcz, Marcin, Ciba, Krzystof, Cid Vidal, Xabier, Ciezarek, Gregory, Clarke, 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Daan, Eisenhardt, Stephan, Eitschberger, Ulrich, Ekelhof, Robert, Eklund, Lars, El Rifai, Ibrahim, Elsasser, Christian, Elsby, Daniel, Falabella, Antonio, Färber, Christian, Fardell, Gemma, Farinelli, Chiara, Farry, Stephen, Fave, Vincent, Ferguson, Dianne, Fernandez Albor, Victor, Ferreira Rodrigues, Fernando, Ferro-Luzzi, Massimiliano, Filippov, Sergey, Fiore, Marco, Fitzpatrick, Conor, Fontana, Marianna, Fontanelli, Flavio, Forty, Roger, Francisco, Oscar, Frank, Markus, Frei, Christoph, Frosini, Maddalena, Furcas, Sara, Furfaro, Emiliano, Gallas Torreira, Abraham, Galli, Domenico, Gandelman, Miriam, Gandini, Paolo, Gao, Yuanning, Garofoli, Justin, Garosi, Paola, Garra Tico, Jordi, Garrido, Lluis, Gaspar, Clara, Gauld, Rhorry, Gersabeck, Evelina, Gersabeck, Marco, Gershon, Timothy, Ghez, Philippe, Gibson, Valerie, Gligorov, Vladimir, Göbel, Carla, Golubkov, Dmitry, Golutvin, Andrey, Gomes, Alvaro, Gordon, Hamish, Grabalosa Gándara, Marc, Graciani Diaz, Ricardo, Granado Cardoso, Luis 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Machikhiliyan, Irina V., Maciuc, Florin, Maev, Oleg, Malde, Sneha, Manca, Giulia, Mancinelli, Giampiero, Marconi, Umberto, Märki, Raphael, Marks, Jörg, Martellotti, Giuseppe, Martens, Aurelien, Martin, Lauren, Martín Sánchez, Alexandra, Martinelli, Maurizio, Martinez Santos, Diego, Martins Tostes, Danielle, Massafferri, André, Matev, Rosen, Mathe, Zoltan, Matteuzzi, Clara, Maurice, Emilie, Mazurov, Alexander, McCarthy, James, McNab, Andrew, McNulty, Ronan, Meadows, Brian, Meier, Frank, Meissner, Marco, Merk, Marcel, Milanes, Diego Alejandro, Minard, Marie-Noelle, Molina Rodriguez, Josue, Monteil, Stephane, Moran, Dermot, Morawski, Piotr, Morello, Michael Joseph, Mountain, Raymond, Mous, Ivan, Muheim, Franz, Müller, Katharina, Muresan, Raluca, Muryn, Bogdan, Muster, Bastien, Naik, Paras, Nakada, Tatsuya, Nandakumar, Raja, Nasteva, Irina, Needham, Matthew, Neufeld, Niko, Nguyen, Anh Duc, Nguyen, Thi-Dung, Nguyen-Mau, Chung, Nicol, Michelle, Niess, Valentin, Niet, Ramon, Nikitin, Nikolay, Nikodem, Thomas, Nomerotski, Andrey, Novoselov, Alexey, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Oggero, Serena, Ogilvy, Stephen, Okhrimenko, Oleksandr, Oldeman, Rudolf, Orlandea, Marius, Otalora Goicochea, Juan Martin, Owen, Patrick, Oyanguren, Maria Arantza, Pal, Bilas Kanti, Palano, Antimo, Palutan, Matteo, Panman, Jacob, Papanestis, Antonios, Pappagallo, Marco, Parkes, Christopher, Parkinson, Christopher John, Passaleva, Giovanni, Patel, Girish, Patel, Mitesh, Patrick, Glenn, Patrignani, Claudia, Pavel-Nicorescu, Carmen, Pazos Alvarez, Antonio, Pellegrino, Antonio, Penso, Gianni, Pepe Altarelli, Monica, Perazzini, Stefano, Perego, Davide L., Perez Trigo, Eliseo, Pérez-Calero Yzquierdo, Antonio, Perret, Pascal, Perrin-Terrin, Mathieu, Pessina, Gianluigi, Petridis, Konstantin, Petrolini, Alessandro, Phan, Anna, Picatoste Olloqui, Eduardo, Pietrzyk, Boleslaw, Pilař, Tomas, Pinci, Davide, Playfer, Stephen, Plo Casasus, Maximo, Polci, Francesco, Polok, Grzegorz, Poluektov, Anton, Polycarpo, Erica, Popov, Alexander, Popov, Dmitry, Popovici, Bogdan, Potterat, Cédric, Powell, Andrew, Prisciandaro, Jessica, Pritchard, Adrian, Prouve, Claire, Pugatch, Valery, Puig Navarro, Albert, Punzi, Giovanni, Qian, Wenbin, Rademacker, Jonas, Rakotomiaramanana, Barinjaka, Rangel, Murilo, Raniuk, Iurii, Rauschmayr, Nathalie, Raven, Gerhard, Redford, Sophie, Reid, Matthew, dos Reis, Alberto, Ricciardi, Stefania, Richards, Alexander, Rinnert, Kurt, Rives Molina, Vincente, Roa Romero, Diego, Robbe, Patrick, Rodrigues, Eduardo, Rodriguez Perez, Pablo, Roiser, Stefan, Romanovsky, Vladimir, Romero Vidal, Antonio, Rouvinet, Julien, Ruf, Thomas, Ruffini, Fabrizio, Ruiz, Hugo, Ruiz Valls, Pablo, Sabatino, Giovanni, Saborido Silva, Juan Jose, Sagidova, Naylya, Sail, Paul, Saitta, Biagio, Salustino Guimaraes, Valdir, Salzmann, Christophe, Sanmartin Sedes, Brais, Sannino, Mario, Santacesaria, Roberta, Santamarina Rios, Cibran, Santovetti, Emanuele, Sapunov, Matvey, Sarti, Alessio, Satriano, Celestina, Satta, Alessia, Savrie, Mauro, Savrina, Darya, Schaack, Paul, Schiller, Manuel, Schindler, Heinrich, Schlupp, Maximilian, Schmelling, Michael, Schmidt, Burkhard, Schneider, Olivier, Schopper, Andreas, Schune, Marie Helene, Schwemmer, Rainer, Sciascia, Barbara, Sciubba, Adalberto, Seco, Marcos, Semennikov, Alexander, Senderowska, Katarzyna, Sepp, Indrek, Serra, Nicola, Serrano, Justine, Seyfert, Paul, Shapkin, Mikhail, Shapoval, Illya, Shatalov, Pavel, Shcheglov, Yury, Shears, Tara, Shekhtman, Lev, Shevchenko, Oksana, Shevchenko, Vladimir, Shires, Alexander, Silva Coutinho, Rafael, Skwarnicki, Tomasz, Smith, Anthony, Smith, Edmund, Smith, Mark, Sokoloff, Michael, Soler, Paul, Soomro, Fatima, Souza, Daniel, Souza De Paula, Bruno, Spaan, Bernhard, Sparkes, Ailsa, Spradlin, Patrick, Stagni, Federico, Stahl, Sascha, Steinkamp, Olaf, Stoica, Sabin, Stone, Sheldon, Storaci, Barbara, Straticiuc, Mihai, Straumann, Ulrich, Subbiah, Vijay Kartik, Sun, Liang, Swientek, Stefan, Syropoulos, Vasileios, Szczekowski, Marek, Szczypka, Paul, Szumlak, Tomasz, T'Jampens, Stephane, Teklishyn, Maksym, Teodorescu, Eliza, Teubert, Frederic, Thomas, Christopher, Thomas, Eric, van Tilburg, Jeroen, Tisserand, Vincent, Tobin, Mark, Tolk, Siim, Tonelli, Diego, Topp-Joergensen, Stig, Torr, Nicholas, Tournefier, Edwige, Tourneur, Stephane, Tran, Minh Tâm, Tresch, Marco, Tsaregorodtsev, Andrei, Tsopelas, Panagiotis, Tuning, Niels, Ubeda Garcia, Mario, Ukleja, Artur, Urner, David, Uwer, Ulrich, Vagnoni, Vincenzo, Valenti, Giovanni, Vazquez Gomez, Ricardo, Vazquez Regueiro, Pablo, Vecchi, Stefania, Velthuis, Jaap, Veltri, Michele, Veneziano, Giovanni, Vesterinen, Mika, Viaud, Benoit, Vieira, Daniel, Vilasis-Cardona, Xavier, Vollhardt, Achim, Volyanskyy, Dmytro, Voong, David, Vorobyev, Alexey, Vorobyev, Vitaly, Voß, Christian, Voss, Helge, Waldi, Roland, Wallace, Ronan, Wandernoth, Sebastian, Wang, Jianchun, Ward, David, Watson, Nigel, Webber, Adam Dane, Websdale, David, Whitehead, Mark, Wicht, Jean, Wiechczynski, Jaroslaw, Wiedner, Dirk, Wiggers, Leo, Wilkinson, Guy, Williams, M P, Williams, M, Wilson, Fergus, Wishahi, Julian, Witek, Mariusz, Wotton, Stephen, Wright, Simon, Wu, Suzhi, Wyllie, Kenneth, Xie, Yuehong, Xing, Funai, Xing, Zhou, Yang, Zhenwei, Young, Ross, Yuan, Xuhao, Yushchenko, Oleg, Zangoli, Maria, Zavertyaev, Mikhail, Zhang, Feng, Zhang, Liming, Zhang, Wen Chao, Zhang, Yanxi, Zhelezov, Alexey, Zhokhov, Anatoly, Zhong, Liang, Zvyagin, Alexander
Lenguaje:eng
Publicado: 2013
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2013.06.037
http://cds.cern.ch/record/1550622
Descripción
Sumario:A search for the rare decay $D^0 \to \mu^+ \mu^-$is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb$^{-1}$, of $pp$ collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The observed number of events is consistent with the background expectations and corresponds to an upper limit of ${\cal B}(D^0 \to \mu^+ \mu^-) < 6.2(7.6) \times 10^{-9}$ at 90% (95%) confidence level. This result represents an improvement of more than a factor twenty with respect to previous measurements.