... The ATLASdetector has a three-level trigger system: Level 1 (L1), Level 2 (L2) and Event Filter ...the ATLASdetector. The MBTS are mounted at each end of the detector in front of the ...
... the ATLASdetector at the CERN Large Hadron Collider using an integrated luminosity of 2 : 0 fb 1 of pp collisions recorded at a center-of-mass energy of p ffiffiffi s ¼ 7 TeV ...
... The ATLASdetector [14] at the LHC covers nearly the entire solid angle around the colli- sion ...tracking detector surrounded by a thin superconducting solenoid, electromagnetic and hadronic ...
... The ATLASdetector [15] is a multipurpose particle physics in- strument with a forward–backward symmetric cylindrical geome- try and near 4 π solid angle ...
... The ATLASdetector [27] is a multi-purpose detector with a cylindrical ...inner detector (ID) surrounded by a thin superconducting solenoid, a calorimeter system and an extensive muon ...
... The ATLASdetector [15] at the LHC covers nearly the entire solid angle around the collision point, and consists of an inner tracking detector surrounded by a thin super- conducting solenoid magnet ...
... the ATLAS detec- tor. The results are corrected for detector effects and com- pared with the predictions of various Monte Carlo (MC) event ...the ATLASdetector, and ...
... The precise determination of the electron performance of the ATLASdetector at the LHC is essential both for Standard Model measurements and for searches for Higgs bosons and other new phenomena. Physics ...
... The ATLASdetector at the LHC covers almost the entire solid angle around the collision point with layers of tracking detectors, calorimeters and muon ...inner detector, which consists of a silicon ...
... The ATLASdetector consists of inner tracking devices surrounded by a 2 T superconducting solenoid, electro- magnetic and hadronic calorimeters, and a muon spec- trometer with a toroidal magnetic ...inner ...
... 2009 ATLAS data-taking period was estimated offline based upon the timing distributions measured by the ...the ATLASdetector in the MBTS are ...MBTS detector is used for the absolute ...
... The innermost part of the ATLASdetector [9], a track- ing system in a 2 T axial magnetic field, measures the momentum of the charged particles produced in the colli- sions. Outside of the solenoid are the ...
... 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 ...
... Events are required to contain at least one reconstructed pp collision vertex candidate with at least three associated tracks each with p T > 0 . 4 GeV. The vertex with the largest sum of p 2 T of tracks is considered ...
... by inner tracking devices, which in increasing radii are followed by a superconducting solenoid providing a 2 T magnetic field, a calorimeter system, and a muon spec- trometer. In order of increasing radii, the inner ...
... Electrons and photons entering the LAr calorimeter develop EM showers through their interaction with the lead absorbers. The EM showers ionise the LAr in the gaps between the absorbers. The ionisation electrons drift and ...
... evaluated using the photon energies, the impact points mea- sured in the calorimeter and the production vertex. The pho- ton energy calibration is performed independently for con- verted and unconverted photons. ...
... University at Albany, Albany, NY, United States Department of Physics, University of Alberta, Edmonton, AB, Canada 3 a Department of Physics, Ankara University, Ankara; b Department of P[r] ...