TY - JOUR
T1 - Continuous backgrounds in heavy-ion induced X-ray emission
AU - Ishii, K.
AU - Maeda, K.
AU - Takami, M.
AU - Sasa, Y.
AU - Uda, M.
AU - Morita, S.
PY - 1993/4/3
Y1 - 1993/4/3
N2 - We report here continuous X-rays emitted from targets bombarded with Si3+ ion beams of 1.435 MeV/amu over the range of target-atomic number ZT = 6-29. It is shown that the production cross sections of continuous X-rays can be well scaled with a function of the product of the K-shell radius of the united atom and the minimum transfer momentum of the projectile while MO X-ray spectra are scaled with the K X-ray energy of the united atom. These continuous X-rays may be interpreted as bremsstrahlung produced from a united atom which is formed by a projectile ion and a target atom during collision; we call this radiation united-atomic bremsstrahlung. In consideration of this continuous background, we discuss utility of a trace element analysis with high energy heavy-ion beams especially for analysis of chemical states by using a crystal spectrometer.
AB - We report here continuous X-rays emitted from targets bombarded with Si3+ ion beams of 1.435 MeV/amu over the range of target-atomic number ZT = 6-29. It is shown that the production cross sections of continuous X-rays can be well scaled with a function of the product of the K-shell radius of the united atom and the minimum transfer momentum of the projectile while MO X-ray spectra are scaled with the K X-ray energy of the united atom. These continuous X-rays may be interpreted as bremsstrahlung produced from a united atom which is formed by a projectile ion and a target atom during collision; we call this radiation united-atomic bremsstrahlung. In consideration of this continuous background, we discuss utility of a trace element analysis with high energy heavy-ion beams especially for analysis of chemical states by using a crystal spectrometer.
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U2 - 10.1016/0168-583X(93)95615-C
DO - 10.1016/0168-583X(93)95615-C
M3 - Article
AN - SCOPUS:0346614986
VL - 75
SP - 73
EP - 76
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
SN - 0168-583X
IS - 1-4
ER -