Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Poster Session
Measurement of differential and integrated fiducial cross sections for Higgs boson production in the four-lepton decay channel in pp collisions at sqrt(s) = 7 , 8 and 13 TeV
M. Ahmad* on behalf of the CMS collaboration
*corresponding author
Full text: pdf
Supplementary files
Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
Integrated fiducial cross sections for the production of four leptons via the H $\rightarrow$ 4$\ell$ decays $(\ell = e,\mu)$ are measured in pp collisions at $\sqrt{s}$ = 7,8 and 13 TeV. Measurements are performed with data corresponding to integrated luminosities of 5.1 fb$^{-1}$1 at $\sqrt{s}$ = 7 TeV, 19.7 fb$^{-1}$ at $\sqrt{s}$ = 8 TeV and 12.9 fb$^{-1}$ at $\sqrt{s}$ = 13 TeV, collected with the CMS experiment at the LHC. Differential cross sections are measured as a function of transverse momentum of four-lepton system and accompanying jet multiplicity using 8 and 13 TeV data set. All cross sections are measured within a fiducial phase space defined by the requirements on lepton kinematics and event topology.
The integrated H $\rightarrow$ 4$\ell$ fiducial cross section is measured to be 0:56$^{+0:67}_{-0:44}$ (stat:)$^{+0:21}_{-0:06}$ (sys:) $\pm$ 0:02(model) fb at 7 TeV, 1:11$^{+0:41}_{-0:35}$ (stat:)$^{+0:14}_{-0:10}$ (sys:)$^{+0:08}_{-0:02}$ (model) fb at 8 TeV and 2:29$^{+0:74}_{-0:64}$(stat:)$^{+0:30}_{-0:23}$(sys:)$^{+0:01}_{-0:05}$(model)fb at 13 TeV. The measurements are found to be compatible with the theoretical calculations based on the standard model.
DOI: https://doi.org/10.22323/1.282.0875
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