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Title: ArII - ArXVI produced in slow recoil collisions

Conference ·
OSTI ID:5889599

An atom in a gaseous target may be highly ionized in a single collision with a (very fast) very highly ionized projectile. A feature of the kinematics of the collision is that very little kinetic energy is imparted to the target atom. The ion is produced as a slow recoil. Typical recoil energies are 1 eV and change little with the degree of ionization produced in the target. This has several very attractive features as a spectroscopic source. First, the spectra are free from Doppler shifts which depend upon the degree of ionization of the atom, and, second, all of the ionization states produced in the target have the same spatial distribution. This allows reference lines from low ionization states to be reliably used to calibrate the spectra from high ionization states.

Research Organization:
Lawrence Berkeley Lab., CA (USA)
DOE Contract Number:
AC03-76SF00098
OSTI ID:
5889599
Report Number(s):
LBL-16424; CONF-830936-1; ON: DE83016704
Resource Relation:
Conference: Symposium on atomic spectroscopy (SAS-83), Berkeley, CA, USA, 12 Sep 1983
Country of Publication:
United States
Language:
English