Measurements Of The Total And Differential Higgs Boson Production Cross Sections Combining The H 2gammagamma And H 2zz 24l Decay Channels At Arrow
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| Release | : 2015 |
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Download Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the H 2![gamma][gamma] and H 2!ZZ* 2!4l Decay Channels at [arrow]" Book in PDF, Epub and Kindle
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 [arrow]" = 8 TeV and recorded by the ATLAS detector. Cross sections are obtained from measured H 2![gamma][gamma] and H 2!ZZ* 2!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]pp2! = 33.0 " 5.3 (stat) " 1.6 (syst) pb. The measurements are compared to state-of-the-art predictions.
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| Release | : 2015 |
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Download Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the H {u2192} ?? and H {u2192} ZZ* {u2192} 4l Decay Channels at {u221A}s Book in PDF, Epub and Kindle
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 √s = 8 TeV and recorded by the ATLAS detector. Cross sections are obtained from measured H → ?? 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 ?pp→H = 33.0 ± 5.3 (stat) ± 1.6 (syst) pb. The measurements are compared to state-of-the-art predictions.
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| Total Pages | : 31 |
| Release | : 2016 |
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Download Measurement of Differential Cross Sections for Higgs Boson Production in the Diphoton Decay Channel in Pp Collisions at $\sqrt{s}$ Book in PDF, Epub and Kindle
Here, we presented a measurement of differential cross sections for the Higgs boson (H) production in pp collisions at √s = 8 TeV. The analysis exploits the H →?? decay in data corresponding to an integrated luminosity of 19.7 fb-1 collected by the CMS experiment at the LHC. The cross section is measured as a function of the kinematic properties of the diphoton system and of the associated jets. Results corrected for detector effects are compared with predictions at next-to-leading order and nextto-next-to-leading order in perturbative quantum chromodynamics, as well as with predictions beyond the standard model. Furthermore, for isolated photons with pseudorapidities.
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| Total Pages | : 63 |
| Release | : 2016 |
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Download Measurement of Fiducial Differential Cross Sections of Gluon-fusion Production of Higgs Bosons Decaying to WW* 2!e[nu][mu][nu] with the ATLAS Detector at $ \sqrt{s} Book in PDF, Epub and Kindle
Here, this paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the H → WW *→ e[nu][mu][nu] channel, using 20.3 fb-1 of proton-proton collision data. The data were produced at a centre-of-mass energy of √s = 8 TeV at the CERN Large Hadron Collider and recorded by the ATLAS detector in 2012. Cross sections are measured from the observed H→ W W*→ e[nu][mu][nu] signal yield in categories distinguished by the number of associated jets. The total cross section is measured in a fiducial region defined by the kinematic properties of the charged leptons and neutrinos. Differential cross sections are reported as a function of the number of jets, the Higgs boson transverse momentum, the dilepton rapidity, and the transverse momentum of the leading jet. The jet-veto efficiency, or fraction of events with no jets above a given transverse momentum threshold, is also reported. All measurements are compared to QCD predictions from Monte Carlo generators and fixed-order calculations, and are in agreement with the Standard Model predictions.
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| Total Pages | : 63 |
| Release | : 2016 |
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Download Measurement of Fiducial Differential Cross Sections of Gluon-fusion Production of Higgs Bosons Decaying to WW* {u2192} E??? with the ATLAS Detector at $ \sqrt{s} Book in PDF, Epub and Kindle
Here, this paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the H → WW *→ e??? channel, using 20.3 fb–1 of proton-proton collision data. The data were produced at a centre-of-mass energy of √s = 8 TeV at the CERN Large Hadron Collider and recorded by the ATLAS detector in 2012. Cross sections are measured from the observed H→ W W*→ e??? signal yield in categories distinguished by the number of associated jets. The total cross section is measured in a fiducial region defined by the kinematic properties of the charged leptons and neutrinos. Differential cross sections are reported as a function of the number of jets, the Higgs boson transverse momentum, the dilepton rapidity, and the transverse momentum of the leading jet. The jet-veto efficiency, or fraction of events with no jets above a given transverse momentum threshold, is also reported. All measurements are compared to QCD predictions from Monte Carlo generators and fixed-order calculations, and are in agreement with the Standard Model predictions.
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| Total Pages | : 20 |
| Release | : 2014 |
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Download Fiducial and Differential Cross Sections of Higgs Boson Production Measured in the Four-lepton Decay Channel in Pp Collisions at {u221A}s Book in PDF, Epub and Kindle
Measurements of fiducial and differential cross sections of Higgs boson production in the H→ZZ*→4l decay channel are presented. The cross sections are determined within a fiducial phase space and corrected for detection efficiency and resolution effects. They are based on 20.3 fb-1 of pp collision data, produced at √s = 8 TeV centre-of-mass energy at the LHC and recorded by the ATLAS detector. The differential measurements are performed in bins of transverse momentum and rapidity of the four-lepton system, the invariant mass of the subleading lepton pair and the decay angle of the leading lepton pair with respect to the beam line in the four-lepton rest frame, as well as the number of jets and the transverse momentum of the leading jet. The measured cross sections are compared to selected theoretical calculations of the Standard Model expectations. No significant deviation from any of the tested predictions is found.
| Author | : ATLAS Collaboration CERN |
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| Total Pages | : 0 |
| Release | : 2022 |
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Download Measurements of Higgs Boson Production Cross-sections in the H -> [tau][plus][tau][minus] Decay Channel in Pp Collisions at [square Root]s Book in PDF, Epub and Kindle
| Author | : Marco Filipuzzi |
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| Release | : 2016 |
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Download Measurements of Fiducial Differential Cross Sectionsfor Higgs Boson Production in the Diphoton Decay Channel at √s Book in PDF, Epub and Kindle
| Author | : [Study Group] ATLAS Collaboration CERN |
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| Total Pages | : 0 |
| Release | : 2022 |
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Download Measurements of the Higgs Boson Inclusive and Differential Fiducial Cross-sections in the Diphoton Decay Channel with Pp Collisions at [square Root]s Book in PDF, Epub and Kindle
Abstract: A measurement of inclusive and differential fiducial cross-sections for the production of the Higgs boson decaying into two photons is performed using 139 fb−1 of proton-proton collision data recorded at s√ = 13 TeV by the ATLAS experiment at the Large Hadron Collider. The inclusive cross-section times branching ratio, in a fiducial region closely matching the experimental selection, is measured to be 67 ± 6 fb, which is in agreement with the state-of-the-art Standard Model prediction of 64 ± 4 fb. Extrapolating this result to the full phase space and correcting for the branching ratio, the total cross-section for Higgs boson production is estimated to be 58 ± 6 pb. In addition, the cross-sections in four fiducial regions sensitive to various Higgs boson production modes and differential cross-sections as a function of either one or two of several observables are measured. All the measurements are found to be in agreement with the Standard Model predictions. The measured transverse momentum distribution of the Higgs boson is used as an indirect probe of the Yukawa coupling of the Higgs boson to the bottom and charm quarks. In addition, five differential cross-section measurements are used to constrain anomalous Higgs boson couplings to vector bosons in the Standard Model effective field theory framework
| Author | : [Study Group] ATLAS Collaboration CERN |
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| Total Pages | : 0 |
| Release | : 2023 |
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Download Fiducial and Differential Cross-section Measurements for the Vector-boson-fusion Production of the Higgs Boson in the H→WW*→eνμν Decay Channel at 13 TeV with the ATLAS Detector Book in PDF, Epub and Kindle
