Measurement of b-quark fragmentation properties in jets using the decay B <sup>±</sup> → J/ψK <sup>±</sup> in pp collisions at √s = 13 TeV with the ATLAS detector
Authors
Alunno Camelia, E
Amelung, C
Amrouche, CS
Andrei, V
Publication Date
2021Journal Title
Journal of High Energy Physics
ISSN
1029-8479
Publisher
Springer Science and Business Media LLC
Volume
2021
Issue
12
Language
en
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Aad, G., Abbott, B., Abbott, D., Abed Abud, A., Abeling, K., Abhayasinghe, D., Abidi, S., et al. (2021). Measurement of b-quark fragmentation properties in jets using the decay B <sup>±</sup> → J/ψK <sup>±</sup> in pp collisions at √s = 13 TeV with the ATLAS detector. Journal of High Energy Physics, 2021 (12) https://doi.org/10.1007/JHEP12(2021)131
Abstract
The fragmentation properties of jets containing $b$-hadrons are studied using
charged $B$ mesons in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ 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 $B^{\pm}$ into
$J/\psi K^{\pm}$, with the $J/\psi$ decaying into a pair of muons. Jets are
reconstructed using the anti-$k_t$ 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
Regular Article - Experimental Physics, Hadron-Hadron scattering (experiments)
Identifiers
jhep12(2021)131, 17402
External DOI: https://doi.org/10.1007/JHEP12(2021)131
This record's URL: https://www.repository.cam.ac.uk/handle/1810/335558
Rights
Licence:
http://creativecommons.org/licenses/by/4.0/
Statistics
Total file downloads (since January 2020). For more information on metrics see the
IRUS guide.