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Channeling 2012

23–28 Sept 2012
Alghero, Sardegna, Italy
Europe/Rome timezone

Session

S2.1 Channeling Radiation & Related Fenomena

24 Sept 2012, 16:00
Alghero, Sardegna, Italy

Alghero, Sardegna, Italy

Hotel Calabona

Presentation materials

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  1. 16. Time Oscillations of the Intensity of Parametric and Diffracted Channeling X-Ray Radiation
    Prof. Vladimir Baryshevsky (Research Institute for Nuclear Problems)
    24/09/2012, 16:00
    Channeling Radiation & Related Phenomena
    The time evolution of parametric X-Ray radiation (PXR) and Diffracted Channeling X-Ray Radiation (DCR) produced by a relativistic charged particle passing through a crystal is studied. Formulas describing this processes are derived. It is shown that the conditions can be realized under which parametric X-ray radiation and DCR lasts much longer than the particle flight time through the...
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  2. 79. Comparison of the SLAC Experimental Data on the Radiation of Planarly Channeled Positrons with Theory Taking into Account the Medium Polarization
    Prof. Robert Avagyan (Alikhanian National Science Laboratory, Yerevan Physics Institute)
    24/09/2012, 16:30
    Channeling Radiation & Related Phenomena
    The experimental results on radiation of (4-16) GeV positrons channeled between the diamond crystallographic planes have been compared with theories without taking into account the medium polarization in many works. Recently it has been developed the corresponding theory taking into account the density effect, and it has been carried out comparison with the experimental data only at 4 GeV and...
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  3. 71. Plasmon “Wings” in the Photon Emission Spectra of the Quantum Channeled Particle
    Prof. Nikolay Kalashnikov (NATIONAL RESEARCH NUCLEAR UNIVERSITY MEPHI)
    24/09/2012, 16:50
    Channeling Radiation & Related Phenomena
    The photon emission of a quantum channeled particle, accompanied by a plasmon excitation in a crystal target is considered. It is taken into account that the plasmon energy in the crystal is of the same order with the depth of the potential well in which the channeled particle moves . A weak dispersion of the plasmons in the crystal is taken into account, which leads to the selection of the...
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  4. 53. High-Order Diffraction Reflection and DCR
    Dr Konstantin Korotchenko (National Research Tomsk Polytechnic University)
    24/09/2012, 17:10
    Channeling Radiation & Related Phenomena
    The goal of our repot is compare the results obtained by exact formula of DCR angular distribution and ones in dipole approximation.
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