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Probing color coherence effects in pp collisions at s√=7 TeV

Author(s)
Apyan, Aram; Busza, Wit; Cali, Ivan Amos; Chan, M.; Di Matteo, Leonardo; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Kim, Y.; Klute, Markus; Lai, Yue Shi; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Stoeckli, Fabian; Velicanu, Dragos Alexandru; Wyslouch, Boleslaw; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Bauer, Gerry P; Levin, Andrew Michael; Luckey Jr, P David; Ma, Teng; Roland, Christof E; Roland, Gunther M; Sumorok, Konstanty C; Wolf, Roger; Yang, Mingming; Wyslouch, Victoria; ... Show more Show less
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Abstract
A study of color coherence effects in pp collisions at a center-of-mass energy of 7 TeV is presented. The data used in the analysis were collected in 2010 with the CMS detector at the LHC and correspond to an integrated luminosity of 36 pb −1 . Events are selected that contain at least three jets and where the two jets with the largest transverse momentum exhibit a back-to-back topology. The measured angular correlation between the second- and third-leading jet is shown to be sensitive to color coherence effects, and is compared to the predictions of Monte Carlo models with various implementations of color coherence. None of the models describe the data satisfactorily.
Date issued
2014-06
URI
http://hdl.handle.net/1721.1/89417
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
European Physical Journal C: Particles and Fields
Publisher
Springer-Verlag
Citation
Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, et al. “Probing color coherence effects in pp collisions at s√=7 TeV.” Eur. Phys. J. C 74, no. 6 (June 2014).
Version: Final published version
ISSN
1434-6044
1434-6052

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