Measurements of the differential jet cross section as a function of the jet mass in dijet events from proton-proton collisions at √s=13 TeV

Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Md. Ali, Mohd. Adli (2018) Measurements of the differential jet cross section as a function of the jet mass in dijet events from proton-proton collisions at √s=13 TeV. Journal of High Energy Physics, 2018 (11). pp. 1-39. ISSN 11266708 E-ISSN 1029-8479

	PDF - Published Version Restricted to Repository staff only Download (842kB) | Request a copy
	PDF (Scopus) - Supplemental Material Restricted to Repository staff only Download (685kB) | Request a copy
	PDF (WOS) - Supplemental Material Restricted to Repository staff only Download (2MB) | Request a copy

Abstract

Measurements of the differential jet cross section are presented as a function of the jet mass in dijet events, in bins of jet transverse momentum, with and without a jet grooming algorithm. The data have been recorded by the CMS Collaboration in protonproton collisions at the LHC at a center-of-mass energy of 13 TeV and correspond to an integrated luminosity of 2.3 fb−1 . The absolute cross sections show slightly different jet transverse momentum spectra in data and Monte Carlo event generators for the settings used. Removing this transverse momentum dependence, the normalized cross section for ungroomed jets is consistent with the prediction from Monte Carlo event generators for masses below 30% of the transverse momentum. The normalized cross section for groomed jets is measured with higher precision than the ungroomed cross section. Semi-analytical calculations of the jet mass beyond leading logarithmic accuracy are compared to data, as well as predictions at leading order and next-to-leading order, which include parton showering and hadronization. Overall, in the normalized cross section, the theoretical predictions agree with the measured cross sections within the uncertainties for masses from 10 to 30% of the jet transverse momentum.

Item Type:	Article (Journal)
Additional Information:	7861/69694
Uncontrolled Keywords:	Hadron-Hadron scattering (experiments), Jet physics
Subjects:	Q Science > Q Science (General) Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science Kulliyyah of Science > Department of Physics
Depositing User:	Dr Mohd Adli MD Ali
Date Deposited:	15 Jan 2019 10:58
Last Modified:	27 Jan 2019 17:08
URI:	http://irep.iium.edu.my/id/eprint/69694

Actions (login required)

View Item