Deuteron-deuteron fusion in laser-driven counter-streaming collisionless plasmas

Collisionless shockwaves formed by counter- streaming laser-produced plasmas

The interaction between two counter-streaming laser-produced plasmas is investigated using the high-power Shenguang II laser facility. The shockwaves observed in our experiment are believed to be excited by collisionless mechanisms. The dimensionless parameters calculated with the results suggest that it is possible to scale the observation to the supernova remnants using transformation and sim...

Collisionless Shock Wave Generation in Counter-Streaming Plasmas Using Gekko XII

Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita 565-0871, Japan 1)Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita 565-0871, Japan 2)Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Japan 3)Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8579, Japan 4)Department of Ph...

Cluster-impact fusion and effective deuteron temperature.

Weak collisionless shocks in laser-plasmas

We obtain a theory describing laminar shock-like structures in a collisionless plasma and examine the parameter limits, in terms of the ion sound Mach number and the electron/ion temperature ratio, within which these structures exist. The essential feature is the inclusion of …nite ion temperature with the result that some ions are re‡ected from a potential ramp. This destroys the symmetry betw...

Deuteron Fusion Experiment with Ti and Pd Foils Implanted with Deuteron Beams II

Deuteron implantation experiments on Ti and Pd foils have been made for the examination of the “cold” deuteron fusion reaction. In the center of a target chamber fitted to a 300 keV deuteron accelerator, a Ti or Pd foil sample was set to face toward 3 nsec pulsed deuteron beams collimated with a 3 mm diameter aperture. A Si-SSD was placed behind the foil to detect high energy charged particles ...