Acta Physica Hungarica 71. (1992)

1-2. szám

CONTENTS ELEMENTARY PARTICLES AND FIELDS Dirac particle in a spatially periodic magnetic field. N. D. Sen Gupta..................................... 25 Infrared behaviour of Green’s function for fermions in supersymmetric Yang-Mills theories. Hoang Ngoc Long .............................................................................................................................. 29 Relativistic Schrôdinger equation including spin-orbit interaction. H. A. Mo и rad and I. äh. Vashakidze ................................................................................................................................ 61 A possible path towards massive vector fields. Я. M. Doria and J. A. Helayël-Neto ........... 89 Gauged Q balls admitting a 1/(1) X C/(l) gauge symmetry. C. Wolf .......................................... 117 NUCLEAR PHYSICS Energy levels of 237Np. S. U. El-Kameesy ............................................................................................. 15 Internal bremsstrahlung from 204 Tl. Güne$ Tenir, Basar §arer and Hakki Kíziltan ........... 45 Laser-assisted nuclear processes. P. Kálmán ......................................................................................... 77 Trajectory studies for the fusion of two heavy nuclei. Ahmed Osman, S. S. Abdel Aziz and M. M. Gogary ....................................................................................................................................... 99 ATOMIC AND MOLECULAR PHYSICS Rotational energy transfer within the A1 Ej-state of Na2 induced by collisions with (2Sl/2)Na. K. Hussein and O. Babaky ..................................................................................... 9 Effect of aliphatic and aromatic substituents on the fluorescence of some polymers. K. P. Dhake, S. N. Patil and Rita Raja..................................................................................... 53 CONDENSED MATTER Age-hardening characteristics of an AlMgSi alloy. Z. H. Ismail and B. Bouchra................... 3 The effect of magnetic field on the scintillation efficiency of organic scintillators. Faizan-Ul-Haq, M. Z. Butt, Ghous Ali, S. Q. M. Zaidi and R. Siddique ................... 35 Lattice dynamical study of some fee metals. M. K. Mishra, A. K. Bajpai and R. P. S. Rathore ................................................................................................................................... 67 The yield stress contribution of dimers and trimers in NaCl crystals doped with divalent cation impurities. J. Sárközi ......................................................................................................... 129 BOOK REVIEWS 141

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