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  • Publication
    Measurement of the Centrality Dependence of the Dijet Yield in Formula Presented Collisions at Formula Presented with the ATLAS Detector
    (2024-03-08)
    Filmer, E. K.
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    Grant, C. M.
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    Jackson, P.
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    Kong, A. X.Y.
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    Pandya, H. D.
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    Potti, H.
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    Ruggeri, T. A.
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    Ting, E. X.L.
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    White, M. J.
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    Gingrich, D. M.
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    Lindon, J. H.
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    Nishu, N.
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    Pinfold, J. L.
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    Cakir, O.
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    Yildiz, H. Duran
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    Kuday, S.
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    Turk Cakir, I.
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    Sultansoy, S.
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    Adam Bourdarios, C.
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    Arnaez, O.
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    Berger, N.
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    Castillo, F. L.
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    Costanza, F.
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    Delmastro, M.
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    Di Ciaccio, L.
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    Hryn’ova, T.
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    Jézéquel, S.
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    Koletsou, I.
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    Levêque, J.
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    Lewis, D. J.
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    Little, J. D.
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    Lorenzo Martinez, N.
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    Poddar, G.
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    Sanchez Pineda, A.
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    Sauvan, E.
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    Bernardi, G.
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    Bomben, M.
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    Li, A.
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    Li, T.
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    Marchiori, G.
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    Nakkalil, K.
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    Shen, Q.
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    Zhang, Y.
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    Chekanov, S.
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    Darmora, S.
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    Hopkins, W. H.
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    Hoya, J.
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    Love, J.
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    Luongo, N. A.
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    Metcalfe, J.
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    Mete, A. S.
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    Paramonov, A.
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    Proudfoot, J.
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    Van Gemmeren, P.
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    Wamorkar, T.
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    Wang, R.
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    Zhang, J.
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    Cheu, E.
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    Cui, Z.
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    Ghosh, A.
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    Johns, K. A.
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    Lampl, W.
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    Lindley, R. E.
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    Loch, P.
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    Rutherfoord, J. P.
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    Sardain, J.
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    Varnes, E. W.
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    Zhou, H.
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    Zhou, Y.
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    Bakshi Gupta, D.
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    Burghgrave, B.
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    Cardenas, J. C.J.
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    De, K.
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    Farbin, A.
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    Hadavand, H. K.
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    Myers, A. J.
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    Ozturk, N.
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    Usai, G.
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    White, A.
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    Angelidakis, S.
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    Fassouliotis, D.
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    Fountas, L.
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    Gkialas, I.
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    Kourkoumelis, C.
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    Alexopoulos, T.
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    Drivas-Koulouris, I.
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    Gazis, E. N.
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    Kitsaki, C.
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    Maltezos, S.
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    Paraskevopoulos, C.
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    Perganti, M.
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    ; ; ;
    Fernandez Luengo, S.I.
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    Fuenzalida Garrido, S.
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    Robles Gajardo, C.M.
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    Viaux Maira, N.
    ATLAS measured the centrality dependence of the dijet yield using 165  nb−1 of 𝑝+Pb data collected at √𝑠NN=8.16  TeV in 2016. The event centrality, which reflects the 𝑝+Pb impact parameter, is characterized by the total transverse energy registered in the Pb-going side of the forward calorimeter. The central-to-peripheral ratio of the scaled dijet yields, 𝑅CP, is evaluated, and the results are presented as a function of variables that reflect the kinematics of the initial hard parton scattering process. The 𝑅CP shows a scaling with the Bjorken 𝑥 of the parton originating from the proton, 𝑥𝑝, while no such trend is observed as a function of 𝑥Pb. This analysis provides unique input to understanding the role of small proton spatial configurations in 𝑝+Pb collisions by covering parton momentum fractions from the valence region down to 𝑥𝑝∼10−3 and 𝑥Pb∼4×10−4.
    Scopus© Citations 1