High resolution spectroscopy of the ns' autoionizing resonances in Ar
- 28 June 1995
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 28 (12) , 2395-2406
- https://doi.org/10.1088/0953-4075/28/12/009
Abstract
The 3p5ns'( 1/2 )0.1 autoionizing resonances of argon have been investigated using a two-step excitation from the 3p54s(3/2)1.2levels (1s4 and 1s5 in Paschen's notation) populated in a discharge. Most of the levels of J=0 had never been observed previously. The absorption profiles have been recorded by means of a sensitive optogalvanic detection. Energy position and width data have been obtained for n ranging from 11 to 34. Our experimental values allow a precise redetermination of the second ionization limit I1/2 and show that the width Gamma 0 of the J=0 level is larger than the width Gamma 1 of the corresponding J=1 level. We find I1/2=128 541.41+or-0.07 cm-1and Gamma 0/ Gamma 1=1.6+or-0.2, respectively.Keywords
This publication has 16 references indexed in Scilit:
- Three-photon excitation of autoionizing states of Ar, Kr, and Xe between theandionic limitsPhysical Review A, 1994
- Laser spectroscopy of even parity Rydberg series of kryptonJournal of Physics B: Atomic, Molecular and Optical Physics, 1993
- On theJ-dependence of the odd (ns?,J=0,1) autoionization resonances of the rare gases Ne, Ar, Kr, and XeThe European Physical Journal D, 1992
- High power single frequency operation of dyes over the spectrum from 364 nm to 524 nm pumped by an ultraviolet argon ion laserOptics Communications, 1988
- Diamagnetic behaviour of xenon Rydberg states studied by the R.F. optogalvanic methodJournal de Physique, 1984
- Optogalvanic spectroscopy of the ns and nd Rydberg states of xenonJournal of Physics B: Atomic and Molecular Physics, 1982
- Collision effects in Rydberg states of xenonJournal of Physics B: Atomic and Molecular Physics, 1982
- Doppler-free radiofrequency optogalvanic spectroscopyOptics Communications, 1981
- Even-parity Rydberg and autoionising states in xenonJournal of Physics B: Atomic and Molecular Physics, 1981
- Effects of Configuration Interaction on Intensities and Phase ShiftsPhysical Review B, 1961