Strong Enhancement of Dd-Reaction Accompanied by X-Ray Generation in a Pulsed Low Voltage High-Current Deuterium Glow Discharge with a Titanium Cathode

Details Strong Enhancement of Dd-Reaction Accompanied by X-Ray Generation in a Pulsed Low Voltage High-Current Deuterium Glow Discharge with a Titanium Cathode Strong Enhancement of Dd-Reaction Accompanied by X-Ray Generation in a Pulsed Low Voltage High-Current Deuterium Glow Discharge with a Titanium Cathode

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cmns.conf..635l&link_type=abstract

CONDENSED MATTER NUCLEAR SCIENCE. Proceedings of the 10th International Conference on Cold Fusion. Held 24-29 August 2003 in Roy

Physics

Condensed Matter

Scientific paper

Using noiseless solid-state CR-39 plastic track and Al2O3:C thermo-luminescent detectors, the yields of 3.0 MeV protons from DD-reaction and soft x-ray photons emitted from the cathode were studied in the periodic pulsing deuterium glow discharge with titanium cathodes at low discharge voltages (in the range 0.8-2.5 kV) and high current density (300-600 mA/cm2). The analysis of DD-proton yield versus accelerating voltages allowed us to estimate the deuteron screening potential value US in the deuteron energy range of 0.8 < Ed < 2.45 keV. A strong DD-reaction enhancement was found in the glow discharge (the effective screening potential Ue = 610 ± 150 eV was found) compared to that for accelerator experiments at higher deuteron energies (Elab ≥ 2.5 keV) and lower beam current density (50-500 μA/cm2). X-ray measurements showed an intense (Ix = 1013 - 1014 s-1cm-2) soft x-ray emission (with a mean energy Ex = 1.2 - 1.5 keV) directly from the titanium cathode. The x-ray yield is strongly dependent on the deuterium diffusivity in the near the surface layer of cathode.

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