Combined measurement of differential and total cross sections in the H→γγ and the H→ZZ∗→4ℓ decay channels at √s=13 TeV with the ATLAS detector

Barton, Adam Edward and Beattie, Michael and Bertram, Iain Alexander and Borissov, Guennadi and Bouhova-Thacker, Evelina Vassileva and Fox, Harald and Henderson, Robert Charles William and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin Eamonn and Love, Peter Allan and Muenstermann, Daniel Matthias Alfred and Parker, Adam Jackson and Skinner, Malcolm and Smizanska, Maria and Tee, Amy and Walder, James William and Wharton, Andrew Mark and Whitmore, Ben (2018) Combined measurement of differential and total cross sections in the H→γγ and the H→ZZ∗→4ℓ decay channels at √s=13 TeV with the ATLAS detector. Physics Letters B, 786. pp. 114-133. ISSN 0370-2693

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Abstract

A combined measurement of differential and inclusive total cross sections of Higgs boson production is performed using 36.1 fb−1of 13 TeV proton–proton collision data produced by the LHC and recorded by the ATLAS detector in 2015 and 2016. Cross sections are obtained from measured H → γγ and H → ZZ∗→ 4ℓ event yields, which are combined taking into account detector efficiencies, resolution, acceptances and branching fractions. The total Higgs boson production cross section is measured to be 57.0+6.0−5.9(stat.)+4.0−3.3(syst.) pb, in agreement with the Standard Model prediction. Differential cross-section measurements are presented for the Higgs boson transverse momentum distribution, Higgs boson rapidity, number of jets produced together with the Higgs boson, and the transverse momentum of the leading jet. The results from the two decay channels are found to be compatible, and their combination agrees with the Standard Model predictions.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
128478
Deposited By:
Deposited On:
23 Oct 2018 10:18
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Sep 2020 04:44