Ara
Toplam kayıt 53, listelenen: 41-53
Search for a heavy neutral particle decaying into an electron and a muon using 1 fb−1 of ATLAS data
(2011)
A search is presented for a high mass neutral particle that decays directly to the e±μ∓ final state. The data sample was recorded by the ATLAS detector in √ s = 7 TeV pp collisions at the LHC from March to June 2011 and ...
Measurement of the W charge asymmetry in the W → μν decay mode in pp collisions at √s = 7 TeV with the ATLAS detector ✩
(2011)
This Letter reports a measurement of the muon charge asymmetry from W bosons produced in proton–proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS experiment at the LHC. The asymmetry is measured in the ...
Measurement of W γ and Zγ production in proton-proton collisions at √s = 7 TeV with the ATLAS detector
(2011)
We present studies of W and Z bosons with associated high energy photons produced in pp collisions at √s = 7TeV. The analysis uses 35 pb γ + X) event candidates are selected. The kinematic distributions of the leptons and ...
Measurements of underlying-event properties using neutral and charged particles in pp collisions at √s = 900 GeV and √s = 7 TeV with the ATLAS detector at the LHC
(2011)
We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were ...
Search for stable hadronising squarks and gluinos with the ATLAS experiment at the LHC ✩
(2011)
Hitherto unobserved long-lived massive particles with electric and/or colour charge are predicted by a range of theories which extend the Standard Model. In this Letter a search is performed at the ATLAS experiment for ...
Studies of the performance of the ATLAS detector using cosmic-ray muons
(2011)
Muons from cosmic-ray interactions in the atmosphere provide a high-statistics source of particles that can be used to study the performance and calibration of the ATLAS detector. Cosmic-ray muons can penetrate to the ...
Search for a heavy gauge boson decaying to a charged lepton and a neutrino in 1 fb−1 of pp collisions at √s = 7 TeV using the ATLAS detector
(2011)
The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (W'), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of ...
Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC ✩,✩✩
(2010)
The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy ...
Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s = 7 TeV
(2012)
A measurement of event shape variables is presented for large momentum transfer proton-proton collisions using the ATLAS detector at the Large Hadron Collider. Six event shape variables calculated using hadronic jets are ...
Search for a Standard Model Higgs boson in the mass range 200–600 GeV in the H → Z Z → +−qq¯ decay channel with the ATLAS detector
(2012)
A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−qq¯, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7 TeV, corresponding to an integrated luminosity of 4.7 fb−1 collected ...
Search for a standard model Higgs boson in the H → ZZ → +−νν¯ decay channel using 4.7 fb−1 of √s = 7 TeV data with the ATLAS detector ✩
(2012)
A search for a Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−νν¯ where ℓ represents electrons or muons, is presented. It is based on proton-proton collision data at s=7 TeV, collected by the ATLAS experiment at the LHC ...
Measurement of W γ and Zγ production cross sections in pp collisions at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector ✩
(2012)
This Letter presents measurements of l±νγ and l+l−γ (l=e,μ) production in 1.02 fb−1 of pp collision data recorded at s=7 TeV with the ATLAS detector at the LHC in the first half of 2011. Events dominated by Wγ and Zγ ...
Search for top and bottom squarks from gluino pair production in final states with missing transverse energy and at least three b-jets with the ATLAS detector
(2012)
This letter reports the results of a search for top and bottom squarks from gluino pair production in 4.7 fb−1of pp collisions at √s = 7 TeV using the ATLAS detector at the LHC. The search is performed in events with large ...