@article{3174770, title = "Flow Dominance and Factorization of Transverse Momentum Correlations in Pb-Pb Collisions at the LHC", author = "Adam, J. and Adamova, D. and Aggarwal, M. M. and Rinella, G. Aglieri and and Agnello, M. and Agrawa, N. and Ahammed, Z. and Ahmad, S. and Ahn, S. U. and and Aiola, S. and Akindinov, A. and Alam, S. N. and Albuquerque, D. S. and D. and Aleksandrov, D. and Alessandro, B. and Alexandre, D. and Alfaro and Molina, R. and Alici, A. and Alkin, A. and Alme, J. and Alt, T. and and Altinpinar, S. and Altsy-Beev, I. and Alves Garcia Prado, C. and An, M. and and Andrei, C. and Andrews, H. A. and Andronic, A. and Anguelov, V. and and Anson, C. and Anticic, T. and Antinori, F. and Antonioli, P. and Anwar, and R. and Aphecetche, L. and Appelshaeuser, H. and Arcelli, S. and Arnaldi, and R. and Arnold, O. W. and Arsene, I. C. and Arslandok, M. and Audurier, and B. and Augustinus, A. and Averbeck, R. and Azmi, M. D. and Badala, A. and and Baek, Y. W. and Bagnasco, S. and Bailhache, R. and Bala, R. and and Baldisseri, A. and Baral, R. C. and Barbano, A. M. and Barbera, R. and and Barile, F. and Barioglio, L. and Barnafoldi, G. G. and Barnby, L. S. and and Barret, V. and Bartalini, P. and Barth, K. and Bartke, J. and Bartsch, and E. and Basile, M. and Bastid, N. and Basu, S. and Bathen, B. and and Batigne, G. and Camejo, A. Batista and Batyunya, B. and Batzing, P. C. and and Bearden, I. G. and Beck, H. and Bedda, C. and Behera, N. K. and and Belikov, I. and Bellini, F. and Bello Martinez, H. and Bellwied, R. and and Beltran, L. G. E. and Belyaev, V. and Bencedi, G. and Beole, S. and and Bercuci, A. and Berdnikov, Y. and Berenyi, D. and Bertens, R. A. and and Berzano, D. and Betev, L. and Bhasin, A. and Bhat, I. 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A. and Volpe, G. and and von Haller, B. and Vorobyev, I. and Voscek, D. and Vranic, D. and and Vrlakova, J. and Wagner, B. and Wagner, J. and Wang, H. and Wang, M. and and Watanabe, D. and Watanabe, Y. and Weber, M. and Weber, S. G. and Weiser, and D. F. and Wessels, J. P. and Westerhoff, U. and Whitehead, A. M. and and Wiechula, J. and Wikne, J. and Wilk, G. and Wilkinson, J. and Willems, and G. A. and Williams, M. C. S. and Windelband, B. and Witt, W. E. and and Yalcin, S. and Yang, P. and Yano, S. and Yin, Z. and Yokoyama, H. and and Yoo, I. -K. and Yoon, J. H. and Yurchenko, V. and Zaccolo, V. and Zaman, and A. and Zampolli, C. and Zanoli, H. J. C. and Zaporozhets, S. and and Zardoshti, N. and Zarochentsev, A. and Zavada, P. and Zaviyalov, N. and and Zbroszczyk, H. and Zhalov, M. and Zhang, H. and Zhang, X. and Zhang, Y. and and Zhang, C. and Zhang, Z. and Zhao, C. and Zhigareva, N. and Zhou, D. and and Zhou, Y. and Zhou, Z. and Zhu, H. and Zhu, J. and Zhu, X. and and Zichichi, A. and Zimmermann, A. and Zimmermann, M. B. and Zimmermann, S. and and Zinovjev, G. and Zmeskal, J. and ALICE Collaboration", journal = "Physical Review and Physical Review Letters Index", year = "2017", volume = "118", number = "16", publisher = "AMER PHYSICAL SOC", issn = "0094-0003", doi = "10.1103/PhysRevLett.118.162302", abstract = "We present the first measurement of the two-particle transverse momentum differential correlation function, P-2 = / < p(T)>(2), in Pb-Pb collisions at root s(NN) = 2.76 TeV. Results for P-2 are reported as a function of the relative pseudorapidity (Delta eta) and azimuthal angle (Delta phi) between two particles for different collision centralities. The Delta phi dependence is found to be largely independent of Delta eta for broken vertical bar Delta eta broken vertical bar >= 0.9. In the 5% most central Pb-Pb collisions, the two-particle transverse momentum correlation function exhibits a clear double-hump structure around Delta phi=pi (i. e., on the away side), which is not observed in number correlations in the same centrality range, and thus provides an indication of the dominance of triangular flow in this collision centrality. Fourier decompositions of P-2, studied as a function of the collision centrality, show that correlations at broken vertical bar Delta eta broken vertical bar >= 0.9 can be well reproduced by a flow ansatz based on the notion that measured transverse momentum correlations are strictly determined by the collective motion of the system." }