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|Title:||Measurement of b-quark fragmentation properties in jets using the decay B± → J/ψK± in pp collisions at √s = 13 TeV with the ATLAS detector|
|Other Titles:||Measurement of b-quark fragmentation properties in jets using the decay B+/- -> J/psiK+/- in pp collisions at root s = 13 TeV with the ATLAS detector|
Abed Abud, A.
Abusleme Hoffman, A.C.
Adam Bourdarios, C.
|Citation:||The Journal of High Energy Physics, 2021; 2021(12):1-46|
|Publisher:||Springer Science and Business Media|
|G. Aad … Paul Jackson, Harish Potti, Martin White, Albert Kong, Tristan Ruggeri … et al.|
|Abstract:||The fragmentation properties of jets containing b-hadrons are studied using charged B mesons in 139 fb−1 of pp collisions at s√ = 13 TeV, recorded with the ATLAS detector at the LHC during the period from 2015 to 2018. The B mesons are reconstructed using the decay of B± into J/ψK±, with the J/ψ decaying into a pair of muons. Jets are reconstructed using the anti-kt algorithm with radius parameter R = 0.4. The measurement determines the longitudinal and transverse momentum profiles of the reconstructed B hadrons with respect to the axes of the jets to which they are geometrically associated. These distributions are measured in intervals of the jet transverse momentum, ranging from 50 GeV to above 100 GeV. The results are corrected for detector effects and compared with several Monte Carlo predictions using different parton shower and hadronisation models. The results for the longitudinal and transverse profiles provide useful inputs to improve the description of heavy-flavour fragmentation in jets.|
|Keywords:||Hadron-Hadron scattering (experiments)|
|Rights:||This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.|
|Appears in Collections:||Physics publications|
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