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Acharya, S, Adamova, D, Adler, A, Adolfsson, J, Rinella, G Aglieri, Agnello, M, Agrawal, N, Ahammed, Z, Ahmad, S, Ahn, SU et al (show 995 more authors) , Akbar, Z, Akindinov, A, Al-Turany, M, Albuquerque, DSD, Aleksandrov, D, Alessandro, B, Alfanda, HM, Alfaro Molina, R, Ali, B, Ali, Y, Alici, A, Alizadehvandchali, N, Alkin, A, Alme, J, Alt, T, Altenkamper, L, Altsybeev, I, Anaam, MN, Andrei, C, Andreou, D, Andronic, A, Angeletti, M, Anguelov, V, Anticic, T, Antinori, F, Antonioli, P, Apadula, N, Aphecetche, L, Appelshaeuser, H, Arcelli, S, Arnaldi, R, Arratia, M, Arsene, IC, Arslandok, M, Augustinus, A, Averbeck, R, Aziz, S, Azmi, MD, Badala, A, Baek, YW, Bai, X, Bailhache, R, Bala, R, Balbino, A, Baldisseri, A, Ball, M, Banerjee, D, Barbera, R, Barioglio, L, Barlou, M, Barnafoldi, GG, Barnby, LS, Barret, V, Bartels, C, Barth, K, Bartsch, E, Baruffaldi, F, Bastid, N, Basu, S, Batigne, G, Batyunya, B, Bauri, D, Bazo Alba, JL, Bearden, IG, Beattie, C, Belikov, I, Hechavarria, ADC Bell, Bellini, F, Bellwied, R, Belokurova, S, Belyaev, V, Bencedi, G, Beole, S, Bercuci, A, Berdnikov, Y, Berdnikova, A, Berenyi, D, Bergmann, L, Besoiu, MG, Betev, L, Bhaduri, PP, Bhasin, A 
ORCID: 0000-0002-3687-8179, Bhat, IR, Bhat, MA, Bhattacharjee, B, Bhattacharya, P, Bianchi, A, Bianchi, L, Bianchi, N, Bielcik, J, Bielcikova, J, Bilandzic, A, Biro, G, Biswas, S, Blair, JT, Blau, D, Blidaru, MB, Blume, C, Boca, G, Bock, F, Bogdanov, A, Boi, S, Bok, J, 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, Bruno, GE, Buckland, MD, Budnikov, D, Buesching, H, Bufalino, S, Bugnon, O, Buhler, P, Buncic, P, Buthelezi, Z, Butt, JB, Bysiak, SA, Caffarri, D, Caliva, A, Calvo Villar, E, Camacho, JMM, Camacho, RS, Camerini, P, Canedo, FDM, Capon, AA, Carnesecchi, F, Caron, R, Castellanos, J Castillo, Casula, EAR, Catalano, F, Sanchez, C Ceballos, Chakraborty, P, Chandra, S, Chang, W, Chapeland, S, Chartier, M ORCID: 0000-0003-0578-5567, Chattopadhyay, S, Chattopadhyay, S, Chauvin, A, Cheshkov, C, Cheynis, B, Barroso, V Chibante, Chinellato, DD, Cho, S, Chochula, P, Christakoglou, P, Christensen, CH, Christiansen, P, Chujo, T, Cicalo, C, Cifarelli, L, Cindolo, F, Ciupek, MR, A, G Clai, Cleymans, J, Colamaria, F, Colburn, JS, Colella, D, Collu, A, Colocci, M, Concas, M, Balbastre, G Conesa, del Valle, Z Conesa, Contin, G, Contreras, JG, Cormier, TM, Cortese, P, Cosentino, MR, Costa, F, Costanza, S, Crochet, P, Cuautle, E, Cui, P, Cunqueiro, L, Dahms, T, Dainese, A, Damas, FPA, Danisch, MC, Danu, A, Das, D, Das, I, Das, P, Das, P, Das, S, Dash, S, De, S, De Caro, A, de Cataldo, G, De Cilladi, L, de Cuveland, J, De Falco, A, De Gruttola, D, De Marco, N, De Martin, C, De Pasquale, S, Deb, S, Degenhardt, HF, Deja, KR, Delsanto, S, Deng, W, Dhankher, P, Di Bari, D, Di Mauro, A, Diaz, RA, Dietel, T, Dillenseger, P, Ding, Y, Divia, R, Dixit, DU, Djuvsland, O, Dmitrieva, U, Do, J, Dobrin, A, Doenigus, B, Dordic, O, Dubey, AK, Dubla, A, Dudi, S, Dukhishyam, M, Dupieux, P, Eder, TM, Ehlers, RJ, Eikeland, VN, Elia, D, Erazmus, B, Erhardt, F, Erokhin, A, Ersdal, MR, Espagnon, 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(2021)
Ac+ Production and Baryon-to-Meson Ratios in pp and p-Pb Collisions at √SNN=5.02 TeV at the LHC
PHYSICAL REVIEW LETTERS, 127 (20).
202301-.
ISSN 0031-9007, 1079-7114
Abstract
The prompt production of the charm baryon Λc+ and the Λc+/D0 production ratios were measured at midrapidity with the ALICE detector in pp and p-Pb collisions at sNN=5.02 TeV. These new measurements show a clear decrease of the Λc+/D0 ratio with increasing transverse momentum (pT) in both collision systems in the range 2<pT<12 GeV/c, exhibiting similarities with the light-flavor baryon-to-meson ratios p/π and Λ/KS0. At low pT, predictions that include additional color-reconnection mechanisms beyond the leading-color approximation, assume the existence of additional higher-mass charm-baryon states, or include hadronization via coalescence can describe the data, while predictions driven by charm-quark fragmentation processes measured in e+e- and e-p collisions significantly underestimate the data. The results presented in this Letter provide significant evidence that the established assumption of universality (colliding-system independence) of parton-to-hadron fragmentation is not sufficient to describe charm-baryon production in hadronic collisions at LHC energies.
| Item Type: |
Article
|
| Uncontrolled Keywords: |
ALICE Collaboration |
| Divisions: |
Faculty of Science & Engineering > School of Physical Sciences |
| Depositing User: |
Symplectic Admin
|
| Date Deposited: |
17 Dec 2021 16:43 |
| Last Modified: |
16 Jun 2026 12:01 |
| DOI: |
10.1103/PhysRevLett.127.202301 |
| Related Websites: |
|
| URI: |
https://livrepository.liverpool.ac.uk/id/eprint/3143743 |
| Disclaimer: |
The University of Liverpool is not responsible for content contained on other websites from links within repository metadata. Please contact us if you notice anything that appears incorrect or inappropriate. |
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