Measurement of Colour Flow with the Jet Pull Angle in tt̅ Events Using the ATLAS Detector a √s̅ = 8 TeV

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Measurement of Colour Flow with the Jet Pull Angle in tt̅ Events Using the ATLAS Detector a √s̅ = 8 TeV

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Title: Measurement of Colour Flow with the Jet Pull Angle in tt̅ Events Using the ATLAS Detector a √s̅ = 8 TeV
Author(s):
Aad, G.;
Abbott, B.;
Abdallah, J.;
Abdinov, O.;
Aben, R.;
Abolins, M.;
AbouZeid, O. S.;
Izen, Joseph M.;
Leyton, Michael;
Meirose, Bernhard;
Namasivayam, Harisankar;
Reeves, Kendall;
ATLAS Collaboration
Date Created: 2015-09-26
Format: Text
Item Type: Article
Keywords: Gluons
Electrons
Jets (Nuclear physics)
Quarks
Abstract: 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 tt̅ 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 √s̅ = 8 TeV at the LHC. The jet pull angle distribution is corrected for detector resolution and acceptance effects and is compared to various models.
Publisher: Elsevier Science B.V.
ISSN: 0370-2693
Source: Physics Letters B
Link to Related Resource: http://dx.doi.org/10.1016/j.physletb.2015.09.051
Persistent Link: http://hdl.handle.net/10735.1/4873
Bibliographic Citation: Aad, G., B. Abbott, J. Abdallah, O. Abdinov, et al. 2015. "Measurement of colour flow with the jet pull angle in tt̅ events using the ATLAS detector at √s̅ = 8 TeV." Physics Letters B 750, doi:10.1016/j.physletb.2015.09.051.
Terms of Use: CC BY 4.0 (Attribution)
©2015 CERN, for the ATLAS Collaboration

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CC BY 4.0 (Attribution) Except where otherwise noted, this item's license is described as CC BY 4.0 (Attribution)