Charm production and fragmentation fractions at midrapidity in pp collisions at s\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ \\sqrt{\ extrm{s}} $$\\end{document} = 13 TeV

The Alice Collaboration ,I Selyuzhenkov,C Cheshkov,P K Sahu,A Vodopyanov,A Kotliarov,A Telesca,F Bellini,G Clai,T Mrnjavac,M J Kabus,C A Reetz,J Hansen,J G M C A Arneiro,A Baldisseri,V Grigoriev,A Bylinkin,S Fokin,C D Galvan,L Ramello,T Bodova,J Norman,J Ditzel,S Kushpil,P Martinengo,A Shatat,M Szymkowski,I.-K Yoo,F Pliquett,N Burmasov,N Kondratyeva,Y Ding,R Ricci,A G Riffero,X Zhang,G Aglieri Rinella,E Ryabinkin,M Bombara,G G Barnaföldi,D Silvermyr,P Giubellino,A Trifiró,S Das,F Costa,C P Stylianidis,E Karpechev,A Rybicki,V Grabski,A G Knospe,B Espagnon,M Barlou,R Sultanov,N Bastid,P Lévai,K Goswami,C Wang,E López Torres,A Karasu Uysal,M A Janik,T S Tveter,A Ghimouz,S Rojas Torres,K Roslon,G Malfattore,Y Kharlov,C Andrei,L Bratrud,M R Haque,A Balbino,G A Willems,E G Nielsen,U Sharma,V Kovalenko,M G Munhoz,B Sitar,V Muccifora,M Lunardon,S Herrmann,J E Mdhluli,J P Kitowski,J Jung,M Ogino,T Isidori,R Langoy,G E Bruno,T S Rogoschinski,M J Jakubowska,R Shahoyan,S Nikulin,S A Bysiak,V Filova,S K Malik,N Zaviyalov,Y Sekiguchi,A Uras,Y E M Bouziani,R M H David,C Kobdaj,M Shimomura,L Pinsky,R Del Grande,V Sumberia,O Villalobos Baillie,L Barioglio,M Krüger,F Cindolo,J De Cuveland,F D M Canedo,C Suire,N Mallick,R Schotter,N Jacazio,A Dainese,A Bhasin,D M Jones,P Das,B Polichtchouk,A Zarochentsev,E D Rosas,T A Rancien,Z Vilakazi,E Bartsch,S Porteboeuf-Houssais,A Horzyk,L Vermunt,C Beattie,Y G Ma,R Russo,R Vértesi,D Zhou,P Cui,P Vande Vyvre,A Shangaraev,K Shigaki,D H Liu,E Scomparin,N Apadula,A Shabetai,P Kalinak,E Laudi,D Rohr,C Ghosh,V Pozdniakov,M A Bhat,S K Saha,A Badalà,J L Bazo Alba,M Aresti,T Karavicheva,R Cruz-Torres,D M Krupova,A T Garcia,G Gioachin,A Hutson,F Ronchetti,M Lamanna,A R Schmier,A Bogdanov,F Rami,F Manso,S Sadhu,C De Martin,P Becht,M G Besoiu,T Klemenz,T Siemiarczuk,B Balis,T Cheng,A P Bigot,L A D Carvalho,D Banerjee,S Singh,J E M Mendez,I M Lofnes,I Y Pozos,S Politano,J Alme,Y Yamaguchi,S Sawan,N Bize,L Aphecetche,P Nowakowski,D Thomas,V Nikulin,M Vasileiou,Z Buthelezi,S Noh,P Karczmarczyk,F Flor,A Augustinus,W Deng,B Dönigus,Y Melikyan,G Volpe,B Jacak,A Modak,S Pucillo,L V R Van Doremalen,F Reidt,D Budnikov,C Arata,K E Iversen,P Antonioli,B Volkel,R Preghenella,I Fokin,C Zampolli,P Dupieux,A Pop,S Swain,M Broz,A N Flores,A Sharma,F Zanone,L K Graczykowski,S Tripathy,M O Schmidt,D J Q Goh,K Ullaland,R Grosso,A Maire,A Ferrero,C Zhang,B Hofman,N Dzalaiova,Y Ryabov,G G Guardiano,J M Dubinski,M Pennisi,P J Konopka,R J G Van Weelden,S Chapeland,A A P Suaide,R Tokumoto,R Sahoo,J Vrláková,T Alt,A M Khan,S Biswas,P Buhler,J Wiechula,N Agrawal,O Massen,R Lavicka,E Hellbär,H Buesching,N A Grunwald,Q Shou,S Strazzi,S Foertsch,R Xu,V Gonzalez,H Pei,B K Nandi,E J Kim,D Colella,B Lim,A Tikhonov,G Herrera Corral,V Vechernin,C Grigoras,M Vala,A Kurepin,G Eulisse,D Serebryakov,S Padhan,P G Kuijer,T Fusayasu,H R Schmidt,B Sahoo,L B Havener,J Schambach,X Bai,H Caines,M Verweij,A Toia,C H Christensen,N Valle,Z Rescakova,A De Caro,Y Sibiriak,M Oya,S Muhuri,D Sahu,M Sukhanov,A Bilandzic,S Siddhanta,S Masciocchi,T B Saramela,R Hannigan,B G Hanley,E Calvo Villar,K Tomohiro,S Khan,V Riabov,M P P Martins,E Grecka,S Murray,M R Cosentino,N Vozniuk,A Di Mauro,A Rosano,L Gyulai,I Ravasenga,D Choudhury,D Samitz,S S Räsänen,M Meres,M Inaba,G Boca,O Vázquez Doce,G Paić,J Takahashi,J Zhu,A Menchaca-Rocha,S Ahmad,C Cicalo,J Saetre,B Bhattacharjee,P Pillot,I C Arsene,E Fragiacomo,K Sajdakova,Y Zhang,R Ilkaev,D Hatzifotiadou,G Wilk,S De Pasquale,T Kollegger,R W Marcjan,S Kim,I Morozov,M Ciacco,E H Solheim,A Tumkin,S Zhang,D Ruggiano,E Frajna,M Faggin,P Giubilato,M C Danisch,J Castillo Castellanos,D U Dixit,A Yuncu,F Prino,A G Torres Ramos,J Kim,B Ali,M Arslandok,A Danu,V Zherebchevskii,M Sitta,P Saha,N Bluhme,T Gündem,R Rui,C Lippmann,S Jia,P F Rojas,A R Timmins,P Gasik,V Zaccolo,A Rai,F Bock,A Jusko,J D Tapia Takaki,S Cho,M Zhalov,J S Kim,J E Parkkila,P Camerini,V Kaplin,J Bielčíková,P G Russek,S Chattopadhyay,V Anguelov,S Lokos,J Song,S H 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Peitzmann,S A Konigstorfer,E Nappi,L Boldizsár,K Kimura,H A Reme-Ness,C Bartels,P Fecchio,M Jablonski,T M Eder,G Feofilov,F Krizek,V Trubnikov,A F Nassirpour,G Scioli,S Ji,T Simantathammakul,M J Kweon,D R Gangadharan,J Wilkinson,R Alfaro Molina,S Costanza,J S Colburn,O A M Saarimaki,C Schmidt,M Suljic,A Rossi,F Carnesecchi,K Krizkova Gajdosova,A Kluge,I Likmeta,H M Alfanda,J Stachel,A K Yadav,S Jaelani,D Di Bari,J Biernat,M Kroesen,M Puccio,R Bellwied,F U Haider,Ø Djuvsland,J W Harris,F Grosa,P Lu,M Hemmer,L Kumar,M Pikna,J W Myrcha,G Neskovic,G Batigne,Z Zhang,D Wang,V Kučera,N Novitzky,M P Salvan,V Kozhuharov,V J G Feuillard,M N Anaam,J Staa,A S Kalteyer,S Trogolo,T F Silva,H Bossi,U Dmitrieva,J Bok,A N Mishra,G M Perez,D Blau,R Lea,A Junique,F Herrmann,A Lakrathok,Y A V Beltran,C Hadjidakis,A Alkin,S Saha,M Selina,B Naik,A De Falco,S Bufalino,C Nattrass,S Monira,A Feliciello,T M Lelek,F M Fionda,S Yuan,S Sharma,B Erazmus,T J Shaba,M L Coquet,S K Mandal,V Lindenstruth,P Sarma,T Kim,C Loizides,G J Tambave,I Sanna,M Giacalone,A Berdnikova,M Malaev,R Barbera,Z Yin,Y Hou,D D Chinellato,A Dubla,M B Blidaru,L Krcal,N Zardoshti,S Kumar,C Furget,X Peng,S Nese,G Tejeda Muñoz,I Ahuja,G Alocco,P Glässel,R Lietava,P Kurashvili,S Sadovsky,G Bencedi,A Marín,K Gulbrandsen,A Akindinov,S Grigoryan,I Szarka,E Vercellin,G S S Liveraro,Y Kwon,A Schmah,A Tauro,V Singhal,P Christakoglou,D Hutter,G Mandaglio,M N Naydenov,L Zhang,D Miśkowiec,P P Bhaduri,S Vergara Limón,S Dudi,U Kebschull,O Matonoha,B Cheynis,B Heybeck,I Storehaug,J H Yoon,M Płoskoń,M Fasel,B Batyunya,Z Tang,S Nikolaev,T Sinha,E Garcia-Solis,M V Makariev,J Ryu,D Evans,S Senyukov,L Quaglia,L Nellen,M B Ferrer,M Germain,H Murakami,T Kumaoka,A Alici,R C Lemmon,A R Altamura,M Planinic,H Park,C Kim,L Bergmann,R H Munzer,N De Marco,R J Ehlers,J R A Garcia,A Caliva,E D Lesser,Y Mao,Y Miake,I Pshenichnov,U Fuchs,C Terrevoli,S Boi,R Nepeivoda,C A Van Veen,S Mhlanga,O Vazquez Rueda,A B Soto-Hernandez,C Mordasini,Z Pugelova,D Stocco,R P Pezzi,L Šerkšnytė,A G Borquez Carcamo,N Andreou,R Bala,T Janson,E Rogochaya,A Wegrzynek,A Gautam,M Rodríguez Cahuantzi,M Agnello,V A Okorokov,C Reckziegel,E Meninno,D J Kim,M Winn,W Fan,M Jung,M Toppi,I Králik,S Roy,I G Bearden,D Adamová,K Mikhaylov,Q W Malik,A Gupta,A Rakotozafindrabe,H Hillemanns,T B Skaali,E Kondratyuk,L Betev,A M Gago,M Tkacik,D Battistini,I Vorobyev,F Soramel,R Caron,M Mohisin Khan,S Kirsch,R Rogalev,W H Trzaska,N Nicassio,M Slupecki,E S Chizzali,S C Wenzel,S Oh,S Panebianco,P M Jacobs,A Margotti,S Gotovac,W Guo,B Barman,P Závada,N M Malik,H Baba,O Pinazza,J Crkovská,S F Taghavi,S Evdokimov,S Yano,J J Seo,A A P Jimenez,S Haidlova,F Jonas,A Palasciano,A Riabov,F Noferini,Y Patley,P La Rocca,N Tapus,M Cai,H S Scheid,J G Contreras,V Petrov,M Sharma,H Rytkonen,G De Cataldo,Y Pachmayer,B Ulukutlu,A Ferretti,R A Diaz,R Turrisi,Y Wang,L Micheletti,J Bielčík,F Fan,J Lomker,A Hamdi,J T Blair,T P Trzcinski,Y Zhu,T Gunji,P J Steffanic,L Malinina,J Liu,A Morsch,S 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doi:10.1007/jhep12(2023)086

Abstract

Measurements of the production cross sections of prompt D0, D+, D*+, Ds+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\ extrm{D}}_{\ extrm{s}}^{+} $$\\end{document}, Λc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Lambda}_{\ extrm{c}}^{+} $$\\end{document}, and Ξc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Xi}_{\ extrm{c}}^{+} $$\\end{document} charm hadrons at midrapidity in proton-proton collisions at s\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ \\sqrt{s} $$\\end{document} = 13 TeV with the ALICE detector are presented. The D-meson cross sections as a function of transverse momentum (pT) are provided with improved precision and granularity. The ratios of pT-differential meson production cross sections based on this publication and on measurements at different rapidity and collision energy provide a constraint on gluon parton distribution functions at low values of Bjorken-x (10−5–10−4). The measurements of Λc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Lambda}_{\ extrm{c}}^{+} $$\\end{document} (Ξc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Xi}_{\ extrm{c}}^{+} $$\\end{document}) baryon production extend the measured pT intervals down to pT = 0(3) GeV/c. These measurements are used to determine the charm-quark fragmentation fractions and the cc¯\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ \ extrm{c}\\overline{\ extrm{c}} $$\\end{document} production cross section at midrapidity (|y| < 0.5) based on the sum of the cross sections of the weakly-decaying ground-state charm hadrons D0, D+, Ds+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\ extrm{D}}_{\ extrm{s}}^{+} $$\\end{document}, Λc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Lambda}_{\ extrm{c}}^{+} $$\\end{document}, Ξc0\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Xi}_{\ extrm{c}}^0 $$\\end{document} and, for the first time, Ξc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Xi}_{\ extrm{c}}^{+} $$\\end{document}, and of the strongly-decaying J/ψ mesons. The first measurements of Ξc+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Xi}_{\ extrm{c}}^{+} $$\\end{document} and Σc0,++\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ {\\Sigma}_{\ extrm{c}}^{0,++} $$\\end{document} fragmentation fractions at midrapidity are also reported. A significantly larger fraction of charm quarks hadronising to baryons is found compared to e+e− and ep collisions. The cc¯\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$ \ extrm{c}\\overline{\ extrm{c}} $$\\end{document} production cross section at midrapidity is found to be at the upper bound of state-of-the-art perturbative QCD calculations.

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