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An improved design of Faraday cup detector to reduce the escape of secondary electrons in plasma focus device by COMSOL
Affiliation:1. Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;2. Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;3. National Centre for Nuclear Research, 05-400 Otwock, Poland;1. Department of Food, Agricultural, and Biological Engineering, The Ohio State University, Columbus, Ohio, USA;2. Application Technology Research Unit, Agricultural Research Service, United States Department of Agriculture, Wooster, Ohio, USA;1. School of Physics, Damghan University, 36716-41167, Damghan, Iran;2. School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom;3. Hall Edwards Radiotherapy Research Group, Department of Medical Physics, University Hospital Birmingham, Birmingham B15 2TH, United Kingdom;1. Experimental Nuclear Physics Department, Nuclear Research Centre, P.O. 13759, Cairo, Egypt;2. Institute of High Energy Physics, CAS, Beijing 100049, China;3. Basic Sciences Dept., October High Institute For Engineering & Technology, 3rd District, October City, Egypt;4. Department of Physics, Karnatak University, Dharwad 580003, India
Abstract:Faraday cup (FC) is a beamline diagnostic which is used to measure the total charge of pulsed beams. The reliable operation of an FC depends on its ability to recapture the ejected electrons when energetic particles strike with interior cup(IC) of an FC. In this paper COMSOL multi-physics software is used to investigate the performance of two new proposed FCs. The FC with A = 40 mm and B = 98 mm had better efficiency in contrast with traditional FC geometries.
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