Channeling 2012

Session

S3.1 Channeling & Crystal Collimation

25 Sept 2012, 09:00

Alghero, Sardegna, Italy

69. Multiple Volume Reflection as an Origin of Significant Scattering Intensity and Radiation Power Increase

Prof. Victor Tikhomirov (Research Institute for Nuclear Problems)

25/09/2012, 09:00

Channeling & Crystal Collimation

The effect of Multiple Volume Reflection from bent planes of one crystal combines the advantages of the space order of the planar and the strength of the axial fields. The experiments confirme that this effect gives rise to a five-time increase of one-plane Volume Reflection effect and manifests itself in much wider angular region than axial channeling. The advantages of the Multiple Volume...

58. Experiments with Bent Crystals for High Energy Ion Beams

Prof. Alexander Kovalenko (Joint Institute for Nuclear Research)

25/09/2012, 09:30

Channeling & Crystal Collimation

Short review of the experiments on the deflection and extraction (collimation) of high energy ion beams with bent crystals performed in the accelerator centers is presented. The channeling parameters depend on the ratio of particle momentum to its charge pz therefore the efficiency of the crystal deflector is the same for protons and ions with equal pz. The difference appears mainly in...

83. High-Energy Charged Particle Deflection by a Bent Crystal in TeV energy Region

Mr Igor Kyryllin (Akhiezer Institute for Theoretical Physics of National Science Center Kharkov Institute of Physics and Technology)

25/09/2012, 09:50

Channeling & Crystal Collimation

In this report the results of comparative analysis of the efficienciy of charged particle deflection by a bent crystal using different deflection mechanisms in the TeV energy region are presented.

124. Scattering of Relativistic Particles in Bent Crystal with Variable Curvature

Dr Gennady Kovalev (UofM)

25/09/2012, 10:10

Channeling & Crystal Collimation

The scattering of relativistic particles in a bent crystal potential with a variable curvature is considered using QM curvilinear squared Dirac equation and its classical relativistic spinless analogue with account of a dissipation. The equations are solved numerically and the result demonstrates several distinct features: • The reflection of positive and negative particles when. •...

35. On the Radiation Accompanying Volume Reflection

Ms LAURA BANDIERA (Università di Ferrara, INFN Sezione di Ferrara)

25/09/2012, 10:30

Channeling & Crystal Collimation

In last years, the effects of volume reflection (VR) and multiple volume reflection in one crystal (MVROC) were observed and widely studied mainly in connection with the problem of particle beam steering. Moreover, in the case of ultrarelativistic electron/positron beams, both effects are also interesting from the point of view of radiation emission. The electromagnetic radiation emitted by...