Studies of the correlations of the two highest transverse momentum (leading)jets in individual Pb+Pb collision events can provide information about themechanism of jet quenching by the hot and dense matter created in suchcollisions. In Pb+Pb and $pp$ collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02TeV, measurements of the leading dijet transverse momentum ($p_{\mathrm{T}}$)correlations are presented. Additionally, measurements in Pb+Pb collisions ofthe dijet pair nuclear modification factors projected along leading andsubleading jet $p_{\mathrm{T}}$ are made. The measurements are performed usingthe ATLAS detector at the LHC with 260 ${\mathrm {pb}^{-1}}$ of $pp$ datacollected in 2017 and 2.2 ${\mathrm {nb}^{-1}}$ of Pb+Pb data collected in2015 and 2018. An unfolding procedure is applied to the two-dimensionalleading and subleading jet $p_{\mathrm{T}}$ distributions to account forexperimental effects in the measurement of both jets. Results are provided fordijets with leading jet $p_{\mathrm{T}}$ greater than 100 GeV. Measurements ofthe dijet-yield-normalized $x_{\mathrm{J}}$ distributions in Pb+Pb collisionsshow an increased fraction of imbalanced jets compared to $pp$ collisions;these measurements are in agreement with previous measurements of the samequantity at 2.76 TeV in the overlapping kinematic range. Measurements of theabsolutely-normalized dijet rate in Pb+Pb and $pp$ collisions are alsopresented, and show that balanced dijets are significantly more suppressedthan imbalanced dijets in Pb+Pb collisions. It is observed in themeasurements of the pair nuclear modification factors that the subleadingjets are significantly suppressed relative to leading jets with$p_{\mathrm{T}}$ between 100 and 316 GeV for all centralities in Pb+Pbcollisions.
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Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV. HEPData (collection).
https://doi.org/10.17182/hepdata.145875
or, if you prefer, a specific version of the
record:
ATLAS
Collaboration
(2024).
Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.145875.v1
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ATLAS
Collaboration
(2024).
“pp abs norm” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t1
ATLAS
Collaboration
(2024).
“PbPb abs norm cent0” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t2
ATLAS
Collaboration
(2024).
“PbPb abs norm cent1” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t3
ATLAS
Collaboration
(2024).
“PbPb abs norm cent2” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t4
ATLAS
Collaboration
(2024).
“PbPb abs norm cent3” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t5
ATLAS
Collaboration
(2024).
“PbPb abs norm cent4” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t6
ATLAS
Collaboration
(2024).
“pp self norm” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t7
ATLAS
Collaboration
(2024).
“PbPb self norm cent0” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t8
ATLAS
Collaboration
(2024).
“PbPb self norm cent1” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t9
ATLAS
Collaboration
(2024).
“PbPb self norm cent2” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t10
ATLAS
Collaboration
(2024).
“PbPb self norm cent3” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t11
ATLAS
Collaboration
(2024).
“PbPb self norm cent4” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t12
ATLAS
Collaboration
(2024).
“PbPb leading RAA0” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t13
ATLAS
Collaboration
(2024).
“PbPb subleading RAA0” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t14
ATLAS
Collaboration
(2024).
“PbPb leading RAA1” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t15
ATLAS
Collaboration
(2024).
“PbPb subleading RAA1” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t16
ATLAS
Collaboration
(2024).
“PbPb leading RAA2” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t17
ATLAS
Collaboration
(2024).
“PbPb subleading RAA2” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t18
ATLAS
Collaboration
(2024).
“PbPb leading RAA3” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t19
ATLAS
Collaboration
(2024).
“PbPb subleading RAA3” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t20
ATLAS
Collaboration
(2024).
“PbPb leading RAA4” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t21
ATLAS
Collaboration
(2024).
“PbPb subleading RAA4” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t22
ATLAS
Collaboration
(2024).
“raa_ratio” of “Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.145875.v1/t23
When using this data, please cite the original publication:
ATLAS
Collaboration
(2023).
Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 5.02 TeV. Phys.Rev.C 107 (2023) 054908.
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record:
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