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  • 1
    Electronic Resource
    Electronic Resource
    Real and imaginary components of the alternating current magnetic susceptibility of RAl2 (R=Gd, Dy, and Er) in the ferromagnetic region (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 6255-6262 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The real (χac′) and imaginary (χac″) components of the ac magnetic susceptibility of the polycrystalline GdAl2, DyAl2, and ErAl2 have been measured as functions of temperature, ac and bias dc magnetic field amplitude, and ac magnetic field frequency. Both χac′ and χac″ of the ferromagnetic DyAl2 and ErAl2 are strongly dependent on the ac magnetic field parameters, especially when compared with those of the ferromagnetic GdAl2. The observed behavior of the ac magnetic susceptibility is determined mainly by the domain dynamics, rather than by a change of the exchange interactions below Curie temperature. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1415056
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  • 2
    Electronic Resource
    Electronic Resource
    Collision integrals for the interaction of the ions of nitrogen and oxygen in a plasma at high temperatures and pressures (1992)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 4 (1992), S. 386-391 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The corrections to the transport cross sections and collision integrals for Coulomb interactions arising from the application of realistic interaction energies of the ions of nitrogen and oxygen have been investigated. Accurate potential energy curves from an ab initio electronic structure calculation and a semiclassical description of the scattering are used to determine the difference between the cross sections for the real interaction forces and a Coulomb force for large values of the Debye shielding parameter. Graphs of the correction to the diffusion and viscosity collision integrals are presented for temperatures from about 10 000 K to 150 000 K. This correction can be combined with tabulations of the collision integrals for shielded Coulomb potentials to determine the contribution of N+–N+, N+–O+, and O+–O+ interactions to the transport properties of high-temperature air. Analytical forms have been fitted to the calculated results to assist this application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.860288
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  • 3
    Electronic Resource
    Electronic Resource
    Theoretical study of hydrogen and nitrogen interactions: N–H transport cross sections and collision integrals (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 97 (1992), S. 5578-5585 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Potential energy curves have been calculated for the X 3Σ− and 5Σ− states of NH using a complete-active-space self-consistent-field/multireference configuration-interaction procedure and extensive Gaussian basis sets. An accurate dipole moment function is computed for the X 3Σ− state. Transport cross sections have been calculated for the collisions of hydrogen and nitrogen atoms in their ground states. The mean transport cross sections are tabulated for collision energies in the range 0.0001–1 Eh; the mean collision integrals are listed for temperatures between 100 and 100 000 K. The ab initio energies for the 5Σ− state of NH are found to be consistent with the results of correlation studies and agree well with the prediction from combining relations using the energies of the highest spin states of H2 and N2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.463765
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  • 4
    Electronic Resource
    Electronic Resource
    QCD saturation and $\gamma^{*}$ - $\gamma^{*}$ scattering (2003)
    Springer
    The European physical journal 28 (2003), S. 483-493 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Two photon collisions at high energy have an important theoretical advantage: the simplicity of the initial state, which gives us a unique opportunity to calculate these processes for large virtualities of both photons in the perturbative QCD approach. In this paper we study QCD saturation in two photon collisions in the framework of the Glauber-Mueller approach. The Glauber-Mueller formula is derived emphasising the impact parameter dependence (bt) of the dipole-dipole amplitude. It is shown that non-perturbative QCD contributions are needed to describe the large b t behaviour, and the way how to deal with them is suggested. Our approach can be viewed as the model for the saturation in which the entire impact parameter dependence is determined by the initial conditions. The unitarity bound for the total cross section, its energy dependence as well as predictions for future experiments are discussed. It is argued that the total cross section increases faster than any power of $ \ln(1/x)$ in a wide range of energy or x, namely $\sigma(\gamma^*$ - $\gamma^*) \propto (1/Q^2) \exp(a \sqrt{\ln(1/x)}) \leq 1/m^2_{\pi}$ , where $\exp(a \sqrt{\ln(1/x)})$ reflects the x dependence of the gluon density $xG \propto \exp(2 a \sqrt{\ln(1/x)})$ and $m_{\pi}$ is the pion mass.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01174-8
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  • 5
    Electronic Resource
    Electronic Resource
    A quantitative investigation of the pomeron (1993)
    Springer
    The European physical journal 57 (1993), S. 677-684 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A comparative investigation of various pomeron models is carried out through the study of their predicted values of σtot,B, and $$\frac{{\sigma _{el} }}{{\sigma _{tot} }}$$ in high energypp and $$p\bar p$$ scattering. Our results strongly support a picture of the pomeron in which we have both moderate blackening and expansion of the $$p(\bar p) - p$$ amplitude in impact parameter space as a function of energy in the ISR-SSC domain. Our analysis shows the data is compatible with a hybrid eikonal model which combines the hard Lipatovlike QCD pomeron with the old fashioned soft pomeron and Regge terms. We show that the additive quark model, at least in the naive form, is not compatible with the data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01561488
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  • 6
    Electronic Resource
    Electronic Resource
    Many particle correlations in multiple production on nuclei (1980)
    Springer
    The European physical journal 5 (1980), S. 285-290 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the framework of the multiple scattering models we derive the relations between the many particle rapidity correlations on nuclei and on nucleons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01557814
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  • 7
    Electronic Resource
    Electronic Resource
    Incorporation of a metabolically inert amino acid into the central nervous system (1966)
    Springer
    Cellular and molecular life sciences 22 (1966), S. 746-748 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Le passage de l'acideα-amino isobutirique (AIBA) du sang vers le système nerveux central a été étudié en situation constante des niveaux sanguins. Un phénomène de barrière hémato-nerveux est rendu évident par rapport aux autres tissus. On n'a pas observé d'accumulation de l'acide aminé au-dessus des niveaux sanguins après une période de 25 h.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01901358
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  • 8
    Electronic Resource
    Electronic Resource
    Testing of the concrete placing complex on the Chirkeisk Hydroelectric station (1971)
    Springer
    Power technology and engineering 5 (1971), S. 212-219 
    Details
    ISSN: 1570-1468
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Conclusions 1. A test of a concrete placing complex, the basis of which is a mechanized peripheral rig, showed its technical-economical effectiveness. 2. With a section-sized rig which is movable from layer to layer without dismantling and with the small stationary cranes, network of engineering services, auxiliary equipment for work inside the block and a light tent located on it, concrete placement in a dam approaches conditions of concreting at a stationary industrial plant. 3. In concreting with the rig the time for a complete cycle can be brought down to 3.5–4 days and the rate of increase in height of the structure to 12–13 m per month. 4. The output in pouring concrete with the rig can be brought up to 8–10 m3 per man-day. 5. Twenty-five ton cable cranes with 500-m spans controlled by radio operate steadily and the attained parameters correspond to design characteristics. 6. The radio directed 8-m3 bucket basically meets the presented requirements but needs improvement in the construction and the placement of the vibrator and a change in the design of the door to eliminate its unintentional opening.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02378016
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  • 9
    Electronic Resource
    Electronic Resource
    Disappearance of different substances in contact with the external surface of the brain (1965)
    Springer
    Cellular and molecular life sciences 21 (1965), S. 734-735 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé La disparition de différentes substances en contact avec la surface externe du cerveau est étudiée. Les temps moyens de disparition de celles-ci suggèrent l'existence d'une barrière s'opposant au passage de ces substances du compartiment subarachnoïde crânien au tissu nerveux.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02138506
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  • 10
    Electronic Resource
    Electronic Resource
    Characteristic traits of the C-terminal fragment of pepsin (1966)
    Springer
    Russian chemical bulletin 15 (1966), S. 1818-1818 
    Details
    ISSN: 1573-9171
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848749
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