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Measurement of the $J/\psi$ pair production cross-section in $pp$ collisions at $\sqrt{s} = 13 \,{\mathrm{TeV}}$

The production cross-section of J/ψ pairs is measured using a data sample of pp collisions collected by the LHCb experiment at a centre-of-mass energy of $ \sqrt{s}=13 $ TeV, corresponding to an integrated luminosity of 279 ±11 pb$^{−1}$. The measurement is performed for J/ψ mesons with a transverse...

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Graciani Diaz, Ricardo, Granado Cardoso, Luis Alberto, Graugés, Eugeni, Graverini, Elena, Graziani, Giacomo, Grecu, Alexandru, Griffith, Peter, Grillo, Lucia, Gruberg Cazon, Barak Raimond, Grünberg, Oliver, Gushchin, Evgeny, Guz, Yury, Gys, Thierry, Göbel, Carla, Hadavizadeh, Thomas, Hadjivasiliou, Christos, Haefeli, Guido, Haen, Christophe, Haines, Susan, Hamilton, Brian, Han, Xiaoxue, Hansmann-Menzemer, Stephanie, Harnew, Neville, Harnew, Samuel, Harrison, Jonathan, Hatch, Mark, He, Jibo, Head, Timothy, Heister, Arno, Hennessy, Karol, Henrard, Pierre, Henry, Louis, van Herwijnen, Eric, Heß, Miriam, Hicheur, Adlène, Hill, Donal, Hombach, Christoph, Hopchev, P H, Hulsbergen, Wouter, Humair, Thibaud, Hushchyn, Mikhail, Hutchcroft, David, Idzik, Marek, Ilten, Philip, Jacobsson, Richard, Jaeger, Andreas, Jalocha, Pawel, Jans, Eddy, Jawahery, Abolhassan, Jiang, Feng, John, Malcolm, Johnson, Daniel, Jones, Christopher, Joram, Christian, Jost, Beat, Jurik, Nathan, Kandybei, Sergii, Karacson, Matthias, Kariuki, James Mwangi, Karodia, Sarah, Kecke, Matthieu, Kelsey, Matthew, Kenzie, Matthew, Ketel, Tjeerd, Khairullin, Egor, Khanji, Basem, Khurewathanakul, Chitsanu, Kirn, Thomas, Klaver, Suzanne, Klimaszewski, Konrad, Koliiev, Serhii, Kolpin, Michael, Komarov, Ilya, Koopman, Rose, Koppenburg, Patrick, Kosmyntseva, Alena, Kozachuk, Anastasiia, Kozeiha, Mohamad, Kravchuk, Leonid, Kreplin, Katharina, Kreps, Michal, Krokovny, Pavel, Kruse, Florian, Krzemien, Wojciech, Kucewicz, Wojciech, Kucharczyk, Marcin, Kudryavtsev, Vasily, Kuonen, Axel Kevin, Kurek, Krzysztof, Kvaratskheliya, Tengiz, Lacarrere, Daniel, Lafferty, George, Lai, Adriano, Lanfranchi, Gaia, Langenbruch, Christoph, Latham, Thomas, Lazzeroni, Cristina, Le Gac, Renaud, van Leerdam, Jeroen, Leflat, Alexander, Lefrançois, Jacques, Lefèvre, Regis, Lemaitre, Florian, Lemos Cid, Edgar, Leroy, Olivier, Lesiak, Tadeusz, Leverington, Blake, Li, Tenglin, Li, Yiming, Likhomanenko, Tatiana, Lindner, Rolf, Linn, Christian, 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Milanes, Diego Alejandro, Minard, Marie-Noelle, Mitzel, Dominik Stefan, Mogini, Andrea, Molina Rodriguez, Josue, Monroy, Ignacio Alberto, Monteil, Stephane, Morandin, Mauro, Morawski, Piotr, Mordà, Alessandro, Morello, Michael Joseph, Morgunova, Olga, Moron, Jakub, Morris, Adam Benjamin, Mountain, Raymond, Muheim, Franz, Mulder, Mick, Mussini, Manuel, Müller, Dominik, Müller, Janine, Müller, Katharina, Müller, Vanessa, Naik, Paras, Nakada, Tatsuya, Nandakumar, Raja, Nandi, Anita, Nasteva, Irina, Needham, Matthew, Neri, Nicola, Neubert, Sebastian, Neufeld, Niko, Neuner, Max, Nguyen, Thi Dung, Nguyen-Mau, Chung, Nieswand, Simon, Niet, Ramon, Nikitin, Nikolay, Nikodem, Thomas, Nogay, Alla, Novoselov, Alexey, O'Hanlon, Daniel Patrick, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Ogilvy, Stephen, Oldeman, Rudolf, Onderwater, Gerco, Otalora Goicochea, Juan Martin, Otto, Adam, Owen, Patrick, Oyanguren, Maria Aranzazu, Pais, Preema Rennee, Palano, Antimo, Palutan, Matteo, Papanestis, Antonios, Pappagallo, Marco, Pappalardo, Luciano, Parker, William, Parkes, Christopher, Passaleva, Giovanni, Pastore, Alessandra, Patel, Girish, Patel, Mitesh, Patrignani, Claudia, Pearce, Alex, Pellegrino, Antonio, Penso, Gianni, Pepe Altarelli, Monica, Perazzini, Stefano, Perret, Pascal, Pescatore, Luca, Petridis, Konstantinos, Petrolini, Alessandro, Petrov, Aleksandr, Petruzzo, Marco, Picatoste Olloqui, Eduardo, Pietrzyk, Boleslaw, Pikies, Malgorzata, Pinci, Davide, Pistone, Alessandro, Piucci, Alessio, Placinta, Vlad-Mihai, Playfer, Stephen, Plo Casasus, Maximo, Poikela, Tuomas, Polci, Francesco, Poluektov, Anton, Polyakov, Ivan, Polycarpo, Erica, Pomery, Gabriela Johanna, Popov, Alexander, Popov, Dmitry, Popovici, Bogdan, Poslavskii, Stanislav, Potterat, Cédric, Price, Eugenia, Price, Joseph David, Prisciandaro, Jessica, Pritchard, Adrian, Prouve, Claire, Pugatch, Valery, Puig Navarro, Albert, Punzi, Giovanni, Qian, Wenbin, Quagliani, Renato, Rachwal, Bartolomiej, Rademacker, Jonas, Rama, Matteo, Ramos Pernas, Miguel, Rangel, Murilo, Raniuk, Iurii, Ratnikov, Fedor, Raven, Gerhard, Redi, Federico, Reichert, Stefanie, dos Reis, Alberto, Remon Alepuz, Clara, Renaudin, Victor, Ricciardi, Stefania, Richards, Sophie, Rihl, Mariana, Rinnert, Kurt, Rives Molina, Vicente, Robbe, Patrick, Rodrigues, Ana Barbara, Rodrigues, Eduardo, Rodriguez Lopez, Jairo Alexis, Rodriguez Perez, Pablo, Rogozhnikov, Alexey, Roiser, Stefan, Rollings, Alexandra Paige, Romanovskiy, Vladimir, Romero Vidal, Antonio, Ronayne, John William, Rotondo, Marcello, Rudolph, Matthew Scott, Ruf, Thomas, Ruiz Valls, Pablo, Saborido Silva, Juan Jose, Sadykhov, Elnur, Sagidova, Naylya, Saitta, Biagio, Salustino Guimaraes, Valdir, Sanchez Mayordomo, Carlos, Sanmartin Sedes, Brais, Santacesaria, Roberta, Santamarina Rios, Cibran, Santimaria, Marco, Santovetti, Emanuele, Sarti, Alessio, Satriano, Celestina, Satta, Alessia, Saunders, Daniel Martin, Savrina, Darya, Schael, Stefan, Schellenberg, Margarete, 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Oleg, Stevens, Holger, Stevenson, Scott, Stoica, Sabin, Stone, Sheldon, Storaci, Barbara, Stracka, Simone, Straticiuc, Mihai, Straumann, Ulrich, Sun, Liang, Sutcliffe, William, Swientek, Krzysztof, Syropoulos, Vasileios, Szczekowski, Marek, Szumlak, Tomasz, T'Jampens, Stephane, Tayduganov, Andrey, Tekampe, Tobias, Tellarini, Giulia, Teubert, Frederic, Thomas, Eric, van Tilburg, Jeroen, Tilley, Matthew James, Tisserand, Vincent, Tobin, Mark, Tolk, Siim, Tomassetti, Luca, Tonelli, Diego, Topp-Joergensen, Stig, Toriello, Francis, Tournefier, Edwige, Tourneur, Stephane, Trabelsi, Karim, Traill, Murdo, Tran, Minh Tâm, Tresch, Marco, Trisovic, Ana, Tsaregorodtsev, Andrei, Tsopelas, Panagiotis, Tully, Alison, Tuning, Niels, Ukleja, Artur, Ustyuzhanin, Andrey, Uwer, Ulrich, Vacca, Claudia, Vagnoni, Vincenzo, Valassi, Andrea, Valat, Sebastien, Valenti, Giovanni, Vazquez Gomez, Ricardo, Vazquez Regueiro, Pablo, Vecchi, Stefania, van Veghel, Maarten, Velthuis, Jaap, Veltri, Michele, Veneziano, Giovanni, Venkateswaran, Aravindhan, Vernet, Maxime, Vesterinen, Mika, Viana Barbosa, Joao Vitor, Viaud, Benoit, Vieira, Daniel, Vieites Diaz, Maria, Viemann, Harald, Vilasis-Cardona, Xavier, Vitti, Marcela, Volkov, Vladimir, Vollhardt, Achim, Voneki, Balazs, Vorobyev, Alexey, Vorobyev, Vitaly, Voß, Christian, de Vries, Jacco, Vázquez Sierra, Carlos, Waldi, Roland, Wallace, Charlotte, Wallace, Ronan, Walsh, John, Wang, Jianchun, Ward, David, Wark, Heather Mckenzie, Watson, Nigel, Websdale, David, Weiden, Andreas, Whitehead, Mark, Wicht, Jean, Wilkinson, Guy, Wilkinson, Michael, Williams, Mark Richard James, Williams, Matthew, Williams, Mike, Williams, Timothy, Wilson, Fergus, Wimberley, Jack, Wishahi, Julian, Wislicki, Wojciech, Witek, Mariusz, Wormser, Guy, Wotton, Stephen, Wraight, Kenneth, Wyllie, Kenneth, Xie, Yuehong, Xing, Zhou, Xu, Zhirui, Yang, Zhenwei, Yao, Yuezhe, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Yushchenko, Oleg, Zarebski, Kristian Alexander, Zavertyaev, Mikhail, Zhang, Liming, Zhang, Yanxi, Zhang, Yu, Zhelezov, Alexey, Zheng, Yangheng, Zhu, Xianglei, Zhukov, Valery, Zucchelli, Stefano
Lenguaje:eng
Publicado: 2016
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP06(2017)047
https://dx.doi.org/10.1007/JHEP10(2017)068
http://cds.cern.ch/record/2239813
Descripción
Sumario:The production cross-section of J/ψ pairs is measured using a data sample of pp collisions collected by the LHCb experiment at a centre-of-mass energy of $ \sqrt{s}=13 $ TeV, corresponding to an integrated luminosity of 279 ±11 pb$^{−1}$. The measurement is performed for J/ψ mesons with a transverse momentum of less than 10 GeV/c in the rapidity range 2.0 < y < 4.5. The production cross-section is measured to be 15.2 ± 1.0 ± 0.9 nb. The first uncertainty is statistical, and the second is systematic. The differential cross-sections as functions of several kinematic variables of the J/ψ pair are measured and compared to theoretical predictions.