State-to-state scattering of metastable CO molecules from a LiF (100) surface

被引：18

作者：

Jongma, RT ^{[1
]}

Berden, G ^{[1
]}

Rasing, T ^{[1
]}

Zacharias, H ^{[1
]}

Meijer, G ^{[1
]}

机构：

[1] UNIV MUNSTER,INST PHYS,D-48149 MUNSTER,GERMANY

来源：

JOURNAL OF CHEMICAL PHYSICS | 1997年 / 107卷 / 01期

关键词：

D O I：

10.1063/1.474372

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：

Scattering of electronically excited, state-selected metastable CO(a(3) Pi) molecules from a cleaved LiF(100) surface is studied experimentally. Internal state distributions, fluorescence profiles, time-of-flight (TOF) profiles and angular distributions of the surviving metastable CO molecules are measured. Relative and absolute survival probabilities are determined for various impact velocities. The dependence of translation and rotational temperature on the velocity of the incoming beam unambiguously indicates a direct inelastic scattering process, even though the angular distributions are broad, both in plane and out of plane. The internal state distribution after scattering shows an overpopulation of the initially prepared Omega=1-component relative to die other spin components. (C) 1997 American Institute of Physics.

引用

页码：252 / 261

页数：10

共 37 条

[1] VIBRATIONAL AND ROTATIONAL ENERGY-DISTRIBUTION OF NO SCATTERED FROM THE PT(111) CRYSTAL-SURFACE - DETECTION BY 2-PHOTON IONIZATION [J].