Deacon, L; Jolly, S; Wing, M; Keeble, F; Biskup, B; Goldblatt, A; Mazzoni, S; Deacon, L; Jolly, S; Wing, M; Keeble, F; Biskup, B; Goldblatt, A; Mazzoni, S; Petrenko, A; - view fewer (2016) A Spectrometer for Proton Driven Plasma Accelerated Electrons at AWAKE - Recent Developments. In: Petit-Jean-Genaz, C and Kim, DE and Kim, KS and Ko, IS and Schaa, VRW, (eds.) IPAC2016: Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW): Geneva, Switzerland.

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Abstract

The AWAKE experiment is to be constructed at the CERN Neutrinos to Gran Sasso facility (CNGS). This will be the first experiment to demonstrate proton-driven plasma wakefield acceleration. The 400 GeV proton beam from the CERN SPS will excite a wakefield in a plasma cell several meters in length. To probe the plasma wakefield, electrons of 10–20 MeV will be injected into the wakefield following the head of the proton beam. Simulations indicate that electrons will be accelerated to GeV energies by the plasma wakefield. The AWAKE spectrometer is intended to measure both the peak energy and energy spread of these accelerated electrons. Results of beam tests of the scintillator screen output are presented, along with tests of the resolution of the proposed optical system. The results are used together with a BDSIM simulation of the spectrometer system to predict the spectrometer performance for a range of possible accelerated electron distributions.

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