IBS Publications Repository: Improved large-energy-range magnetic electron-positron spectrometer for experiments with the Texas Petawatt Laser

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Improved large-energy-range magnetic electron-positron spectrometer for experiments with the Texas Petawatt Laser

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Title: Improved large-energy-range magnetic electron-positron spectrometer for experiments with the Texas Petawatt Laser

Author(s): G.D. Glenn; G. Tiwari; G. Dyer; C.B. Curry; M.E. Donovan; E. Gaul; M. Gauthier; S.H. Glenzer; J. Gordon; Hegelich B.M.; M. Martinez; E. McCary; M. Spinks; T. Ditmire

Subject: Detector design and construction technologies and materials, ; Plasma diagnostics - charged-particle spectroscopy

Abstract: © 2019 IOP Publishing Ltd and Sissa Medialab. We present the design, construction, and first use of a magnetic electron-positron spectrometer at the Texas Petawatt Laser facility. The Global Spectrometer for Positron and Electron Characterization (GSPEC) is capable of detecting electrons and positrons over a large energy range from 3-150 MeV and has been designed to diagnose the electrons and positrons accelerated by high-intensity laser interactions with over-critical targets