The Lifetime And Effective Quenching Cross Section Of The 6²P[formula Presented] State Of Thallium
The lifetime of the 62P[formula presented] metastable state of thallium has been measured at 15 different thallium densities and temperatures in the after-glow of a pulsed r-f discharge. The effective self-quenching cross section for the 62P[formula presented]-62P[formula presented] transition is 5·4±0·5 x 10-16 cm2, and the diffusion cross section for the 62P[formula presented] state is 100±30 x 10-16 cm2.
R. C. Pickett and R. A. Anderson, "The Lifetime And Effective Quenching Cross Section Of The 6²P[formula Presented] State Of Thallium," Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 9, no. 5, pp. 697 - 704, Elsevier, May 1969.
The definitive version is available at https://doi.org/10.1016/0022-4073(69)90015-6
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01 May 1969