Atomic collisions with relativistic heavy ions. VI. Radiative processes

Journal Article · Tue Apr 01 04:00:00 EST 1986 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.33.2270· OSTI ID:6097830

Anholt, R; Stoller, C; Molitoris, J D; Spooner, D W; Morenzoni, E; Andriamonje, S A; Meyerhof, W E; Bowman, H; Xu, J; Xu, Z

Besides characteristic target and projectile x rays, x-ray continua and radiative-electron-capture photons are seen in collisions with relativistic heavy ions ranging in energy from 82 to 422 MeV/amu and in atomic number from Xe to U. The angular distribution, centroid energy, cross section, and line shape of the broad radiative-electron-capture lines are analyzed. The observed continua are due to primary- and secondary-electron bremsstrahlung. In the projectile frame, primary bremsstrahlung is the radiative scattering of incident target electrons from the projectile nucleus. The continuum cross sections and angular distributions are calculated, and are compared with experiment. Secondary-electron bremsstrahlung, due to the radiative scattering of ionized target electrons from other target nuclei, is target-thickness dependent, and the cross section increases roughly with the square of the target atomic number. The calculated primary-electron bremsstrahlung cross sections are lower than experiment.

• Research Organization: Department of Physics, Stanford University, Stanford, California 94305-2196
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 6097830
• Journal Information: Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 33:4; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANGULAR DISTRIBUTION
ATOM COLLISIONS
BEAMS
BREMSSTRAHLUNG
CHARGED PARTICLES
COLLISIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ENERGY RANGE
HEAVY IONS
ION BEAMS
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
RADIATIONS
RELATIVISTIC RANGE
SPECTRA
URANIUM IONS
X-RAY SPECTRA
XENON IONS