By R. Avakian, K. Ispirian (auth.), Helmut Wiedemann (eds.)

A NATO complex study Workshop on ”Advanced Radiation resources and purposes” was once held from August 29 to September 2, 2004. Hosted through the Yerevan Physics Institute, Yerevan, Armenia, 30 invited researchers from former Soviet Union and NATO international locations collected at Nor-Hamberd, Yerevan, at the slopes of Mount Aragats to debate fresh theoretical in addition to expe- psychological advancements on technique of generating photons from typically low strength electrons. Thismeetingbecamepossiblethroughthegenerousfundingprovidedbythe NATO technology Committee and the programme director Dr. Fausto Pedrazzini within the NATO Scienti?c and Environmental Affairs department. The workshop - rectors have been Robert Avakian, Yerevan Physics Institute, Armenia and Helmut Wiedemann, Stanford (USA). Robert Avakian supplied employees, logistics and - frastructure from the Yerevan Physics institute to guarantee a delicate execution of the workshop. distinctive thank you is going to Mrs. Ivetta Keropyan for admin- trative and logistics help to overseas viewers. The workshop used to be held on the institute’s hotel in Nor-Hamberd at the slopes of Mount Aragats now not faraway from the Yerevan cosmic ray station. The isolation and peaceable environment of the lodge supplied the historical past for a fruitful week of displays and discussions. Following our invites, 38 researchers during this ?eld got here to the workshop from Armenia, Belarus, Romania, Russia, Ukraine, Denmark, France, G- many and the united states. Commuting from Yerevan neighborhood scientists joined the day-by-day shows. Over a ?ve day interval forty shows have been given.

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Extra resources for Advanced Radiation Sources and Applications: Proceedings of the NATO Advanced Research Workshop, held in Nor-Hamberd, Yerevan, Armenia, August 29 - September 2, 2004

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12,14]. Here, Fig. 2 shows the Huygens construction for formation and focusing of the PXR wavetrain from a bent crystal. The spherical wavefronts are going from the points, where the particle crosses the crystallographic planes denoted by the reciprocal lattice G vector g1 . They are going to the focuses with a phase difference divisible by 2S and form the PXR wavetrain. For brevity, here we call such formation as the PXR focusing. Evidently, that the PXR energy (frequency) in the radial direction is the same as the energy (frequency) for the PXR at a right angle V =g1 .

Gatignon, P. Grafström, U. Mikkelsen, A. Freund, Z. Vilakazi, P. Siffert, M. Hage-Ali, New results from the CERN-SPS beam deflection experiments with bent crystals, Nucl. Instr. and Meth. B 119, 172180 (1996). 8. N. Doble, L. Gatigton, P. Grafstrom, A novel application of bent crystal channeling to the production of simultaneous particle beams, Nucl. Instr. and Meth. B 119, 181190 (1996). 9. T. Murphy, R. Carrigan, D. Chen, G. Jackson, N. -J. Shih, B. Cox, V. Golovatyuk, A. McManus, A. Bogacz, D.

D. M. Lugovskaya diffraction have been formulated in [1]. The influence of the dynamical effects on the formation of the fine structure of the PXR peaks was considered for the forward direction [2, 3], for the highly asymmetrical case [4], for the degenerate diffraction in the case of backward Bragg geometry [5]. The possible advantages and shortages of the PXR as the source of Xrays in comparison with other radiation mechanisms in the same wavelength range were discussed in [6]. It has been also shown that PXR could be mainly important for the spectral sensitive applications, that is, for the cases when the only high spectral intensity in the narrow wavelength range is important.

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