Production of a Li[sup -] ion beam from a thermal contact-ionization plasma source

Fukuura, Y.; Murakami, K.; Masuoka, T.; Katsumata, I.
March 1996
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1199
Academic Journal
Examines the production of a negative lithium (Li) ion beam from a thermal contact-ionization plasma source. Components of the plasma source; Intensity of the negative ion current; Ion species analysis using time-of-flight technique.


Related Articles

  • Evolution of a Maxwellian plasma driven by ion-beam-induced ionization of a gas. Oliver, B.V.; Ottinger, P.F.; Rose, D.V. // Physics of Plasmas;Sep96, Vol. 3 Issue 9, p3267 

    Investigates the ionization of gas by intense ion beams for the purpose of obtaining scaling relations for the rate of rise of the electron density, temperature and conductivity of the resulting plasma. Study of various gases including helium, nitrogen and argon at pressures of order one torr;...

  • Photoresonant plasma as an emitter of negative ions. Gorshkov, O. A.; Rizakhanov, R. N. // Review of Scientific Instruments;Apr92, Vol. 63 Issue 4, p2466 

    A new method of negative ion beam production is examined. We propose the use of the photoresonant plasma created in a mixture of an electronegative gas and alkaline metal vapor as an emitter of negative ions. It is shown theoretically that practical laser light power can provide the production...

  • Isotope effects in an electron beam excited negative ion source. Fukumasa, Osamu; Nishimura, Hideki // Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1396 

    Discusses results of experiments studying the production of D[sup -] ion beams and its isotopic effects. Dependence of negative ion currents on the discharge current; Comparison of negative ion current in deuterium versus hydrogen; Electron energy distribution functions for hydrogen and...

  • Multiple delivery cesium oven system for negative ion sources. Bansal, G.; Bhartiya, S.; Pandya, K.; Bandyopadhyay, M.; Singh, M. J.; Soni, J.; Gahlaut, A.; Parmar, K. G.; Chakraborty, A. // Review of Scientific Instruments;Feb2012, Vol. 83 Issue 2, p02B118 

    Distribution of cesium in large negative ion beam sources to be operational in ITER, is presently based on the use of three or more cesium ovens, which operate simultaneously and are controlled remotely. However, use of multiple Cs ovens simultaneously is likely to pose difficulties in operation...

  • Ballistic cross-field ion beam propagation in a magnetoplasma. Papadopoulos, K.; Mankofsky, A.; Davidson, R. C.; Drobot, A. T. // Physics of Fluids B: Plasma Physics;Apr91, Vol. 3 Issue 4, p1075 

    Long range cross-field ion beam propagation in a magnetoplasma has been studied in the high kinetic beta regime by using computer simulations and analytic techniques. A new regime of long range ballistic beam propagation has been discovered for narrow high-density beams. Ion beams with...

  • Upconversion of lower-hybrid waves by gyrating ion beams in a plasma. Sharma, O. P.; Patel, V. L. // Physics of Fluids (00319171);Nov85, Vol. 28 Issue 11, p3328 

    A gyrating ion beam, with ring shape distribution in velocity space, supports negative energy modes near the harmonics of beam gyrofrequency. An investigation of the nonlinear interaction of high-frequency lower-hybrid waves with the negative energy beam cyclotron mode is made. A nonlinear...

  • Final focusing of intense ion beams with radially nonuniform current density z discharges. Watrous, J. J.; Ottinger, P. F. // Physics of Fluids B: Plasma Physics;Dec89, Vol. 1 Issue 12, p2470 

    The spot size and focal length of a one-eighth betatron wavelength final focusing cell with a nonuniform current density distribution are predicted. The final focusing cell is modeled with an azimuthal magnetic field distribution that varies as rN. A Lie transform method is used to determine the...

  • Nonlinear charge and current neutralization of an ion beam pulse in a pre-formed plasma. Kaganovich, Igor D.; Shvets, Gennady; Startsev, Edward; Davidson, Ronald C. // Physics of Plasmas;Sep2001, Vol. 8 Issue 9 

    The propagation of a high-current finite-length ion beam in a cold pre-formed plasma is investigated. The outcome of the calculation is the quantitative prediction of the degree of charge and current neutralization of the ion beam pulse by the background plasma. The electric and magnetic fields...

  • Steady-state erosion of propagating ion beams. Rose, D. V.; Genoni, T. C.; Welch, D. R. // Physics of Plasmas;Mar2002, Vol. 9 Issue 3, p1053 

    A steady-state analytic model of beam erosion is presented and compared with two-dimensional hybrid particle-in-cell simulations of 100 MeV to 2 GeV proton beams propagating in a dense background gas. The analytic model accounts for nonzero beam erosion front velocities and the finite energies...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics