Suporn RatanapunI. Ming TangKing Mongkuts University of Technology ThonburiMahidol University2018-04-302018-04-301980-01-01Chemical Physics Letters. Vol.74, No.1 (1980), 166-172000926142-s2.0-85025727711https://repository.li.mahidol.ac.th/handle/20.500.14594/11094The dimer self-energy series of mixed naphthalene crystals or arbitrary concentrations are calculated using the Stirling numbers of the second kind representation of the cumulant function P n (c). It is seen that the formally summed series develops additional singularities similar to those found for the monomer states © 1980, All rights reserved.Mahidol UniversityChemistryPhysics and AstronomyArticleSCOPUS10.1016/0009-2614(80)85037-8