Hg($^3P_1$)$-$CO HALF COLLISION INVESTIGATED BY ULTRASHORT
 LASER PULSES 

Kazuhiro Amano, Kenji Ohmori, Hisashi Chiba, Misaki Okunishi,
 and Yukinori Sato

Research Institute for Scientific Measurements, Tohoku University, Sendai, Japan

We have applied the ultrafast pump/probe approach to the Hg(6 $^3P_1)-$CO half
 collision to explore its dynamics that could never be extracted in
 the frequency domain.