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Channeling 2012

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

Session

S1.2 Coherent Bremsstrahlung

24 Sept 2012, 11:10
Alghero, Sardegna, Italy

Alghero, Sardegna, Italy

Hotel Calabona

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  1. 19. Coherent X-Ray Radiation Produced by Microbunched Beams in Amorphous and Crystalline Radiators
    Prof. Karo Ispirian (A.I. Alikhanian National Laboratory (Yerevan Physics Institute))
    24/09/2012, 11:10
    Coherent Bremsstrahlung
    A review on the coherent X-ray bremsstrahlung (CXBR), X-ray transition (CXTR), resonance transition (CXRTR), diffraction (CXDR), channeling (CXCHR), parametric (CXPXR) and crystalline undulator (CXCUR) radiation produced by microbunched beams passing through crystalline radiators without the accompanying SASE beams of X-ray FELs is given. Formulas for the spectral and angular distributions...
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  2. 121. Features of Non-Dipole Radiation by Relativistic Electron in Thin Crystal
    Dr Sergii Fomin (National Science Center "Kharkov Institute of Physics and Technology")
    24/09/2012, 11:40
    Coherent Bremsstrahlung
    The multiple scattering of ultrarelativistic electron on atoms of matter conduces to violation of the dipole regime of radiation process. It occurs when the mean-square angle of electron scattering within the coherence length of radiation θms exceeds the characteristic angle of radiation of relativistic particle θ ~ 1/γ, where γ is the electron Lorenz-factor. One of the well-known examples of...
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  3. 72. Coherent Bremsstrahlung from Neutrons
    Prof. Yuri Kunashenko (National Research Tomsk Polytechnic University; Tomsk State Pedagogical University)
    24/09/2012, 12:00
    In a present report we develop theory and study coherent bremsstrahlung emitted from neutrons passing through crystal with small angle with respect to crystal axis. We calculate the dependence of the neutron bremsstrahlung cross-section on the neutron energies, and emitted photon energies.
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  4. 68. Is it Possible to Produse Circularly Polarized $\gamma$-beam via Coherent Bremsstrahlung Process?
    Mr Konstantin Kruchinin (Tomsk Polytechnic University)
    24/09/2012, 12:20
    Coherent Bremsstrahlung
    Beams of polarized electrons and positrons play an important role in experiments for discovering physics beyond the standard model [1]. Circularly polarized $\gamma$-beams are used for longitudinally-polarized positrons producing. Nowadays, there are experimentally improved methods for generation circularly polarized $\gamma$-beams based on electron radiation in the helical...
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  5. 47. Investigation of Coherent Bremsstrahlung A-type and B-type at Electron Energy 200 MeV
    Dr Vladimir Ganenko (National Scientific Center "Kharkov Institute of Physics&Technology", Kharkov, Ukraine)
    24/09/2012, 12:40
    Coherent Bremsstrahlung
    Coherent bremsstrahlung (CB) linearly polarized photon beam has been produced at the MAX-lab facility at interaction of electron beam with energy E0=192.7 MeV with diamond crystals 0.1 mm [1]. Since then the CB characteristics of the A-type were studied for diamond crystal 0.1 mm and more thin crystal 0.5 mm thick, as well, for orientations when main contribution to the CB cross section gave...
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