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https://hdl.handle.net/2440/124103
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Type: | Journal article |
Title: | Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s=13 TeV with the ATLAS detector |
Other Titles: | Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at root s=13 TeV with the ATLAS detector |
Author: | Aad, G. Abbott, B. Abbott, D.C. Abed Abud, A. Abeling, K. Abhayasinghe, D.K. Abidi, S.H. AbouZeid, O.S. Abraham, N.L. Abramowicz, H. Abreu, H. Abulaiti, Y. Acharya, B.S. Achkar, B. Adachi, S. Adam, L. Adam Bourdarios, C. Adamczyk, L. Adamek, L. Adelman, J. et al. |
Citation: | Physical Review Letters, 2020; 124(8):082301-1-082301-20 |
Publisher: | American Physical Society |
Issue Date: | 2020 |
ISSN: | 0031-9007 1079-7114 |
Statement of Responsibility: | G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling ... Paul D. Jackson ... et al. |
Abstract: | The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at sqrt[s]=13 TeV using a data sample with an integrated luminosity of 150 pb^{-1} recorded by the ATLAS detector at the LHC. The muons from heavy-flavor decay are separated from light-hadron decay muons using momentum imbalance between the tracking and muon spectrometers. The heavy-flavor decay muons are further separated into those from charm decay and those from bottom decay using the distance-of-closest-approach to the collision vertex. The measurement is performed for muons in the transverse momentum range 4-7 GeV and pseudorapidity range |η|<2.4. A significant nonzero elliptic anisotropy coefficient v_{2} is observed for muons from charm decays, while the v_{2} value for muons from bottom decays is consistent with zero within uncertainties. |
Keywords: | ATLAS Collaboration |
Rights: | © 2020 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. |
DOI: | 10.1103/physrevlett.124.082301 |
Published version: | http://dx.doi.org/10.1103/physrevlett.124.082301 |
Appears in Collections: | Aurora harvest 8 Physics publications |
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hdl_124103.pdf | Published version | 444.52 kB | Adobe PDF | View/Open |
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