Constraints on the Higgs boson width from off-shell production and decay to Z-boson pairs

Abstract

Constraints are presented on the total width of the recently discovered Higgs boson, Gamma[H], using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an electron or muon pair, and the other to an electron, muon, or neutrino pair. The analysis is based on the data collected by the CMS experiment at the LHC in 2011 and 2012, corresponding to integrated luminosities of 5.1 inverse femtobarns at a centre-of-mass energy sqrt(s) = 7 TeV and 19.7 inverse femtobarns at sqrt(s) = 8 TeV. A simultaneous maximum likelihood fit to the measured kinematic distributions near the resonance peak and above the Z-boson pair production threshold leads to an upper limit on the Higgs boson width of Gamma[H] < 22 MeV at a 95% confidence level, which is 5.4 times the expected value in the standard model at the measured mass.

Replaced with published version

References in corpus (15)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• PYTHIA 6.4 Physics and Manual
• Parton distributions for the LHC
• Matching NLO QCD computations with Parton Shower simulations: the POWHEG method
• New parton distributions for collider physics
• MCFM for the Tevatron and the LHC
• The PDF4LHC Working Group Interim Recommendations
• Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs
• The PDF4LHC Working Group Interim Report
• Limitations and Opportunities of Off-Shell Coupling Measurements
• PHANTOM: a Monte Carlo event generator for six parton final states at high energy colliders
• Beyond Geolocating: Constraining Higher Dimensional Operators in $H\to 4\ell$ with Off-Shell Production and More
• Search for the standard model Higgs boson in the H to ZZ to 2l 2nu channel in pp collisions at sqrt(s) = 7 TeV
• Bounding the Higgs Width Using Effective Field Theory

Cited by in corpus (50)

• Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
• Measurements of properties of the Higgs boson decaying into the four-lepton final state in pp collisions at sqrt(s) = 13 TeV
• Precise QCD predictions for the production of Higgs+jet final states
• Scalar Simplified Models for Dark Matter
• Measurements of the Higgs boson width and anomalous HVV couplings from on-shell and off-shell production in the four-lepton final state
• On the validity of perturbative studies of the electroweak phase transition in the Two Higgs Doublet model
• An Exclusive Window onto Higgs Yukawa Couplings
• Search for a standard model-like Higgs boson in the mu+ mu- and e+ e- decay channels at the LHC
• What's in the Loop? The Anatomy of Double Higgs Production
• WIMP and SIMP Dark Matter from the Spontaneous Breaking of a Global Group
• Constraints on anomalous Higgs boson couplings using production and decay information in the four-lepton final state
• Taming the off-shell Higgs boson
• Production of two Z-bosons in gluon fusion in the heavy top quark approximation
• Measurements of production cross sections of the Higgs boson in the four-lepton final state in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Higgs couplings: disentangling New Physics with off-shell measurements
• CP violating scalar Dark Matter
• QCD radiative corrections for $h\to b\bar{b}$ in the Standard Model Dimension-6 EFT
• Probing the $\mu \nu$SSM with light scalars, pseudoscalars and neutralinos from the decay of a SM-like Higgs boson at the LHC
• Evidence of off-shell Higgs boson production from $ZZ$ leptonic decay channels and constraints on its total width with the ATLAS detector
• $ZZ$ production at nNNLO+PS with MiNNLO${}_{\text{PS}}$
• Interference effects for Higgs-mediated Z-pair plus jet production
• Higgs characterisation in the presence of theoretical uncertainties and invisible decays
• Higgs Boson Plus Dijets: Higher Order Corrections
• Next-to-next-to-leading order event generation for $Z$ boson pair production matched to parton shower
• Four lepton production in gluon fusion: off-shell Higgs effects in NLO QCD
• On-shell interference effects in Higgs final states
• Four-lepton production in gluon fusion at NLO matched to parton showers
• Interference effects in the $H(\to \gamma \gamma )+2$ jets channel at the LHC
• Improving Higgs coupling measurements through ZZ Fusion at the ILC
• Off-shell effects in Higgs processes at a linear collider and implications for the LHC
• Polarized Z bosons from the decay of a Higgs boson produced in association with two jets at the LHC
• Constraining anomalous Higgs boson couplings to virtual photons
• Probing New Physics by the Tail of the Off-shell Higgs in $V_L{V}_L$ Mode
• Off-shell Higgs production at the LHC as a probe of the trilinear Higgs coupling
• Higgs boson couplings: measurements and theoretical interpretation
• Extracting the Top-Quark Width from Non-Resonant Production
• Measurement of the Higgs boson mass and width using the four-lepton final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Tevatron Constraints on Models of the Higgs Boson with Exotic Spin and Parity Using Decays to Bottom-Antibottom Quark Pairs
• Probing Higgs portals with matrix-element based kinematic discriminants in $ZZ\to 4\ell$ production
• Bounding the Higgs width at the LHC
• Inclusive production of Higgs boson in the two-photon channel at the LHC within $k_t$-factorization approach and with the Standard Model couplings
• Determining Higgs boson width at electron-positron colliders
• The Dilaton-like Higgs boson with scalar singlet dark matter
• Exploring $HVV$ amplitudes with $CP$ violation by decomposition and on-shell scattering amplitude methods
• Inert scalar dark matter in an extra dimension inspired model
• Theory Summary and Prospects
• Off-shell effects in Higgs decays to heavy gauge bosons and signal-background interference in Higgs decays to photons at a linear collider
• QCD and High Energy Interactions: Moriond 2014 Theory Summary
• Experimental Summary of the Second Annual Conference on Large Hadron Collider Physics
• Study of systematic errors on the scalar boson mass