Measurement of the centrality dependence of the dijet yield in p+Pb collisions at √SNN=8.16 TeV with the ATLAS detector : = Measurement of the centrality dependence of the dijet yield in p+Pb collisions at [square root]SNN=8.16 TeV with the ATLAS detector

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Abstract: ATLAS measured the centrality dependence of the dijet yield using 165  nb−1 of +Pb data collected at √ NN=8.16  TeV in 2016. The event centrality, which reflects the +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, CP, is evaluated, and the results are presented as a function of variables that reflect the kinematics of the initial hard parton scattering process. The CP shows a scaling with the Bjorken of the parton originating from the proton, , while no such trend is observed as a function of Pb. This analysis provides unique input to understanding the role of small proton spatial configurations in +Pb collisions by covering parton momentum fractions from the valence region down to ∼10−3 and Pb∼4×10−4

Weitere Titel
Measurement of the centrality dependence of the dijet yield in p+Pb collisions at [square root]SNN=8.16 TeV with the ATLAS detector
Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
Physical review letters. - 132, 10 (2024) , 102301, ISSN: 1079-7114

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2024
Urheber
Beteiligte Personen und Organisationen
Experimentelle Teilchenphysik

DOI
10.1103/physrevlett.132.102301
URN
urn:nbn:de:bsz:25-freidok-2533996
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:32 MESZ

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