First measurement of Λc<SUP>+</SUP> production down to pT=0 in pp and p-Pb collisions at √sNN=5.02 TeV

Citations

WEB OF SCIENCE

18
Citations

SCOPUS

36

초록

The production of prompt Lambda(+)(c) baryons has been measured at midrapidity in the transverse momentum interval 0 < pT < 1 GeV/c for the first time, in pp and p-Pb collisions at a center-of-mass energy per nucleon-nucleon collision root s(NN) = 5.02 TeV. The measurement was performed in the decay channel Lambda(+)(c) . pK0 S by applying new decay reconstruction techniques using a Kalman-Filter vertexing algorithm and adopting a machine-learning approach for the candidate selection. The pT -integrated Lambda(+)(c) production cross sections in both collision systems were determined and used along with the measured yields in Pb-Pb collisions to compute the pT -integrated nuclear modification factors RpPb and RAA of Lambda(+)(c) baryons, which are compared to model calculations that consider nuclear modification of the parton distribution functions. The Lambda(+)(c) /D0 baryon-to-meson yield ratio is reported for pp and p-Pb collisions. Comparisons with models that include modified hadronization processes are presented, and the implications of the results on the understanding of charm hadronization in hadronic collisions are discussed. A significant (3.7s) modification of the mean transverse momentum of Lambda(+)(c) baryons is seen in p-Pb collisions with respect to pp collisions, while the pT -integrated Lambda(+)(c) /D0 yield ratio was found to be consistent between the two collision systems within the uncertainties.

키워드

PROTON-PROTONCHARGED-PARTICLESMESON PRODUCTIONRAPIDITYHADRONSPION
제목
First measurement of Λc<SUP>+</SUP> production down to pT=0 in pp and p-Pb collisions at √sNN=5.02 TeV
저자
Acharya, S.Adamova, D.Adler, A.Adolfsson, J.Aggarwal, M. M.Rinella, G. AglieriAgnello, M.Agrawal, N.Ahammed, Z.Ahmad, S.Ahn, S. U.Akindinov, A.Al-Turany, M.Alam, S. N.Albuquerque, D. S. D.Aleksandrov, D.Alessandro, B.Alfanda, H. M.Alfaro Molina, R.Ali, B.Ali, Y.Alici, A.Alkin, A.Alme, J.Alt, T.Altenkamper, L.Altsybeev, I.Anaam, M. N.Andrei, C.Andreou, D.Andrews, H. A.Andronic, A.Angeletti, M.Anguelov, V.Anson, C.Anticic, T.Antinori, F.Antonioli, P.Anwar, R.Apadula, N.Aphecetche, L.Appelshaeuser, H.Arcelli, S.Arnaldi, R.Arratia, M.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Aziz, S.Azmi, M. D.Badala, A.Baek, Y. W.Bagnasco, S.Bai, X.Bailhache, R.Bala, R.Baldisseri, A.Ball, M.Balouza, S.Barbera, R.Barioglio, L.Barnafoldi, G. G.Barnby, L. S.Barret, V.Bartalini, P.Barth, K.Bartsch, E.Baruffaldi, F.Bastid, N.Basu, S.Batigne, G.Batyunya, B.Bauri, D.Bazo Alba, J. L.Bearden, I. G.Bedda, C.Behera, N. K.Belikov, I.Hechavarria, A. D. C. BellBellini, F.Bellwied, R.Belyaev, V.Bencedi, G.Beole, S.Bercuci, A.Berdnikov, Y.Berenyi, D.Bertens, R. A.Berzano, D.Besoiu, M. G.Betev, L.Bhasin, A.Bhat, I. R.Bhat, M. A.Bhatt, H.Bhattacharjee, B.Bianchi, A.Bianchi, L.Bianchi, N.Bielcik, J.Bielcikova, J.Bilandzic, A.Biro, G.Biswas, R.Biswas, S.Blair, J. T.Blau, D.Blume, C.Boca, G.Bock, F.Bogdanov, A.Boi, S.Boldizsar, L.Bolozdynya, A.Bombara, M.Bonomi, G.Borel, H.Borissov, A.Bossi, H.Botta, E.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Brucken, J.Bruna, E.Bruno, G. E.Buckland, M. D.Budnikov, D.Buesching, H.Bufalino, S.Bugnon, O.Buhler, P.Buncic, P.Buthelezi, Z.Butt, J. B.Buxton, J. T.Bysiak, S. A.Caffarri, D.Caliva, A.Calvo Villar, E.Camacho, R. S.Camerini, P.Capon, A. A.Carnesecchi, F.Caron, R.Castellanos, J. CastilloCastro, A. J.Casula, E. A. R.Catalano, F.Sanchez, C. CeballosChakraborty, P.Chandra, S.Chang, W.Chapeland, S.Chartier, M.Chattopadhyay, S.Chattopadhyay, S.Chauvin, A.Cheshkov, C.Cheynis, B.Barroso, V. ChibanteChinellato, D. D.Cho, S.Chochula, P.Chowdhury, T.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Cicalo, C.Cifarelli, L.Cindolo, F.Cleymans, J.Colamaria, F.Colella, D.Collu, A.Colocci, M.Concas, M.Balbastre, G. Conesadel Valle, Z. ConesaContin, G.Contreras, J. G.Cormier, T. M.Morales, Y. CorralesCortese, P.Cosentino, M. R.Costa, F.Costanza, S.Crochet, P.Cuautle, E.Cui, P.Cunqueiro, L.Dabrowski, D.Dahms, T.Dainese, A.Damas, F. P. A.Danisch, M. C.Danu, A.Das, D.Das, I.Das, P.Das, P.Das, S.Dash, A.Dash, S.De, S.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Pasquale, S.Deb, S.Debjani, B.Degenhardt, H. F.Deja, K. R.Deloff, A.Delsanto, S.Devetak, D.Dhankher, P.Di Bari, D.Di Mauro, A.Diaz, R. A.Dietel, T.Dillenseger, P.Ding, Y.Divia, R.Dixit, D. U.Djuvsland, O.Dmitrieva, U.Dobrin, A.Doenigus, B.Dordic, O.Dubey, A. K.Dubla, A.Dudi, S.Dukhishyam, M.Dupieux, P.Ehlers, R. J.Eikeland, V. N.Elia, D.Engel, H.Epple, E.Erazmus, B.Erhardt, F.Erokhin, A.Ersdal, M. R.Espagnon, B.Eulisse, G.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fantoni, A.Fasel, M.Fecchio, P.Feliciello, A.Feofilov, G.Tellez, A. FernandezFerrero, A.Ferretti, A.Festanti, A.Feuillard, V. J. G.Figiel, J.Filchagin, S.Finogeev, D.Fionda, F. M.Fiorenza, G.Flor, F.Foertsch, S.Foka, P.Fokin, S.Fragiacomo, E.Frankenfeld, U.Fuchs, U.Furget, C.Furs, A.Girard, M. FuscoGaardhoje, J. J.Gagliardi, M.Gago, A. M.Gal, A.Galvan, C. D.Ganoti, P.Garabatos, C.Garcia-Solis, E.Garg, K.Gargiulo, C.Garibli, A.Garner, K.Gasik, P.Gauger, E. F.Gay Ducati, M. B.Germain, M.Ghosh, J.Ghosh, P.Ghosh, S. K.Gianotti, P.Giubellino, P.Giubilato, P.Glaessel, P.Gomez Coral, D. M.Ramirez, A. GomezGonzalez, V.Gonzalez-Zamora, P.Gorbunov, S.Gorlich, L.Gotovac, S.Grabski, V.Graczykowski, L. K.Graham, K. L.Greiner, L.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, A.Grigoryan, S.Groettvik, O. S.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Guernane, R.Guittiere, M.Gulbrandsen, K.Gunji, T.Gupta, A.Gupta, R.Guzman, I. B.Haake, R.Habib, M. K.Hadjidakis, C.Hamagaki, H.Hamar, G.Hamid, M.Hannigan, R.Haque, M. R.Harlenderova, A.Harris, J. W.Harton, A.Hasenbichler, J. A.Hassan, H.Hatzifotiadou, D.Hauer, P.Hayashi, S.Heckel, S. T.Hellbaer, E.Helstrup, H.Herghelegiu, A.Herman, T.Hernandez, E. G.Herrera Corral, G.Herrmann, F.Hetland, K. F.Hilden, T. E.Hillemanns, H.Hills, C.Hippolyte, B.Hohlweger, B.Horak, D.Hornung, A.Hornung, S.Hosokawa, R.Hristov, P.Huang, C.Hughes, C.Huhn, P.Humanic, T. J.Hushnud, H.Husova, L. A.Hussain, N.Hussain, S. A.Hutter, D.Iddon, J. P.Ilkaev, R.Inaba, M.Innocenti, G. M.Ippolitov, M.Isakov, A.Islam, M. S.Ivanov, M.Ivanov, V.Izucheev, V.Jacak, B.Jacazio, N.Jacobs, P. M.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M. J.Janik, M. A.Janson, T.Jercic, M.Jevons, O.Jin, M.Jonas, F.Jones, P. G.Jung, J.Jung, M.Jusko, A.Kalinak, P.Kalweit, A.Kaplin, V.Kar, S.Uysal, A. KarasuKaravichev, O.Karavicheva, T.Karczmarczyk, P.Karpechev, E.Kazantsev, A.Kebschull, U.Keidel, R.Keil, M.Ketzer, B.Khabanova, Z.Khan, A. M.Khan, S.Khan, S. A.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Kileng, B.Kim, B.Kim, B.Kim, D.Kim, D. J.Kim, E. J.Kim, H.Kim, J.Kim, J. S.Kim, J.Kim, J.Kim, J.Kim, M.Kim, S.Kim, T.Kim, T.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, C.Klein, J.Klein, S.Klein-Boesing, C.Kleiner, M.Kluge, A.Knichel, M. L.Knospe, A. G.Kobdaj, C.Koehler, M. K.Kollegger, T.Kondratyev, A.Kondratyeva, N.Kondratyuk, E.Konig, J.Konopka, P. J.Koska, L.Kovalenko, O.Kovalenko, V.Kowalski, M.Kralik, I.Kravcakova, A.Kreis, L.Krivda, M.Krizek, F.Gajdosova, K. KrizkovaKrueger, M.Kryshen, E.Krzewicki, M.Kubera, A. M.Kucera, V.Kuhn, C.Kuijer, P. G.Kumar, L.Kumar, S.Kundu, S.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kvapil, J.Kweon, M. J.Kwon, J. Y.Kwon, Y.La Pointe, S. L.La Rocca, P.Lai, Y. S.Langoy, R.Lapidus, K.Lardeux, A.Larionov, P.Laudi, E.Lavicka, R.Lazareva, T.Lea, R.Leardini, L.Lee, J.Lee, S.Lehas, F.Lehner, S.Lehrbach, J.Lemmon, R. C.Leon Monzon, I.Lesser, E. D.Lettrich, M.Levai, P.Li, X.Li, X. L.Lien, J.Lietava, R.Lim, B.Lindenstruth, V.Lindsay, S. W.Lippmann, C.Lisa, M. A.Litichevskyi, V.Liu, A.Liu, S.Llope, W. J.Lofnes, I. M.Loginov, V.Loizides, C.Loncar, P.Lopez, X.Torres, E. LopezLuhder, R.Lunardon, M.Luparello, G.Ma, Y.Maevskaya, A.Mager, M.Mahmood, S. M.Mahmoud, T.Maire, A.Majka, R. D.Malaev, M.Malik, Q. W.Malinina, L.Mal'Kevich, D.Malzacher, P.Mandaglio, G.Manko, V.Manso, F.Manzari, V.Mao, Y.Marchisone, M.Mares, J.Margagliotti, G. V.Margotti, A.Margutti, J.Marin, A.Markert, C.Marquard, M.Martin, N. A.Martinengo, P.Martinez, J. L.Martinez, M. I.Garcia, G. MartinezPedreira, M. MartinezMasciocchi, S.Masera, M.Masoni, A.Massacrier, L.Masson, E.Mastroserio, A.Mathis, A. M.Matonoha, O.Matuoka, P. F. T.Matyja, A.Mayer, C.Mazzilli, M.Mazzoni, M. A.Mechler, A. F.Meddi, F.Melikyan, Y.Menchaca-Rocha, A.Mengke, C.Meninno, E.Meres, M.Mhlanga, S.Miake, Y.Micheletti, L.Mihaylov, D. L.Mikhaylov, K.Mischke, A.Mishra, A. N.Miskowiec, D.Modak, A.Mohammadi, N.Mohanty, A. P.Mohanty, B.Khan, M. MohisinMordasini, C.De Godoy, D. A. MoreiraMoreno, L. A. P.Morozov, I.Morsch, A.Mrnjavac, T.Muccifora, V.Mudnic, E.Muehlheim, D.Muhuri, S.Mulligan, J. D.Munhoz, M. G.Munzer, R. H.Murakami, H.Murray, S.Musa, L.Musinsky, J.Myers, C. J.Myrcha, J. W.Naik, B.Nair, R.Nandi, B. K.Nania, R.Nappi, E.Naru, M. U.Nassirpour, A. F.Nattrass, C.Nayak, R.Nayak, T. K.Nazarenko, S.Neagu, A.De Oliveira, R. A. NegraoNellen, L.Nesbo, S. V.Neskovic, G.Nesterov, D.Neumann, L. T.Nielsen, B. S.Nikolaev, S.Nikulin, S.Nikulin, V.Noferini, F.Nomokonov, P.Norman, J.Novitzky, N.Nowakowski, P.Nyanin, A.Nystrand, J.Ogino, M.Ohlson, A.Oleniacz, J.Oliveira Da Silva, A. C.Oliver, M. H.Oppedisano, C.Orava, R.Ortiz Velasquez, A.Oskarsson, A.Otwinowski, J.Oyama, K.Pachmayer, Y.Pacik, V.Pagano, D.Paic, G.Pan, J.Pandey, A. K.Panebianco, S.Pareek, P.Park, J.Parkkila, J. E.Parmar, S.Pathak, S. P.Patra, R. N.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pereira, L. G.Da Costa, H. PereiraPeresunko, D.Perez, G. M.Lezama, E. PerezPeskov, V.Pestov, Y.Petracek, V.Petrovici, M.Pezzi, R. P.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pinto, C.Pisano, S.Pistone, D.Ploskon, M.Planinic, M.Pliquett, F.Pluta, J.Pochybova, S.Poghosyan, M. G.Polichtchouk, B.Poljak, N.Pop, A.Poppenborg, H.Porteboeuf-Houssais, S.Pozdniakov, V.Prasad, S. K.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Putschke, J.Quishpe, R. E.Ragoni, S.Raha, S.Rajput, S.Rak, J.Rakotozafindrabe, A.Ramello, L.Rami, F.Raniwala, R.Raniwala, S.Rasanen, S. S.Rath, R.Ratza, V.Ravasenga, I.Read, K. F.Redlich, K.Rehman, A.Reichelt, P.Reidt, F.Ren, X.Renfordt, R.Rescakova, Z.Revol, J. -P.Reygers, K.Riabov, V.Richert, T.Richter, M.Riedler, P.Riegler, W.Riggi, F.Ristea, C.Rode, S. P.Rodriguez Cahuantzi, M.Roed, K.Rogalev, R.Rogochaya, E.Rohr, D.Rohrich, D.Rokita, P. S.Ronchetti, F.Rosas, E. D.Roslon, K.Rossi, A.Rotondi, A.Roy, A.Roy, P.Rueda, O. V.Rui, R.Rumyantsev, B.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Rytkonen, H.Saarimaki, O. A. M.Sadhu, S.Sadovsky, S.Safarik, K.Saha, S. K.Sahoo, B.Sahoo, P.Sahoo, R.Sahoo, S.Sahu, P. K.Saini, J.Sakai, S.Sambyal, S.Samsonov, V.Sarkar, D.Sarkar, N.Sarma, P.Sarti, V. M.Sas, M. H. P.Scapparone, E.Schaefer, B.Schambach, J.Scheid, H. S.Schiaua, C.Schicker, R.Schmah, A.Schmidt, C.Schmidt, H. R.Schmidt, M. O.Schmidt, M.Schmidt, N. V.Schmier, A. R.Schukraft, J.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Sefcik, M.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selyuzhenkov, I.Senyukov, S.Serebryakov, D.Serradilla, E.Sevcenco, A.Shabanov, A.Shabetai, A.Shahoyan, R.Shaikh, W.Shangaraev, A.Sharma, A.Sharma, A.Sharma, H.Sharma, M.Sharma, N.Sheikh, A. I.Shigaki, K.Shimomura, M.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silvermyr, D.Simatovic, G.Simonetti, G.Singh, R.Singh, R.Singh, R.Singh, V. K.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Slupecki, M.Smirnov, N.Snellings, R. J. M.Snellman, T. W.Soncco, C.Song, J.Songmoolnak, A.Soramel, F.Sorensen, S.Sputowska, I.Stachel, J.Stan, I.Stankus, P.Steffanic, P. J.Stenlund, E.Stocco, D.Storetvedt, M. M.Stritto, L. D.Suaide, A. A. P.Sugitate, T.Suire, C.Suleymanov, M.Suljic, M.Sultanov, R.Sumbera, M.Sumowidagdo, S.Swain, S.Szabo, A.Szarka, I.Tabassam, U.Taillepied, G.Takahashi, J.Tambave, G. J.Tang, S.Tarhini, M.Tarzila, M. G.Tauro, A.Tejeda Munoz, G.Telesca, A.Terrevoli, C.Thakur, D.Thakur, S.Thomas, D.Thoresen, F.Tieulent, R.Tikhonov, A.Timmins, A. R.Toia, A.Topilskaya, N.Toppi, M.Torales-Acosta, F.Torres, S. R.Trifiro, A.Tripathy, S.Tripathy, T.Trogolo, S.Trombetta, G.Tropp, L.Trubnikov, V.Trzaska, W. H.Trzcinski, T. P.Trzeciak, B. A.Tsuji, T.Tumkin, A.Turrisi, R.Tveter, T. S.Ullaland, K.Umaka, E. N.Uras, A.Usai, G. L.Utrobicic, A.Vala, M.Valle, N.Vallero, S.van der Kolk, N.van Doremalen, L. V. R.van Leeuwen, M.Vyvre, P. VandeVarga, D.Varga, Z.Varga-Kofarago, M.Vargas, A.Vasileiou, M.Vasiliev, A.Doce, O. VazquezVechernin, V.Veen, A. M.Vercellin, E.Vergara Limon, S.Vermunt, L.Vernet, R.Vertesi, R.Vickovic, L.Vilakazi, Z.Baillie, O. VillalobosVillatoro Tello, A.Vino, G.Vinogradov, A.Virgili, T.Vislavicius, V.Vodopyanov, A.Volkel, B.Voelkl, M. A.Voloshin, K.Voloshin, S. A.Volpe, G.von Haller, B.Vorobyev, I.Voscek, D.Vrlakova, J.Wagner, B.Weber, M.Weber, S. G.Wegrzynek, A.Weiser, D. F.Wenzel, S. C.Wessels, J. P.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G. A.Willsher, E.Windelband, B.Winn, M.Witt, W. E.Wu, Y.Xu, R.Yalcin, S.Yamakawa, K.Yang, S.Yano, S.Yin, Z.Yokoyama, H.Yoo, I. -K.Yoon, J. H.Yuan, S.Yuncu, A.Yurchenko, V.Zaccolo, V.Zaman, A.Zampolli, C.Zanoli, H. J. C.Zardoshti, N.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zbroszczyk, H.Zhalov, M.Zhang, S.Zhang, X.Zhang, Z.Zherebchevskii, V.Zhou, D.Zhou, Y.Zhou, Z.Zhu, J.Zhu, Y.Zichichi, A.Zimmermann, M. B.Zinovjev, G.Zurlo, N.
DOI
10.1103/PhysRevC.107.064901
발행일
2023-06
유형
Article
저널명
Physical Review c
107
6