Observation of parametric X-rays produced by 400 GeV/c protons in bent crystals

Observation of parametric X-rays produced by 400 GeV/c protons in bent crystals

Bibliografiset tiedot
Parent link:	Physics Letters B Vol. 701, iss. 2.— 2011.— [P. 180-185]
Muut tekijät:	Scandale W., Arduini G., Assmann R., Cerutti F., Gilardoni S., Uglov S. R. Sergey Romanovich, Gogolev A. S. Aleksey Sergeevich
Yhteenveto:	Title screen Spectral maxima of parametric X-ray radiation (PXR) produced by 400 GeV/c protons in bent silicon crystals aligned with the beam have been observed in an experiment at the H8 external beam of the CERN SPS. The total yield of PXR photons was about 10−6 per proton. Agreement between calculations and the experimental data shows that the PXR kinematic theory is valid for bent crystals with sufficiently small curvature as used in the experiment. The intensity of PXR emitted from halo protons in a bent crystal used as a primary collimator in a circular accelerator may be considered as a possible tool to control its crystal structure, which is slowly damaged because of irradiation. The intensity distribution of PXR peaks depends on the crystal thickness intersected by the beam, which changes for different orientations of a crystal collimator. This dependence may be used to control crystal collimator alignment by analyzing PXR spectra produced by halo protons. Режим доступа: по договору с организацией-держателем ресурса
Julkaistu:	2011
Aiheet:	электронный ресурс труды учёных ТПУ crystal proton parametric X-ray radiation кристаллы протоны параметрическое рентгеновское излучение
Linkit:	https://doi.org/10.1016/j.physletb.2011.05.060
Aineistotyyppi:	Elektroninen Kirjan osa
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668368

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