首页> 外文期刊>The Journal of Chemical Physics >MAGNETIC FIELD EFFECTS ON THE SINGLE-ROVIBRONIC-LEVEL FLUORESCENCE OF S-1(B-1(1)) PYRIMIDINE - STUDY OF THE SINGLET-TRIPLET COUPLING BY LEVEL ANTICROSSINGS AND QUANTUM BEATS
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MAGNETIC FIELD EFFECTS ON THE SINGLE-ROVIBRONIC-LEVEL FLUORESCENCE OF S-1(B-1(1)) PYRIMIDINE - STUDY OF THE SINGLET-TRIPLET COUPLING BY LEVEL ANTICROSSINGS AND QUANTUM BEATS

机译:磁场对S-1(B-1(1))嘧啶的单电子能级荧光的影响-单反三峰和量子定律耦合的三重峰耦合

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摘要

Level anticrossings and quantum beats have been observed for the fluorescence from single rotational levels of the vibrationless S-1 pyrimidine in a supersonic free jet. The density of triplet levels (rho) and the coupling matrix elements (upsilon) deduced from the data obtained for R(0) transition confirm that the singlet-triplet coupling belongs to the weak coupling limit (upsilon rho much less than 1) of interstate interaction, in which electronic relaxation from the prepared singlet state to the triplet manifold does not occur in the absence of collisions. (C) 1996 American Institute of Physics. [References: 12]
机译:在超音速自由射流中,从无振动的S-1嘧啶的单次旋转水平观察到的荧光水平反交叉和量子搏动。从R(0)跃迁获得的数据推导出的三重态能级(rho)密度和耦合矩阵元素(upsilon)证实,单重态-三重态耦合属于跨态的弱耦合极限(upsilon rho小于1)相互作用,其中在没有碰撞的情况下不会发生从制备的单重态到三重态歧管的电子弛豫。 (C)1996年美国物理研究所。 [参考:12]

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