ANGLE-RESOLVED RESONANT AUGER ELECTRON SPECTROSCOPY OF BCl_3

K. Ueda$^\ast$, Y. Shimizu$^\ast$, H. Chiba$^\ast$, Y. Sato$^\ast$, 
M. Kitajima$^\dagger$, H. Tanaka$^\dagger$ and T. Hayaishi$^\ddagger$

$^\ast$Research Institute for Scientific Measurements,
Tohoku University, Sendai 980-8577, Japan 
$^\dagger$Department of Physics, 
Sophia University, Tokyo 102-8554, Japan 
$^\ddagger$ Institute of Applied Physics
University of Tsukuba, Tsukuba 305-8577, Japan

Resonant enhancements for the photoemission lines from the B-Cl 
bonding orbitals in BCl_3 and the corresponding decrease of 
the asymmetry parameters beta for these photolines are observed 
in the B 1s -> 2a_2'' and B 1s -> 4e' excitation regions.