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XV International Symposium on "Radiation from Relativistic Electrons in Periodic Structures "RREPS-25"

15–19 Sept 2025
Asia/Shanghai timezone

Contacs

Session

Channeling and Crystal-assisted Processes

18 Sept 2025, 08:30

Conveners

Channeling and Crystal-assisted Processes: Channeling and Crystal-assisted Processes

  • Alexander Potylitsyn

Presentation materials

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  1. 288. Modern Beams Channeling: Novel Accelerator Concepts
    Sultan Dabagov
    18/09/2025, 08:30
    Channeling and crystal-assisted processes
    Invited

    Channeling is the phenomenon well-known in the physics world mostly related to the motion of the beams of charged particles in aligned crystals. Since the beginning of 1970s channeling of high-energy leptons (electrons/positrons of several MeV up to hundreds of GeV energies) and hadrons (protons/ions of tens GeV up to several TeV energies) has been applied at various famous world research...

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  2. 236. Channeling experiments at the Mainz Microtron MAMI
    Werner Lauth (University Mainz)
    18/09/2025, 09:00
    Channeling and crystal-assisted processes
    Invited

    The Institute for Nuclear Physics of the University of Mainz operates the accelerator complex MAMI which supplies an electron beam with a maximum energy of 1.6 GeV and a beam current of up to 100 µA. Outstanding qualities of MAMI is the continuous beam with an excellent beam quality of 4 pi nm rad emittance, a very low energy spread of less than 10$^{-4}$, as well as its extremely high...

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  3. 347. High-harmonic Optical Vortex Generation and Amplification in a Laser-driven ''Shaken Waveguide''
    Longqing Yi (Shanghai Jiao Tong University)
    18/09/2025, 09:25
    Invited

    High-order harmonic generation by diffraction of a relativistically strong laser beam can facilitate spin-orbital interaction of light and leads to the generation of XUV optical vortex, where the spin angular momentum of a circularly polarized pulse is converted into the orbital angular momentum of the harmonic beams. These harmonic lights can be further amplified by employing a microplasma...

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  4. 289. Observation of X-ray parametric radiation from a relativistic electron passing a stack of Si crystal plates
    Dr Vahan Kocharyan (Institute of Applied Problems of Physics of NAS RA), Dr Yury Cherepennikov
    18/09/2025, 09:50
    Channeling and crystal-assisted processes
    Oral

    The radiation emitted by relativistic charged particles traversing natural or artificial periodic structures has been extensively studied in recent decades. Research has demonstrated that, within such periodic media, well-known phenomena, including Parametric X-ray Radiation (PXR), Cherenkov radiation, and transition radiation undergo interference effects that can significantly influence their...

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