WECAMH01
ITEP, Moscow, Russia
MEPhI, Moscow, Russia
WECAMH03
ITEP, Moscow, Russia
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WECAMH01 |
Ion Accelerators for Russian Mega-Science Projects | |
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| The mega-science facilities based on large scale accelerators are a distinctive feature of modernity. Today Nuclotron-based Ion Collider fAcility (NICA) is a flagman Russian mega-science project under implementation. As well several other projects of scientific facilities such as Dubna Electron-Radioactive Ion Collider fAcility (DERICA), 4th generation Dubna neutron source "Neptun" and Based on ECR and Linear Accelerator multidisciplinary facility (BELA) are under discussion. The ion linear accelerators required for these projects have different parameters - some of them are operated in cw mode another in pulses one, some has intensity of microamperes another tens of milliamperes, some of them accelerates proton beam only meanwhile another one accelerates ions up to uranium. Anyway the general structure of them (ion source, RFQ, normal conducting DTL and superconducting cavities) and approaches of the ion accelerator development are similar. The current status and main problems of the ion accelerator development for the projects are presented and discussed. | ||
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Slides WECAMH01 [45.011 MB] | |
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WECAMH03 |
Normally Conducting Linacs in Russian Accelerator Projects | |
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| At present, several accelerator projects are being developed in Russia, including ion linacs, such as NICA, DERICA, NEPTUN, BELA, etc. It is assumed that linacs will consist of two parts: normal conducting (NC) and superconducting (SC) linacs. The NC linacs are discussed in this article. Such linacs can differ each other significantly by mode of operation (pulsed or continuous), mass to charge ratio (1 - A/Z - 6.5), current magnitude (from 0.1 mA to 50 mA), etc. Anyway the layouts of these linacs have much in common. Different layouts of NC linacs are considered and the dynamics of particles in them for various projects is described. The requirements for the construction of NC linacs are substantiated, as well as the choice of the main parameters of the accelerating sections: operating frequency, maximum field strength, channel acceptance, focusing period structure, transition energy between accelerating sections, synchronous phase values, etc. The main design parameters of accelerating structures and their electrodynamic characteristics are given. The problems of technical realization for such linacs are discussed. | ||
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Slides WECAMH03 [15.640 MB] | |
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