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Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the H -> gamma gamma and H -> ZZ* -> 4l Decay Channels at root s=8 TeV with the ATLAS Detector
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.
KTH, Skolan för teknikvetenskap (SCI), Fysik.
Vise andre og tillknytning
Rekke forfattare: 28212015 (engelsk)Inngår i: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 115, nr 9, artikkel-id 091801Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Measurements of the total and differential cross sections of Higgs boson production are performed using 20.3 fb(-1) of pp collisions produced by the Large Hadron Collider at a center-of-mass energy of root s = 8 TeV and recorded by the ATLAS detector. Cross sections are obtained from measured H -> gamma gamma and H -> ZZ*. 4l event yields, which are combined accounting for detector efficiencies, fiducial acceptances, and branching fractions. Differential cross sections are reported as a function of Higgs boson transverse momentum, Higgs boson rapidity, number of jets in the event, and transverse momentum of the leading jet. The total production cross section is determined to be sigma(pp -> H) = 33.0 +/- 5.3 (stat) +/- 1.6 (syst) pb. The measurements are compared to state-of-the-art predictions.

sted, utgiver, år, opplag, sider
2015. Vol. 115, nr 9, artikkel-id 091801
Emneord [en]
parton distributions, gluon-fusion, lhc, quark
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-173919DOI: 10.1103/PhysRevLett.115.091801ISI: 000360134200005Scopus ID: 2-s2.0-84941074150OAI: oai:DiVA.org:kth-173919DiVA, id: diva2:856053
Forskningsfinansiär
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Merknad

QC 20150923

Tilgjengelig fra: 2015-09-23 Laget: 2015-09-23 Sist oppdatert: 2017-12-01bibliografisk kontrollert

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