title: Cs*He(n) exciplexes in solid 4He.
abstract: We present a theoretical and experimental study of the laser-induced formation process and of the emission spectra of Cs*He(n) exciplexes in the hcp and bcc phases of solid helium. Two different exciplex molecules are detected: a linear triatomic Cs*He2, which can exist in two electronic states: APi(1/2) and BPi(3/2), and a larger complex, where six or seven He atoms form a ring around a single cesium atom in the 6P(1/2) state. A theoretical model is presented, which allows the interpretation of the experimentally observed spectra.
authors.affiliation: Département de Physique, Université de Fribourg, Chemin du Musée 3, 1700 Fribourg, Switzerland. peter.moroshkin@unifr.ch
authors.forename: P
authors.initials: P
authors.lastname: Moroshkin
authors.forename: A
authors.initials: A
authors.lastname: Hofer
authors.forename: D
authors.initials: D
authors.lastname: Nettels
authors.forename: S
authors.initials: S
authors.lastname: Ulzega
authors.forename: A
authors.initials: A
authors.lastname: Weis