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Experimental investigation of <i>dd</i> reaction in range of ultralow energies using <i>Z</i>-pinch
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2000
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EngineeringNuclear PhysicsNuclear DataSolid-state ChemistryFusion MaterialsNuclear MaterialsInstrumentationConfidence LevelElectrical EngineeringChemical ThermodynamicsHigh-energy Nuclear ReactionExperimental InvestigationPhysicsEnergy RangeNeutron SourceAtomic PhysicsQuantum ChemistryNuclear EngineeringUltralow EnergiesExperimental Nuclear PhysicsThermal NeutronsNatural SciencesApplied PhysicsNeutron ScatteringChemical Kinetics
Experimental results on measurement of dd -reaction cross sections in the energy range of 0.1–1.5 keV using the Z -pinch technique are presented. The experiment was fulfilled at the high current generator of the High-Current Electronics Institute, city of Tomsk, Russia. The dd -fusion neutrons were registered by time-of-flight scintillator detectors and BF 3 detectors of thermal neutrons. The estimates were obtained at 90% of the confidence level for the upper limits of the neutron-producing dd -reaction cross sections for average deuteron collision energies of 0.11, 0.34, 0.37, and 1.46 keV. These results substantiate feasibility to get a cross section magnitude for dd -reaction in the range of the collision energy of 0.8–3 keV using similar technology at the pulse current level of 2–3 MA.