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Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector

Krauss, F.; Collaboration, ATLAS

Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector Thumbnail


Authors

ATLAS Collaboration



Abstract

The production of W bosons in association with two jets in proton–proton collisions at a centre-of-mass energy of $\sqrt {s} = 7\,{\mathrm {TeV}}$ has been analysed for the presence of double-parton interactions using data corresponding to an integrated luminosity of 36 pb−1, collected with the ATLAS detector at the Large Hadron Collider. The fraction of events arising from double-parton interactions, f(D)DP, has been measured through the pT balance between the two jets and amounts to f(D)DP = 0.08 ± 0.01 (stat.) ± 0.02 (sys.) for jets with transverse momentum pT > 20 GeV and rapidity |y| < 2.8. This corresponds to a measurement of the effective area parameter for hard double-parton interactions of σeff = 15 ± 3 (stat.) +5−3 (sys.) mb.

Citation

Krauss, F., & Collaboration, A. (2013). Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector. New Journal of Physics, 15, https://doi.org/10.1088/1367-2630/15/3/033038

Journal Article Type Article
Publication Date Mar 25, 2013
Deposit Date Mar 5, 2013
Publicly Available Date Sep 14, 2015
Journal New Journal of Physics
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 15
DOI https://doi.org/10.1088/1367-2630/15/3/033038

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Published Journal Article (830 Kb)
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
© CERN 2013 for the benefit of the ATLAS Collaboration, published under the terms of the Creative Commons Attribution 3.0 licence by IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Any further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation and DOI.





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