@article{3155946,
    title = "Measurement of charm production at central rapidity in proton-proton
collisions at square s = 2.76 TeV",
    author = "Abelev, B. and Adam, J. and Adamova, D. and Adare, A. M. and Aggarwal, and M. M. and Rinella, G. Aglieri and Agocs, A. G. and Agostinelli, A. and and Salazar, S. Aguilar and Ahammed, Z. and Masoodi, A. Ahmad and Ahmad, N. and and Ahn, S. A. and Ahn, S. U. and Akindinov, A. and Aleksandrov, D. and and Alessandro, B. and Molina, R. Alfaro and Alici, A. and Alkin, A. and and Almaraz Avina, E. and Alme, J. and Alt, T. and Altini, V. and and Altinpinar, S. and Altsybeev, I. and Andrei, C. and Andronic, A. and and Anguelov, V. and Anielski, J. and Anson, C. and Anticic, T. and and Antinori, F. and Antonioli, P. and Aphecetche, L. and Appelshaeuser, H. and and Arbor, N. and Arcelli, S. and Arend, A. and Armesto, N. and Arnaldi, and R. and Aronsson, T. and Arsene, I. C. and Arslandok, M. and Asryan, A. and and Augustinus, A. and Averbeck, R. and Awes, T. C. and Aysto, J. and and Azmi, M. D. and Bach, M. and Badala, A. and Baek, Y. 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Xaplanteris and and Yaldo, C. G. and Yamaguchi, Y. and Yang, H. and Yang, S. and and Yasnopolskiy, S. and Yi, J. and Yin, Z. and Yoo, I.-K. and Yoon, J. and and Yu, W. and Yuan, X. and Yushmanov, I. and Zach, C. and Zampolli, C. and and Zaporozhets, S. and Zarochentsev, A. and Zavada, P. and Zaviyalov, N. and and Zbroszczyk, H. and Zelnicek, P. and Zgura, I. S. and Zhalov, M. and and Zhang, H. and Zhang, X. and Zhou, F. and Zhou, D. and Zhou, Y. and Zhu, and X. and Zhu, J. and Zichichi, A. and Zimmermann, A. and Zinovjev, G. and and Zoccarato, Y. and Zynovyev, M. and Zyzak, M. and ALICE Collaboration",
    journal = "Journal of High Energy Physics",
    year = "2012",
    number = "7",
    publisher = "Springer-Verlag",
    issn = "1126-6708, 1029-8479",
    doi = "10.1007/JHEP07(2012)191",
    keywords = "Hadron-Hadron Scattering",
    abstract = "The p(t)-differential production cross sections of the prompt (B
feed-down subtracted) charmed mesons D-0, D+, and D*(+) in the
rapidity range vertical bar y vertical bar < 0.5, and for transverse
momentum 1 < p(t) < 12 GeV/c, were measured in proton-proton collisions
at root s = 2.76 TeV with the ALICE detector at the Large Hadron
Collider. The analysis exploited the hadronic decays D-0 -> K-pi(+), D+
-> K-pi(+)pi(+), D*(+) -> D-0 pi(+), and their charge conjugates, and
was performed on a L-int = 1.1 nb(-1) event sample collected in 2011
with a minimum-bias trigger. The total charm production cross section at
root s = 2.76 TeV and our previous measurements at root s = 7 TeV. The
results were compared to existing measurements and to perturbative-QCD
calculations. The fraction of c(d)over-bar D mesons produced in a vector
state was also determined."
}