Multiplicity dependence of Ξc+ and Ξc0 production in pp collisions at √s=13 TeV

Citations

WEB OF SCIENCE

1
Citations

SCOPUS

1

초록

The first measurement at midrapidity (vertical bar y vertical bar < 0.5) of the production yield of the strange-charm baryons Xi(+)(c) and Xi(0)(c) as a function of transverse momentum (p(T)) in different charged-particle multiplicity classes in proton-proton collisions at root s = 13TeV with the ALICE experiment at the LHC is reported. The Xi(+)(c) baryon is reconstructed via the Xi(+)(c) -> Xi(-) pi(+)pi(+) decay channel in the range 4 < p(T) < 12 GeV/c, while the Xi(0)(c) baryon is reconstructed via both the Xi(0)(c) -> Xi(-) pi(+) and Xi(0)(c) -> Xi(-) e(+) nu(e) decay channels in the range 2 < p(T) < 12 GeV/c. The baryon-to-meson ( Xi(0,+)(c) /D-0) and the baryon-to-baryon (Xi(0,+)(c) /Lambda(+)(c)) 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 BR( Xi(0)(c) -> Xi(-) e(+) nu(e))/BR( Xi(0)(c) -> Xi(-) pi(+)) 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.

키워드

Charm PhysicsHadron-Hadron ScatteringProton-Proton Scattering
제목
Multiplicity dependence of Ξc+ and Ξc0 production in pp collisions at √s=13 TeV
저자
Abualrob, I. J.Acharya, S.Rinella, G. AglieriAglietta, L.Agnello, M.Agrawal, N.Ahammed, Z.Ahmad, S.Ahuja, I.Akbar, Zul.Akindinov, A.Akishina, V.Al-Turany, M.Aleksandrov, D.Alessandro, B.Alfanda, H. M.Molina, R. AlfaroAli, B.Alici, A.Alkin, A.Alme, J.Alocco, G.Alt, T.Altamura, A. R.Altsybeev, I.Andrei, C.Andreou, N.Andronic, A.Andronov, E.Anguelov, V.Antinori, F.Antonioli, P.Apadula, N.Appelshauser, H.Arcelli, S.Arnaldi, R.Arneiro, J. G. M. C. A.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Azmi, M. D.Baba, H.Babu, A. R. J.Badala, A.Bae, J.Bae, Y.Baek, Y. W.Bai, X.Bailhache, R.Bailung, Y.Bala, R.Baldisseri, A.Balis, B.Bangalia, S.Banoo, Z.Barbasova, V.Barile, F.Barioglio, L.Barlou, M.Barman, B.Barnafoldi, G. G.Barnby, L. S.Barreau, E.Barret, V.Barreto, L.Barth, K.Bartsch, E.Bastid, N.Batigne, G.Battistini, D.Batyunya, B.Bauri, D.Alba, J. L. BazoBearden, I. G.Becht, P.Behera, D.Behera, S.Belikov, I.Bella, V. D.Bellini, F.Bellwied, R.Beltran, L. G. E.Beltran, Y. A. V.Bencedi, G.Bensaoula, A.Beole, S.Berdnikov, Y.Berdnikova, A.Bergmann, L.Bernardinis, L.Betev, L.Bhaduri, P. P.Bhalla, T.Bhasin, A.Bhattacharjee, B.Bhattarai, S.Bianchi, L.Bielcik, J.Bielcikova, J.Bilandzic, A.Binoy, A.Biro, G.Biswas, S.Blau, D.Blidaru, M. B.Bluhme, N.Blume, C.Bock, F.Bodova, T.Bok, J.Boldizsar, L.Bombara, M.Bond, P. M.Bonomi, G.Borel, H.Borissov, A.Carcamo, A. G. BorquezBotta, E.Bouziani, Y. E. M.Brandibur, D. C.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Bruno, G. E.Buchakchiev, V. D.Buckland, M. D.Buesching, H.Bufalino, S.Buhler, P.Burmasov, N.Buthelezi, Z.Bylinkin, A.Carr, C.Noris, J. C. CabanillasCabrera, M. F. T.Caines, H.Caliva, A.Villar, E. CalvoCamacho, J. M. M.Camerini, P.Camerlingo, M. T.Canedo, F. D. M.Cannito, S.Cantway, S. L.Carabas, M.Carnesecchi, F.Carvalho, L. A. D.Castellanos, J. CastilloCastoldi, M.Catalano, F.Cattaruzzi, S.Cerri, R.Chakaberia, I.Chakraborty, P.Chan, J. W. O.Chandra, S.Chapeland, S.Chartier, M.Chattopadhay, S.Chen, M.Cheng, T.Cheshkov, C.Chiappara, D.Barroso, V. ChibanteChinellato, D. D.Chinu, F.Chizzali, E. S.Cho, J.Cho, S.Chochula, P.Chochulska, Z. A.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Ciacco, M.Cicalo, C.Cimador, G.Cindolo, F.Clai, G.Colamaria, F.Colella, D.Colelli, A.Colocci, M.Concas, M.Balbastre, G. Conesadel Valle, Z. ConesaContin, G.Contreras, J. G.Coquet, M. L.Cortese, P.Cosentino, M. R.Costa, F.Costanza, S.Crochet, P.Czarnynoga, M. M.Dainese, A.Dange, G.Danisch, M. C.Danu, A.Das, P.Das, S.Dash, A. R.Dash, S.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Martin, C.De Pasquale, S.Deb, R.Del Grande, R.Dello Stritto, L.de Souza, G. G. A.Dhankher, P.Di Bari, D.Di Costanzo, M.Di Mauro, A.Di Ruzza, B.Diab, B.Ding, Y.Ditzel, J.Divia, R.Dobrin, A.Donigus, B.Dopper, L.Dubinski, J. M.Dubla, A.Dupieux, P.Dzalaiova, N.Eder, T. M.Ehlers, R. J.Eisenhut, F.Ejima, R.Elia, D.Erazmus, B.Ercolessi, F.Espagnon, B.Eulisse, G.Evans, D.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fan, W.Fang, T.Fantoni, A.Fasel, M.Feliciello, A.Feofilov, G.Tellez, A. FernandezFerrandi, L.Ferrer, M. B.Ferrero, A.Ferrero, C.Ferretti, A.Feuillard, V. J. G.Finogeev, D.Fionda, F. M.Flores, A. N.Foertsch, S.Fokin, I.Fokin, S.Follo, U.Forynski, R.Fragiacomo, E.Frajna, E.Fribert, H.Fuchs, U.Funicello, N.Furget, C.Furs, A.Fusayasu, T.Gaardhoje, J. J.Gagliardi, M.Gago, A. M.Gahlaut, T.Galvan, C. D.Gami, S.Ganoti, P.Garabatos, C.Garcia, J. M.Chavez, T. GarciaGarcia-Solis, E.Garetti, S.Gargiulo, C.Gasik, P.Gaur, H. M.Gautam, A.Ducati, M. B. GayGermain, M.Gernhaeuser, R. A.Ghosh, C.Giacalone, M.Gioachin, G.Giri, S. K.Giubellino, P.Giubilato, P.Glassel, P.Glimos, E.Gonzalez, V.Gorgon, M.Goswami, K.Gotovac, S.Grabski, V.Graczykowski, L. K.Grecka, E.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Groettvik, O. S.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Grund, D.Grunwald, N. A.Guernane, R.Guilbaud, M.Gulbrandsen, K.Gumprecht, J. K.Gundem, T.Gunji, T.Guo, J.Guo, W.Gupta, A.Gupta, R.Gupta, R.Gwizdziel, K.Gyulai, L.Hadjidakis, C.Haider, F. U.Haidlova, S.Haldar, M.Hamagaki, H.Han, Y.Hanley, B. G.Hannigan, R.Hansen, J.Harris, J. W.Harton, A.Hartung, M. V.Hasan, A.Hassan, H.Hatzifotiadou, D.Hauer, P.Havener, L. B.Hellbar, E.Helstrup, H.Hemmer, M.Herman, T.Hernandez, S. G.Corral, G. HerreraHetland, K. F.Heybeck, B.Hillemanns, H.Hippolyte, B.Hobus, I. P. M.Hoffmann, F. W.Hofman, B.Horst, M.Horzyk, A.Hou, Y.Hristov, P.Huhn, P.Huhta, L. M.Humanic, T. J.Humlova, V.Hutson, A.Hutter, D.Hwang, M. C.Ilkaev, R.Inaba, M.Ippolitov, M.Isakov, A.Isidori, T.Islam, M. S.Ivanov, M.Ivanov, M.Iversen, K. E.Kim, J. G.Jablonski, M.Jacak, B.Jacazio, N.Jacobs, P. M.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M. J.Jamro, E. P.Janik, D. M.Janik, M. A.Ji, S.Jia, S.Jiang, T.Jimenez, A. A. P.Jin, S.Jonas, F.Jones, D. M.Jowett, J. M.Jung, J.Jung, M.Junique, A.Jusko, A.Kaewjai, J.Kalinak, P.Kalweit, A.Uysal, A. KarasuKaratzenis, N.Karavichev, O.Karavicheva, T.Karwowska, M. J.Kebschull, U.Keil, M.Ketzer, B.Keul, J.Khade, S. S.Khan, A. M.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Khuranova, Z.Kileng, B.Kim, B.Kim, C.Kim, D. J.Kim, D.Kim, E. J.Kim, G.Kim, H.Kim, J.Kim, J.Kim, J.Kim, M.Kim, S.Kim, T.Kimura, K.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, J.Klein, S.Klein-Bosing, C.Kleiner, M.Kluge, A.Kobdaj, C.Kohara, R.Kollegger, T.Kondratyev, A.Kondratyeva, N.Konig, J.Konopka, P. J.Kornakov, G.Korwieser, M.Koryciak, S. D.Koster, C.Kotliarov, A.Kovacic, N.Kovalenko, V.Kowalski, M.Kozhuharov, V.Kozlov, G.Kralik, I.Kravcakova, A.Krcal, L.Krivda, M.Krizek, F.Gajdosova, K. KrizkovaKrug, C.Kruger, M.Kryshen, E.Kucera, V.Kuhn, C.Kumaoka, T.Kumar, D.Kumar, L.Kumar, N.Kumar, S.Kundu, S.Kuo, M.Kurashvili, P.Kurepin, A. B.Kurita, S.Kuryakin, A.Kushpil, S.Kutyla, M.Kuznetsov, A.Kweon, M. J.Kwon, Y.La Pointe, S. L.La Rocca, P.Lakrathok, A.Lamanna, M.Lambert, S.Landou, A. R.Langoy, R.Laudi, E.Lautner, L.Laveaga, R. A. N.Lavicka, R.Lea, R.Lee, H.Legrand, I.Legras, G.Lejeune, A. M.Lelek, T. M.Monzon, I. LeonLesch, M. M.Levai, P.Li, M.Li, P.Li, X.Liang-Gilman, B. E.Lien, J.Lietava, R.Likmeta, I.Lim, B.Lim, H.Lim, S. H.Lin, S.Lindenstruth, V.Lippmann, C.Liskova, D.Liu, D. H.Liu, J.Liveraro, G. S. S.Lofnes, I. M.Loizides, C.Lokos, S.Lomker, J.Lopez, X.Torres, E. LopezLotteau, C.Lu, P.Lu, W.Lu, Z.Lugo, F. V.Luo, J.Luparello, G.Johnson, M. A. T.Ma, Y. G.Mager, M.Maire, A.Majerz, E. M.Makariev, M. V.Malfattore, G.Malik, N. M.Malik, N.Malik, S. K.Mallick, D.Mallick, N.Mandaglio, G.Mandal, S. K.Manea, A.Manko, V.Manna, A. K.Manso, F.Mantzaridis, G.Manzari, V.Mao, Y.Marcjan, R. W.Margagliotti, G. V.Margotti, A.Marin, A.Markert, C.Martinengo, P.Martinez, M. I.Garcia, G. MartinezMartins, M. P. P.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Massen, O.Mastroserio, A.Mattei, L.Mattiazzo, S.Matyja, A.Mazzaschi, F.Mazzilli, M.Melikyan, Y.Melo, M.Menchaca-Rocha, A.Mendez, J. E. M.Meninno, E.Menzel, M. W.Meres, M.Micheletti, L.Mihai, D.Mihaylov, D. L.Mikalsen, A. U.Mikhaylov, K.Millot, L.Minafra, N.Miskowiec, D.Modak, A.Mohanty, B.Khan, M. MohisinMolander, M. A.Mondal, M. M.Monira, S.De Godoy, D. A. MoreiraMorsch, A.Mrnjavac, T.Mrozinski, S.Muccifora, V.Muhuri, S.Mulliri, A.Munhoz, M. G.Munzer, R. H.Murakami, H.Musa, L.Musinsky, J.Myrcha, J. W.Naik, B.Nambrath, A. I.Nandi, B. K.Nania, R.Nappi, E.Nassirpour, A. F.Nastase, V.Nath, A.Nathanson, N. F.Nattrass, C.Naumov, K.Neagu, A.Nellen, L.Nepeivoda, R.Nese, S.Nicassio, N.Nielsen, B. S.Nielsen, E. G.Nikolaev, S.Nikulin, V.Noferini, F.Noh, S.Nomokonov, P.Norman, J.Novitzky, N.Nystrand, J.Ockleton, M. R.Ogino, M.Oh, S.Ohlson, A.Oida, M.Okorokov, V. A.Oleniacz, J.Oppedisano, C.Velasquez, A. OrtizOsanai, H.Otwinowski, J.Oya, M.Oyama, K.Padhan, S.Pagano, D.Paic, G.Paisano-Guzman, S.Palasciano, A.Panasenko, I.Panigrahi, P.Pantouvakis, C.Park, H.Park, J.Park, S.Park, T. Y.Parkkila, J. E.Pati, P. B.Patley, Y.Patra, R. N.Paudel, P.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pennisi, M.Perciballi, S.Peresunko, D.Perez, G. M.Pestov, Y.Petrovici, M.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pinto, C.Pisano, S.Ploskon, M.Planinic, M.Plociennik, D. K.Poghosyan, M. G.Polichtchouk, B.Politano, S.Poljak, N.Pop, A.Porteboeuf-Houssais, S.Pozos, I. Y.Pradhan, K. K.Prasad, S. K.Prasad, S.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Pucillo, S.Quaglia, L.Radhakrishnan, A. M. K.Ragoni, S.Rai, A.Rakotozafindrabe, A.Ramasubramanian, N.Ramello, L.Ramirez-Alvarez, C. O.Rasa, M.Rasanen, S. S.Rath, R.Rauch, M. P.Ravasenga, I.Read, K. F.Reckziegel, C.Redelbach, A. R.Redlich, K.Reetz, C. A.Regules-Medel, H. D.Rehman, A.Reidt, F.Reme-Ness, H. A.Reygers, K.Ricci, R.Richter, M.Riedel, A. A.Riegler, W.Riffero, A. G.Rignanese, M.Ripoli, C.Ristea, C.Rodriguez, M. V.Cahuantzi, M. RodriguezRoed, K.Rogalev, R.Rogochaya, E.Rohr, D.Rohrich, D.Torres, S. RojasRokita, P. S.Romanenko, G.Ronchetti, F.Herrera, D. RosalesRosas, E. D.Roslon, K.Rossi, A.Roy, A.Roy, S.Rubini, N.Rudolph, J. A.Ruggiano, D.Rui, R.Russek, P. G.Russo, R.Rustamov, A.Ryabov, Y.Rybicki, A.Ryder, L. C. V.Ryu, G.Ryu, J.Rzesa, W.Sabiu, B.Sadek, R.Sadhu, S.Sadovsky, S.Saha, S.Sahoo, B.Sahoo, R.Sahu, D.Sahu, P. K.Saini, J.Sajdakova, K.Sakai, S.Sambyal, S.Samitz, D.Sanna, I.Saramela, T. B.Sarkar, D.Sarma, P.Sarritzu, V.Sarti, V. M.Sas, M. H. P.Sawan, S.Scapparone, E.Schambach, J.Scheid, H. S.Schiaua, C.Schicker, R.Schlepper, F.Schmah, A.Schmidt, C.Schmidt, M.Schmidt, N. V.Schmier, A. R.Schoengarth, J.Schotter, R.Schroter, A.Schukraft, J.Schweda, K.Scioli, G.Scomparin, E.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selina, M.Selyuzhenkov, I.Senyukov, S.Seo, J. J.Serebryakov, D.Serkin, L.Serksnyt, L.Sevcenco, A.Shaba, T. J.Shabetai, A.Shahoyan, R.Sharma, B.Sharma, D.Sharma, H.Sharma, M.Sharma, S.Sharma, T.Sharma, U.Shatat, A.Sheibani, O.Shigaki, K.Shimomura, M.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silva, T. F.Silva, W. D.Silvermyr, D.Simantathammakul, T.Simeonov, R.Singh, B.Singh, B.Singh, K.Singh, R.Singh, R.Singh, S.Singh, V. K.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Skorodumovs, G.Smirnov, N.Snellings, R. J. M.Solheim, E. H.Sonnabend, C.Sonneveld, J. M.Soramel, F.Soto-Hernandez, A. B.Spijkers, R.Sputowska, I.Staa, J.Stachel, J.Stan, I.Stellhorn, T.Stiefelmaier, S. F.Stocco, D.Storehaug, I.Strangmann, N. J.Stratmann, P.Strazzi, S.Sturniolo, A.Suaide, A. A. P.Suire, C.Suiu, A.Sukhanov, M.Suljic, M.Sultanov, R.Sumberia, V.Sumowidagdo, S.Sundstrom, N. B.Tabares, L. H.Taghavi, S. F.Takahashi, J.Tambave, G. J.Tang, Z.Tanwar, J.Takaki, J. D. TapiaTapus, N.Tarasovicova, L. A.Tarzila, M. G.Tauro, A.Garcia, A. TaviraMunoz, G. TejedaTerlizzi, L.Terrevoli, C.Thakur, D.Thakur, S.Thogersen, M.Thomas, D.Tiltmann, N.Timmins, A. R.Toia, A.Tokumoto, R.Tomassini, S.Tomohiro, K.Topilskaya, N.Toppi, M.Torres, V. V.Trifiro, A.Triloki, T.Triolo, A. S.Tripathy, S.Tripathy, T.Trogolo, S.Trubnikov, V.Trzaska, W. H.Trzcinski, T. P.Tsolanta, C.Tu, R.Tumkin, A.Turrisi, R.Tveter, T. S.Ullaland, K.Ulukutlu, B.Upadhyaya, S.Uras, A.Urioni, M.Usai, G. L.Vaid, M.Vala, M.Valle, N.van Doremalen, L. V. R.van Leeuwen, M.van Veen, C. A.van Weelden, R. J. G.Varga, D.Varga, Z.Torres, P. VargasVasileiou, M.Vasiliev, A.Doce, O. VazquezRueda, O. VazquezVechernin, V.Veen, P.Vercellin, E.Verma, R.Vertesi, R.Verweij, M.Vickovic, L.Vilakazi, Z.Baillie, O. VillalobosVillani, A.Vinogradov, A.Virgili, T.Virta, M. M. O.Vodopyanov, A.Volkl, M. A.Voloshin, S. A.Volpe, G.von Haller, B.Vorobyev, I.Vozniuk, N.Vrlakova, J.Wan, J.Wang, C.Wang, D.Wang, Y.Wang, Y.Wang, Z.Wegrzynek, A.Weiglhofer, F.Wenzel, S. C.Wessels, J. P.Wiacek, P. K.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G. A.Windelband, B.Witte, J.Wojnar, M.Wright, J. R.Wu, C. -T.Wu, W.Wu, Y.Xiong, K.Xiong, Z.Xu, L.Xu, R.Yadav, A.Yadav, A. K.Yamaguchi, Y.Yang, S.Yang, S.Yano, S.Yeats, E. R.Yi, J.Yin, R.Yin, Z.Yoo, I. -K.Yoon, J. H.Yu, H.Yuan, S.Yuncu, A.Zaccolo, V.Zampolli, C.Zanone, F.Zardoshti, N.Zavada, P.Zhang, B.Zhang, C.Zhang, L.Zhang, M.Zhang, M.Zhang, S.Zhang, X.Zhang, Y.Zhang, Y.Zhang, Z.Zhao, M.Zherebchevskii, V.Zhi, Y.Zhou, D.Zhou, Y.Zhu, J.Zhu, S.Zhu, Y.Zingaretti, A.Zugravel, S. C.Zurlo, N.
DOI
10.1007/JHEP12(2025)038
발행일
2025-11-12
유형
Article
저널명
Journal of High Energy Physics
12