131Xe nuclear spin relaxation rate as a function of cell temperature and buffer gas pressure has been measured by Faraday rotation method.Experimental results show that spin exchange rate of 131Xe with 87Rb is C=1.68 ...131Xe nuclear spin relaxation rate as a function of cell temperature and buffer gas pressure has been measured by Faraday rotation method.Experimental results show that spin exchange rate of 131Xe with 87Rb is C=1.68 ×10^(-21) m^(3)s^(-1),Breit-Rabi parameter is X=4.4,and rate constant for three body formation of Van der Waals molecules is Z=5.1× 10^(-44)m^(6) s^(-1).展开更多
The cross sections for fine-structure transition(FST)of Rb(7^(2)D)atoms induced by collision with molecules of and CO have been experimentally determined by the method of selective stepwise excitation of Rb atoms and ...The cross sections for fine-structure transition(FST)of Rb(7^(2)D)atoms induced by collision with molecules of and CO have been experimentally determined by the method of selective stepwise excitation of Rb atoms and observation of the resulting fluorescence.The cross sections(in units of 10^(-14)cm^(2))for Rb(7^(2)D)·H_(2) are σ_(fs)(7^(2)D_(5/2)→7^(2)D_(3/2))=0.16±0.03,σfs=(7^(2)D3/2→7^(2)D_(5/2))=0.24±0.05,for Rb(7^(2)D)-CO:σfs=0.10±0.06 and σfs=0.15±0.09.The cross sections for transfer out of the 7^(2)D doublet were also determined.展开更多
文摘131Xe nuclear spin relaxation rate as a function of cell temperature and buffer gas pressure has been measured by Faraday rotation method.Experimental results show that spin exchange rate of 131Xe with 87Rb is C=1.68 ×10^(-21) m^(3)s^(-1),Breit-Rabi parameter is X=4.4,and rate constant for three body formation of Van der Waals molecules is Z=5.1× 10^(-44)m^(6) s^(-1).
文摘The cross sections for fine-structure transition(FST)of Rb(7^(2)D)atoms induced by collision with molecules of and CO have been experimentally determined by the method of selective stepwise excitation of Rb atoms and observation of the resulting fluorescence.The cross sections(in units of 10^(-14)cm^(2))for Rb(7^(2)D)·H_(2) are σ_(fs)(7^(2)D_(5/2)→7^(2)D_(3/2))=0.16±0.03,σfs=(7^(2)D3/2→7^(2)D_(5/2))=0.24±0.05,for Rb(7^(2)D)-CO:σfs=0.10±0.06 and σfs=0.15±0.09.The cross sections for transfer out of the 7^(2)D doublet were also determined.
