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Title: Design and Development of Emittance Measurement Device by Using the Pepper-pot Technique
Authors: S. Pakluea
S. Rimjaem
Authors: S. Pakluea
S. Rimjaem
Keywords: Physics and Astronomy
Issue Date: 20-Oct-2017
Abstract: © Published under licence by IOP Publishing Ltd. Transverse emittance of a charged particle beam is one of the most important properties that reveals the quality of the beam. It is related to charge density, transvers size and angular displacement of the beam in transverse phase space. There are several techniques to measure the transverse emittance value. One of practical methods is the pepper-pot technique, which can measure both horizontal and vertical emittance value in a single measurement. This research concentrates on development of a pepper-pot device to measure the transverse emittance of electron beam produced from an accelerator injector system, which consists of a thermionic cathode RF electron gun and an alpha magnet, at the Plasma and Beam Physics Research Facility, Chiang Mai University. Simulation of beam dynamics was conducted with programs PARMELA, ELEGANT and self-developed codes using C and MATLAB. The geometry, dimensions and location of the pepper-pot as well as its corresponding screen station position were included in the simulation. The result from this study will be used to design and develop a practical pepper-pot experimental station.
ISSN: 17426596
Appears in Collections:CMUL: Journal Articles

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