Computer simulation of the pressure distribution for cyclotron’s vacuum chamber and ion beam guide line

El-Shazly, M.N.; Gulbekian, G. G.; Tikhomirov, A. V.

doi:10.1016/s0169-4332(00)00791-1

Cited by 3 publications

(1 citation statement)

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“…Estimation of the pressure in the beam chamber of a cyclotron is quite complicated because of its complex structure, where standard formulations cannot be applied. 4 Direct measurement of vacuum is also difficult because vacuum gauges do not work under the high magnetic field of 3-5 T. Estimation of pressure has mostly been carried out using computer simulations in accelerators and beam lines 4-7 and measurements have rarely been reported for cyclotrons. In order to estimate the pressure distribution in the central (median) plane of the beam chamber where the beam is accelerated, computer simulations were carried using Monte Carlo simulation software Molflow+ 8 on the beam chamber geometry of VECC SCC.…”

Section: Introductionmentioning

confidence: 99%

Performance of the beam chamber vacuum system of K = 500 cyclotron at Variable Energy Cyclotron Centre Kolkata

Pal

Duttagupta

2014

Review of Scientific Instruments

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The beam chamber of Variable Energy Cyclotron Centre, Kolkata's K = 500 superconducting cyclotron is pumped by liquid helium cooled cryopanel with liquid nitrogen cooled radiation shield. Performance of the vacuum system was evaluated by cooling the cryopanel assembly with liquid nitrogen and liquid helium. Direct measurement of beam chamber pressure is quite difficult because of space restrictions and the presence of high magnetic field. Pressure gauges were placed away from the beam chamber. The beam chamber pressure was evaluated using a Monte Carlo simulation software for vacuum system and compared with measurements. The details of the vacuum system, measurements, and estimation of pressure of the beam chamber are described in this paper.

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Section: Introductionmentioning

confidence: 99%