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Measurement of charm production at central rapidity in proton-proton collisions at sqrt(s) = 7 TeV

B. Abelev Sang Un Ahn 1 Laurent Aphecetche 2 N. Arbor 3 Y.W. Baek 4 A. Baldisseri 5 A. Baldit 4 V. Barret 4 N. Bastid 4 Guillaume Batigne 2 I. Belikov 6 H. Borel 5 B. Boyer 7 M. Bregant 2 J. Castillo Castellanos 5 J.L. Charvet 5 C. Cheshkov 8 B. Cheynis 9 J.-P. Coffin 6 G. Conesa Balbastre 3 Z. Conesa del Valle 6 P. Crochet 4 H. Delagrange 2 O. Driga 2 L. Ducroux 9 P. Dupieux 4 B. Espagnon 7 Magali Estienne 2 J. Faivre 3 C. Furget 3 Marie Germain 2 C. Geuna 5 J.-Y. Grossiord 8 R. Guernane 3 M. Guilbaud 9 C. Hadjidakis 7 B. Hippolyte 6 I. Hrivnacova 7 R. Ichou 4 S. Kox 3 C. Kuhn 6 A. Lardeux 2 Y. Le Bornec 7 F. Lefevre 2 M. Lenhardt 2 X. Lopez 4 L. Luquin 2 A. Maire 6 F. Manso 4 Y. Mao 3 M. Marchisone 4 Gines Martinez Garcia 2 A. Mas 2 L. Massacrier 9 A. Michalon 6 S. Pal 5 Philippe Pillot 2 S. Porteboeuf-Houssais 4 A. Rakotozafindrabe 5 J.S. Real 3 P. Rosnet 4 C. Roy 6 Diego Stocco 2 C. Suire 7 J.D. Tapia Takaki 7 R. Tieulent 9 A. Uras 9 L. Valencia Palomo 7 R. Vernet 10 B. Vulpescu 4 R. Wan 6 H. Yang 5 X. Zhang 4 Y. Zoccarato 9
Abstract : The pt-differential inclusive production cross sections of the prompt charmed mesons D0, D+, and D*+ in the rapidity range |y|<0.5 were measured in proton-proton collisions at sqrt(s) = 7 TeV at the LHC using the ALICE detector. Reconstructing the decays D0->K-pi+, D+->K-pi+pi+, D*+->D0pi+, and their charge conjugates, about 8,400 D0, 2,900 D+, and 2,600 D*+ mesons with 1
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B. Abelev, Sang Un Ahn, Laurent Aphecetche, N. Arbor, Y.W. Baek, et al.. Measurement of charm production at central rapidity in proton-proton collisions at sqrt(s) = 7 TeV. Journal of High Energy Physics, Springer, 2012, 01(2012°, pp.128. ⟨10.1007/JHEP01(2012)128⟩. ⟨in2p3-00639079⟩

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