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Observation of Kα. X-ray satellites from a target heated by an intense ion beam

Published online by Cambridge University Press:  09 March 2009

J. Bailey ,
A. L. Carlson ,
G. Chandler ,
M. S. Derzon ,
R. J. Dukart ,
B. A. Hammel ,
D. J. Johnson ,
T. R. Lockner ,
J. Maenchen  and
E. J. McGuire
...Show all authors
J. Bailey
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
A. L. Carlson
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
G. Chandler
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
M. S. Derzon
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
R. J. Dukart
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
B. A. Hammel
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
D. J. Johnson
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
T. R. Lockner
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
J. Maenchen
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
E. J. McGuire
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
T. A. Mehlhorn
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
W. E. Nelson
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
L. E. Ruggles
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
W. A. Stygar
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
D. F. Wenger
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
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Abstract

We have made the first observation of Kα X-ray satellites from a target heated by an intense ion beam. The satellites are produced when thermal ionization due to beam heating is accompanied by inner-shell ionization from beam ion impact. The Particle Beam Fusion Accelerator II was used to irradiate a conical aluminum target with a proton beam. The nominal beam parameters were 50–75 kJ in a 1-cm spot, 15–20-ns pulse length, and 4–5-MeV protons at peak power. An elliptical crystal X-ray spectrograph inside a 1000-kg tungsten shield was used to record the spectra. The peak ion stage reached by the aluminum target was +8. Collisional radiative calculations were performed, which indicate a peak electron temperature of 20–60 eV.

Type
Research Article
Information
Laser and Particle Beams , Volume 8 , Issue 4 , December 1990 , pp. 555 - 562
Copyright
Copyright © Cambridge University Press 1990

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