@article{3154775,
    title = "Pion, Kaon, and Proton Production in Central Pb-Pb Collisions at root
s(NN)=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 Aguilar Salazar, S. and Ahammed, Z. and Ahmad, N. and Masoodi, A. Ahmad and and Ahn, S. A. and Ahn, S. U. and Akindinov, A. and Aleksandrov, D. and and Alessandro, B. and Alfaro Molina, R. 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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S. and Zhalov, M. and and Zhang, H. and Zhang, X. and Zhou, D. and Zhou, Y. and Zhou, F. and Zhu, and J. and Zhu, X. and Zhu, J. and Zichichi, A. and Zimmermann, A. and and Zinovjev, G. and Zoccarato, Y. and Zynovyev, M. and Zyzak, M. and ALICE and Collaboration",
    journal = "Physical Review and Physical Review Letters Index",
    year = "2012",
    volume = "109",
    number = "25",
    publisher = "AMER PHYSICAL SOC",
    issn = "0094-0003",
    doi = "10.1103/PhysRevLett.109.252301",
    abstract = "In this Letter we report the first results on pi(+/-), K-+/-, p, and (p)
over bar production at midrapidity (vertical bar y vertical bar < 0.5)
in central Pb-Pb collisions at root s(NN) = 2.76 TeV, measured by the
ALICE experiment at the LHC. The p(T) distributions and yields are
compared to previous results at root s(NN) = 200 GeV and expectations
from hydrodynamic and thermal models. The spectral shapes indicate a
strong increase of the radial flow velocity with root s(NN), which in
hydrodynamic models is expected as a consequence of the increasing
particle density. While the K/pi ratio is in line with predictions from
the thermal model, the p/pi ratio is found to be lower by a factor of
about 1.5. This deviation from thermal model expectations is still to be
understood."
}