Photoabsorption profile and satellite features of the potassium4s→4ptransition perturbed by ground-state helium atoms

2012 ◽  
Vol 86 (5) ◽  
Author(s):  
H. Boutarfa ◽  
K. Alioua ◽  
M. Bouledroua ◽  
A.-R. Allouche ◽  
M. Aubert-Frécon
Keyword(s):  
Ground State ◽  
Helium Atoms

Radiative quenching of He(2S1) induced by collisions with ground-state helium atoms

1988 ◽  
Vol 38 (4) ◽  
pp. 1877-1884 ◽  
Author(s):  
B. Zygelman ◽  
A. Dalgarno
Keyword(s):  
Ground State ◽  
Helium Atoms

Laser Spectroscopic Studies of a Helium Flowing Afterglow

1989 ◽  
Vol 43 (2) ◽  
pp. 293-298 ◽  
Author(s):  
P. A. Fleitz ◽  
C. J. Seliskar
Keyword(s):  
Angular Momentum ◽  
Reaction Zone ◽  
Ground State ◽  
Pressure Pulse ◽  
Spectroscopic Studies ◽  
Intersystem Crossing ◽  
Flowing Afterglow ◽  
Helium Atoms ◽  
Laser Pumping ◽  
Laser Spectroscopic

The reaction zone of a helium flowing afterglow has been characterized as consisting of nearly thermalized 23 S metastables in a bath of ground-state helium atoms. LIF studies show that collision-induced angular momentum scrambling occurs efficiently among the n = 3 states of helium, even to the extent of including a small amount of intersystem crossing. LOG transients have been characterized for the afterglow reaction zone, and it is proposed that these signals are associated with a pressure pulse generated by laser pumping the helium 23 S metatables.

The Hyperfine Structure of the Ground State in the Muonic Helium Atoms

2018 ◽  
Vol 15 (3) ◽  
pp. 236-239 ◽  
Author(s):  
D. T. Aznabayev ◽  
A. K. Bekbaev ◽  
V. I. Korobov
Keyword(s):  
Hyperfine Structure ◽  
Ground State ◽  
Helium Atoms

RubidiumD1andD2atomic lines’ pressure broadened by ground-state helium atoms

2014 ◽  
Vol 47 (18) ◽  
pp. 185201 ◽  
Author(s):  
F Bouhadjar ◽  
K Alioua ◽  
M T Bouazza, ◽  
M Bouledroua
Keyword(s):  
Ground State ◽  
Helium Atoms

Electron-loss cross sections for fast, metastable and ground-state helium atoms in gases and metal vapours

1980 ◽  
Vol 13 (6) ◽  
pp. 1167-1183 ◽  
Author(s):  
E Horsdal Pedersen ◽  
J Heinemeier ◽  
L Larsen ◽  
J V Mikkelsen
Keyword(s):  
Cross Sections ◽  
Ground State ◽  
Electron Loss ◽  
Helium Atoms

Interaction between two ground‐state helium atoms

1980 ◽  
Vol 72 (4) ◽  
pp. 2713-2718 ◽  
Author(s):  
V. V. Starykh ◽  
V. K. Kapyshev
Keyword(s):  
Ground State ◽  
Helium Atoms
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