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Studies of jet mass in dijet and W/Z+jet events

Abstract : Invariant mass spectra for jets reconstructed using the anti-kt and Cambridge-Aachen algorithms are studied for different jet "grooming" techniques in data corresponding to an integrated luminosity of 5 inverse femtobarns, recorded with the CMS detector in proton-proton collisions at the LHC at a center-of-mass energy of 7 TeV. Leading-order QCD predictions for inclusive dijet and W/Z+jet production combined with parton-shower Monte Carlo models are found to agree overall with the data, and the agreement improves with the implementation of jet grooming methods used to distinguish merged jets of large transverse momentum from softer QCD gluon radiation.
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Contributor : Sylvie Flores Connect in order to contact the contributor
Submitted on : Thursday, March 21, 2013 - 7:57:45 AM
Last modification on : Monday, December 13, 2021 - 9:15:05 AM

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S. Chatrchyan, M. Besançon, S. Choudhury, F. Couderc, M. Dejardin, et al.. Studies of jet mass in dijet and W/Z+jet events. Journal of High Energy Physics, Springer, 2013, 05(2013), pp.090. ⟨10.1007/JHEP05(2013)090⟩. ⟨in2p3-00803073⟩



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