Accès ouvert déclaré
2025
article
Multiplicity dependence of ${\Xi }_{\text{c}}^{+}$ and ${\Xi }_{\text{c}}^{0}$ production in pp collisions at $\sqrt{s}=13$ TeV
S. Acharya, Luca Aglietta, M. Agnello, N. Agrawal, Zubayer Ahammed, S. Ahmad, I. Ahuja, Zulkaida Akbar, A. Akindinov, Valentina Akishina, Mohammad Al-Turany, Dmitry Aleksandrov, B. Alessandro, H. M. Alfanda, Bushra Ali, A. Alici, A. Alkin, J. Alme, G. Alocco, Torsten Alt, Anna Rita Altamura, I. Altsybeev, C. Andrei, N. Andreou, A. Andronic, Evgeny Andronov, V. Anguelov, F. Antinori, P. Antonioli, N. Apadula, Harald Appelshaeuser, S. Arcelli, Roberta Arnaldi, Ionut Cristian Arsene, M. Arslandok, Andre Augustinus, R. Averbeck, M. D. Azmi, Hitoshi Baba, A. Badalà, Joonsuk Bae, Yunseul Bae, Y. W. Baek, Xiaozhi Bai, R. Bailhache, Yoshini Bailung, R. Bala, A. Baldisseri, Bartosz Baliś, Shubham Bangalia, Zarina Banoo, Veronika Barbasová, F. Barile, L. Barioglio, M. Barlou, Banajit Barman, G. G. Barnaföldi, L. S. Barnby, E. Barreau, K. Barth, E. Bartsch, Nicole Bastid, G. Batigne, D. Battistini, B. Batyunya, Dibakar Bauri, I. G. Bearden, Pascal Becht, D. Behera, I. Belikov, Valerio Di Bella, F. Bellini, R. Bellwied, G. Bencédi, Adel Bensaoula, S. Beolè, Y. Berdnikov, Anastasia Berdnikova, L. Bergmann, Lorenzo Bernardinis, L. Betev, Partha Pratim Bhaduri, A. Bhasin, Buddhadeb Bhattacharjee, L. Bianchi, Jaroslav Bielcik, J. Bielčíková, A. Bilandzic, Anna Binoy, G. Bíró, Saikat Biswas, D. Blau, Mihail Bogdan Blidaru, Nora Bluhme, C. Blume, F. Bock, Tea Bodova, Jeongsu Bok, L. Boldizsár, M. Bombara, Peter Matthew Bond, G. Bonomi, Herve Borel, Alexander Borissov, E. Botta, Diana Catalina Brandibur, L. Bratrud, P. Braun‐Munzinger, M. Bregant, Michal Broz, G. Bruno, Valentin Dimitrov Buchakchiev, M. D. Buckland, Henner Buesching, S. Bufalino, Paul Alois Buhler, N. Burmasov, Edith Zinhle Buthelezi, Aleksandr Bylinkin, Christopher Alfred Carr, H. Caines, A. Calivà, P. Camerini, Maria Teresa Camerlingo, Fabio de Moraes Canedo, Stefano Cannito, Sierra Lisa Cantway, Mihai Carabaș, F. Carnesecchi, Matteo Castoldi, F. Catalano, Samuele Cattaruzzi, Rebecca Cerri, Irakli Chakaberia, Pritam Chakraborty, J. Chan, Sinjini Chandra, S. Chapeland, M. Chartier, Souvik Chattopadhay, Meiyi Chen, T. Cheng, C. Cheshkov, Davide Chiappara, Fabrizio Chinu, E. S. Chizzali, J. Cho, S. Cho, P. Chochula, Zuzanna Anna Chochulska, Dhrubajyoti Choudhury, P. Christakoglou, Christian Holm Christensen, P. Christiansen, T. Chujo, M. Ciacco, C. Cicalò, Gabriele Cimador, Federico Cindolo, G. Clai, F. Colamaria, D. Colella, Angelo Colelli, M. Colocci, Matteo Concas, G. Contin, M. L. Coquet, P. Cortese, M. R. Cosentino, Filippo Costa, S. Costanza, Philippe Crochet, Maciej Marek Czarnynoga, A. Dainese, Gautam Dange, Meike Charlotte Danisch, Andrea Danu, P. Das, Supriya Das, A. Dash, Sadhana Dash, A. De, G. de Cataldo, J. de Cuveland, D. De Gruttola, Nora de Marco, Chiara de Martin, S. De Pasquale, Rohaan Deb, R. Del Grande, L. Dello Stritto, D. Di Bari, Marcello Di Costanzo, A. Di Mauro, B. Di Ruzza, Batoul Diab, Yanchun Ding, J. Ditzel, Roberto Divia, Alexandru Florin Dobrin, Benjamin Dönigus, Lars Döpper, Jan Michal Dubinski, A. Dubla, P. Dupieux, Natalia Dzalaiova, Tabea Maria Eder, Raymond James Ehlers, Florian Eisenhut, Ren Ejima, Domenico Elia, B. Erazmus, F. Ercolessi, B. Espagnon, G. Eulisse, D. Evans, L. Fabbietti, M. Faggin, Julien Faivre, W. Fan, A. Fantoni, Markus Fasel, A. Feliciello, Г. Феофилов, A. Ferrero, C. Ferrero, A. Ferretti, Victor Jose Gaston Feuillard, D. Finogeev, F. M. Fionda, Amanda Nicole Flores, S. Foertsch, I. Fokin, S. Fokin, Umberto Follo, Robert Forynski, Enrico Fragiacomo, Eszter Frajna, Henrik Fribert, Ulrich Fuchs, N. Funicello, Christophe Furget, A. Furs, T. Fusayasu, Jens Joergen Gaardhoeje, M. Gagliardi, Tanu Gahlaut, Sarjeeta Gami, P. Ganoti, Edmundo Javier Garcia-Solis, Sara Garetti, Corrado Gargiulo, P. Gasik, Hari Mohan Gaur, Amrit Gautam, Maria Beatriz de Leone Gay, M. Germain, Roman August Gernhaeuser, C. Ghosh, Marco Giacalone, Giulia Gioachin, Sourav Kanti Giri, P. Giubellino, P. Giubilato, Peter Glassel, Ewa Glimos, M. Gorgoń, Kangkan Goswami, S. Gotovac, Varlen Grabski, L. K. Graczykowski, E. Grecka, A. Grelli, V. Grigoriev, S. Grigoryan, Ola Slettevoll Groettvik, F. Grosa, Jan Fiete Grosse-Oetringhaus, R. Grosso, David Grund, Nadine Alice Gruenwald, R. Guernane, M. Guilbaud, Kristján Herlache Gulbrandsen, Tuba Gundem, Taku Gunji, Jiacheng Guo, Wenda Guo, Anik Gupta, R. Gupta, Rashi Gupta, K. Gwizdziel, Laszlo Gyulai, C. Hadjidakis, Fakhar Ul Haider, Sara Haidlova, Mintu Haldar, H. Hamagaki, Younghoon Han, Brian Gerald Hanley, R. Hannigan, Joachim Hansen, John William Harris, A. Harton, Michael Volker Hartung, Afrina Hasan, Hadi Hassan, D. Hatzifotiadou, Philip Hauer, Laura Brittany Havener, Ernst Hellbär, Haavard Helstrup, Marvin Hemmer, T. Herman, Sabrina Gabrielle Hernandez, K. F. Hetland, Benedict Heybeck, H. Hillemanns, B. Hippolyte, Isis Pihn Marie Hobus, Bas Hofman, Adrian Horzyk, Yongzhen Hou, Peter Zahariev Hristov, Patrick Huhn, Laura Maria Huhta, T. J. Humanic, Vendulka Humlova, Alek Hutson, D. Hutter, Radiy Ilkaev, Motoi Inaba, Mikhail Ippolitov, А. Исаков, T. Isidori, Md Samsul Islam, M. Ivanov, K. E. Iversen, Jungeol Kim, M. Jabłoński, B. Jacak, N. Jacazio, Peter Martin Jacobs, Slavka Jadlovská, Ján Jadlovský, Syaefudin Jaelani, Monika Joanna Jakubowska, E. Jamro, Diana Maria Janik, M. A. Janik, Su-Jeong Ji, Shihai Jia, Shangtai Jin, F. Jonas, D. M. Jones, J. M. Jowett, J. Jung, M. Jung, A. Junique, A. Jusko, Jetnipit Kaewjai, Peter Kalinak, Alexander Philipp Kalweit, Nikolaos Karatzenis, O. Karavichev, T. Karavicheva, Maja Jadwiga Karwowska, Udo Wolfgang Kebschull, Markus Keil, Bernhard Franz Ketzer, Johannes Keul, Swapnesh Santosh Khade, A. M. Khan, A. Khanzadeev, Y. Kharlov, A. Khatun, A. Khuntia, Zhanna Khuranova, Bjarte Wang-Kileng, B. Kim, Chong Kim, D. J. Kim, Dongguk Kim, Eun Joo Kim, Giyeong Kim, J. Kim, J. Kim, Junlee Kim, M. Kim, Se Yong Kim, Taejun Kim, Kento Kimura, S. Kirsch, I. Kisel, S. Kiselev, A. Kisiel, Jennifer Lynn Klay, J. Klein, Spencer Robert Klein, C. Klein-Bösing, Matthias Kleiner, Alexander Kluge, C. Kobdaj, Ryotaro Kohara, Thorsten Sven Kollegger, Andrey Kondratyev, N. Kondratyeva, Joshua Leon Konig, Piotr Jan Konopka, M. Korwieser, Sebastian Dominik Koryciak, Cornelia Koster, Artem Kotliarov, Nino Kovacic, V. Kovalenko, M. Kowalski, V. Kozhuharov, Grigory Kozlov, I. Králik, A. Kravčáková, Lubos Krcal, Marian Krivda, Filip Krizek, C. Krug, M. Krüger, E. Kryshen, V. Kučera, C. Kuhn, Takuya Kumaoka, Deekshit Kumar, L. Kumar, S. Kumar, S. Kundu, Menghsiu Kuo, Podist Kurashvili, A. Kurepin, S Kurita, A. Kuryakin, S. Kushpil, Monika Kutyła, M. J. Kweon, Y. Kwon, Sarah Louise La Pointe, P. La Rocca, Anantachai Lakrathok, Massimo Lamanna, Stéphane Lambert, Aimeric Robin Landou, Rune Langoy, E. Laudi, L. Lautner, R. Lavicka, R. Lea, H. Lee, I. Legrand, G. Legras, Alexian Marc Lejeune, Tomasz Marcin Lelek, M. M. Lesch, P. Lévai, Mingze Li, Peiyu Li, Xiaomei Li, Beatrice Eva Liang-Gilman, J. Lien, Roman Lietava, Bong-Hwi Lim, Hyunji Lim, Sanghoon Lim, Shoulong Lin, Volker Lindenstruth, C. Lippmann, Dominika Líšková, D. H. Liu, J. Liu, C. Loizides, S. Lökòs, Johanna Lomker, X. Lopez, Pengzhong Lu, Weijian Lu, Zhiyong Lu, Jiaqi Luo, G. Luparello, Yugang Ma, M. Mager, A. Maire, E. M. Majerz, Martin Vasilev Makariev, G. Malfattore, N. M. Malik, Nida Malik, Salman Khurshid Malik, D. Mallick, Neelkamal Mallick, G. Mandaglio, Sushobhan Kumar Mandal, A. Manea, V. Manko, Franck Manso, Georgios Mantzaridis, V. Manzari, Yaxian Mao, Robert Waclaw Marcjan, G. V. Margagliotti, A. Margotti, Ana Maria Marin, C. Markert, P. Martinengo, G. Martınez García, Silvia Masciocchi, M. Masera, A. Masoni, L. Massacrier, Olaf Massen, A. Mastroserio, Lorenzo Mattei, S. Mattiazzo, A. Matyja, F. Mazzaschi, M. Mazzilli, Y. Melikyan, Maria Monalisa de Melo Paulino, Arturo Alejandro Menchaca-Rocha, E. Meninno, Marius Wilm Menzel, M. Meres, L. Micheletti, Darius Mihai, Dimitar Lubomirov Mihaylov, Andreas Ulveseth Mikalsen, Konstantin Mikhaylov, Louise Millot, N. Minafra, A. Modak, B. Mohanty, M. Mohisin Khan, Mikael Andreas Molander, M. M. Mondal, Shirajum Monira, Andreas Morsch, Teo Mrnjavac, Stefanie Mrozinski, V. Muccifora, S. Muhuri, A. Mulliri, Robert Helmut Munzer, Hikari Murakami, L. Musa, Jan Musinsky, J. W. Myrcha, Bharati Naik, Anjali Ila Nambrath, Basanta Kumar Nandi, Rosario Nania, E. Nappi, Adrian Fereydon Nassirpour, Vlad-Iulius Nastase, Abhishek Nath, Neal Nathanson, C. Nattrass, Kirill Naumov, Alexandra Neagu, L. Nellen, Roman Nepeivoda, S. Nese, Nicola Nicassio, B. S. Nielsen, Emil Gorm Nielsen, S. Nikolaev, Vladimir Nikulin, Francesco Noferini, S. Y. Noh, P. Nomokonov, J. Norman, N. Novitzky, J. Nystrand, Matthew Robert Ockleton, M. Ogino, Saehanseul Oh, A. Ohlson, Masahiro Oida, Vitaly Okorokov, J. Oleniacz, C. Oppedisano, Jacek Tomasz Otwinowski, Motomi Oya, Ken Oyama, Sonali Padhan, D. Pagano, Guy Paić, A. Palasciano, Iaroslav Panasenko, Caterina Pantouvakis, Hanseo Park, J. Park, S. Park, Tae-Yong Park, Jasper Elias Parkkila, Yash Patley, Rajendra Nath Patra, B. Paul, H. Pei, T. Peitzmann, X. Peng, M. Pennisi, Stefania Perciballi, Dmitrii Peresunko, Yury Pestov, M. Petrovici, Stefano Piano, M. Pikna, P. Pillot, O. Pinazza, L. Pinsky, C. Pinto, S. Pisano, Mateusz Andrzej Ploskon, M. Planinić, Damian Kacper Plociennik, Martin Poghosyan, Boris Polishchuk, S. Politano, Nikola Poljak, A. Pop, Sarah Julie Porteboeuf, Kshitish Kumar Pradhan, Suraj Prasad, R. Preghenella, F. Prino, C. A. Pruneau, Igor Pshenichnov, M. Puccio, S. Pucillo, L. Quaglia, S. Ragoni, Ananya Rai, A. Rakotozafindrabe, Niveditha Ramasubramanian, L. Ramello, M. Rasa, S. S. Räsänen, R. Rath, Max Philip Rauch, I. Ravasenga, K. F. Read, Christian Reckziegel, A. Redelbach, K. Redlich, Carolina Anna Jauch, Attiq Ur Rehman, F. Reidt, Haakon André Reme-Ness, Klaus Johannes Reygers, R. Ricci, Matthias Rudolph Richter, Anton Albert Riedel, W. Riegler, Andrea Giovanni Riffero, Michele Rignanese, C. Ripoli, Catalin-Lucian Ristea, K. Røed, Roman Rogalev, Elena Rogochaya, David Michael Rohr, Dieter Roehrich, Przemyslaw Stefan Rokita, G. Romanenko, F. Ronchetti, K. Rosłon, Ankhi Roy, Subhadeep Roy, Nicola Rubini, Justus Arne Rudolph, Daniela Ruggiano, R. Rui, Pawel Grzegorz Russek, Roberto Russo, Anar Rustamov, Y. F. Ryabov, Andrzej Krzysztof Rybicki, Geonmo Ryu, J. Ryu, W. Rzesa, Bianca Sabiu, Rita Sadek, Samrangy Sadhu, S. Sadovsky, S. Saha, Bhagyarathi Sahoo, R. Sahoo, Dushmanta Sahu, Pradip Kumar Sahu, Jogender Saini, Klaudia Tropp, Shingo Sakai, Sanjeev Singh Sambyal, Daniel Samitz, I. Sanna, D. Sarkar, P. Sarma, Valerio Sarritzu, S. Sawan, E. Scapparone, Johann Joachim Schambach, Horst Sebastian Scheid, Claudiu Cornel Schiaua, R. 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Ulukutlu, Sahil Upadhyaya, A. Uras, M. Urioni, G. L. Usaı́, Mudit Vaid, Martin Vala, N. Valle, Lennart van Doremalen, M. van Leeuwen, C. A. van Veen, Roelof Jan Gijs van Weelden, Dezso Varga, Z. Varga, M. Vasileiou, V. Vechernin, Paul Veen, E. Vercellin, R. Verma, Róbert Vértesi, M. Verweij, L. Vickovic, Zabulon Vilakazi, Anna Villani, Alexander Vinogradov, T. Virgili, Maxim Mikael Olavi Virta, A. Vodopyanov, Martin Andreas Volkl, Sergey Voloshin, Giacomo Volpe, Barthelemy von Haller, Ivan Vorobyev, N. Vozniuk, Janka Vrlakova, Jie Wan, C. Wang, Y. Wang, Yubiao Wang, Zhengqing Wang, Adam Tadeusz Wegrzynek, Felix Thomas Weiglhofer, Sandro Christian Wenzel, Johannes Peter Wessels, Piotr Kazimierz Wiacek, J. Wiechuła, Jon Wikne, Grzegorz Andrzej Wilk, J. Wilkinson, Guido Alexander Willems, Bernd Stefan Windelband, Jonathan Caspar Witte, Josephina Rae Wright, Chuntai Wu, Wenya Wu, Yitao Wu, Zhenjun Xiong, Lang Xu, R. Xu, A. Yadav, Arun Kumar Yadav, Yorito Yamaguchi, Seunghwan Yang, Shiming Yang, S. Yano, Emma Rose Yeats, Jie Yi, Ruiqi Yin, Zhongbao Yin, I.-K. Yoo, J. H. Yoon, Hyeonjin Yu, Shiming Yuan, Alperen Yuncu, V. Zaccolo, C. Zampolli, F. Zanone, N. Zardoshti, Petr Zavada, C. Zhang, L. Zhang, Mingyu Zhang, Yifei Zhang, M. Zhao, Vladimir Zherebchevskii, Zhi Yu, Daicui Zhou, J. Zhu, Senjie Zhu, Ya Zhu, Alessandra Zingaretti, Stefan Cristi Zugravel, N. Zurlo
0Citations signalées, ce qui n’est pas une note de qualité
12Institutions déclarées
2Pays d’affiliation déclarés
Rattachement africain : de, fr.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The first measurement at midrapidity (|y|< 0.5) of the production yield of the strange-charm baryons ${\Xi }_{\text{c}}^{+}$ and ${\Xi }_{\text{c}}^{0}$ as a function of transverse momentum (p$_{T}$) in different charged-particle multiplicity classes in proton-proton collisions at $\sqrt{s}=13$ TeV with the ALICE experiment at the LHC is reported. The ${\Xi }_{\text{c}}^{+}$ baryon is reconstructed via the ${\Xi }_{\text{c}}^{+}\to {\Xi }^{-}{\pi }^{+}{\pi }^{+}$ decay channel in the range 4 < p$_{T}$< 12 GeV/c, while the ${\Xi }_{\text{c}}^{0}$ baryon is reconstructed via both the ${\Xi}_{\text{c}}^{0}\to {\Xi}^{-}{\pi }^{+}$ and ${\Xi}_{\text{c}}^{0}\to {\Xi}^{-}{\text{e}}^{+}{\nu }_{\text{e}}$ decay channels in the range 2 < p$_{T}$< 12 GeV/c. The baryon-to-meson $\left({\Xi}_{\text{c}}^{0,+}/{\text{D}}^{0}\right)$ and the baryon-to-baryon $\left({\Xi}_{\text{c}}^{0,+}/{\Lambda}_{\text{c}}^{+}\right)$ production yield ratios show no significant dependence on multiplicity. In addition, the observed yield ratios are not described by theoretical predictions that model charm-quark fragmentation based on measurements at e$^{+}$e$^{−}$ and e$^{−}$p colliders, indicating differences in the charm-baryon production mechanism in pp collisions. A comparison with different event generators and tunings, including different modelling of the hadronisation process, is also discussed. Moreover, the branching-fraction ratio of ${\text{BR}}\left({\Xi}_{\text{c}}^{0}\to {\Xi }^{-}{\text{e}}^{+}{\nu }_{\text{e}}\right)/{\text{BR}}\left({\Xi}_{\text{c}}^{0}\to {\Xi }^{-}{\pi }^{+}\right)$ is measured as 0.825 ± 0.094 (stat.) ± 0.081 (syst.). This value supersedes the previous ALICE measurement, improving the statistical precision by a factor of 1.6.[graphic not available: see fulltext]
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Les sujets associés
Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions