Non-adiabatic E → D, D′, β, γ, δ transitions in the first ion-pair tier of molecular iodine induced by collisions with I2, He, Ar, Kr, Xe

Non-adiabatic , D′, β, γ, δ transitions in the first ion-pair tier of molecular iodine induced by collisions with I2, N2 and CO2

“…A fluorescence components and Pðv D 0 Þ, P(v b ) vibrational distributions. Fortunately, blue limits of the spectra under discussion differ significantly [10], and one can use this feature to simulate them. The dipole moment function for the b !…”

“…Our experimental apparatus has been described previously [8][9][10]12,13,16]. In brief, the v E = 8, 13, 19; J E % 55 rovibronic levels are populated using the OODR scheme through the intermediate valence B0 þ u state.…”

“…Strong difference between CINAT characteristics for M = I 2 and Rg is the consequence of various characters of long-range interaction between collision partners [7,[10][11][12][13]. The interaction between the E-D transition electric dipole and the permanent quadrupole of M, $R À4 , is dominant in the M = I 2 (X) case.…”

“…The majority of experimental work deals with the nonadiabatic transitions from the E0 þ g state of the first tier iodine IP states and f0 þ g one of the second tier following the optical-optical double resonance (OODR) excitation of the selected v E , J E and v f , J f rovibronic levels, respectively and collisions with Rg atoms and ground state iodine molecules [7][8][9][10]. The following features have been found out for the…”

“…These distinct spectroscopic features suggest use of the halogen IP states as a testing ground for general understanding of the efficiency and mechanisms of CINATs in electronically excited molecules. Therefore, collision-induced mixing of the IP states of molecular chlorine and iodine has attracted a great deal of interest since the late 1980s (see [7][8][9][10] and references therein).…”