Slowing-down of relativistic heavy ions and its influence on angular distributions of Vavilov–Cherenkov radiation / E. I. Fiks [et al.]
Уровень набора: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Scientific Journal = 1984-Язык: английский ; резюме, eng.Страна: .Резюме или реферат: We performed calculations of Vavilov-Cherenkov radiation (VChR) angular distributions from relativistic heavy ions (RHI) taking account of their slowing-down in a radiator. The results of calculations show that the slowing-down of RHI in radiator leads to specific broadening of VChR ring thus forming specific VChR angular distribution which is different compared to well-known Tamm-Frank distribution. The key parameters which change drastically the VChR angular distribution from RHI are: energy, charge and mass of an ion; emission wave length and corresponding refractive index; stopping power and radiator thickness. The theory developed has been applied to the analysis of the earlier experiments (1996-2001) devoted to studies of the VChR angular distribution from Au RHI beam with energies ∼0.9 GeV/u at SIS-18 heavy ion accelerator (GSI, Darmstadt, Germany)..Примечания о наличии в документе библиографии/указателя: [References: p. 54 (14 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | черенковское излучение | энергия | потери | релятивистские тяжелые ионы | cherenkov radiation | energy loss | relativistic Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 54 (14 tit.)]
We performed calculations of Vavilov-Cherenkov radiation (VChR) angular distributions from relativistic heavy ions (RHI) taking account of their slowing-down in a radiator. The results of calculations show that the slowing-down of RHI in radiator leads to specific broadening of VChR ring thus forming specific VChR angular distribution which is different compared to well-known Tamm-Frank distribution. The key parameters which change drastically the VChR angular distribution from RHI are: energy, charge and mass of an ion; emission wave length and corresponding refractive index; stopping power and radiator thickness. The theory developed has been applied to the analysis of the earlier experiments (1996-2001) devoted to studies of the VChR angular distribution from Au RHI beam with energies ∼0.9 GeV/u at SIS-18 heavy ion accelerator (GSI, Darmstadt, Germany).
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