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Higgs boson

Search for exotic decays of a Higgs boson into undetectable particles and one or more photons

Search for exotic decays of a Higgs boson into undetectable particles and one or more photons

... Various background processes lead to the signal signatures and are estimated from simulation or from control samples in data. The dominant background processes are from γ + jets events and diboson events in the ggH and ...

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Search for the associated production of the Higgs boson with a top-quark pair

Search for the associated production of the Higgs boson with a top-quark pair

... The statistical methodology employed for these results is identical to that used for other CMS Higgs boson analyses. More details can be found in Ref. [9]. In brief, a binned likelihood span- ning all ...

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Evidence for the direct decay of the 125 GeV Higgs boson to fermions

Evidence for the direct decay of the 125 GeV Higgs boson to fermions

... a Higgs boson decaying into a bb quark pair is reported in ...of Higgs bosons in this decay channel is extremely hard to exploit due to the overwhelming direct production of bb quark pairs, as ...

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Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at $\sqrt{s} = 13$ $\,\text {TeV}$

Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at $\sqrt{s} = 13$ $\,\text {TeV}$

... the Higgs boson (H) at the CERN LHC [1–3] represents a milestone in the understanding of the standard model (SM) of particle ...vector boson (V = W or Z) and a Higgs ...composite Higgs ...

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Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons

Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons

... SM Higgs bosons decaying to a τ-lepton pair have been performed at the LEP, Tevatron, and LHC ...the Higgs boson production cross section times branching ratio at the 95% confidence level ...

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Observation of Higgs boson decay to bottom quarks

Observation of Higgs boson decay to bottom quarks

... efficient identification of b jets, better dijet mass resolution, and the use of different multivariate discriminant techniques that better separate signal from background. For each channel, a signal region enriched in ...

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Search for a fermiophobic Higgs boson in $pp$ collisions at $\sqrt{s}=7$ TeV

Search for a fermiophobic Higgs boson in $pp$ collisions at $\sqrt{s}=7$ TeV

... In the WW decay channels, the events are characterised by the presence of two opposite sign, isolated high p T leptons from the W decay, together with large missing transverse energy (E miss T ) due to undetected ...

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Search for a charged Higgs boson in pp collisions at $ \sqrt{s}=8 $ TeV

Search for a charged Higgs boson in pp collisions at $ \sqrt{s}=8 $ TeV

... charged Higgs boson decay smears the expected Jacobian peak somewhat, but leaves the kinematic edge at the charged Higgs boson mass ...

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Inclusive search for a highly boosted Higgs boson decaying to a bottom quark-antiquark pair

Inclusive search for a highly boosted Higgs boson decaying to a bottom quark-antiquark pair

... To isolate the Higgs boson signal, a high- p T signal jet is required. Combinations of several online selections are used, all requiring the total hadronic transverse energy in the event ( H T ) or jet p T ...

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Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos, and b quarks

Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos, and b quarks

... each boson would generate a pair of collimated particles, a distinctive signature, which can be well identified in the CMS ...momentum Higgs bosons to bb final states is considered. The Higgs ...

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Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector

Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS detector

... the Higgs boson to fermions and the proportionality of its strength to mass [ 15 ...to Higgs bosons produced in modes which have a more distinct signature but a lower cross-section, such as H ...

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Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

... the Higgs boson predicted in the standard model (SM) [3–5] of particle ...vector boson pairs (WW and ZZ), where at least one of the vector bosons is off mass ...

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Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

... photon, Higgs boson, fermiophobic Several extensions of the Standard Model (SM) have been proposed in which the Higgs field couplings to some or all fermion generations are substantially sup- ...

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Measurement of the properties of a Higgs boson in the four-lepton final state

Measurement of the properties of a Higgs boson in the four-lepton final state

... SM Higgs boson mass performed under the assumption that its width is much smaller than the detector resolution, for the single chan- nels, combining 7 and 8 TeV data, and for the combination of all the ...

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A search for a doubly-charged Higgs boson in $pp$ collisions at $\sqrt{s}=7$ TeV

A search for a doubly-charged Higgs boson in $pp$ collisions at $\sqrt{s}=7$ TeV

... doubly-charged Higgs boson at the Com- pact Muon Solenoid (CMS) experiment are presented, based on a dataset corresponding to an integrated luminosity of ...

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Study of the Mass and Spin-Parity of the Higgs Boson Candidate Via Its Decays to Z Boson Pairs

Study of the Mass and Spin-Parity of the Higgs Boson Candidate Via Its Decays to Z Boson Pairs

... We then fit the observed data in a two-dimensional plane of D PS or D GS versus D SB in the mass range 106 < m 4 ` < 141 GeV and obtain the likelihood values L 1 and L 2 for two hypotheses of each signal type plus ...

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Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks

Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks

... vector boson and Higgs boson reconstruc- tion criteria described above together with the requirements listed in Table ...different Higgs boson mass hypotheses, an event BDT discriminant ...

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Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons

Evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons

... SM Higgs bosons decaying to a τ -lepton pair have been performed at the LEP, Tevatron, and LHC ...the Higgs boson production cross section times branching fraction, denoted as σ × B, at the 95% ...

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Search for the standard model Higgs boson produced through vector boson fusion and decaying to $b \overline{b}$

Search for the standard model Higgs boson produced through vector boson fusion and decaying to $b \overline{b}$

... SM Higgs boson produced in vector boson fusion and decaying to bb with two data samples of pp collisions at √ s = 8 TeV collected with the CMS detector at the LHC corresponding to integrated ...

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Search for the Standard Model Higgs boson decay to mu(+)mu(-) with the {ATLAS} detector

Search for the Standard Model Higgs boson decay to mu(+)mu(-) with the {ATLAS} detector

... SM Higgs boson of mass m H = 125 GeV are taken from ...the Higgs boson p T spectrum arising from missing higher-order corrections, is determined by varying the QCD renor- malisation, ...

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