0000000000402242

AUTHOR

C. K. Xu

showing 2 related works from this author

Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

2013

A search for new phenomena in events with a high-energy jet and large missing transverse momentum is performed using data from proton-proton collisions at √s = 7 TeV with the ATLAS experiment at the Large Hadron Collider. Four kinematic regions are explored using a dataset corresponding to an integrated luminosity of 4.7 fb[superscript −1]. No excess of events beyond expectations from Standard Model processes is observed, and limits are set on large extra dimensions and the pair production of dark matter particles.

Nuclear and High Energy PhysicsParticle physicsCiências Naturais::Ciências FísicasPhysics beyond the Standard Model:Ciências Físicas [Ciências Naturais]Dark matterFOS: Physical sciencesATLAS experimentddc:500.2Hadron-hadron scattering5307. Clean energy01 natural sciencesdark matterHigh Energy Physics - ExperimentNuclear physicsHigh Energy Physics - Experiment (hep-ex)Pion0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Fysikddc:530High Energy PhysicsDetectors and Experimental Techniques010306 general physicsNuclear ExperimentQCCiencias ExactasHadron-Hadron Scattering; Nuclear and High Energy PhysicsPhysicsScience & TechnologyLarge Hadron Collider010308 nuclear & particles physicsAtlas (topology)Settore FIS/01 - Fisica SperimentaleATLAS experimentFísicaNEW PHYSICSATLASPair productionHADRON-HADRON COLLISIONSExperimental High Energy PhysicsPhysical SciencesComputingMethodologies_DOCUMENTANDTEXTPROCESSINGLarge extra dimensionproton-proton collisionsHigh Energy Physics::ExperimentLHCParticle Physics - Experiment
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Search for nonpointing photons in the diphoton andETmissfinal state ins=7  TeVproton-proton collisions using the ATLAS detector

2013

A search has been performed for photons originating in the decay of a neutral long-lived particle, exploiting the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction of photons, as well as the calorimeter's excellent time resolution. The search has been made in the diphoton plus missing transverse energy final state, using the full data sample of 4.8 fb(-1) of 7 TeV proton-proton collisions collected in 2011 with the ATLAS detector at the LHC. No excess is observed above the background expected from Standard Model processes. The results are used to set exclusion limits in the context of gauge mediated supersymmetry breaking models, with…

PhysicsNuclear and High Energy PhysicsParticle physicsPhotonLarge Hadron ColliderPhysics::Instrumentation and Detectors010308 nuclear & particles physicsAtlas (topology)Atlas detectorHigh Energy Physics::Phenomenology01 natural sciencesSupersymmetry breakingNuclear physicsTransverse plane0103 physical sciencesNeutralinoHigh Energy Physics::ExperimentGravitino010306 general physicsPhysical Review D
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