Search results for "Transverse Momentum"

showing 10 items of 1015 documents

Reconciling open charm production at the Fermilab Tevatron with QCD

2005

We study the inclusive hadrodroduction of D^0, D^+, D^{*+}, and D_s^+ mesons at next-to-leading order in the parton model of quantum chromodynamics endowed with universal non-perturbative fragmentation functions (FFs) fitted to e^+e^- annihilation data from CERN LEP1. Working in the general-mass variable-flavor-number scheme, we resum the large logarithms through the evolution of the FFs and, at the same time, retain the full dependence on the charm-quark mass without additional theoretical assumptions. In this way, the cross section distributions in transverse momentum recently measured by the CDF Collaboration in run II at the Fermilab Tevatron are described within errors.

Quarkperturbation theory [quantum chromodynamics]Particle physicsMesoninclusive reaction [anti-p p]High Energy Physics::LatticeTevatronhadroproduction [charmed meson]General Physics and AstronomyFOS: Physical sciencesPartontransverse momentum [differential cross section]High Energy Physics - ExperimentNuclear physicsDGLAP equationHigh Energy Physics - Experiment (hep-ex)High Energy Physics - Phenomenology (hep-ph)Factorizationddc:550Fermilabnumerical calculationsNuclear ExperimentCDF [interpretation of experiments]PhysicsQuantum chromodynamicsAnnihilation1960 GeV-cmsHigh Energy Physics::PhenomenologyD*(2010)nonperturbative [fragmentation function]parton [model]D0High Energy Physics - PhenomenologyD+charm [mass]High Energy Physics::Experiment
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"Table 5" of "Beauty production in pp collisions at $\sqrt{s}$ = 2.76 TeV measured via semi-electronic decays"

2015

The pT-differential inclusive cross section of electrons from beauty hadron decays using the electron-hadron azimuthal correlation method.

Ratidity DependenceElectron production2760.0Rapidity DependenceNuclear TheoryHigh Energy Physics::PhenomenologyInclusiveP P --> e XProton-Proton ScatteringTranseverse Momentum DependenceHigh Energy Physics::ExperimentD2SIG/DPT/DYRAPNuclear ExperimentTransverse Momentum DependenceDouble Differential Cross Section
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Production ofψ(2S)mesons inpp¯collisions at 1.96 TeV

2009

We have measured the differential cross section for the inclusive production of $\ensuremath{\psi}(2\mathrm{S})$ mesons decaying to ${\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}$ that were produced in prompt or $B$-decay processes from $p\overline{p}$ collisions at 1.96 TeV. These measurements have been made using a data set from an integrated luminosity of $1.1\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ collected by the CDF II detector at Fermilab. For events with transverse momentum ${p}_{T}(\ensuremath{\psi}(2\mathrm{S}))g2\text{ }\text{ }\mathrm{GeV}/c$ and rapidity $|y(\ensuremath{\psi}(2\mathrm{S}))|l0.6$ we measure the integrated inclusive cross section $\ensuremath…

Scattering cross-sectionPhysicsNuclear and High Energy PhysicsParticle physicsMeson010308 nuclear & particles physics0103 physical sciencesTransverse momentumHigh Energy Physics::ExperimentProduction (computer science)Rapidity010306 general physics01 natural sciencesPhysical Review D
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Measurement of theb-hadron production cross section using decays toμ−D0Xfinal states inpp¯collisions ats=1.96  TeV

2009

We report a measurement of the production cross section for b hadrons in p{bar p} collisions at {radical}s = 1.96 TeV. Using a data sample derived from an integrated luminosity 83 pb{sup -1} collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, H{sub b}, partially reconstructed in the semileptonic decay mode H{sub b} {yields} {mu}{sup -} D{sup 0} X. Our measurement of the inclusive production cross section for b hadrons with transverse momentum p{sub T} > 9 GeV/c and rapidity |y| < 0.6 is {sigma} = 1.30 {micro}b {+-} 0.05 {micro}b(stat) {+-} 0.14 {micro}b(syst) {+-} 0.07 {micro}b({Beta}), where the uncertainties are statistical, systematic, a…

Semileptonic decayPhysicsNuclear and High Energy PhysicsParticle physics010308 nuclear & particles physicsBranching fractionHadronTevatronSigma01 natural sciences7. Clean energyNuclear physics0103 physical sciencesTransverse momentumHigh Energy Physics::ExperimentRapidityFermilab010306 general physicsPhysical Review D
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"Table 1" of "D_s meson production at central rapidity in proton--proton collisions at sqrt(s) = 7 TeV"

2014

pT-differential inclusive cross section in |y| &lt; 0.5 for prompt D_s^+ meson production in pp collisions at sqrt(s) = 7 TeV.

Strange productionHigh Energy Physics::LatticeAstrophysics::High Energy Astrophysical PhenomenaHigh Energy Physics::Phenomenology7000.0P P --&gt; D/S+ XInclusiveSingle Differential Cross SectionProton-Proton ScatteringCharm productionHigh Energy Physics::ExperimentDSIG/DPTNuclear ExperimentTransverse Momentum Dependence
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Two-particle azimuthal correlations in photonuclear ultraperipheral Pb+Pb collisions at 5.02 TeV with ATLAS

2021

We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina, YerPhI, Armenia, ARC, Australia, BMWFW and FWF, Austria, ANAS, Azerbaijan, SSTC, Belarus, CNPq and FAPESP, Brazil, NSERC, NRC, and CFI, Canada, CERN and ANID, Chile, CAS, MOST, and NSFC, China, COLCIENCIAS, Colombia, MSMT CR, MPO CR, and VSC CR, Czech Republic, DNRF and DNSRC, Denmark, IN2P3-CNRS and CEA-DRF/IRFU, France, SRNSFG, Georgia, BMBF, HGF, and MPG, Germany, GSRT, Greece, RGC and Hong Kong SAR, China, ISF and Benoziyo Center, Israel, INFN, Italy, MEXT and JSPS, Japan, CNR…

Systemgap [rapidity]heavy ion: scattering:Kjerne- og elementærpartikkelfysikk: 431 [VDP]Performanceangular correlation: long-rangeHadronMonte Carlo method01 natural sciencesHigh Energy Physics - ExperimentSubatomär fysikHigh Energy Physics - Experiment (hep-ex)PpCollisionscorrelation function: two-particleSubatomic Physics[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Nuclear Experiment (nucl-ex)Nuclear ExperimentNuclear Experimentcalorimeter: forward spectrometerSettore FIS/01Physicsangular correlation: two-particletwo-particle [correlation function]Large Hadron Collider4. EducationATLAS experimentHeavy-Ion CollisionsMonte Carlo [numerical calculations]ATLASCalorimeterforward spectrometer [calorimeter]CERN LHC Coll:Nuclear and elementary particle physics: 431 [VDP]medicine.anatomical_structureMultiplicityflowPseudorapidityDistributionsLhcnumerical calculations: Monte CarloParticle Physics - Experimentcharged particle: tracks530 PhysicscollectiveFOS: Physical sciencesLHC ATLAS High Energy Physicstransverse momentum[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]Relativistic heavy ionscharged particle: multiplicityNuclear physicsmultiplicity [charged particle]scattering [heavy ion]Atlas (anatomy)long-range [angular correlation]0103 physical sciencesmedicineFluctuationsNuclear Physics - Experimentddc:5305020 GeV-cms/nucleonHigh Energy Physicsperipheral010306 general physicshadron hadron: interactioninteraction [hadron hadron]LHC; Particle Physics; Photonuclear interactionstwo-particle [angular correlation]tracks [charged particle]010308 nuclear & particles physicsFísicaDetectorMultiplicity (mathematics)boundary conditionrapidity: gapcorrelationExperimental High Energy Physicsexperimental resultsModelPhysical Review C
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"Figure 2.6" of "Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV"

2020

Charged hadron mean $$ in each $p_T$ bins used for the $v_n$ measurements in Au+Au collisions at 200 GeV.

V2Mathematics::CombinatoricsV4V3High Energy Physics::PhenomenologypTNUCLEUS NUCLEUS --&gt; CHARGED XQuadrangular Flow200.0Triangular FlowInclusiveElliptic FlowTransverse MomentumAU AU --&gt; CHARGED XComputer Science::Symbolic ComputationHigh Energy Physics::ExperimentNuclear Experiment
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"Figure 2.2" of "Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV"

2020

Charged hadron azimuthal anisotropy $v_2$, $v_3$, and $v_4$ vs $p_T$ in 20-30% central Au+Au collisions at 200 GeV. The mean $$ in each $p_T$ bins used for the $v_n$ measurement is shown in Fig.2.6.

V2V4V3pTNUCLEUS NUCLEUS --&gt; CHARGED XQuadrangular Flow200.0Triangular FlowInclusiveElliptic FlowTransverse MomentumAU AU --&gt; CHARGED XHigh Energy Physics::ExperimentNuclear Experiment
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"Figure 2.4" of "Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV"

2020

Charged hadron azimuthal anisotropy $v_2$, $v_3$, and $v_4$ vs $p_T$ in 40-50% central Au+Au collisions at 200 GeV. The mean $$ in each $p_T$ bins used for the $v_n$ measurement is shown in Fig.2.6.

V2V4V3pTNUCLEUS NUCLEUS --&gt; CHARGED XQuadrangular Flow200.0Triangular FlowInclusiveElliptic FlowTransverse MomentumAU AU --&gt; CHARGED XHigh Energy Physics::ExperimentNuclear Experiment
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"Figure 2.3" of "Measurements of Higher-Order Flow Harmonics in Au+Au Collisions at sqrt(s_NN) = 200 GeV"

2020

Charged hadron azimuthal anisotropy $v_2$, $v_3$, and $v_4$ vs $p_T$ in 30-40% central Au+Au collisions at 200 GeV. The mean $$ in each $p_T$ bins used for the $v_n$ measurement is shown in Fig.2.6.

V2V4V3pTNUCLEUS NUCLEUS --&gt; CHARGED XQuadrangular Flow200.0Triangular FlowInclusiveElliptic FlowTransverse MomentumAU AU --&gt; CHARGED XHigh Energy Physics::ExperimentNuclear Experiment
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