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Measurement of charm production at central rapidity in proton-proton collisions at √s = 7 TeV

  • A. Dainese
  • , F. Antinori
  • , R. Turrisi
  • , B. Abelev
  • , A. Abrahantes Quintana
  • , D. Adamová
  • , A. M. Adare
  • , M. M. Aggarwal
  • , G. Aglieri Rinella
  • , A. G. Agocs
  • , A. Agostinelli
  • , S. Aguilar Salazar
  • , Z. Ahammed
  • , N. Ahmad
  • , A. Ahmad Masoodi
  • , S. U. Ahn
  • , A. Akindinov
  • , D. Aleksandrov
  • , B. Alessandro
  • , R. Alfaro Molina
  • A. Alkin, E. Almaráz Aviña, T. Alt, V. Altini, S. Altinpinar, I. Altsybeev, C. Andrei, A. Andronic, V. Anguelov, C. Anson, P. Antonioli, L. Aphecetche, H. Appelshäuser, N. Arbor, S. Arcelli, A. Arend, N. Armesto, R. Arnaldi, T. Aronsson, I. C. Arsene, M. Arslandok, A. Asryan, A. Augustinus, R. Averbeck, T. C. Awes, J. Äystö, M. D. Azmi, M. Bach, Y. W. Baek, R. Bailhache, R. Bala, R. Baldini Ferroli, A. Baldisseri, A. Baldit, J. Bán, R. C. Baral, R. Barbera, F. Barile, G. G. Barnaföldi, L. S. Barnby, V. Barret, J. Bartke, M. Basile, N. Bastid, B. Bathen, G. Batigne, B. Batyunya, C. Baumann, I. G. Bearden, H. Beck, F. Bellini, R. Bellwied, E. Belmont-Moreno, S. Beole, I. Berceanu, A. Bercuci, Y. Berdnikov, D. Berenyi, C. Bergmann, D. Berzano, L. Betev, A. Bhasin, A. K. Bhati, N. Bianchi, L. Bianchi, C. Bianchin, J. Bielčík, J. Bielčíková, A. Bilandzic, F. Blanco, F. Blanco, D. Blau, C. Blume, M. Boccioli, N. Bock, A. Bogdanov, H. Boggild, M. Bogolyubsky, L. Boldizsár, M. Bombara

Research output: Contribution to journal › Article › peer-review

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 vs = 7 TeV at the LHC using the ALICE detector. Reconstructing the decays D0 → K-π+, D+ → K -π+π+, D*+ → D 0π+, and their charge conjugates, about 8,400 D 0, 2,900 D+, and 2,600 D*+ mesons with 1 < pt < 24 GeV/c were counted, after selection cuts, in a data sample of 3.14×108 events collected with a minimum-bias trigger (integrated luminosity Lint = 5 nb-1). The results are described within uncertainties by predictions based on perturbative QCD.

Original languageEnglish
Article number128
JournalJournal of High Energy Physics
Volume2012
Issue number1
DOIs
Publication statusPublished - 2012
Externally publishedYes

Keywords

  • Hadron-hadron scattering

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