0000000001092118

AUTHOR

Martin T. Fonseca

showing 3 related works from this author

Search for new particles in two-jet final states in 7 TeV proton-proton collisions with the ATLAS detector at the LHC

2010

19 páginas, 2 figuras, 1 tabla.-- et al.(ATLAS Collaboration).

ProtonAtlas detectorPhysics::Instrumentation and DetectorsPhysics beyond the Standard ModelGeneral Physics and AstronomyJet (particle physics)particle physic01 natural sciencesSettore FIS/04 - Fisica Nucleare e SubnucleareHigh Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)12.60.Rcddc:550[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]13.87.CeQCPhysicsPACS numbers: 13.85.Rm 12.60.Rc 13.87.Ce 14.80.-jLarge Hadron ColliderLuminosity (scattering theory)Cross sectionAcceleradors de partículesSettore FIS/01 - Fisica Sperimentale14.80.-jATLASnumbers: 13.85.Rm3. Good healthDijetsmedicine.anatomical_structureComputingMethodologies_DOCUMENTANDTEXTPROCESSINGTWO-JETSLHCParticle Physics - ExperimentjetsFinal stateParticle physicsCiências Naturais::Ciências Físicas:Ciências Físicas [Ciências Naturais]FOS: Physical sciencesddc:500.2530Partícules (Física nuclear)Nuclear physicsCross section (physics)Excited QuarksAtlas (anatomy)0103 physical sciencesmedicine010306 general physicsIntegrated luminosityProton proton collisionsParton Distributions010308 nuclear & particles physicsATLAS detectorsHigh Energy Physics::PhenomenologyFísicaPARTON DISTRIBUTIONS HADRON COLLIDERS EXCITED QUARKS DIJETSHadron CollidersHeavy particlesLHC ; ATLAS ; Collisions ; 7 TeV ; Two jets ; ResonancesExperimental High Energy PhysicsNEW PARTICLESproton-proton collisionsHigh Energy Physics::Experimentcollider
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Charged-particle multiplicities in pp interactions measured with the ATLAS detector at the LHC

2011

Measurements are presented from proton–proton collisions at centre-of-mass energies of \sqrt{s} = 0.9 , 2.36 and 7 TeV recorded with the ATLAS detector at the LHC. Events were collected using a single-arm minimum-bias trigger. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity and the relationship between the mean transverse momentum and charged-particle multiplicity are measured. Measurements in different regions of phase space are shown, providing diffraction-reduced measurements as well as more inclusive ones. The observed distributions are corrected to well-defined phase-space regions, using model-independent corrections. The results are compared…

Atlas detectorMonte Carlo methodLarge hadron colliderNuclear physicsGeneral Physics and Astronomy01 natural sciencesTransverse-Momentum SpectraHigh Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)Pseudorapidity[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]CollisionsQANuclear ExperimentTransverse momentumQCPhysicsLarge Hadron ColliderPhysicsSettore FIS/01 - Fisica SperimentaleParticle physicsATLAS detector; LHC; pp collisionsATLASSquare-Root-SMonte carlo methodCharged particle3. Good healthPseudorapidityddc:540ComputingMethodologies_DOCUMENTANDTEXTPROCESSINGTsallis distributionFísica nuclearDistributionsLHCpp collisionsParticle Physics - ExperimentParticle physicsCiências Naturais::Ciências FísicasAtlas detector:Ciências Físicas [Ciências Naturais]FOS: Physical sciencesCharged particleInclusive production with identified hadronsPhase spaceddc:500.2530Nuclear physics0103 physical sciencesddc:530High Energy Physics010306 general physicsATLAS detector010308 nuclear & particles physicsFísicaMultiplicity (mathematics)Perturbative calculationsMultiplicity (mathematics)pp interactions; LHC; ATLAS detectorPhase spaceHADRON-HADRON COLLISIONSExperimental High Energy PhysicsCM EnergiesTevHigh Energy Physics::ExperimentCollider
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A search for new physics in dijet mass and angular distributions in pp collisions at [subscript √s=7] TeV measured with the ATLAS detector

2011

A search for new interactions and resonances produced in LHC proton–proton (pp) collisions at a centre-of-mass energy ps = 7 TeV was performed with the ATLAS detector. Using a dataset with an integrated luminosity of 36 pb−1, dijet mass and angular distributions were measured up to dijet masses of 3.5 TeV and were found to be in good agreement with Standard Model predictions. This analysis sets limits at 95% CL on various models for new physics: an excited quark is excluded for mass between 0.60 and 2.64 TeV, an axigluon hypothesis is excluded for axigluon masses between 0.60 and 2.10 TeV and quantum black holes are excluded in models with six extra space–time dimensions for quantum gravity…

QuarkParticle physicsChiral ColorCiências Naturais::Ciências FísicasPhysics beyond the Standard ModelAstrophysics::High Energy Astrophysical Phenomena:Ciências Físicas [Ciências Naturais]General Physics and AstronomyFOS: Physical sciencesddc:500.2dijet; mass; pp collisionts; ATLAS detector5307. Clean energy01 natural sciencesStandard ModelHigh Energy Physics - ExperimentNuclear physicsHigh Energy Physics - Experiment (hep-ex)Atlas (anatomy)Chiral color0103 physical sciencesmedicine[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]String resonance010306 general physicsPhysicsQuantum chromodynamicsLarge Hadron ColliderScience & Technology010308 nuclear & particles physicsParton DistributionsSettore FIS/01 - Fisica SperimentaleHigh Energy Physics::PhenomenologyFísicaHadron CollidersQCDmedicine.anatomical_structureExperimental High Energy Physicsddc:540ComputingMethodologies_DOCUMENTANDTEXTPROCESSINGQuarkFísica nuclearHigh Energy Physics::ExperimentParticle Physics - Experiment
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