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Observation of a narrow pentaquark state, $P_c(4312)^+$, and of two-peak structure of the $P_c(4450)^+$

A narrow pentaquark state, $P_c(4312)^+$, decaying to $J/\psi p$ is discovered with a statistical significance of $7.3\sigma$ in a data sample of $\Lambda_b^0\to J/\psi p K^-$ decays which is an order of magnitude larger than that previously analyzed by the LHCb collaboration. The $P_c(4450)^...

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Autores principales: Aaij, Roel, Abellán Beteta, Carlos, Adeva, Bernardo, Adinolfi, Marco, Aidala, Christine Angela, Ajaltouni, Ziad, Akar, Simon, Albicocco, Pietro, Albrecht, Johannes, Alessio, Federico, Alexander, Michael, Alfonso Albero, Alejandro, Alkhazov, Georgy, Alvarez Cartelle, Paula, Alves Jr, Antonio Augusto, Amato, Sandra, Amhis, Yasmine, An, Liupan, Anderlini, Lucio, Andreassi, Guido, Andreotti, Mirco, Andrews, Jason, Archilli, Flavio, d'Argent, Philippe, Arnau Romeu, Joan, Artamonov, Alexander, Artuso, Marina, Arzymatov, Kenenbek, Aslanides, Elie, Atzeni, Michele, Audurier, Benjamin, Bachmann, Sebastian, Back, John, Baker, Sophie, Balagura, Vladislav, Baldini, Wander, Baranov, Alexander, Barlow, Roger, Barsuk, Sergey, Barter, William, Bartolini, Matteo, Baryshnikov, Fedor, Batozskaya, Varvara, Batsukh, Baasansuren, Battig, Alexander, Battista, Vincenzo, Bay, Aurelio, Bedeschi, Franco, Bediaga, Ignacio, Beiter, Andrew, Bel, Lennaert, Belavin, Vladislav, Belin, Samuel, 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Antonino, Serra, Nicola, Serrano, Justine, Sestini, Lorenzo, Seuthe, Alex, Seyfert, Paul, Shapkin, Mikhail, Shears, Tara, Shekhtman, Lev, Shevchenko, Vladimir, Shmanin, Evgenii, Siddi, Benedetto Gianluca, Silva Coutinho, Rafael, Silva de Oliveira, Luiz Gustavo, Simi, Gabriele, Simone, Saverio, Skiba, Igor, Skidmore, Nicola, Skwarnicki, Tomasz, Slater, Mark, Smeaton, John Gordon, Smith, Eluned, Smith, Iwan Thomas, Smith, Mark, Soares, Marcelo, Soares Lavra, Lais, Sokoloff, Michael, Soler, Paul, Souza De Paula, Bruno, Spaan, Bernhard, Spadaro Norella, Elisabetta, Spradlin, Patrick, Stagni, Federico, Stahl, Marian, Stahl, Sascha, Stefko, Pavol, Stefkova, Slavomira, Steinkamp, Olaf, Stemmle, Simon, Stenyakin, Oleg, Stepanova, Margarita, Stevens, Holger, Stocchi, Achille, Stone, Sheldon, Stracka, Simone, Stramaglia, Maria Elena, Straticiuc, Mihai, Straumann, Ulrich, Strokov, Sergey, Sun, Jiayin, Sun, Liang, Sun, Yipeng, Swientek, Krzysztof, Szabelski, Adam, Szczepaniak, Adam, Szumlak, Tomasz, Szymanski, Maciej Pawel, T'Jampens, Stephane, Tang, Zhipeng, Tekampe, Tobias, Tellarini, Giulia, Teubert, Frederic, Thomas, Eric, van Tilburg, Jeroen, Tilley, Matthew James, Tisserand, Vincent, Tobin, Mark, Tolk, Siim, Tomassetti, Luca, Tonelli, Diego, Tou, Da Yu, Tournefier, Edwige, Traill, Murdo, Tran, Minh Tâm, Trisovic, Ana, Tsaregorodtsev, Andrei, Tuci, Giulia, Tully, Alison, Tuning, Niels, Ukleja, Artur, Usachov, Andrii, Ustyuzhanin, Andrey, Uwer, Ulrich, Vagner, Alexander, Vagnoni, Vincenzo, Valassi, Andrea, Valat, Sebastien, Valenti, Giovanni, Van Hecke, Hubert, Van Hulse, Charlotte Barbara, Vasiliev, Alexander, Vazquez Gomez, Ricardo, Vazquez Regueiro, Pablo, Vecchi, Stefania, van Veghel, Maarten, Velthuis, Jaap, Veltri, Michele, Venkateswaran, Aravindhan, Vernet, Maxime, Veronesi, Michele, Vesterinen, Mika, Viana Barbosa, Joao Vitor, Vieira, Daniel, Vieites Diaz, Maria, Viemann, Harald, Vilasis-Cardona, Xavier, Vitkovskiy, Arseniy, Vitti, Marcela, Volkov, Vladimir, Vollhardt, Achim, Vom Bruch, Dorothea, Voneki, Balazs, Vorobyev, Alexey, Vorobyev, Vitaly, Voropaev, Nikolai, de Vries, Jacco, Vázquez Sierra, Carlos, Waldi, Roland, Walsh, John, Wang, Jianchun, Wang, Jianqiao, Wang, Mengzhen, Wang, Yilong, Wang, Zhenzi, Ward, David, Wark, Heather Mckenzie, Watson, Nigel, Websdale, David, Weiden, Andreas, Weisser, Constantin, Whitehead, Mark, Wilkinson, Guy, Wilkinson, Michael, Williams, Ifan, Williams, Mark Richard James, Williams, Mike, Williams, Timothy, Wilson, Fergus, Winn, Michael Andreas, Wislicki, Wojciech, Witek, Mariusz, Wormser, Guy, Wotton, Stephen, Wyllie, Kenneth, Xiao, Dong, Xie, Yuehong, Xing, Hongxi, Xu, Ao, Xu, Li, Xu, Menglin, Xu, Qingnian, Xu, Zehua, Xu, Zhirui, Yang, Zhenwei, Yang, Zishuo, Yao, Yuezhe, Yeomans, Lauren Emma, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Yushchenko, Oleg, Zarebski, Kristian Alexander, Zavertyaev, Mikhail, Zeng, Ming, Zhang, Dongliang, Zhang, Liming, Zhang, Shunan, Zhang, Wen Chao, Zhang, Yanxi, Zhelezov, Alexey, Zheng, Yangheng, Zhu, Xianglei, Zhukov, Valery, Zonneveld, Jennifer Brigitta, Zucchelli, Stefano
Lenguaje:eng
Publicado: 2019
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.122.222001
http://cds.cern.ch/record/2670937

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