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  • Measurements of prompt char...
    Ali, S.; Appleby, R. B.; Aquines Gutierrez, O.; Baalouch, M.; Bachmann, S.; Back, J. J.; Batozskaya, V.; Belyaev, I.; Bencivenni, G.; Benton, J.; Bertolin, A.; Bifani, S.; Billoir, P.; Bocci, V.; Braun, S.; Bursche, A.; Carboni, G.; Chen, S.; De Aguiar Francisco, O.; De Bruyn, K.; Dean, C.-T.; Di Canto, A.; Dordei, F.; Dossett, D.; Egede, U.; El Rifai, I.; Fontanelli, F.; Gallorini, S.; Garrido, L.; Gauld, R.; Gavardi, L.; Gerick, D.; Gershon, T.; Gligorov, V. V.; Gomes, A.; Gotti, C.; Graverini, E.; Greening, E.; Gushchin, E.; Hamilton, B.; Harnew, N.; He, J.; Heß, M.; Hicheur, A.; Humair, T.; Hynds, D.; Kanso, W.; Koopman, R. F.; Kudryavtsev, V.; van Leerdam, J.; Leroy, O.; Luo, H.; Maev, O.; Maguire, K.; Manca, G.; Marconi, U.; Martinelli, M.; Martins Tostes, D.; Milanes, D. A.; Mitzel, D. S.; Morello, M. J.; Muheim, F.; Nandi, A.; Needham, M.; Nguyen, T. D.; Niet, R.; O’Hanlon, D. P.; Owen, P.; Parkes, C.; Patel, M.; Perazzini, S.; Pinci, D.; Poluektov, A.; Polyakov, I.; Popov, D.; Potterat, C.; Price, J. D.; Punzi, G.; Rachwal, B.; Satta, A.; Schubiger, M.; Shcheglov, Y.; Shevchenko, V.; Silva Coutinho, R.; Silva de Oliveira, L.; Soomro, F.; Spradlin, P.; Steinkamp, O.; Tellarini, G.; Teubert, F.; Tonelli, D.; Torr, N.; Trabelsi, K.; Vacca, C.; Walsh, J.; Ward, D. R.; Watson, N. K.; Wislicki, W.; Witek, M.; Yushchenko, O.

    The journal of high energy physics, 22/3, Letnik: 2016, Številka: 3
    Journal Article

    A bstract Production cross-sections of prompt charm mesons are measured with the first data from pp collisions at the LHC at a centre-of-mass energy of 13 TeV. The data sample corresponds to an integrated luminosity of 4.98 ± 0.19 pb −1 collected by the LHCb experiment. The production cross-sections of D 0 , D + , D s + , and D *+ mesons are measured in bins of charm meson transverse momentum, p T , and rapidity, y , and cover the range 0 < p T < 15GeV/c and 2.0 < y < 4.5. The inclusive cross-sections for the four mesons, including charge conjugation, within the range of 1 < p T < 8 GeV/c are found to be σ pp → D 0 X = 2460 ± 3 ± 130 μ b σ pp → D + X = 1000 ± 3 ± 110 μ b σ pp → D s + X = 460 ± 13 ± 100 μ b σ pp → D ∗ + X = 880 ± 5 ± 140 μ b where the uncertainties are due to statistical and systematic uncertainties, respectively.