High efficiency cyclotron trap assisted positron moderator

Preprint English OPEN
Gerchow, L.; Cooke, D. A.; Braccini, S.; Döbeli, M.; Kirch, K.; Köster, U.; Müller, A.; Van Der Meulen, N. P.; Vermeulen, C.; Rubbia, A.; Crivelli, P.;
(2017)
  • Subject: Physics - Instrumentation and Detectors | High Energy Physics - Experiment
    arxiv: Physics::Accelerator Physics | Astrophysics::High Energy Astrophysical Phenomena

We report the realisation of a cyclotron trap assisted positron tungsten moderator for the conversion of positrons with a broad keV- few MeV energy spectrum to a mono-energetic eV beam with an efficiency of 1.8(2)% defined as the ratio of the slow positrons divided by t... View more
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