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Title:High resolution laser spectroscopy for absorption to levels lying near the dissociation limit of the A 3Π1 state of IBr
Author(s):Yukiya, Tokio
Contributor(s):Le Roy, Robert J.; Suzuki, Masao; Nishimiya, Nobuo
Subject(s):Small molecules
Abstract:Spectroscopic data involving levels lying near the dissociation limit are very important for determining accurate molecular well depths and full potential energy curves. In previous work, we have reported the potential functions and values of parameters ${cal D}_e$ and $r_e$ for the $A,^3Pi_1$ and $X,^1Sigma^+$ states of IBr.footnote{T.Yukiya, N. Nishimiya, M. Suzuki and R.J. Le Roy, paper MG03 at the 69$^{rm th}$ International Symposium on Molecular Spectroscopy, University of Illinois (2014)} That study used data extending to $v'(A)=29$ and determined anomalous fluctuations in the $v$--dependence of the first differences of $Delta B_{v}=B_{v+1}-B_{v}$ for levels $v'=27-29$ of the $A,^3Pi_1$ state which, surprisingly, seems to have been smoothly accounted by a fitted potential energy function that shows no visually perceptible irregularities. In the present work, a Ti:Sapphire ring laser(M SQUARED LASERS Ltd. SolsTiS CW with Tera--scan) has been introduced to probe the 0.7$murm m$ region closer to the dissociation limit and examine whether the anomalous $Delta B_{v}$ behaviour expends further up the well. The results of this study will be presented.
Issue Date:22-Jun-15
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:ACS
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/79301
Date Available in IDEALS:2016-01-05


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