0000000000476742

AUTHOR

S. Akhmadaliev

showing 2 related works from this author

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method

2002

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part) in the framework of the non-parametrical method. The non-parametrical method utilizes only the known $e/h$ ratios and the electron calibration constants and does not require the determination of any parameters by a minimization technique. Thus, this technique lends itself to an easy use in a first level trigger. The reconstructed mean values of the hadron energies are within $\pm 1%$ of the true values and the fractional energy resolution is $[(58\pm3)% /\sqrt{E}+(2.5\pm0.3)%]\oplus (1.7\pm0.2)/E…

Nuclear and High Energy PhysicsParticle physicsPhysics::Instrumentation and DetectorsHadronFOS: Physical scienceschemistry.chemical_elementCalorimetryElectronCalorimetry01 natural sciencesPartícules (Física nuclear)High Energy Physics - ExperimentEnergy measurementNuclear physicsHigh Energy Physics - Experiment (hep-ex)PionShower counter0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Computer data analysis[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]Combined calorimeterDetectors and Experimental Techniques010306 general physicsNuclear ExperimentInstrumentationPhysicsLarge Hadron ColliderArgon010308 nuclear & particles physicsSHOWER DEVELOPMENT; RESOLUTIONSHOWER DEVELOPMENTCalorimeterRESOLUTIONchemistryScintillation counterHigh Energy Physics::ExperimentCompensation
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Measurement of the H2(p,γ)He3 S factor at 265–1094 keV

2021

Recent astronomical data have provided the primordial deuterium abundance with percent precision. As a result, big bang nucleosynthesis may provide a constraint on the universal baryon to photon ratio that is as precise as, but independent from, analyses of the cosmic microwave background. However, such a constraint requires that the nuclear reaction rates governing the production and destruction of primordial deuterium are sufficiently well known. Here, a new measurement of the 2H(p,γ)3He cross-section is reported. This nuclear reaction dominates the error on the predicted big bang deuterium abundance. A proton beam of 400–1650 keV beam energy was incident on solid titanium deuteride targe…

vetyastrofysiikkaalkuräjähdysheliumNuclear Experimentydinfysiikka
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