Browsing by Subject "Hadron Colliders"
Now showing items 1-20 of 55
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Combination of searches for WW, WZ, and ZZ resonances in pp collisions at s=8 TeV with the ATLAS detector
(Elsevier, 2016-04-10)The ATLAS experiment at the CERN Large Hadron Collider has performed searches for new, heavy bosons decaying to WW, WZ and ZZ final states in multiple decay channels using 20.3 fb(-1) of pp collision data at root s = 8 ... -
Combined search for the standard model higgs boson in pp collisions at root s=7 TeV with the ATLAS detector
(American Physical Society, 2012-08-02)A combined search for the Standard Model Higgs boson with the ATLAS detector at the LHC is presented. The data sets used correspond to integrated luminosities from 4.6 fb(-1) to 4.9 fb(-1) of proton-proton collisions ... -
Combined search for the standard model higgs boson using up to 4.9 fb(-1) of pp collision data at root s=7 TeV with the ATLAS detector at the LHC
(Elsevier, 2012-03-29)A combined search for the Standard Model Higgs boson with the ATLAS experiment at the LHC using datasets corresponding to integrated luminosities from 1.04 fb(-1) to 4.9 fb(-1) of pp collisions collected at root s = 7 TeV ... -
Comprehensive measurements of t-channel single top-quark production cross sections at root S=7 TeV with the ATLAS detector
(American Physical Society, 2014-12-11)This article presents measurements of the t-channel single top-quark (t) and top-antiquark (t¯) total production cross sections σ(tq) and σ(t¯q), their ratio Rt=σ(tq)/σ(t¯q), and a measurement of the inclusive production ... -
Constraints on the off-shell Higgs boson signal strength in the high-mass ZZ and WW final states with the ATLAS detector
(Springer Verlag, 2015-07-17)Measurements of the ZZ and WW final states in the mass range above the 2m(Z) and 2m(W) thresholds provide a unique opportunity to measure the off-shell coupling strength of the Higgs boson. This paper presents constraints ... -
Determination of spin and parity of the higgs boson in the ww* -> ev mu v decay channel with the ATLAS detector
(Springer, 2015-05-27)Studies of the spin and parity quantum numbers of the Higgs boson in the WW* -> ev mu v final state are presented, based on proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider, ... -
Erratum to: Search for production of WW / WZ resonances decaying to a lepton, neutrino and jets in pp collisions at s√=8s=8 TeV with the ATLAS detector
(Springer Verlag, 2015-08-14)A search is presented for narrow diboson resonances decaying to WW or WZ in the final state where one W boson decays leptonically (to an electron or a muon plus a neutrino) and the other W/Z boson decays hadronically. The ... -
Evidence for single top-quark production in the s-channel in proton-proton collisions at root s=8 TeV with the ATLAS detector using the Matrix Element Method
(Elsevier, 2016-05-10)This Letter presents evidence for single top-quark production in the s-channel using proton-proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The analysis is ... -
Fiducial and differential cross sections of higgs boson production measured in the four-lepton decay channel in pp collisions at root s=8 TeV with the ATLAS detector
(Elsevier, 2014-11-10)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 ... -
Fourth SM family and higgs at hadron colliders
(CERN, 2008-09-04)Higgs Boson production at hadron colliders is dominated by gluon-gluon fusion process, hence any change in the cross-section of the gluon-gluon fusion will practically result with the same amount of change on the total ... -
Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector
(Springer, 2011-09)A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb(-1) collected by the ATLAS ... -
Measurement of Higgs boson production in the diphoton decay channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
(American Physical Society, 2014-12-24)A measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 4.5 fb(-1) of proton-proton collisions data at root s = 7 TeV and 20.3 fb(-1) at root s = 8 ... -
Measurement of the t(t)over-bar production cross-section using e mu events with b-tagged jets in pp collisions at root s=7 and 8 TeV with the ATLAS detector
(Springer, 2014-10-29)The inclusive top quark pair (t (t) over tilde) production cross-section sigma(t (t) over bar) has been measured in proton-proton collisions at root s = 7 TeV and root s = 8 TeV with the ATLAS experiment at the LHC, using ... -
Measurement of the top pair production cross section in 8 TeV proton-proton collisions using kinematic information in the lepton plus jets final state with ATLAS
(American Physical Society, 2015-06-24)A measurement is presented of the (tt) over bar inclusive production cross section in pp collisions at a center-ofmass energy of pffisffiffi root s = 8 TeV using data collected by the ATLAS detector at the CERN Large Hadron ... -
Measurement of the transverse momentum distribution of W bosons in pp collisions at root s=7 TeV with the ATLAS detector
(American Physical Society, 2012-01-18)This paper describes a measurement of the W boson transverse momentum distribution using ATLAS pp collision data from the 2010 run of the LHC at root s = 7 TeV, corresponding to an integrated luminosity of about 31 pb(-1). ... -
Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector at the LHC
(Elsevier, 2013-10-07)Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, H -> gamma gamma, H -> ZZ* -> 4l and H -> WW* -> l nu l nu. The results are based ... -
Measurements of Higgs boson production and couplings in the four-lepton channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
(American Physical Society, 2015-01-16)The final ATLAS Run 1 measurements of Higgs boson production and couplings in the decay channel H -> ZZ* -> l(+)l(-)l(+)l'(-), where l, l' = e or mu, are presented. These measurements were performed using pp collision data ... -
Measurements of top-quark pair differential cross-sections in the lepton plus jets channel in pp collisions at root s=8 TeV using the ATLAS detector
(Springer Verlag, 2016-10)Measurements of normalized differential cross-sections of top-quark pair production are presented as a function of the top-quark, t (t) over bar system and event-level kinematic observables in proton-proton collisions at ... -
Observability of the Higgs boson in the presence of extra standard model families at the Tevatron
(Jagellonian University, 2006-11)The observability of the Higgs boson via the WW* decay channel at the Tevatron is discussed taking into account the enhancements due to the possible existence of the extra standard model (SM) families. It seems that the ... -
Observation and measurement of higgs boson decays to ww* with the ATLAS detector
(American Physical Society, 2015-07-16)We report the observation of Higgs boson decays to WW* based on an excess over background of 6.1 standard deviations in the dilepton final state, where the Standard Model expectation is 5.8 standard deviations. Evidence ...