Zobrazeno 1 - 10
of 29
pro vyhledávání: '"P W Zetner"'
Autor:
P W Zetner, P V Johnson
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 39:455-462
Differential cross sections for electron impact on excited state barium atoms have been measured for 20 eV incident electron energy and scattering angles of 5.5°, 9°, 13° and 16°. Results for the excitations (...6s6p 1P1) → X are presented with
Autor:
P W Zetner, P V Johnson
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 38:2793-2810
We have investigated inelastic electron scattering from the laser-excited (... 6s6p 1 P 1 ) state of barium at 20 eV incident electron energy and scattering angles of 5.5°, 9°, 13° and 16°. Laser excitation with linearly polarized light allowed u
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 34:4311-4321
Superelastic electron scattering involving the collisional de-excitation of laser-excited 138Ba(...6s6p 1P1) atoms to the (...6s2 1S0) ground state has been used to measure electron impact coherence parameters for the related (...6s2 1S0) to (...6s6p
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 34:1619-1639
Differential cross sections (DCS) and electron impact coherence parameters (EICP) have been measured and calculated for the (...6s6p 3PJ) levels in ytterbium. DCS for the (...6s6p 3P1) and (...6s6p 3P2) levels were determined at collision energies of
Autor:
S. Trajmar, S Wang, Dmitry V. Fursa, Isik Kanik, Robert E. H. Clark, George Csanak, Igor Bray, P W Zetner, Joseph Abdallah
Publikováno v:
ResearcherID
We report an experimental and theoretical investigation of low-energy electron scattering from 138Ba atoms prepared in the metastable 3D2 and 1D2 levels by laser-optical pumping. Differential cross sections were measured for excitation out of these m
Publikováno v:
Physical Review A. 59:439-454
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 31:3027-3041
We have measured and calculated differential cross sections for electron-impact excitation of the level in ytterbium at collision energies of 5, 10, 20, 40 and 80 eV. Calculations were made in the unitarized distorted-wave approximation. Measurements
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 31:2395-2413
We have measured the differential and integral cross sections for electron impact excitation of the , , and states of CO in the 10-15 eV impact energy region. These measurements fill the gap which existed between the low-energy (threshold to about 12
Autor:
Sandor Trajmar, Robert E. H. Clark, P W Zetner, S Wang, J C Nickel, Isik Kanik, George Csanak, Joseph Abdallah
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 30:5317-5339
The results of a combined experimental and theoretical study of elastic electron scattering by laser-excited atoms are presented. From these studies, we extracted differential scattering cross sections and parameters for elastic scattering both by co
Autor:
P W Zetner, Y Li
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 29:1803-1816
We report on measurements of the parameter and absolute differential cross section for electron-impact excitation of the state in barium from the metastable, isotropically populated level at 20 eV impact energy. The determination of these scattering