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Hyperfine polarization quantum beats in cyanogen

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.470220· OSTI ID:102102
;  [1]
  1. School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853 (United States)
Hyperfine polarization quantum beats caused by the reversible interchange of molecular polarization and nuclear spin polarization are observed in the fluorescence of C{sub 2}N{sub 2}, following laser absorption on the 4{sup 1}{sub 0}{ital {tilde A}}({sup 1}{Sigma}{sup {minus}}{sub {ital u}}){l_arrow}{ital {tilde X}}({sup 1}{Sigma}{sup +}{sub {ital g}}) band at 219 nm. Cross sections for collisional quenching and alignment depolarization of the fluorescence, determined by quantum beat spectroscopy, are 88 and 285 A{sup 2}, respectively. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.
DOE Contract Number:
FG02-86ER13508
OSTI ID:
102102
Journal Information:
Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 9 Vol. 103; ISSN JCPSA6; ISSN 0021-9606
Country of Publication:
United States
Language:
English

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