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author = "Barker, J" > : "HAL - Hyper Article on Line" (x)
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Found 6 documents, displaying page 1 of 1

MICROCLUSTER IITHE GEOMETRIES OF SOFT-SPHERE PACKINGS

Author(s) : Barker, J.
Description : Described here are the results of our attempts to design densely-packed, non-crystalline clusters of up to several hundred soft spheres. It is shown that units of dodecahedral symmetry can be built into large centrally-symmetric structures based on the 56 radial net. These designed clusters, along w...
Repository : HAL - Hyper Article on Line
Language(s) : English

QUANTUM PHYSICS OF RETARDED TRANSPORT

Author(s) : Barker, J.
Description : Many problems in hot electron physics, in particular the transport properties of sub micron devices, in volve space and time scales such that the semi-classical Boltzmann transport theory is invalid. Here we examine the temporal and spatial retardation effects associated with the evolution of the mi...
Repository : HAL - Hyper Article on Line
Language(s) : English

QUANTUM THEORY OF HOT ELECTRON-PHONON TRANSPORT IN INHOMOGENEOUS SEMICONDUCTORS

Author(s) : Barker, J. , Lowe, D.
Description : Functional derivative techniques are used to devise systems of coupled transport equations for the electron and phonon Wigner distributions evolving in the presence of inhomogeneous time-dependent strong electric fields. The formalism is designed to handle the quasi-particle dressing and undressing ...
Repository : HAL - Hyper Article on Line
Language(s) : English

Absolute calibration of small angle neutron scattering data using strong coherent scattering

Author(s) : Lee, D. , Barker, J. , Chen, S.
Description : Typically, small angle neutron scattering (SANS) data is normalized to an absolute scale using secondary standards such as water, polymers, silica gels, or irradiated aluminum. Errors for this method of calibration arise when the initial determination or calculation of the standard's scattering cros...
Repository : HAL - Hyper Article on Line
Language(s) : English

THE SPIN SPECTROMETER AT THE HOLIFIELD HEAVY-ION RESEARCH FACILITY AND SOME PLANNED EXPERIMENTS

Author(s) : Sarantites, D. , Jääskeläinen, M. , Hood, J. , Woodward, R. , Barker, J. , Hensley, D. , Halbert, M. , Chan, Y.
Description : The 4π multidetector γ-ray spectrometer at the Holifield Heavy-ion Research Facility (HH IRF) is described in some detail. The following important features of this spectrometer are discussed : (a) the geometric arrangement, (b) the actual performance of the individual detector elements, (c) the asso...
Repository : HAL - Hyper Article on Line
Language(s) : English

Search for supersymmetric particles assuming $R$-parity non-conservation in $e^+e^-$ collisions at $\sqrt{s}$ = 192 to 208 GeV

Author(s) : Abdallah, J. , Abreu, P. , Adam, W. , Albrecht, T. , Alderweireld, T. , Alemany-Fernandez, R. , Allmendinger, T. , Allport, P.
Description :
Repository : HAL - Hyper Article on Line
Language(s) : Undetermined
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Found 6 documents, displaying page 1 of 1