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.