@article{3179277,
    title = "pi(0) and eta meson production in proton-proton collisions at root s=8
TeV",
    author = "Acharya, S. and Adam, J. and Adamova, D. and Adolfsson, J. and Aggarwal, and M. M. and Rinella, G. Aglieri and Agnello, M. and Agrawal, N. and and Ahammed, Z. and Ahmad, N. and Ahn, S. U. and Aiola, S. and Akindinov, A. and and Al-Turany, M. and Alam, S. N. and Alba, J. L. B. and Albuquerque, D. and S. D. and Aleksandrov, D. and Alessandro, B. and Molina, R. Alfaro and and Alici, A. and Alkin, A. and Alme, J. and Alt, T. and Altenkamper, L. and and Altsybeev, I. and Prado, C. Alves Garcia and Andrei, C. and Andreou, D. and and Andrews, H. A. and Andronic, A. and Anguelov, V. and Anson, C. and and Anticic, T. and Antinori, F. and Antonioli, P. and Anwar, R. and and Aphecetche, L. and Appelshauser, H. and Arcelli, S. and Arnaldi, R. and and Arnold, O. W. and Arsene, I. C. and Arslandok, M. and Audurier, B. and and Augustinus, A. and Averbeck, R. and Azmi, M. D. and Badala, A. and Baek, and Y. 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C. and Zardoshti, N. and Zarochentsev, A. and and Zavada, P. and Zaviyalov, N. and Zbroszczyk, H. and Zhalov, M. and and Zhang, H. and Zhang, X. and Zhang, Y. and Zhang, C. and Zhang, Z. and and Zhao, C. and Zhigareva, N. and Zhou, D. and Zhou, Y. and Zhou, Z. and and Zhu, H. and Zhu, J. and Zichichi, A. and Zimmermann, A. and Zimmermann, and M. B. and Zinovjev, G. and Zmeskal, J. and Zou, S. and ALICE and Collaboration",
    journal = "The European Physical Journal C - Particles and Fields",
    year = "2018",
    volume = "78",
    number = "3",
    publisher = "Springer-Verlag",
    issn = "1434-6044, 1434-6052",
    doi = "10.1140/epjc/s10052-018-5612-8",
    abstract = "An invariant differential cross section measurement of inclusive pi(0)
and eta meson production atmid-rapidity in pp collisions at root s = 8
TeV was carried out by the ALICE experiment at the LHC. The spectra of
pi(0) and eta mesons were measured in transverse momentum ranges of 0.3
< p(T) < 35 GeV/c and 0.5 < p(T) < 35 GeV/c, respectively.
Next-to-leading order perturbative QCD calculations using fragmentation
functions DSS14 for the pi(0) and AESSS for the. overestimate the cross
sections of both neutral mesons, although such calculations agree with
the measured eta/pi(0) ratio within uncertainties. The results were also
compared with PYTHIA 8.2 predictions for which the Monash 2013 tune
yields the best agreement with the measured neutral meson spectra. The
measurements confirm a universal behavior of the eta/pi(0) ratio seen
forNA27, PHENIX and ALICE data for pp collisions from root s = 27.5 GeV
to root s = 8 TeV within experimental uncertainties. A relation between
the pi(0) and eta production cross sections for pp collisions at root s
= 8 TeV is given by m(T) scaling for p(T) > 3.5 GeV/c. However, a
deviation from this empirical scaling rule is observed for transverse
momenta below p(T) < 3.5 GeV/c in the eta/pi(0) ratio with a
significance of 6.2 sigma."
}