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Gordon, E. B.*; Kumada, Takayuki; Ishiguro, Masazumi; Aratono, Yasuyuki
Journal of Experimental and Theoretical Physics, 99(4), p.776 - 783, 2004/10
The solid Deuterium clusters for the first time isolated in a matrix of solid Helium have been investigated at T = 1.3K and P = 3 MPa by CARS (Coherent anti-Stokes Raman spectroscopy) technique. The Q1(J=0) and Q1(J=1) lines intensity, shape and positions have been studied as the functions of ortho- para content in the solid, as well as of clusters size. The strong effect of Raman scattering cross section sensitivity to the molecular environment nuclear spin state has been found in CARS; the ratio of probabilities for the scattering by para (J=1) and ortho (J=0) deuterium being equal to 1 in a gas is as high as 10,000 in nearly pure o-D2, whereas it is about 50 in spontaneous Raman scattering. This effect has been shown to give rise starting from cluster size corresponding to the phonon band onset.
Kizu, Kaname; Hiratsuka, Hajime; Ichige, Hisashi; Iwahashi, Takaaki*; Sasajima, Tadayuki; Masaki, Kei; Sasaki, Noboru*; Honda, Masao; Miya, Naoyuki; Hosogane, Nobuyuki
JAERI-Tech 2001-022, 20 Pages, 2001/03
no abstracts in English