Penning type of ionizing energy transfer collisions in a Hg-Ar discharge detected by the optogalvanic effect

Details Penning type of ionizing energy transfer collisions in a Hg-Ar discharge detected by the optogalvanic effect Penning type of ionizing energy transfer collisions in a Hg-Ar discharge detected by the optogalvanic effect

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989optco..73..117r&link_type=abstract

Optics Communications (ISSN 0030-4018), vol. 73, Sept. 15, 1989, p. 117-120.

Physics

Optics

11

Collision Parameters, Energy Transfer, Gas Discharges, Penning Discharge, Argon, Atomic Excitations, Dye Lasers, Mercury (Metal), Signal Analysis

Scientific paper

The temporal evolution of the optogalvanic signals has been investigated in detail in a Hg-argon discharge by irradiating it with an excimer pumped dye laser. The signals at 4510.7, 4596 and 4628.4 A exhibited anomalous behavior. Analysis of the data revealed that the excited Ar and Hg atoms respectively in the 1P1 and 3P1 states participated in energy transfer collisions, causing atomic mercury to excite to an ionized energy state, while simultaneously the argon atom relaxes to its ground state.

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