10min:
HIGH RESOLUTION SPECTROSCOPY OF B EXCITED STATE OF BENZENE DIMER CATION.

K. FURUKAWA, T. KAWASAKI, T. KITAGAWA, E. SHIROTA, T. ICHIYANAGI, S. NISHI, O. A. MATSUZAKI AND H. SATO, Department of Chemistry for Materials, Faculty of Engineering, Mi'e University, Tsu 514-8507, Japan.

High resolution spectrum of B-X absorption band of benzene dimer cation in the 600-700 nm region was measured with a Coherent 899-21/899-29 ring dye laser, by monitoring predissociation in an Extrel triple quadrupole mass spectrometer. The spectrum was featured with a ca. 200-cm-1 progression.