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| TUPSA036 |
Manufacturing Tolerances Estimation for Proton Linac Cavities |
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- I.V. Rybakov, V.V. Paramonov, A.K. Skasyrskaya
RAS/INR, Moscow, Russia
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The definition of manufacturing tolerances is one of the stages of accelerating structure construction. In case of proton linacs the value of accelerating field homogeneity is a critical parameter. It depends both on cells frequencies perturbations and the coupling coefficient perturbations. These values could be obtained using the numerical simulations of the characteristic electromagnetic oscillations in the cell. There is the method that allows the reduction of the simulations time and to avoid separate simulations for each geometrical parameter of the structure. This method was improved and extended for the pi/2-wave, pi-wave and travelling wave structures. Several examples of the method application, including the structure for the first cavity of the main part of INR linac, are presented.
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