A PULSED SUPERSONIC MOLECULAR-BEAM WITH HIGH ROTATIONAL TEMPERATURES

被引：0

作者：

HAGER, J ^{[1
]}

ZECH, S ^{[1
]}

GLATZER, D ^{[1
]}

FINK, M ^{[1
]}

WALTHER, H ^{[1
]}

机构：

[1] UNIV TEXAS,DEPT PHYS,AUSTIN,TX 78712

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1994年 / 65卷 / 02期

关键词：

D O I：

暂无

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The construction and operation of a novel high temperature pulsed quartz nozzle employed for the generation of rotationally excited supersonic molecular beams are reported herein. At high stagnation pressures (> 1 bar) the NO molecules in the beam pulse exhibit a translational and rotational behavior identical to heated continuous nozzles (T-rot < 50 K; E(kin) approximate to 7/2 kT(N)). At reduced stagnation pressures (10 mbar-1 bar) the rotational temperatures of the beam molecules are increased substantially (up to T-rot approximate to 700 K) accompanied by a translational behavior, which can be characterized by a small Mach number. The design has produced the rotationally hottest supersonic beam ever prepared in the pulsed mode.

引用

页码：407 / 411

页数：5

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