Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/109259
Title: Measurement of colour flow with the jet pull angle in tt- events using the ATLAS detector at √s=8 TeV
Authors: Santos, S. P. Amor dos 
Carvalho, J. 
Fiolhais, M. C. N. 
Galhardo, B. 
Veloso, F. 
Wolters, H. 
ATLAS Collaboration
Issue Date: 2015
Publisher: Elsevier
metadata.degois.publication.title: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
metadata.degois.publication.volume: 750
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 tt- 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 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.
URI: https://hdl.handle.net/10316/109259
DOI: 10.1016/j.physletb.2015.09.051
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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