@article{3034004, title = "( )Measurement of Prompt D-0, Lambda(+)(c), and Sigma(0,++)(c) (2455) Production in Proton-Proton Collisions at root s=13 TeV", author = "Acharya, S. and Adamova, D. and Adler, A. and Adolfsson, J. and Rinella, and G. Aglieri and Agnello, M. and Agrawal, N. and Ahammed, Z. and Ahmad, S. and and Ahn, S. U. and Ahuja, I and Akbar, Z. and Akindinov, A. and and Al-Turany, M. and Alam, S. N. and Aleksandrov, D. and Alessandro, B. and and Alfanda, H. M. and Alfaro Molina, R. and Ali, B. and Ali, Y. and Alici, and A. and Alizadehvandchali, N. and Alkin, A. and Alme, J. and Alt, T. and and Altenkamper, L. and Altsybeev, I and Anaam, M. N. and Andrei, C. and and Andreou, D. and Andronic, A. and Angeletti, M. and Anguelov, V and and Antinori, F. and Antonioli, P. and Anuj, C. and Apadula, N. and and Aphecetche, L. and Appelshaeuser, H. and Arcelli, S. and Arnaldi, R. and and Arsene, I. C. and Arslandok, M. and Augustinus, A. and Averbeck, R. and and Aziz, S. and Azmi, M. D. and Badala, A. and Baek, Y. W. and Bai, X. and and Bailhache, R. and Bailung, Y. and Bala, R. and Balbino, A. and and Baldisseri, A. and Balis, B. and Ball, M. and Banerjee, D. and Barbera, and R. and Barioglio, L. and Barlou, M. and Barnafoldi, G. G. and Barnby, L. and S. and Barret, V and Bartels, C. and Barth, K. and Bartsch, E. and and Baruffaldi, F. and Bastid, N. and Basu, S. and Batigne, G. and Batyunya, and B. and Bauri, D. and Alba, J. L. Bazo and Bearden, I. G. and Beattie, C. and and Belikov, I and Hechavarria, A. D. C. Bell and Bellini, F. and and Bellwied, R. and Belokurova, S. and Belyaev, V and Bencedi, G. and and Beole, S. and Bercuci, A. and Berdnikov, Y. and Berdnikova, A. and and Bergmann, L. and Besoiu, M. G. and Betev, L. and Bhaduri, P. P. and and Bhasin, A. and Bhat, M. 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A. and and Volpe, G. and von Haller, B. and Vorobyev, I and Voscek, D. and and Vozniuk, N. and Vrlakova, J. and Wagner, B. and Wang, C. and Wang, D. and and Weber, M. and Weelden, V, R. J. G. and Wegrzynek, A. and Wenzel, S. and C. and Wessels, J. P. and Wiechula, J. and Wikne, J. and Wilk, G. and and Wilkinson, J. and Willems, G. A. and Windelband, B. and Winn, M. and and Witt, W. E. and Wright, J. R. and Wu, W. and Wu, Y. and Xu, R. and and Yalcin, S. and Yamaguchi, Y. and Yamakawa, K. and Yang, S. and Yano, S. and and Yin, Z. and Yokoyama, H. and Yoo, I-K and Yoon, J. H. and Yuan, S. and and Yuncu, A. and Zaccolo, V and Zaman, A. and Zampolli, C. and Zanoli, and H. J. C. and Zardoshti, N. and Zarochentsev, A. and Zavada, P. and and Zaviyalov, N. and Zbroszczyk, H. and Zhalov, M. and Zhang, S. and Zhang, and X. and Zhang, Y. and Zherebchevskii, V and Zhi, Y. and Zhigareva, N. and and Zhou, D. and Zhou, Y. and Zhu, J. and Zhu, Y. and Zichichi, A. and and Zinovjev, G. and Zurlo, N. and ALICE Collaboration", journal = "Physical Review and Physical Review Letters Index", year = "2022", volume = "128", number = "1", publisher = "AMER PHYSICAL SOC", issn = "0094-0003", doi = "10.1103/PhysRevLett.128.012001", abstract = "The p(T)-differential production cross sections of prompt D-0, Lambda(c)+, and Sigma(0,++)(c) (2455) charmed hadrons are measured at midrapidity (vertical bar y vertical bar < 0.5) in pp collisions at root s. = 13 TeV. This is the first measurement of Sigma(0,++)(c) production in hadronic collisions. Assuming the same production yield for the three Sigma(0,++)(c) isospin states, the baryon-to-meson cross section ratios Sigma(0,+,++)(c)/D-0 and Lambda(+)(c)/D-0 are calculated in the transverse momentum (p(T)) intervals 2 < p(T) < 12 and 1 < p(T) < 24 GeV/c. Values significantly larger than in e(+)e(-) collisions are observed, indicating for the first time that baryon enhancement in hadronic collisions also extends to the Sigma(c). The feed-down contribution to Lambda(+)(c) production from Sigma(0,+,++)(c) is also reported and is found to be larger than in e(+)e(-) collisions. The data are compared with predictions from event generators and other phenomenological models, providing a sensitive test of the different charm-hadronization mechanisms implemented in the models." }