0000000000214599

AUTHOR

Vladimir Datskov

showing 5 related works from this author

Evaluation of the local hadronic calibration with combined beam-test data for the endcap and forward calorimeters of ATLAS in the pseudorapidity regi…

2012

Abstract The local hadronic calibration scheme developed for the reconstruction and calibration of jets and missing transverse energy in ATLAS has been evaluated using data obtained during combined beam tests of modules of the ATLAS liquid argon endcap and forward calorimeters. These tests covered the pseudorapidity range of 2.5 | η | 4.0 . The analysis has been performed using special sets of calibration weights and corrections obtained with the G eant 4 simulation of a detailed beam-test setup. The evaluation itself has been performed through the careful study of specific calorimeter performance parameters such as e.g. energy response and resolution, shower shapes, as well as different ph…

PhysicsNuclear and High Energy PhysicsParticle physicsPhysics::Instrumentation and DetectorsATLAS experimentCalorimeterNuclear physicsmedicine.anatomical_structureAtlas (anatomy)PseudorapiditymedicineCalibrationMeasuring instrumentHigh Energy Physics::ExperimentRapidityInstrumentationTest dataNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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Performance of the ATLAS liquid argon endcap calorimeter in the pseudorapidity region in beam tests

2008

Abstract The pseudorapidity region 2.5 | η | 4.0 in ATLAS is a particularly complex transition zone between the endcap and forward calorimeters. A set-up consisting of 1 4 resp. 1 8 of the full azimuthal acceptance of the ATLAS liquid argon endcap and forward calorimeters has been exposed to beams of electrons, pions and muons in the energy range E ⩽ 200 GeV at the CERN SPS. Data have been taken in the endcap and forward calorimeter regions as well as in the transition region. This beam test set-up corresponds very closely to the geometry and support structures in ATLAS. A detailed study of the performance in the endcap and forward calorimeter regions is described. The data are compared wit…

PhysicsNuclear and High Energy PhysicsParticle physicsMuonLarge Hadron ColliderPhysics::Instrumentation and Detectors010308 nuclear & particles physics01 natural sciencesCalorimeterNuclear physicsmedicine.anatomical_structurePionAtlas (anatomy)Pseudorapidity0103 physical sciencesmedicineCathode rayHigh Energy Physics::ExperimentNuclear Experiment010306 general physicsInstrumentationBeam (structure)Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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Hadronic calibration of the ATLAS liquid argon end-cap calorimeter in the pseudorapidity region in beam tests

2004

Abstract A full azimuthal φ -wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV ⩽ E ⩽ 200 GeV at the CERN SPS. The angular region studied corresponds to the ATLAS impact position around the pseudorapidity interval 1.6 | η | 1.8 . The beam test setup is described. A detailed study of the performance is given as well as the related intercalibration constants obtained. Following the ATLAS hadronic calibration proposal, a first study of the hadron calibration using a weighting ansatz is presented. The results are compared to predictions from Monte Carlo simulations, based on GEANT 3 and GEANT 4 models.

GEANT-3PhysicsNuclear and High Energy PhysicsParticle physicsLarge Hadron ColliderPhysics::Instrumentation and Detectors010308 nuclear & particles physicsMonte Carlo methodHadron01 natural sciences7. Clean energyCalorimeterNuclear physicsmedicine.anatomical_structureAtlas (anatomy)Pseudorapidity0103 physical sciencesmedicineHigh Energy Physics::ExperimentNuclear Experiment010306 general physicsInstrumentationBeam (structure)Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter

2006

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification tests of the calorimeter before installation in the LHC ATLAS pit are given.

CryostatPhysicsNuclear and High Energy PhysicsLarge Hadron ColliderCalorimeter (particle physics)Physics::Instrumentation and Detectors010308 nuclear & particles physicsBarrel (horology)Mechanical engineeringCryogenics01 natural sciencesNuclear physicsElectromagnetic calorimetermedicine.anatomical_structureAtlas (anatomy)0103 physical sciencesQualification testing[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]medicinePhysics::Accelerator PhysicsHigh Energy Physics::ExperimentNuclear Experiment010306 general physicsInstrumentationParticle Physics - ExperimentNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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Performance of the ATLAS Hadronic End-Cap Calorimeter in Beam Tests

2001

Abstract Modules of the ATLAS liquid argon Hadronic End-cap Calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6⩽ E ⩽200 GeV at the CERN SPS. A description of the HEC and of the beam test setup are given. Results on the energy response and resolution are presented and compared with simulations. The ATLAS energy resolution for jets in the end-cap region is inferred and meets the ATLAS requirements.

PhysicsNuclear and High Energy PhysicsRange (particle radiation)Particle physicsLarge Hadron ColliderCalorimeter (particle physics)Physics::Instrumentation and DetectorsLinear particle acceleratorNuclear physicsmedicine.anatomical_structurePionAtlas (anatomy)medicineMeasuring instrumentPhysics::Accelerator PhysicsHigh Energy Physics::ExperimentDetectors and Experimental TechniquesNuclear ExperimentInstrumentationBeam (structure)
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