LINE-INTENSITIES IN THE ROTATIONAL BRANCHES OF THE PH(B1-SIGMA+UPSILON'=0-]X3-SIGMA-UPSILON''=0) TRANSITION

被引：11

作者：

DISTEFANO, G ^{[1
]}

LENZI, M ^{[1
]}

PICIACCHIA, G ^{[1
]}

RICCI, A ^{[1
]}

机构：

[1] CNR,AREA RIC,SERV LASER,I-00016 MONTEROTONDO,ITALY

来源：

CHEMICAL PHYSICS | 1992年 / 165卷 / 2-3期

关键词：

D O I：

10.1016/0301-0104(92)87037-A

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Emission intensities of single rotational lines in the (O)P and (S)R branches and of the unresolved Q system of the PH(b1-SIGMA+upsilon'= 0-->X3-SIGMA-upsilon" = 0) transition, are obtained in a microwave powered Ar flow apparatus. Values in the resolved branches are treated by compensation of the temperature dependent population distribution and relative intensities of the lines are obtained as a function of the rotational quantum numbers. In the low J region the observed behaviour is in agreement with the known relations for line strength but major modifications should be introduced after the crossing of the F1 and F3 energy terms in the X3-SIGMA- state in order to account for the experimental trend. The suggested new intensity relations also lead to an estimate of mu(parallel-to)/mu(perpendicular-to)=-6.3+/-1.0.

引用

页码：201 / 211

页数：11

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