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Measurement of colour flow with the jet pull angle in t(t)over-bar events using the ATLAS detector at root s=8 TeV
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 2851
2015 (English)In: Modern physics letters B, ISSN 0217-9849, Vol. 750, 475-493 p.Article in journal (Refereed) Published
Abstract [en]

The distribution and orientation of energy inside jets is predicted to be an experimental handle on colour connections between the hard-scatter quarks and gluons initiating the jets. This Letter presents a measurement of the distribution of one such variable, the jet pull angle. The pull angle is measured for jets produced in t (t) over bar events with one W boson decaying leptonically and the other decaying to jets using 20.3 fb(-1) of data recorded with the ATLAS detector at a centre-of-mass energy of root s = 8 TeV at the LHC. The jet pull angle distribution is corrected for detector resolution and acceptance effects and is compared to various models.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 750, 475-493 p.
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-180351DOI: 10.1016/j.physletb.2015.09.051ISI: 000364250600077OAI: oai:DiVA.org:kth-180351DiVA: diva2:893299
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Note

QC 20160112

Available from: 2016-01-12 Created: 2016-01-12 Last updated: 2016-01-12Bibliographically approved

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Lund-Jensen, BengtSidebo, EdvinStrandberg, Jonas
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