Prompt Λ+c Production in Ppb Collisions at $$ \sqrt{s_{\mathrm{nn}}}=5.02 $$ TeV
R. Aaij, B. Adeva, M. Adinolfi, Christine Angela Aidala, Z. Ajaltouni, S. Akar, Pietro Albicocco, J. Albrecht, F. Alessio,Michael Alexander, Alejandro Alfonso Albero, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, Liupan An,Lucio Anderlini, Guido Andreassi, M. Andreotti, J. E. Andrews, R. B. Appleby, F. Archilli, Philippe d'Argent, Joan Arnau Romeu, A. Artamonov, M. Artuso, Kenenbek Arzymatov, E. Aslanides, Michele Atzeni, Benjamin Audurier, Sebastian Bachmann,John Back, Sophie Baker, V. Balagura, W. Baldini,Alexander Baranov, R. J. Barlow, S. Barsuk, W. Barter, Fedor Baryshnikov, V. Batozskaya, Baasansuren Batsukh, V. Battista, A. Bay, J. Beddow, F. Bedeschi, I. Bediaga,Andrew Beiter, Lennaert Bel, N. Beliy, Violaine Bellée, N. Belloli, K. Belous, I. Belyaev, E. Ben-Haim, G. Bencivenni, S. Benson,Sarah Beranek, Аlexander Berezhnoy, R. Bernet, Daniel Berninghoff, Emilie Bertholet,Alessandro Bertolin, Christopher Betancourt, Federico Betti, Marc-Olivier Bettler, Martinus van Beuzekom, Iaroslava Bezshyiko, Srishti Bhasin,Jihyun Bhom, S. Bifani, Pierre Billoir, A. Birnkraut, A. Bizzeti, Mikkel Bjørn, Michele Piero Blago, T. Blake, F. Blanc, S. Blusk, Dana Bobulska, V. Bocci, Óscar Boente García, Thomas Boettcher, A. Bondar, N. Bondar, S. Borghi, Maxim Borisyak, Martino Borsato, F. Bossú, Meriem Boubdir, T. J. V. Bowcock, C. Bozzi, Svende Braun, Michael Brodski, J. Brodzicka, Arnau Brossa Gonzalo, Davide Brundu, Emma Buchanan, Annarita Buonaura, Christopher Burr, A. Bursche, J. Buytaert, Wiktor Byczynski, S. Cadeddu, H. Cai, R. Calabrese, Ryan Calladine, M. Calvi, M. Calvo Gomez, A. Camboni, P. Campana,Daniel Hugo Cámpora Pérez, Lorenzo Capriotti, A. Carbone, G. Carboni, R. Cardinale, A. Cardini, Paolo Carniti, L. Carson, K. Carvalho Akiba, G. Casse, L. Cassina, M. Cattaneo, Giovanni Cavallero, R. Cenci, David Chamont, Matthew George Chapman, M. Charles, Philippe Charpentier, Georgios Chatzikonstantinidis, Maximilien Chefdeville, Viktoriia Chekalina, Chen,Shanzhen Chen, Stefan-Gabriel Chitic, Veronika Chobanova, M. Chrząszcz,Alexsei Chubykin, Paolo Ciambrone,Xabier Cid Vidal, G. Ciezarek,Peter Clarke, M. Clemencic,Harry Cliff, J. Closier, V. Coco, Joao a B Coelho, J. Cogan, E. Cogneras, Lucian Cojocariu, P. Collins,Tommaso Colombo, A. Comerma-Montells, A. Contu, George Coombs, S. Coquereau, G. Corti, M. Corvo, Cayo Mar Costa Sobral,Benjamin Couturier, G. Cowan, Daniel Charles Craik, A. Crocombe, Melissa Maria Cruz Torres, R. Currie,Carmelo d'Ambrosio, F. Marinho, Cesar Luiz da Silva, Elena Dall’Occo, J. Dalseno, Anna Danilina, A. Davis, Oscar de Aguiar Francisco, K. De Bruyn, S. De Capua, M. De Cian, Jussara de Miranda, L. De Paula, Marilisa de Serio, P. De Simone, Cameron Thomas Dean, D. Décamp, L. Del Buono, Blaise Delaney, Hans Peter Dembinski, M. Demmer, Adam Dendek, Д. Деркач, O. Deschamps, Fabrice Desse, F. Dettori, B. Dey, A. Di Canto,Pasquale Di Nezza, Sergey Didenko, H. Dijkstra, F. Dordei, M. Dorigo,A. Dosil Suárez, Lauren Douglas, A. Dovbnya, Kārlis Dreimanis, Laurent Dufour, G. Dujany, Paolo Durante, John Matthew Durham,Deepanwita Dutta, R. Dzhelyadin, Michał Dziewiecki, A. Dziurda, A. Dzyuba, S. Easo, Ulrik Egede, V. Egorychev, S. Eidelman, S. Eisenhardt, U. Eitschberger, R. Ekelhof, L. Eklund, Scott Ely,Alexandru Ene, Stephan Escher, Sevda Esen, Timothy Evans, A. Falabella, N. Farley, S. Farry, Davide Fazzini, Luca Federici, Plácido Fernández Declara, Antonio Fernàndez Prieto,Fabio Ferrari, Lino Ferreira Lopes, F. Ferreira Rodrigues, Massimiliano Ferro-Luzzi, S. Filippov, Rosa Anna Fini, Massimiliano Fiorini, Mirosław Firlej, C. Fitzpatrick, Tomasz Fiutowski, F. Fleuret, Marianna Fontana, F. Fontanelli,Roger Forty, Vinicius Franco Lima, M. Frank, C. Frei, J. Fu,Wolfgang Funk, C. Färber, Mauricio Féo Pereira Rivello Carvalho, Emmy Gabriel, A. Gallas Torreira, D. Galli, S. Gallorini, Silvia Gambetta, Yuyue Gan, M. Gandelman, P. Gandini, Y. Gao, Luis Miguel García Martín, Beatriz García Plana, Julián García Pardiñas, J. Garra Ticó, L. Garrido, D. Gascón, C. Gaspar, L. Gavardi, G. Gazzoni, David Gerick, E. Gersabeck, M. Gersabeck,Timothy Gershon, Dawid Gerstel, Philippe Ghez, S. Gianì, V. Gibson, Olivier Göran Girard, Lavinia-Helena Giubega, Konstantin Gizdov, V. V. Gligorov, D. Golubkov, A. Golutvin, A. Gomes, I. Gorelov, C. Gotti,Ekaterina Govorkova, Jascha Peter Grabowski, R. Graciani Diaz, Luis Alberto Granado Cardoso, E. Graugés,Elena Graverini, G. Graziani, A. Grecu, Roman Greim, P. Griffith, Lucia Grillo, Lukas Gruber, Barak Raimond Gruberg Cazon, O. Grünberg, Chenxi Gu, E. Gushchin, Yury Guz, T. Gys, C. Göbel, Thomas Hadavizadeh, C. Hadjivasiliou, G. Haefeli, C. Haen,Susan Haines, B. Hamilton, Xiaoxue Han, Thomas Henry Hancock, S. Hansmann-Menzemer, N. Harnew, S. T. Harnew, Thomas Harrison,Christoph Hasse, Mark Hatch, J. He, Malte Hecker, Kevin Heinicke, A. Heister, K. Hennessy,Louis Henry, E. van Herwijnen, M. Heß, A. Hicheur, Raoul Hidalgo Charman, D. Hill, Martha Hilton, Plamen Hristov Hopchev, Wenhua Hu, Wenqian Huang, Z. Huard, W. Hulsbergen, T. Humair, Mikhail Hushchyn, D. E. Hutchcroft, D. Hynds, Philipp Ibis, M. Idzik, P. Ilten, Kuzma Ivshin, R. Jacobsson, P. Jal̸ocha, E. Jans, A. Jawahery,Feng Jiang,Malcolm John, D. Johnson, Christopher Jones, C. Joram, B. Jost, Nathan Jurik, S. Kandybei, M. Karacson, James Mwangi Kariuki, S. Karodia, Nikita Kazeev, Matthieu Kecke, Floris Keizer, M. Kelsey, Matthew Kenzie, T. Ketel, E. Khairullin, B. Khanji, C. Khurewathanakul, Kyung Eun Kim,Thomas Kirn, Suzanne Klaver, Konrad Klimaszewski, T. Klimkovich, Serhii Koliiev, M. Kolpin, Renata Kopečná, P. Koppenburg, Igor Kostiuk, Sofia Kotriakhova, M. Kozeiha, L. Kravchuk, M. Kreps, Felix Johannes Kress, P. Krokovny, Wojciech Krupa, Wojciech Krzemień, W. Kucewicz, M. Kucharczyk, V. Kudryavtsev,Axel Kevin Kuonen, T. Kvaratskheliya, D. Lacarrère, G. D. Lafferty, A. Lai, Davide Lancierini, G. Lanfranchi, C. Langenbruch, Thomas Latham, C. Lazzeroni, R. Le Gac, A. Leflat, J. Lefrançois, R. Lefèvre,Florian Lemaître, O. Leroy, T. Lesiak, Blake Leverington,Pei‐Rong Li, Tenglin Li, Zhuoming Li, Xixin Liang, T. Likhomanenko, R. Lindner, F. Lionetto, Vitalii Lisovskyi,Xuesong Liu, D. Loh,Angelo Loi, I. Longstaff, J. H. Lopes,George Holger Lovell, D. Lucchesi, Miriam Lucio Martínez,Anna Lupato, E. Luppi, Oliver Lupton, A. Lusiani, Xiao-Rui Lyu,Frédéric Machefert, F. Maciuc, Vladimír Macko, Patrick Mackowiak, Samuel Maddrell-Mander, O. Maev, K. Maguire, Dmitrii Maisuzenko, Maciej Witold Majewski, S. Malde, Bartosz Malecki, А. Малинин, Timofei Maltsev, G. Manca, G. Mancinelli, Daniele Marangotto, J. Maratas, J. F. Marchand, U. Marconi,Carla Marín Benito, Matthieu Marinangeli, P. Marino, J. Marks, Phillip John Marshall, G. Martellotti, M. Aldaya Martin, M. Martinelli, D. Martínez Santos,F. Martínez-Vidal, A. Massafferri, Marcel Materok, R. Matev,Abhijit Mathad, Z. Máthé, C. Matteuzzi,Andrea Mauri,Émilie Maurice, B. Maurin, A. Mazurov, M. McCann,Andrew Mcnab, R. McNulty, James Vincent Mead, B. T. Meadows,Cédric Méaux, F. Meier, Nis Meinert,Dmytro Melnychuk, M. Merk,Andrea Merli,Emanuele Michielin, Diego Alejandro Milanes, Edward James Millard, Marie-Noelle Minard, Luca Minzoni, Dominik Stefan Mitzel, Andrea Mogini, J. Molina Rodriguez, Titus Mombächer, Igancio Alberto Monroy, S. Monteil, M. Morandin, G. Morello, M. J. Morello, Olga Morgunova,Jakub Moroń, Adam Benjamin Morris, R. Mountain, F. Muheim, Mick Mulder, Colm Harold Murphy,Dónal Murray, Antje Mödden, Dominik Müller,Janine Müller, Katharina Müller, Vanessa Müller, P. Naik, T. Nakada, R. Nandakumar, Anita Nandi, Tara Nanut,Irina Nasteva, M. Needham, N. Neri, Sebastian Neubert, N. Neufeld, M. 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Vieira, Maria Vieites Diaz, Harald Viemann, X. Vilasís-Cardona,Arseniy Vitkovskiy, Marcela Vitti, V. Volkov, A. Vollhardt, Balázs Vőneki,Alexey Vorobyev, V. Vorobyev, Jacco de Vries, C. Vázquez Sierra, R. Waldi, J. Walsh,Jianchun Wang, Mengzhen Wang, Yilong Wang, Zhenzi Wang, D. R. Ward, Heather Mckenzie Wark,Nigel Watson, D. Websdale, A. Weiden,Constantin Weißer, M. Whitehead, J. Wicht, G. Wilkinson,Michael Wilkinson, Ifan Williams, Mark Richard James Williams, Mike Williams, T. Williams, F. F. Wilson, J. Wimberley, Michael Andreas Winn, J. Wishahi, Wojciech Wiślicki, M. Witek, G. Wormser, Stephen Wotton, K. Wyllie, D. Xiao, Y. Xie, Ao Xu, Menglin Xu, Qingnian Xu, Zehua Xu, Z. Xu, Z. Yang, Zishuo Yang, Yuezhe Yao, Lauren Emma Yeomans, Hang Yin, J. Yu, Xuhao Yuan, O. Yushchenko, Kristian Alexander Zarebski, M. Zavertyaev, Dongliang Zhang, Liming Zhang, Wen Chao Zhang, Yanxi Zhang, A. Zhelezov, Yangheng Zheng, Xianglei Zhu, В. Жуков, Jennifer Brigitta Zonneveld, S. Zucchelli
The Journal of high energy physics/The journal of high energy physics（2019）
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摘要
A bstract The prompt production of Λ c + baryons is studied in proton-lead collisions collected with the LHCb detector at the LHC. The data sample corresponds to an integrated luminosity of 1.58 nb −1 recorded at a nucleon-nucleon centre-of-mass energy of $$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ s N N = 5.02 TeV. Measurements of the differential cross-section and the forwardbackward production ratio are reported for Λ c + baryons with transverse momenta in the range 2 < p T < 10 GeV/c and rapidities in the ranges 1.5 < y ∗ < 4.0 and −4.5 < y ∗ < −2.5 in the nucleon-nucleon centre-of-mass system. The ratio of cross-sections of Λ c + baryons and D 0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.
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