Inhaltsverzeichnis
N u m b e r 1 Original Communications
P. M. Grootes, W. G. Mook, J. C. Vogel, A. E. de Vries, A. Haring, and J. Kistemaker, Enrichment of Radiocarbon for Dating Samples up to 75,000 Years . 1 A. Kawski and J. Kaminski, Energy Transfer Among Like and Unlike Molecules in Solution. II. Study of Concentration Depolarization of Fluorescence (In
German) 15 M. P. Bhutra, S. P. Tandoon, and P. P. Vaishnava, A
New Relation between Dissociation Energy and Mole-
cular Constants of Diatomic Molecules 21 U. Krauß and G. Lehmann, EPR of Fe3+ in Low
Quartz Isomorphs A (III) B ( V ) 04 28 S. E. Gustafsson, E. Karawacki, and I. Okada, A
Method for Measuring Interdiffusion Coefficients in
Liquids by Wave-front-shearing Interferometry . . . 35 J. Szydlowski, Hydrogen Isotope Fractionation be-
tween HC12~ Ion and HCl 38
A. Wagendristel and E. Söllner, On the Temperature Dependence of the Density of Thin Vacuum Deposited
Copper Films (In German) 44 M. Cacciatore and M. Capitelli, Population Densities
and Ionisation Coefficients of Fast Transient Hydrogen
Plasmas 48 N. C. Haider and R. L. Wourms, Electronic Density of
States of Noncrystalline Si and Ge: I. Spherically
Symmetric Interference Function Approach . . . . 55 H. C. Brookes and R. L. Paul, Densities and Excess
Volumes of Fused Halides 64 K. Kawamura, I. Okada, and 0 . Odawara, Internal
Cation Mobilities in the Molten Systems LiN03-TlN03
and RbN03-TlN03 69
V. Ljubimov and A. Lunden, Isotope Effect of Cation Electromigration in Molten Lithium Chloride-Nitrate-
Mixtures 75 W. H. de Jeu and Th. Lathouwers, Dielectric Con-
stants and Molecular Structure of Nematic Liquid Crystals. II. Variation of the Bridging Group . . . 79 C. Margheritis and C. Sinistri, Monte Carlo Compu-
tations on Molten Caesium Bromide 83 L. Janelli, A. Inglese, A. Sacco, and P. Ciani, Thermo-
dynamic and Physical Behaviour of Binary Mixtures Involving Sulfolane Viscosity, Dielectric Constant and Solid + Liquid Phase Diagram of Mixtures of Dioxane
+ Sulfolane 87 D. Schneider, R. Kruse, and H. Neubauer, Magneto-
resistance and Band Shifts in Semiconducting Wis- muth-Antimony Alloys under High Hydrostatic Pres-
sure (In German) 92 T. Babeliowsky and J. Brulmans, The Density at 25 °C
of D20 with Natural Oxygen Isotopic Composition . . 103
Notes
J. Brulmans, J. Verdonck, and H. L. Eschbach, Thermal Expansion of Heavy Water between 7 and 26 °C . . 107 H. Hinkelmann, Phonon Contribution to the Dynamic
Form Factor of the Electrons in Metals 109
N u m b e r 2 Original Communications
S. Hess, Magnetic-field Induced Change of the Vis- cosity of Diamagnetic Gases with Anisotropic Magnetic
Susceptibility I l l W. E. Köhler, Waldmann-Snider Collision Integrals
and Nonspherical Molecular Interaction. II. DWBA- Scattering Amplitude and Cross Sections for Linear
Molecules 117 M. M. R. Williams, Condensation and Evaporation of
a Dilute Vapour on a Spherical Droplet 134 A. Friederich, W. Gerling, and K. Bleuler, Extension
of the New Tamm-Dancoff Method to Phase Tran-
sitions in Many-Body Systems (In German) . . . . 142 K. Lezuo, Ground State Rotational Bands in 1 60, 40Ca
and 208Pb ? 158
P. Kirmaier and J. G. Rabe, Gamma-Ray Induced Luminescence of Silica Gel. I. Thermoluminescence
and the Effect of Adsorbed Molecules 161 K. Breitkreutz, P. Kirmaier, and J. G. Rabe, Gamma-
Ray Induced Luminescence of Silica Gel. II. Lumines- cence Occurring on Adsorption of Gases: Radiosorp-
tionsluminescence 170 G. Hagele and V. Lueg, Determination of NMR Pa-
rameters by Lorentzian-Line-Shape-Analysis I :
[C6F5Si(CH3)2]2 (In German) 175 R. Schwarz, H. Dreizler, and A. Guarnieri, A Contri-
bution to the Radiofrequency Microwave Double Re-
sonance Method (In German) 180 H. J. Kohrmann and W. Zeil, Microwave Spectrum,
Spectroscopic Constants and r0 Structure of CSFC1
(In German) 183 K. H. Finken, A. Stampa, and H. Tuczek, The Inter-
action of a Large Amplitude Travelling Wave with a
Cylindrical Plasma 195 B. Lammers, U. Oberlack, and H. Schlüter, Absolute
Measurement of Power Transfer to a Deuterium Plasma Near the Lower Hybrid Resonance (In
German) 204 M. Platisa, M. Popovic, M. Dimitrijevic, and N. Kon-
jevic, Stark Broadening of A III and A IV lines . . . 212 P. A. Büger, Spectroscopic Investigations of the Plasma of a Glow Discharge Lamp (In German) . . 216 G. Van Hooydonk, On Drago's E-C Equation, Pear- son's HSAB Rule and the Ionic Approximation to
Chemical Bonding 223 R. E. Caligaris, O. H. Scalise, and J. R. Grigera,
Third Virial Coefficients for Ar, Kr, and Xe Including
Nonadditive Effects 227 H. Gruler, The Elastic Constants of a Nematic Liquid
Crystal 230 W. Hoyer, E. Thomas, and M. Wobst, X-ray Diffrac-
tion Study of Molten Tellurium (In German) . . . 235 W. E. Lukens and C. N. J. Wagner, The Structure of
Liquid Silver-Copper Alloys 242 W. Kessel, Isotope Effect and Pressure Coefficient of
the Superconducting Transition Temperature within
the Eliashberg-Theory (In German) 250
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A. K. Mitra, Infinite Matrices, Ritz Theorem and
Bound State Problems 256
Notes
M. Zander, E-type Delayed Fluorescence of Circobi-
phenyl in a Plastic Matrix (In German) 262 B. A. Norton, Energy Transfer and Superradiance Be-
tween Two High Temperature Carbon or Nitrogen
Plasmas 263 M. Abou Mandour and D. Harder, Apparent Reflection
of Fast Electrons for Glancing Incidence (In German) 265 F. Köksal and H. Yiiksel, EPR of Radiation Damage Centers in N a N 03, S r ( N 03)2, BaS, and MgC204-
2 HoO 269
N u m b e r 3 Original Communications
F. Söhre and E. W. Schmid, Comparison of Faddeev Method and Resonating Group Method above Breakup
Threshold 271 G. L. Borchert, W. Scheck, and K. P. Wieder, Pre-
cision Measurement of the ^-Ray Energies from the Radioactive Decay of 51Cr, 169Yb, 170Tm, 192Ir and
203Hg 274
H. Port, M. Bader, G. Weber, and H. C. Wolf, Sensi- tized Delayed Fluorescence in Naphthalene/Anthracene Mixed Crystals: Concentration and Temperature De-
pendence (In German) 277 I. Gryczynski and A. Kawski, Temperature Change of
the Static Dielectric Constant and of the Optical Re-
fractive Index of Liquids (In German) 287 E. Buluggiu, G. Dascola, and D. C. Giori, Molecular
Nature of the <7'Anomalies in Bis (diselenocarbamate) -
copper (II) Complexes 292 H. Oberhammer and J. Strähle, The Gas Phase Mole-
cular Structure of Vanadium (N-Chlorimide) Trichlo- ride, C13V=NC1, and Vanadium Oxide Trichloride,
C13 = 0 (In German) 296
G. Flor, V. Massarotti, and R. Riccardi, Kinetics and Mechanism of Solid State Reactions in the Agl-Tll
System 304 H. D. Lutz, H. Haeuseler, and P. Willich, Lattice Vi-
bration Spectra. XIV. NiAs and Fe3Se4 Structure (In
German) 308 S. V. Mentus and M. V. Susie, The Electric Conduc-
tivity of Molten HgI2-HgBr2 and Hgl2-Sbl3 Binary
Mixtures 312 G. Heppke and F. Schneider, Investigation of the
Electric Conductivity of Homologous 4,4'-Di-n-alkoxy- azoxybenzenes in their Nematic Phase (In German) . 316 H. Meinel, Detection of Nitric Oxide by the Reso-
nance Absorption Technique 323 K.-P. Wanczek, Mass Spectra and Ion Chemistry of
Methylphosphine, Dimethylphosphine and Dimethyl- deuterophosphine, Investigated by Ion Cyclotron Reso-
nance Spectrometry 329 P. Potzinger, H.-U. Stracke, W. Küpper, and K. Goll-
nick, Ionisation- and Appearence Potentials of Di-
alkylsulfoxides (In German) 340 P. Potzinger, A. Ritter, and J. Krause, Mass-spectro-
metric Determination of Bond Dissoziation Energies in Organosilicon Compounds (In German) . . . . 347 M. J. Bechara and O. Dietzsch, Q-values for (d, p) and
(d, t) Reactions on Even-A Tin Isotopes 356
H. Schudi and C. B. Harris, Optically Detected Spin Locking of Zero Field Electronic Triplet States and
Cross Relaxation in the Rotating Frame 361 D. Fromm and E. Schmidt, Correlation of Noise and of
Striations in the Positive Column of the Cataphoretic
He-Cd-Laser (In German) 372 Notes
A. Abou-Zeid and G. Schneider, Various Donors in n-ZnSb and the Influence of Sample Treatment . . . 381 R. V. Gopala Rao and A. K. Murthy, Structure Fac-
tors of Liquid Sodium and Potassium 383 G. Schön and U. Staudt, Low-Frequency Dielectric
Relaxation of K+-Ions in the Two-Dimensional Tunnel
Structure of K3Sb501 4 (In German) 385 E. Pezzati, A. Magistris, and A. Schiraldi, Thermo-
electric Power of the Molten Systems (Cu, Me) CI and
(Cu, Me) Br ( M e = N a , K, Rb, Cs) 388 R. Haase, H. Jaramillo-Giraldo, and K. H. Diicker,
Conductivity of the Liquid System Formic Acid+Ace-
tic Acid (In German) 391 P. A. Büger and K. Reichelt, Decoration of Cleavage
Steps on CaF2 Crystal Surfaces 394 N u m b e r 4
Original Communications
W. Bauhoff, Angular Momentum and Discrete Sym- metries in the Spinor Bethe-Salpeter Equation . . . 395 W. Kern, Consequences of the Fundamental Inequality
(In German) 402 P.-T. Ong and W. Scheid, The Two Center Oscillator
Potential with Finite Depth 406 G. H. Ecker and A. Schumacher, Dynamic Screening
Model of the Electric Microfield Distribution . . . 413 L. Janicke, Adiabatic Invariance in the Average (In
German) 421 F. Vollendorf, Cayley Number and Conservation Laws
for Elementary Particles (In German) 431 H. Ziegelmann, Test of the Unitary Pole Approxi-
mation to the Malfiiet Potential for Elastic Neutron-
Deuteron Scattering 434 W. Wölfel, F. Noack, and M. Stohrer, Frequency De-
pendence of Proton Spin Relaxation in Liquid Crys-
talline PAA 437 F. Schuller and W. Behmenburg, Frequency Depen-
dence of Collisional Depolarization of Resonance
Radiation 442 D. Gebhard and W. Behmenburg, Resonance Broaden-
ing and Oscillator Strength of the Mercury Absorption
Line 1850 Ä 445 H. A. Ciaaßen, The Influence of Deviations from the
Maxwellian Electron Distribution on the Population Densities in a low Temperature Monatomic Plasma . 451 R. C. Sharma and K. Prakash, Thermal Instability in
Plasma with Finite Larmor Radius 461 P. A. Büger and S. El Alfy, Measurement of Excita-
tion Temperatures in a Glow Discharge Lamp (In
German) 466 S. Drautz and S. Steeb, Oxydation of Thin Ni-foils
Investigated by Electron Diffraction (In German) . . 471 M. Neiger, Quantitative Investigation of the Radiation
of the Negative Iodine Ion 474 Y. Waseda and M. Ohtani, Effective Interionic Poten-
tials and Properties of Molten Noble and Transition
Metals 485 T. Troost and J. Betten, On the General Formulation
of Yield Conditions under Consideration of Anisotropy
and Bauschinger-Effect (In German) 492
M. Suzuki and A. Guarnieri, Microwave Zeeman Spec-
trum of Hypochlorous Acid 497 M. E. Michel-Beyerle and W. Bube, Charge Separation
and Sensitized Hole Injection into Anthracene Crys-
tals (In German) 506 M. Greulich, G. Heppke, and F. Schneider, Determina-
tion of the Elastic Constants of MBBA and EBBA by Electric Conductivity Measurements (In German) . . 515 Th. Waltermann and F. Fischer, Torsional Shear Flow of MBBA in Magnetic Fields (In German) . . . . 519 K.-H. Bernhardt, Preparation and Superconducting Properties of Niobium Carbonitride Wires . . . . 528 G. Petrella, M. Castagnolo, and A. Sacco, The Con-
ductance of Sodium Perchlorate in Water-sulfolane
Mixtures at 35 °C 533 W. Nitsch, Dispersion of Localized Mode Polaritons in
K3Cu(CN)4 537
P. J. Mjöberg, W. M. Ralowski, and S. 0 . Ljunggren, Microwave Spectrum and Quadrupole Coupling Con-
stants of 2-Bromothiophene 541 F. Gleisberg, A. Haberl, and W. Zeil, The Structure
of Thiocarboxyl-chloro-fluoride as determined by Gas-
Electron-Diffraction (In German) 549 R. Kretner and G. Dickel, Enrichment of 14CH4 by
Thermal Diffusion for Use in Radiocarbon Dating . . 554 W. Meiske, W. Schmidt, and E. Kahrig, A new Pro- cedure for the Determination of Diffusion Coefficients from Quasi-stationary Diffusion Measurements in
Multicomponent Systems (In German) 561
Notes
T. D. Tribbeck, The Heats of Adsorption of the Tri-
chloroethanes on Porous Alumina 567 I. Kalinowski, J. G. Rabe, and W. F. Schmidt, On Ex-
cess Electron Mobility in Liquid and Glassy 3-Methyl-
pentane 568
N u m b e r 5 Original Communications
C. J. Winscom, Analysis of Spin Polarisation Tran- sients in Periodically Photo-excited Triplet States . . 571 G. Grensing, Induced Representations and Free Field
Equations 583 C. Bojarski and J. Kusba, Non-radiative Electronic
Excitation Energy Transfer in Two-dimensional Lumi-
nescent Systems (In German) 594 P. Mukhopadhyay, A Nonperturbative Approach to the
Problem n° 2 y 601 Ch. Heinsohn and J. Weber, Cooled Dye Laser . . . 606
J. Heidt, J. Heidt, and J. Gronowska, Substituted De- rivatives of 10-Phenyl-9-Acetoxyanthracene . . . . 612 R. V. Gopala Rao and A. K. Murthy, Self Diffusion in
Liquid Metals 619 F. Strohbusch and S. Bratan, The Computation of
Oxygen Containing Compounds by the MINDO/2'-
method (In German) 623 A. Alix, C. Cerf, and S. N. Rai, On the Calculation of
the Force Constants for Halides AX4 w(Td) Using an Empirical Constraint F33 (F2)/Fn {Ax) = Constant for
Similar Molecules and Ions 627 M. M. R. Williams, The Motion of a Thermally Con-
ducting Sphere in a Rarefied Gas, I. Low Speed Case . 636 F. Vollendorf, Gravitation and Bilocal Field Theory
(In German) 642 P. Brill, On the Paramagnetic Behaviour of Palladium-
Silver-Iron Alloys (In German) 645
W. Bauhoff, Numerical Solution of the Spinor-Spinor Bethe-Salpeter Equation in Functional Nonlinear Spi-
nor Theory 656 K. Yamada and M. Winnewisser, Ground State Centri-
fugal Distortion Constants of Vinyl Isocyanide, CH,-CH-CN, from the Microwave and Millimeter Wave
Rotational Spectra 672
Notes
H. Lechert, K.-P. Wittern, and H. J. Hennig, The Proton-resonance on Dioxane Adsorbed in Ca-Fauja-
sites with Different Si/Al-ratio (In German) . . . . 690 H. Mäder, H. Dreizler, and A. Guarnieri, A Contribu-
tion to the Investigation of Collision-Induced Tran-
sitions in the Microwave Range 693 M. N. Avasthi, A. K. Sharma, and (Miss) A. R. Sud,
Electronic Spectra of Antimony Monobromide. Part II 695
N u m b e r 6—7 Original Communications
G. Hildebrandt, J. D. Stephenson, and H. Wagenfeld, Photoelectric Atomic Absorption Cross Sections for Elements Z = 6 to 54 in the Medium Energy X-Ray
Range (5 to 25 keV) — Part I 697 H. Stumpf, Scalarproducts of Spinor Field Functionals
and State Representations in Nonlinear Spinor Field
Quantum Theory 708 A. Freudenhammer, Variational Method for Calcula-
tions of the Groundstate Energy (In German) . . . 721 S. Hess, Irreversible Thermodynamics of Nonequilib- rium Alignment Phenomena in Molecular Liquids and in Liquid Crystals. I. Derivation of Nonlinear Con- stitutive Laws, Relaxation of the Alignment, Phase
Transition 728 W. R. Rutgers and H. W. Kalfsbeek, Calculations and
Measurements of the Dynamic Stark Effect in Hydro-
gen 739 F. Köksal and H. Yiiksel, ESR of Gamma Irradiated
KHS04 Single Crystal 750
U. Konzelmann, D. Kilpper, and M. Schwoerer, Spin Lattice Relaxation in the Triplet State of Quinoxaline in Perdeuteronaphthalene and of two Similar Mixed
Crystals (In German) 754 J. Hoehler and S. Steeb, Structure of Aluminium-
Indium-Melts by Means of X-Ray-Wide Angle Dif-
fraction (In German) 771 J. Hoehler and S. Steeb, Inhomogeneities or Concen-
tration Fluctuations in Molten Al-In Alloys by Means of X-Rays Small Angle Scattering (In German) . . . 775 J. Hoehler and S. Steeb, Sound Velocity, Compressi- bility, and Partial Structure Factors ( s = 0 ) in Molten
Al-In-Alloys (In German) 784 P. C. Vogel and K. Heinzinger, A Molecular Dynamics
Study of Aqueous Solutions. II. Cesium Chloride in
H20 789
S. V. Mentus and M. V. Susie, The Electric Conduc- tivities and Densities of Molten SnCl2-ZnCl2 Binary
Mixtures 797 Y. Waseda, K. Yokoyama, and K. Suzuki, Structure
of Molten Mg, Ca, Sr, and Ba by X-ray Diffraction . 801 E. Schollmeyer, Computing of the Free Excess Energy and the Osmotic Coefficient to obtain Potential Pa- rameters of Short-range Interaction of Electrolyte
Solutions (In German) 806 A. A. Christodoulides, R. Schumacher, and R. N.
Schindler, Studies by the Electron Cyclotron Reso-
nance (ECR) -Technique I X : Interactions of Low- Energy Electrons with the Molecules CH2C12 and
CHCI3 in the Gas Phase 811 S. Pignataro and G. Distefano, Multi Peak ESCA
Bands in Substituted Benzenes and Heterocyclic Com-
pounds 815 G. Flor, Ch. Margheritis, and C. Sinistri, Miscibility
Gaps in Fused Salts. Note VIII. Mixtures Formed by
LiF and two Alkali Bromides 821 N. C. Haider and E. E. Johnston, X-Ray Diffraction
Study of HCP Metals. II. Line Broadening in Poly-
crystalline Zn and Mg Powder 825 M. De Paz and C. Macciö, Analysis of Conducting
and Insulating Surfaces by Means of Secondary Ion
Mass Spectrometry (SIMS) 831 G. K. Moortgat and P. Warneck, Relative 0 (JD )
Quantum Yields in the near UV-Photolysis of Ozone
at 298 K 835 G. van Hooydonk, On an Ionic Approximation to
Donor-Acceptor and Ion-Molecule Bonding, with
Reference to Solvation Effects 845 H. Lang and W. J. C. Müller, Slip Effects in Mix-
tures of Monatomic Gases for General Surface Ac-
commodation 855 R. von der Heide, Mobility and Formation of Cluster
Ions in Their Own Gas in He, Ne and Ar at High
Pressures (In German) 868 A. Asenbaum and M. Sedlacek, Hypersound Proper-
ties of Water-Ethanol Mixtures (In German) . . . 871 W. Witschel and J. Haars, Multipole Polarizabilities from Hartree-Fock Densities by Statistical Perturba-
tion Theory, a Semiempirical Approach 876 F. Köksal and G. J. Krüger, Electron Spin Relaxation
of (Diphenyl)- in Dimethoxyethane 883 F. Vollendorf, Bilocal Field Theory of Elementary
Particles (In German) 891 Ch. Margheritis, G. Flor, and C. Sinistri, Miscibility
Gaps in Fused Salts 896 C. S. Diatta, A. Czernichowski, and J. Chapelle, Mea-
surement of Stark Broadening and Shift of the He- lium I Line 2 = 4471.5 Ä and its Forbidden Com- ponent A = 4470 A for Electron Densities 7-101 4
<Ne[cm~3] < 3-101 6 900
A. Guarnieri, F. Rohwer, and F. Scappini, ^-Structure, Partial r-Structure, and Nitrogen Nuclear Quadrupole Coupling Constants of N-Nitroso-dimethylamine . . . 904
Notes
G. Flor, V. Massarotti, and R. Riccardi, Kinetics and Mechanism of MAg4I5 Formation in the Solid-State Reactions Between ß-Agl and MI (M = K, Rb, NH4) . 909 P. K. Shukla, M. Y. Yu, and K. H. Spatschek, Pa- rametric Side-Scattering by Waves Near the Hybrid Resonance Frequencies in Inhomogeneous Plasma . . 911 H. Capes and D. Voslamber, Plasma Correlation
Effects on Stark Broadening 913 R. Haase, M. Lethen, and K.-H. Diicker, Viscosity of
the Liquid System Chlorobenzene + Bromobenzene (In
German) 916 F. W. Röllgen and H. J. Heinen, The Energetics of
Formation of Doubly Charged Benzene Ions by Field
Ionization 918 G. Marowsky and M. Stuke, Interferometric Mode
Selector for a cw Dye Ring Laser 921
N u m b e r 8 Original Communications
J. Nitsch, The Correlated Basis Function Method and its Application to Liquid 3He, Nuclear Matter and
Neutron Matter 923 G. Ecker, K.-U. Riemann, and A. Scholz, Analysis of
the Relaxation of Wall Electrons in a Plasma . . . 937 J. Musil and F. Zäcek, Microwave Diagnostics of a
Strong Arc Discharge Plasma in SF6 947 K. Frohnecke and H. Fischbach, Direct Determination
of the Rate Constants for the Sr- and Ba-exchange Between the Small and Large Channels in LMS 13 X
(In German) 951 B. W. Epperlein, O. Lutz, and A. Schwenk, Fourier
Transform NMR Studies of 10B and nB in Aqueous
Solutions (In German) 955 H. Stockberger and A. Sittkus, A Method for Measure-
ment of the Krypton-85-content in the Atmosphere
(In German) 959 J. Schröder, Krypton-85 in the Ocean 962
W. Stegmann and F. Begemann, Cosmogenic Excess of 40K and the Flux of Fast Neutrons in Meteorites
(In German) 968 F. Winterberg, Focusing of an Intense Relativistic
Electron Beam by a Hollow Conical Laser Beam . . 976 H. P. Beck and L. Langkau, Secondary Electron Yield from Various Materials under the Impact of Light
Ions at High Energies (In German) 981 E. Tiemann and Th. Möller, Rotational Spectrum of
IBr (In German) 986 H. Richter and G. Breitling, Origin of the Small
Maxima in Molten Au, Ag, and Ga (In German) . . 992 A. Troost and J. Betten, Physical Interpretations of Isotropic and Anisotropic Yield-Condition (In German) 996 M. Winnewisser, G. Winnewisser, T. Honda, and E.
Hirota, Ground State Centrifugal Distortion Constants of Trans-Acrolein, CH2=CII —CHO from the Micro- wave and Millimeter Wave Rotational Spectra . . . 1001 P. Botschwina, K. Pecul, and H. Preuss, An ab initio Calculation of the Force Constants, Vibrational Fre- quencies, and Equilibrium Geometry of HCP . . . . 1 0 1 5 K. J. Lezuo, Form Factors for Rotational Levels in
i 2C ) i 60 ; 2 8S i a n d 4 oC a 1 0 1 8
J. A. Al-Khafaji and M. Shanshal, UV Absorption
Spectra of Methyl, Cyclopropyl Ketones 1023 H. K. Koski, A Study of the Cubic Phase of Solid
Acetylene-d2 1028
H. K. Koski, On the Lattice Parameters of the Ortho- rhombic Low Temperature Phase of Crystalline Ace-
tylene-d, 1032 M. Huhanantti and J. Kauppinen, Investigation of the
Structure of the r5 Band of Monofluoroacetylene . . 1039 F. Köksal and H. Yiiksel, Irradiation Damage Centers
in Magnesiumhypophosphite 1044 F. Hafner, R. Frey, M. Hauser, and G. Heidt, Excimer
Formation Kinetics of 3,4-Benzo[a]pyrene (In Ger-
man) 1049 K. Shahi and S. Chandra, EMF Measurements on the
Thermocell Ag (Tj)/Agl/Ag (T2) 1055 K. Nasu, Theory of Optical Band Shape for A ig —Tiu
Transition. II 1060 G. Schneider and R. Trommer, Transport Properties
and Quantum Oscillations of Te- and Sn-Doped
Bi94Sb6 (In German) 1071
Notes
R. Haase, R. Kottmann, and K.-H. Dücker, Diffusion in the Liquid System Chlorobenzene +Bromobenzene
(In German) 1084 W. Tauchert and W. F. Schmidt, Energy of the Quasi-
free Electron State in Liquid Argon, Krypton, and
Xenon 1085 D. L. Hildenbrand and E. Murad, Redetermination of
the Dissociation Energy of Europium Monoxide and Its Bearing on Atmospheric Release Experiments . . 1087 H. Meyer and A. Schweig, Semiempirical Calculations of the Static Electric Hyperpolarizabilities of Benzene 1089 C. Bojarski, A. Bujko, J. Dudkiewicz, and R. Twar- dowski, Resonance Quenching of Anti-Stokes Lumines- cence from Rhodamine B in Water Solutions . . . . 1091 P. L. Gai and C. N. R. Rao, Vacancy Ordering in
Anion-deficient LaNi03 1092
B. Bahadur, Specific Volume Studies on Some Nematic
Liquid Crystals 1094 M. Zander, E-type Delayed Fluorescence of l,l'-di-
coronyl in a Plastic Matrix 1097
N u m b e r 9 Original Communications
E. Haug, Bremsstrahlung and Pair Production in the
Field of Free Electrons 1099 W. E. Köhler and J. Halbritter, Kinetic Theory of
Thermal Diffusion in a Magnetic Field 1114 O. Lutz, A. Schwenk, and A. Uhl, Fourier Transform
Nuclear Magnetic Resonance Studies of 25Mg and
43Ca 1122
G. Kramer, C. O. Weiß, and J. Helmcke, Laser Fre- quency Stabilization by Means of Saturation Disper-
sion 1128 J. D. Stephenson, Photoelectric Atomic Absorption
Cross Sections for Elements Z = 6 to 54 in the Medium Energy X-ray Range 5 to 25 keV, Part II. A Compari- son with other Theoretical and Experimental Data . . 1133 A. Catherinot and A. Sy, Electron Temperature Deter- mination from Non-LTE Populations in a Nitrogen
Plasma JET 1143 K.-P. Wanczek, CI. Bliefert, and R. Budenz, Low
Temperature Infrared Spectrometric Studies of Di- fluorodisulfane, Thiothionylfluoride and Difluorotri-
sulfane 1156 G. M. Neumann, U. Müller, and E. Schmidt, Holo-
graphic Interferometry of Stationary and Instationary
Processes (In German) 1164 U. Seydel, R. Schöfer, and H. Jäger, Temperature and
Pressure of Exploding Wires at the Onset of Vapori-
zation (In German) 1166 K. Scheffler, S. Hieke, R. Haller, and H. B. Stegmann,
Temperature Dependence of ESR-Phosphorus Coupling Constants of Imunophosphorane Radicals (In German) 1175 G. Morawietz and CI. Bliefert, On the Relation be- tween Parameters of Substituents and Characteristic
Vibrational Frequencies (In German) 1181 H. Sterk and H. W. Schmidt, Semiempirical SCF-
LCAO-MO-calculations as an Aid for the 13C-shift
Determination (In German) 1185 W. Hoppe, Principles of Trace Structure Analysis in
Electron Microscopy 1188 Notes
T. C. Basey, A Note on the Generation of Twisting
" D " Metrics from Non-Twisting " D " Metrics . . . 1200
P. H. Handel, 1// Macroscopic Quantum Fluctuations of Electric Currents Due to Bremsstrahlung with Infra-
red Radiative Corrections 1201 A. Bielski and J. Szudy, Van der Waals Forces be-
tween Copper and Noble-Gas Atoms 1203 R. Grasser, G. Roth, and A. Scharmann, Reversible
Creation and Annihilation of a Violet Fluorescence
Band in Doped ZnS Crystals 1205 H. Lechert, W. Haupt, and H. Kacirek, The Proton
Resonance of Adsorbed Benzene in Zeolites of the Faujasite Type with Different Si/Al-ratios (In German) 1207 R. Haase, Direct Correlation between Diffusion Coeffi- cient and Transport Numbers in Dilute Electrolyte
Solutions 1211 F. P. Colonna, G. Distefano, G. Reichenbach, and S.
Satini, Steric Inhibition of Resonance in Ortho-sub- stituted Diphenylsulphides Studied by Photoelectron
(He I) Spectroscopy 1213 N u m b e r 10
Original Communications
W. Bauhoff and D. Englert, Mass Renormalization and Chiral Symmetry Breaking in Nonlinear Spinor Theory 1215 S. Hess, Irreversible Thermodynamics of Nonequilib- rium Alignment Phenomena in Molecular Liquids and in Liquid Crystals. II. Viscous flow and flow alignment in the isotropic (stable and metastable) and nematic
phases 1224 G. Borstel, L. Merten, and K. Rath, Theory of Stimu-
lated Raman Effect in Crystals (In German) . . . . 1233 B. W. Epperlein, H. Krüger, O. Lutz, A. Nolle, and W. Mayr, 53Cr Fourier Transform Nuclear Magnetic
Resonance Studies 1237 E. Frehland, Theory of the Polarized Fluorescence
Experiment 1241 F. Blum, P. A. Büger, and R. J. Murphy, Study on
the Ionic Bombardment in a Glow Discharge Lamp . 1247 R. Zollner, S. Sotier, Ch. Holzhey, and E. Lüscher, Knight-Shift in Liquid Cu-Ga Alloys with Mn Im-
purities (In German) 1250 P. Kuijpers, T. Törring, and A. Dymanus, Vibration-
Rotation Interaction in the Microwave Spectrum of
KOH 1256 P. Schattschneider and A. Wagendristel, Some Re-
marks on the Evaluation of Concentration Spectra in
Solids From X-Ray Diffraction Profiles 1261 L. Engelbrecht and D. H. Sutter, Comment on the
Analysis of Microwave Rotational Zeeman Effect
Spectra of Symmetric Top Molecules 1265 W. R. Rutgers, Observation of Turbulent Waves in a
Helium Plasma by Optical Spectroscopy 1271 P. J. Mjöberg, W. M. Ralowski, and S. O. Ljunggren,
Microwave Spectrum and Barrier to Internal Rotation
of 5-Methylisoxazole 1279 Th. Heumann and Th. Rottwinkel, An Improved
Method for Measuring and Analysing Chemical and Intrinsic Diffusion Coefficients Applied to Copper-Gold
Alloys (In German) 1282 H. Port and H. C. Wolf, Optical Spectra and Trans-
port Mechanism of Triplet Excitons in Pure Naph-
thalene Crystals (In German) 1290 J. U. von Schütz and M. Weithase, Proton Spin-Lattice
Relaxation on Crystalline Methylnaphthalenes by
Spin-Rotational Interaction (In German) 1302 N. N. Tyutyulkow, O. E. Polansky, and J. Fabian,
Band Structure of Linear Polyacenes 1308 H. Dreeskamp, E. Koch, and M. Zander, On the Fluo-
rescence Quenching of Polycyclic Aromatic Hydro-
carbons by Nitromethane 1311
W.-W. Falter, Photogeneration of Holes in 2,3-Di- methylnaphthalene by Weakly Absorbed Light (In
German) 1315
Notes
B. Fricke and V. L. Telegdi, Values for the Electron
Screening in Muonic Atoms for all Z 1328 E. K.-H. Wittich, J. Voitländer, and G. Lagaly, Nuclear
Magnetic Relaxation Measurements on the OH-Protons of a Crystalline Silicic Acid (In German) . . . . 1330
N u m b e r 11 Original Communications
F. Wahl, Many-Body-Systems and Exciton Model in
New-Tamm-Dancoff-Formulation 1333 G. M. Hardegree, Quasi-Implicative Lattices and the
Logic of Quantum Mechanics 1347 H. Stumpf and K. Scheerer, On the Construction of
Relativistic Representation Spaces in Functional Quantum Theory of the Nonlinear Spinor Field . . . 1361 J. Nitsch, Renormalized and Unrenormalized Jastrow Expansions of the Liquid Structure Function for Dense
Fermi Liquids 1372 H. G. Müller, The LCAO Interpolation Method Ap-
plied to Crystal Electrons in a Magnetic Field (In
German) 1378 K. Rath, G. Borstel, G. Lamprecht, and L. Merten,
Density of States of Polaritons in Cubic and Uniaxial
Crystals (In German) 1385 R. Lauer, Investigations Performed with the Lens
Method Concerning the Influence of Space Charge on
Brightness (In German) 1395 G. Klages and M. Straßmann, Dielectric Relaxation
of a,co-Halogen Alkanes in Dilute Solution (In Ger-
man) 1403 D. Einfeld and G. Sauerbrey, Continuum Radiation of
a Single Ionized Helium-Plasma in the Spectral Range
300 nm to 650 nm (In German) 1413 H.-P. Vollmer, Investigations on the Quantum Yield
and Stability of the Coloration of UV-Sensitive Spiro- pyran Layers Used as a Recording Material for Op-
tical Data Storage (In German) 1425 B. Stuke, Tensorial Chemical Potentials — a Neces-
sary Extension of Gibbs' Thermodynamics (In Ger-
man) 1433 W. Zeil, W. Braun, B. Haas, H. Knehr, F. Riickert,
and M. Dakkouri, Microwave Spectrum and Rotational Specific Constants of Methyl-chloro-silanes: CH3SiH2Cl,
CH3SiD2Cl, and CD3SiD2Cl (In German) 1441 P. Ferloni, M. Sanesi, and P. Franzosini, Phase Tran-
sitions in the Alkali Ct — n. C4 Alkanoates . . . . 1447 H. D. Lutz and P. Willich, Lattice Vibration Spectra.
XV. FIR-Spectra and Vibration Analysis of FeS, Mar-
casite (In German) 1458 P. Ganz, Energy Transfer in Anthracene Doped 2,3
Dimethylnaphthalene Single Crystals (In German) . 1462 Z.-Ch. Profus, K.-P. Wanczek, and H. Hartmann, Ion Chemistry of Phosphirane and Structure of the Phos-
phirane Molecular Ion 1470 J. Krüger, E. Schollmeyer, and J. Barthel, The In-
fluence of Higher Order Modes upon the Accuracy of Dielectric Constant Determinations Using Transmission Measurement Cells for Electrolyte Solutions Having Strongly Depressed Dielectric Constants in the Giga-
hertz Range 1476
R. Steudel, Vibrational Assignment and Force Con- stants of Cyclo Octaselenium, Se8, and of the Cyclo
Tetraselenium (2 + ) Cation, Se42+ 1481 N. C. Haider, J. Alonso, Jr., and W. E. Swartz, Jr.,
Valence and Core Electron Spectra of Mg in MgO . 1485
Notes
W. Sänger and J. Voitländer, NMR Spin-Spin Cou-
pling in HD 1491 G. Hildebrandt and J. D. Stephenson, A Note Con-
cerning a Recent Comparison of Hydrogen-Like and Hartree-Fock Calculations of the Imaginary Parts of
Atomic Scattering Factors for Silicon 1493 W. Sahm and A. Schwenk, Isotope Effect in the
Knight Shift of Potassium 1495 H. Behret and F. Schmithals, Conductivity Measure-
ments with Concentrated Solutions of Alkali Chlo-
rides and Nitrates (In German) 1497 J. Koller and A. Azman, Ab Initio SCF Procedure
with Localized Molecular Orbitals of Fragments . . 1499 B. R. Orton, A Model of the Structure of Liquid Ger-
manium 1500
N u m b e r 12 Original Communications
F. Bopp, Particles and Antiparticles According to Co-
variant Schrödinger Equations 1503 F. Vollendorf, Symmetry Group of a Closed Universe
(In German) 1510 L. Szasz, I. Berrios-Pagan, and G. McGinn, Density-
Functional Formalism 1516 M. Sorg, Hyperbolic Motion in the Finite-size Model
of the Radiating Electron 1535 E. Borie, An Improved Formula for the Radiative Tail
in Electron Scattering 1543 E. Haug, Electron-Electron Bremsstrahlung in a Hot
Plasma 1546 K. G. Müller and W. O. Müller, Simulation of the
Electron Energy Relaxation in a Weakly Ionized
Plasma 1553 M. Brünger and M. Kock, Electron Density Determi-
nation in an Arc Plasma by Laser Interferometry . . 1560 M. Nishida, The Behavior of Populations in a Rapidly
Expanding Plasma Flow 1563 G. Ahmadi, Functional Calcules of a Transferable
Scalar in a Turbulent Flow 1572 L. Lengyel and M. Salvat, Applicability of the Uni-
formly Expanding Universe Model to Laser Produced
Plasmas 1577 C. G. M. van Kessel, Shock Compression of Plane
Targets by Laser Ablation 1581 E. Räuchle and P. G. Schüller, Reflection Phenomena
of Torsional Alfven Waves in Inhomogeneous Mag-
netic Fields (In German) 1594 H. Schlüter and G. Schürger, Wave Absorption in a
Plasma with Two Ion Species (In German) . . . . 1600 E. Tiemann, W. U. Stieda, T. Törring, and J. Hoeft, Adiabatic Correction of the Born-Oppenheimer Ap-
proximation of PbS (In German) 1606 A. Kawski and M. Stori, Energy Transfer Among Like
and Unlike Molecules in Solution. III. Study of Fluo- rescence Quenching by Foreign Absorbing Substances
(In German) 1611 H.-D. Jannek and H. Rager, Coupled Proton and Fluo-
rine Nuclear Spin-Lattice Relaxation in MeSiF6-6H20 1615
F. W. Richter and K. Schmidt, Mössbauer-Spectro- scopy in the System Fei + arSb with NiAs-Structure (In
German) 1621 F. Schmidt, W. Gunßer, and A. Knappwost, Magnetic
and Mössbauer Spectroscopic Studies of Iron-Clusters
in Zeolites (In German) . . . . 1627 W. Hoyer, E. Thomas, and M. Wobst, X-ray Dif-
fraction Study of Molten Selenium and Tellurium and of Molten Selenium-Tellurium-Alloys (In German) . 1633 G. Heppke and F. Schneider, Investigation of Phase Transitions in Liquid Crystal by Means of Electrical Conductivity Measurements (In German) . . . . 1640 A. Wagendristel, An X-ray Optical Method for the Determination of Diffusion Properties in Very Thin
Bimetallic Films 1648 Y. Waseda and S. Tamaki, X-ray Diffraction Study of
Molten Te and Tl-Te Alloys 1655 P. J. P. De Maayer and J. D. Mackenzie, The Electri-
cal Properties of Thin Films of TiN^ and TiC^ . . . 1661 D. Götz, K. Heinzinger, and A. Klemm, The Depen- dence of the Oxygen Isotope Fractionation in the Hy- dration Water of CuS04 • 5 H20 on the Crystallization
Temperature 1667 H. Ichimura, D. Feinstein, and R. F. Schwartz, Double
Dielectric Relaxation of Non-Confocal Membrane-
Covered Ellipsoidal Particle Suspensions 1675 R. Kebabcioglu and V. Dyczmons, The Ring-opening
Reaction of the C3H3+-ion (In German) 1680 F. W. Röllgen and H.-R. Schulten, A New Method for
Surface Ionization of Organic Molecules by Attach- ment of Alkali Ions in Moderate Electric Fields . 1685 F. Fratev, Molecular Structure and Fluorescence from JT7T* Excited States of Organic Molecules (In German) 1691 A. Graovac, O. E. Polansky, N. Trinajstic, and N.
Tyutyulkow, Graph Theory in Chemistry II. Graph- Theoretical Description of Heteroconjugated Molecules 1696 M. Zander, F. Fratev, G. Olbrich, and 0 . E. Polansky, CNDO-CI Calculations of the Effect of N-Acylation on the Absorption and Phosphorescence Spectra of
Carbazole (In German) 1700 F. Fratev, O. E. Polansky, and M. Zander, Application
of Charater Orders for the Interpretation of Absorp- tion Spectra (N-Acetyl-carbazoles) (In German) . . 1704
F. Noack, M. Weithase, and J. von Schütz, Nuclear Magnetic Resonance Investigation of Molecular Rota- tion and Diffusion in Solid Benzene: Ji^-Spectroscopy
(In German) 1707 K. Ishida, A. W. S. Johnson, and G. Lehmpfuhl, Bloch-
Wave Analysis in Electron Diffraction Experiments . 1715 J. Brickmann, Properties of the Quantum Double Os-
cillator 1730 O. L. Stiefvater, Double Resonance Modulation as a
Technique in Microwave Spectroscopy I 1742 O. L. Stiefvater, Double Resonance Modulation as a
Technique in Microwave Spectroscopy II . . . 1756 O. L. Stiefvater, The Microwave Spectrum of 2,6-Di-
fluoropyridine I 1765 Notes
M. Heitzmann, Magnetic Interaction of Electrons (In
German) 1776 H. Engel, E. Gerst, H. Schneider, and R. Spitz, Life-
time Estimation of the 317.9 keV-Level in 129Xe (In
German) 1778 K. Hechler and P. Volk, Atomic Ordering in Super-
conducting Nb3Al 1779
H. Lutz and H. Dreizler, A Contribution to the Micro- wave Spectrum of Dimethylether-D6 in Excited Tor-
sional States 1782 H. B. Lai and Naseeb Dar, Low Temperature Magnetic
Susceptibility of Sm2(W04)3 1783 W. Schäfer and A. Schweig, Monitoring Chemical Re-
actions by Variable Temperature Photoelectron Spec-
troscopy. A New Thermal Reaction 1785 A. N. Nigam and R. Rani, Sign Reversal of Thermo
EMF on Hydrogen Diffusion in Thin Nickel Foils . . 1787 K. Kynev and R. Dafinova, Green Luminescent Centres in "Cold" Activated ZnS-Pb (In German) . . . . 1789 B. M. Rode and R. Ahlrichs, Quantum Chemical In-
vestigations on the Structure of the Gas Phase Ion Sol-
vates M+(DMF-CH3+) 1792
Berichtigungen 570 Berichtigung 922 Berichtigungen 1332 Berichtigung 1502 Berichtigungen 1794
