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A novel transparent charged particle detector for the CPET upgrade at TITAN

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Klawitter,  Renee
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Citation

Lascar, D., Kootte, B., Barquest, B. R., Chowdhury, U., Gallant, A. T., Good, M., et al. (2017). A novel transparent charged particle detector for the CPET upgrade at TITAN. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 868, 133-138. doi:10.1016/j.nima.2017.07.003.


Cite as: http://hdl.handle.net/21.11116/0000-0000-FBEF-9
Abstract
The detection of an electron bunch exiting a strong magnetic field can prove challenging due to the small mass of the electron. If placed too far from a solenoid's entrance, a detector outside the magnetic field will be too small to reliably intersect with the exiting electron beam because the light electrons will follow the diverging magnetic field outside the solenoid. The TITAN group at TRIUMF in Vancouver, Canada, has made use of advances in the practice and precision of photochemical machining (PCM) to create a new kind of charge collecting detector called the "mesh detector.'' The TITAN mesh detector was used to solve the problem of trapped electron detection in the new Cooler PEnning Trap (CPET) currently under development at TITAN. This thin array of wires etched out of a copper plate is a novel, low profile, charge agnostic detector that can be made effectively transparent or opaque at the user's discretion. Crown Copyright (C) 2017 Published by Elsevier B.V. All rights reserved.