1.      Triplet Exciton Trapping by Dislocations in Anthracene

         S. Arnold, W.B. Whitten and A.C. Damask

         J.Chem.Phys. 53, 2878 (1970).


2.      Davydov Splitting and Triplet Exciton Band Structure in Pyrene

         S. Arnold, W.B. Whitten and A.C. Damask

         Phys.Rev. B,3, 3452 (1971).


3.      Calculations of the Davydov Splitting of the First Triplet State in Pyrene

         S.W. Harrison, C.R. Fischer and S. Arnold

         J.Chem.Phys. 57, 1102 (1972).


4.      Triplet Excitation Spectrum in Phenanthrene Crystals

         S. Arnold and W.B. Whitten

         Mol Cryst. and Liq. Cryst.18, 83 (1972).


5.      Magnetic Field Effect on the Delayed Fluorescene in Pyrene Crystals

         L. Yarmus, C.E. Swenberg, J. Rosenthal and S. Arnold,

         Phys.Lett., 43,a(2) 102 (1973).


6.      Total and Radiative Triplet-Triplet Exciton Annihilation Rate Constant in Pyrene Crystals

         V. Ern, H. Bouchriha, M. Bisceglia, S. Arnold and M. Schott

         Phys.Rev. B, 8, 6038 (1973).


7.      Triplet Excitation Spectrum in Anthracene Crystals Under Pressure

         S. Arnold, W.B. Whitten and A.C. Damask

         J.Chem.Phys.61, 5162 (1974).


8.      Hot Band Transitions to the Triplet State in Anthracene and Pyrene Crystals

         W.B. Whitten, S. Arnold and C.E. Swenberg

         J.Chem.Phys.60, 4219 (1974).


9.      Optically Induced Fisson Spectrum in Anthracene

         S. Arnold

         J.Chem.Phys. 61, 431 (1974).


10.    Triplet Exciton Diffusion in Pyrene Crystals.

         S. Arnold, J.L. Fave and M. Schott

         Chem.Phys.Lett., 28, 412 (1974).


11.    Amplitude Normalized Decay Integral

         S. Arnold and N. Wotherspoon

         Rev.Sci.Inst., 47, 751(1976).


12.    Triplet Exciton Caging in Two-Dimensions

         S. Arnold, R.R. Alfano, M. Pope, W. Yu, P. Ho, R. Selsby and J. Tharrats

         J.Chem.Phys., 64, 5104 (1976).


13.    Triplet Exciton Caging in Two-Dimensions: Magnetic Field Effects

         S. Arnold, C.E. Swenberg and M. Pope

         J.Chem.Phys.64, 5115 (1976).


14.    Exciton Sounding of a-Particle Induced Radiation Defects in Anthracene

         S. Arnold, H.T. Hu and M. Pope

         Mol.Cryst. and Liq.Cryst., 36, 179 (1976).


15.    Pressure Modulation of Exicton Fission in Tetracene

         W.B. Whitten and S. Arnold

         Phys.Stat.Solidi (b), 80, 333 (1977).


16.    Triplet Exciton Diffusion and Double Photon Absorption in Tetracene

         J.B. Aladakomo, S. Arnold and M. Pope

         Phys.Stat.Solidi (b), 80, 333 (1977).


17.    Measuring the Light Infinitesimal, The Theory and Practice of Photon Counting

         S. Arnold

         Spex Speaker, 22, 1 (1977).


18..   a-Particle Induced Radical Production in Anthracene Beyond the Bragg Peak

         H.T. Hu, S. Arnold and M. Pope

         Radiation Research, 74, 231 (1978).


19.    Temperature Dependence of Triplet Exciton Yield in Fission and Fussion in Tetracene

         S. Arnold and W.B. Whitten

         J.Chem.Phys. 75, 1166 (1981).


20..   Triplet Exciton Lifetime Under Pressure in "Pure Anthracene"

         S. Arnold and N. Hassan

         J.Chem.Phys., 78, 5606 (1983).