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Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $\sqrt{s}=13$ TeV

Forward top quark pair production is studied in pp collisions in the μeb final state using a data sample corresponding to an integrated luminosity of 1.93 fb$^{−1}$ collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. The cross-section is measured in a fiducial region where both...

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Autores principales: Aaij, Roel, Adeva, Bernardo, Adinolfi, Marco, Ajaltouni, Ziad, Akar, Simon, Albrecht, Johannes, Alessio, Federico, Alexander, Michael, Alfonso Albero, Alejandro, Ali, Suvayu, Alkhazov, Georgy, Alvarez Cartelle, Paula, Alves Jr, Antonio Augusto, Amato, Sandra, Amerio, Silvia, Amhis, Yasmine, An, Liupan, Anderlini, Lucio, Andreassi, Guido, Andreotti, Mirco, Andrews, Jason, Appleby, Robert, Archilli, Flavio, d'Argent, Philippe, Arnau Romeu, Joan, Artamonov, Alexander, Artuso, Marina, Aslanides, Elie, Atzeni, Michele, Auriemma, Giulio, Babuschkin, Igor, Bachmann, Sebastian, Back, John, Badalov, Alexey, Baesso, Clarissa, Baker, Sophie, Balagura, Vladislav, Baldini, Wander, Baranov, Alexander, Barlow, Roger, Barschel, Colin, Barsuk, Sergey, Barter, William, Baryshnikov, Fedor, Batozskaya, Varvara, Battista, Vincenzo, Bay, Aurelio, Beddow, John, Bedeschi, Franco, Bediaga, Ignacio, Beiter, Andrew, Bel, Lennaert, Beliy, Nikita, Bellee, Violaine, Belloli, Nicoletta, Belous, Konstantin, Belyaev, Ivan, Ben-Haim, Eli, Bencivenni, Giovanni, Benson, Sean, Beranek, Sarah, Berezhnoy, Alexander, Bernet, Roland, Berninghoff, Daniel, Bertholet, Emilie, Bertolin, Alessandro, Betancourt, Christopher, Betti, Federico, Bettler, Marc-Olivier, van Beuzekom, Martinus, Bezshyiko, Iaroslava, Bifani, Simone, Billoir, Pierre, Birnkraut, Alex, Bizzeti, Andrea, Bjørn, Mikkel, Blake, Thomas, Blanc, Frederic, Blusk, Steven, Bocci, Valerio, Boettcher, Thomas, Bondar, Alexander, Bondar, Nikolay, Bordyuzhin, Igor, Borghi, Silvia, Borisyak, Maxim, Borsato, Martino, Bossu, Francesco, Boubdir, Meriem, Bowcock, Themistocles, Bowen, Espen Eie, Bozzi, Concezio, Braun, Svende, Brodzicka, Jolanta, Brundu, Davide, Buchanan, Emma, Burr, Christopher, Bursche, Albert, Buytaert, Jan, Byczynski, Wiktor, Cadeddu, Sandro, Cai, Hao, Calabrese, Roberto, Calladine, Ryan, Calvi, Marta, Calvo Gomez, Miriam, Camboni, Alessandro, Campana, Pierluigi, Campora Perez, Daniel Hugo, Capriotti, Lorenzo, Carbone, Angelo, Carboni, Giovanni, Cardinale, Roberta, Cardini, Alessandro, Carniti, Paolo, Carson, Laurence, Carvalho Akiba, Kazuyoshi, Casse, Gianluigi, Cassina, Lorenzo, Cattaneo, Marco, Cavallero, Giovanni, Cenci, Riccardo, Chamont, David, Chapman, Matthew George, Charles, Matthew, Charpentier, Philippe, Chatzikonstantinidis, Georgios, Chefdeville, Maximilien, Chen, Shanzhen, Cheung, Shu Faye, Chitic, Stefan-Gabriel, Chobanova, Veronika, Chrzaszcz, Marcin, Chubykin, Alexsei, Ciambrone, Paolo, Cid Vidal, Xabier, Ciezarek, Gregory, Clarke, Peter, Clemencic, Marco, Cliff, Harry, Closier, Joel, Coco, Victor, Cogan, Julien, Cogneras, Eric, Cogoni, Violetta, Cojocariu, Lucian, Collins, Paula, Colombo, Tommaso, Comerma-Montells, Albert, Contu, Andrea, Coombs, George, Coquereau, Samuel, Corti, Gloria, Corvo, Marco, Costa Sobral, Cayo Mar, Couturier, Benjamin, Cowan, Greig, Craik, Daniel Charles, Crocombe, Andrew, Cruz Torres, Melissa Maria, Currie, Robert, D'Ambrosio, Carmelo, Da Cunha Marinho, Franciole, Da Silva, Cesar Luiz, Dall'Occo, Elena, Dalseno, Jeremy, Davis, Adam, De Aguiar Francisco, Oscar, De Bruyn, Kristof, De Capua, Stefano, De Cian, Michel, De Miranda, Jussara, De Paula, Leandro, De Serio, Marilisa, De Simone, Patrizia, Dean, Cameron Thomas, Decamp, Daniel, Del Buono, Luigi, Delaney, Blaise, Dembinski, Hans Peter, Demmer, Moritz, Dendek, Adam, Derkach, Denis, Deschamps, Olivier, Dettori, Francesco, Dey, Biplab, Di Canto, Angelo, Di Nezza, Pasquale, Dijkstra, Hans, Dordei, Francesca, Dorigo, Mirco, Dosil Suárez, Alvaro, Douglas, Lauren, Dovbnya, Anatoliy, Dreimanis, Karlis, Dufour, Laurent, Dujany, Giulio, Durante, Paolo, Durham, John Matthew, Dutta, Deepanwita, Dzhelyadin, Rustem, Dziewiecki, Michal, Dziurda, Agnieszka, Dzyuba, Alexey, Easo, Sajan, Egede, Ulrik, Egorychev, Victor, Eidelman, Semen, Eisenhardt, Stephan, Eitschberger, Ulrich, Ekelhof, Robert, Eklund, Lars, Ely, Scott, Ene, Alexandru, Esen, Sevda, Evans, Hannah Mary, Evans, Timothy, Falabella, Antonio, Farley, Nathanael, Farry, Stephen, Fazzini, Davide, Federici, Luca, Fernandez, Gerard, Fernandez Declara, Placido, Fernandez Prieto, Antonio, Ferrari, Fabio, Ferreira Lopes, Lino, Ferreira Rodrigues, Fernando, Ferro-Luzzi, Massimiliano, Filippov, Sergey, Fini, Rosa Anna, Fiorini, Massimiliano, Firlej, Miroslaw, Fitzpatrick, Conor, Fiutowski, Tomasz, Fleuret, Frederic, Fontana, Marianna, Fontanelli, Flavio, Forty, Roger, Franco Lima, Vinicius, Frank, Markus, Frei, Christoph, Fu, Jinlin, Funk, Wolfgang, Furfaro, Emiliano, Färber, Christian, Gabriel, Emmy, Gallas Torreira, Abraham, Galli, Domenico, Gallorini, Stefano, Gambetta, Silvia, Gandelman, Miriam, Gandini, Paolo, Gao, Yuanning, Garcia Martin, Luis Miguel, García Pardiñas, Julián, Garra Tico, Jordi, Garrido, Lluis, Gascon, David, Gaspar, Clara, Gavardi, Laura, Gazzoni, Giulio, Gerick, David, Gersabeck, Evelina, Gersabeck, Marco, Gershon, Timothy, Ghez, Philippe, Gianì, Sebastiana, Gibson, Valerie, Girard, Olivier Göran, Giubega, Lavinia-Helena, Gizdov, Konstantin, Gligorov, Vladimir, Golubkov, Dmitry, Golutvin, Andrey, Gomes, Alvaro, Gorelov, Igor Vladimirovich, Gotti, Claudio, Govorkova, Ekaterina, Grabowski, Jascha Peter, Graciani Diaz, Ricardo, Granado Cardoso, Luis Alberto, Graugés, Eugeni, Graverini, Elena, Graziani, Giacomo, Grecu, Alexandru, Greim, Roman, Griffith, Peter, Grillo, Lucia, Gruber, Lukas, 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, Hancock, Thomas Henry, Hansmann-Menzemer, Stephanie, Harnew, Neville, Harnew, Samuel, Hasse, Christoph, Hatch, Mark, He, Jibo, Hecker, Malte, Heinicke, Kevin, Heister, Arno, Hennessy, Karol, Henrard, Pierre, Henry, Louis, van Herwijnen, Eric, Heß, Miriam, Hicheur, Adlène, Hill, Donal, Hopchev, Plamen Hristov, Hu, Wenhua, Huang, Wenqian, Huard, Zachary, Hulsbergen, Wouter, Humair, Thibaud, Hushchyn, Mikhail, Hutchcroft, David, Ibis, Philipp, Idzik, Marek, Ilten, Philip, Jacobsson, Richard, 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, Kazeev, Nikita, Kecke, Matthieu, Keizer, Floris, Kelsey, Matthew, Kenzie, Matthew, Ketel, Tjeerd, Khairullin, Egor, Khanji, Basem, Khurewathanakul, Chitsanu, Kim, Kyung Eun, Kirn, Thomas, Klaver, Suzanne, Klimaszewski, Konrad, Klimkovich, Tatsiana, Koliiev, Serhii, Kolpin, Michael, Kopecna, Renata, Koppenburg, Patrick, Kosmyntseva, Alena, Kotriakhova, Sofia, Kozeiha, Mohamad, Kravchuk, Leonid, Kreps, Michal, Kress, Felix Johannes, Krokovny, Pavel, Krzemien, Wojciech, Kucewicz, Wojciech, Kucharczyk, Marcin, Kudryavtsev, Vasily, Kuonen, Axel Kevin, Kvaratskheliya, Tengiz, Lacarrere, Daniel, Lafferty, George, Lai, Adriano, Lanfranchi, Gaia, Langenbruch, Christoph, Latham, Thomas, Lazzeroni, Cristina, Le Gac, Renaud, Leflat, Alexander, Lefrançois, Jacques, Lefèvre, Regis, Lemaitre, Florian, Lemos Cid, Edgar, Lenisa, Paolo, Leroy, Olivier, Lesiak, Tadeusz, Leverington, Blake, Li, Pei-Rong, Li, Tenglin, Li, Yiming, Li, Zhuoming, Liang, Xixin, Likhomanenko, Tatiana, Lindner, Rolf, Lionetto, Federica, Lisovskyi, Vitalii, Liu, Xuesong, Loh, David, Loi, Angelo, Longstaff, Iain, Lopes, Jose, Lucchesi, Donatella, Lucio Martinez, Miriam, Lupato, Anna, Luppi, Eleonora, Lupton, Oliver, Lusiani, Alberto, Lyu, Xiao-Rui, Machefert, Frederic, Maciuc, Florin, Macko, Vladimir, Mackowiak, Patrick, Maddrell-Mander, Samuel, Maev, Oleg, Maguire, Kevin, Maisuzenko, Dmitrii, Majewski, Maciej Witold, Malde, Sneha, Malecki, Bartosz, Malinin, Alexander, Maltsev, Timofei, Manca, Giulia, Mancinelli, Giampiero, Marangotto, Daniele, Maratas, Jan, Marchand, Jean François, Marconi, Umberto, Marin Benito, Carla, Marinangeli, Matthieu, Marino, Pietro, Marks, Jörg, Martellotti, Giuseppe, Martin, Morgan, Martinelli, Maurizio, Martinez Santos, Diego, Martinez Vidal, Fernando, Massafferri, André, Matev, Rosen, Mathad, Abhijit, Mathe, Zoltan, Matteuzzi, Clara, Mauri, Andrea, Maurice, Emilie, Maurin, Brice, Mazurov, Alexander, McCann, Michael, McNab, Andrew, McNulty, Ronan, Mead, James Vincent, Meadows, Brian, Meaux, Cedric, Meier, Frank, Meinert, Nis, Melnychuk, Dmytro, Merk, Marcel, Merli, Andrea, Michielin, Emanuele, Milanes, Diego Alejandro, Millard, Edward James, Minard, Marie-Noelle, Minzoni, Luca, Mitzel, Dominik Stefan, Mogini, Andrea, Molina Rodriguez, Josue, Mombächer, Titus, Monroy, Igancio Alberto, Monteil, Stephane, Morandin, Mauro, Morello, Michael Joseph, Morgunova, Olga, Moron, Jakub, Morris, Adam Benjamin, Mountain, Raymond, Muheim, Franz, Mulder, Mick, 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, O'Hanlon, Daniel Patrick, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Ogilvy, Stephen, Oldeman, Rudolf, Onderwater, Gerco, Ossowska, Anna, Otalora Goicochea, Juan Martin, Owen, Patrick, Oyanguren, Maria Aranzazu, Pais, Preema Rennee, Palano, Antimo, Palutan, Matteo, Panshin, Gennady, Papanestis, Antonios, Pappagallo, Marco, Pappalardo, Luciano, Parker, William, Parkes, Christopher, Passaleva, Giovanni, Pastore, Alessandra, Patel, Mitesh, Patrignani, Claudia, Pearce, Alex, Pellegrino, Antonio, Penso, Gianni, Pepe Altarelli, Monica, Perazzini, Stefano, Pereima, Dmitrii, Perret, Pascal, Pescatore, Luca, Petridis, Konstantinos, Petrolini, Alessandro, Petrov, Aleksandr, Petruzzo, Marco, Picatoste Olloqui, Eduardo, Pietrzyk, Boleslaw, Pietrzyk, Guillaume, Pikies, Malgorzata, Pinci, Davide, Pisani, Flavio, Pistone, Alessandro, Piucci, Alessio, Placinta, Vlad-Mihai, Playfer, Stephen, Plo Casasus, Maximo, Polci, Francesco, Poli Lener, Marco, Poluektov, Anton, Polyakov, Ivan, Polycarpo, Erica, Pomery, Gabriela Johanna, Ponce, Sebastien, Popov, Alexander, Popov, Dmitry, Poslavskii, Stanislav, Potterat, Cédric, Price, Eugenia, Prisciandaro, Jessica, Prouve, Claire, Pugatch, Valery, Puig Navarro, Albert, Pullen, Hannah Louise, Punzi, Giovanni, Qian, Wenbin, Qin, Jia-Jia, Quagliani, Renato, Quintana, Boris, Rachwal, Bartlomiej, Rademacker, Jonas, Rama, Matteo, Ramos Pernas, Miguel, Rangel, Murilo, Raniuk, Iurii, Ratnikov, Fedor, Raven, Gerhard, Ravonel Salzgeber, Melody, Reboud, Meril, Redi, Federico, Reichert, Stefanie, dos Reis, Alberto, Remon Alepuz, Clara, Renaudin, Victor, Ricciardi, Stefania, Richards, Sophie, Rihl, Mariana, Rinnert, Kurt, Robbe, Patrick, Robert, Arnaud, Rodrigues, Ana Barbara, Rodrigues, Eduardo, Rodriguez Lopez, Jairo Alexis, Rogozhnikov, Alexey, Roiser, Stefan, Rollings, Alexandra Paige, Romanovskiy, Vladimir, Romero Vidal, Antonio, Rotondo, Marcello, Rudolph, Matthew Scott, Ruf, Thomas, Ruiz Valls, Pablo, Ruiz Vidal, Joan, 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, Sarpis, Gediminas, Sarti, Alessio, Satriano, Celestina, Satta, Alessia, Saunders, Daniel Martin, Savrina, Darya, Schael, Stefan, Schellenberg, Margarete, Schiller, Manuel, Schindler, Heinrich, Schmelling, Michael, Schmelzer, Timon, Schmidt, Burkhard, Schneider, Olivier, Schopper, Andreas, Schreiner, HF, Schubiger, Maxime, Schune, Marie Helene, Schwemmer, Rainer, Sciascia, Barbara, Sciubba, Adalberto, Semennikov, Alexander, Sepulveda, Eduardo Enrique, Sergi, Antonino, Serra, Nicola, Serrano, Justine, Sestini, Lorenzo, Seyfert, Paul, Shapkin, Mikhail, Shcheglov, Yury, Shears, Tara, Shekhtman, Lev, Shevchenko, Vladimir, Siddi, Benedetto Gianluca, Silva Coutinho, Rafael, Silva de Oliveira, Luiz Gustavo, Simi, Gabriele, Simone, Saverio, Skidmore, Nicola, Skwarnicki, Tomasz, Smith, Iwan Thomas, Smith, Jackson, Smith, Mark, Soares Lavra, Lais, Sokoloff, Michael, Soler, Paul, Souza De Paula, Bruno, Spaan, Bernhard, Spradlin, Patrick, Stagni, Federico, Stahl, Marian, Stahl, Sascha, Stefko, Pavol, Stefkova, Slavomira, Steinkamp, Olaf, Stemmle, Simon, Stenyakin, Oleg, Stepanova, Margarita, Stevens, Holger, Stone, Sheldon, Storaci, Barbara, Stracka, Simone, Stramaglia, Maria Elena, Straticiuc, Mihai, Straumann, Ulrich, Strokov, Sergey, Sun, Jiayin, Sun, Liang, Swientek, Krzysztof, Syropoulos, Vasileios, Szumlak, Tomasz, Szymanski, Maciej Pawel, 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, Tourinho Jadallah Aoude, Rafael, Tournefier, Edwige, Traill, Murdo, Tran, Minh Tâm, Tresch, Marco, Trisovic, Ana, Tsaregorodtsev, Andrei, Tsopelas, Panagiotis, Tully, Alison, Tuning, Niels, Ukleja, Artur, Usachov, Andrii, Ustyuzhanin, Andrey, Uwer, Ulrich, Vacca, Claudia, Vagner, Alexander, 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, Verlage, Tobias Anton, Vernet, Maxime, Vesterinen, Mika, Viana Barbosa, Joao Vitor, Vieira, Daniel, Vieites Diaz, Maria, Viemann, Harald, Vilasis-Cardona, Xavier, Vitkovskiy, Arseniy, Vitti, Marcela, Volkov, Vladimir, Vollhardt, Achim, Voneki, Balazs, Vorobyev, Alexey, Vorobyev, Vitaly, Voß, Christian, de Vries, Jacco, Vázquez Sierra, Carlos, Waldi, Roland, Walsh, John, Wang, Jianchun, Wang, Yilong, Ward, David, Wark, Heather Mckenzie, Watson, Nigel, Websdale, David, Weiden, Andreas, Weisser, Constantin, Whitehead, Mark, Wicht, Jean, Wilkinson, Guy, Wilkinson, Michael, Williams, Mark Richard James, Williams, Mike, Williams, Timothy, Wilson, Fergus, Wimberley, Jack, Winn, Michael Andreas, Wishahi, Julian, Wislicki, Wojciech, Witek, Mariusz, Wormser, Guy, Wotton, Stephen, Wyllie, Kenneth, Xie, Yuehong, Xu, Menglin, Xu, Qingnian, Xu, Zehua, Xu, Zhirui, Yang, Zhenwei, Yang, Zishuo, Yao, Yuezhe, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Yushchenko, Oleg, Zarebski, Kristian Alexander, Zavertyaev, Mikhail, Zhang, Liming, Zhang, Yanxi, Zhelezov, Alexey, Zheng, Yangheng, Zhu, Xianglei, Zhukov, Valery, Zonneveld, Jennifer Brigitta, Zucchelli, Stefano
Lenguaje:eng
Publicado: 2018
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP08(2018)174
http://cds.cern.ch/record/2308679
Descripción
Sumario:Forward top quark pair production is studied in pp collisions in the μeb final state using a data sample corresponding to an integrated luminosity of 1.93 fb$^{−1}$ collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. The cross-section is measured in a fiducial region where both leptons have a transverse momentum greater than 20 GeV and a pseudorapidity between 2.0 and 4.5. The quadrature sum of the azimuthal separation and the difference in pseudorapidities, denoted ΔR, between the two leptons must be larger than 0.1. The b-jet axis is required to be separated from both leptons by a ΔR of 0.5, and to have a transverse momentum in excess of 20 GeV and a pseudorapidity between 2.2 and 4.2. The cross-section is measured to be $ {\sigma}_{t\overline{t}}=126\pm 19\left(\mathrm{stat}\right)\pm 16\left(\mathrm{syst}\right)\pm 5\left(\mathrm{lumi}\right)\mathrm{f}\mathrm{b} $ where the first uncertainty is statistical, the second is systematic, and the third is due to the luminosity determination. The measurement is compatible with the Standard Model prediction.