Enhancement and Transformation of the Phase Space Density of the NEPOMUC Positron Beam

At NEPOMUC, four different experiments are installed permanently and one beam port is open for positron experiments provided by external users. To match the different demands of these experiments on the phase space density of the positron beam, the established NEPOMUC remoderator was relocated and t...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.505 (1), p.12027-6
Main Authors: Piochacz, C, Erdnüß, E, Gigl, T, Grill, N, Hugenschmidt, C
Format: Article
Language:English
Subjects:
Experiments
Phase transformations
Physics
Positron beams
Positrons
Space density
Switches
Switching
Transformations
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Summary:At NEPOMUC, four different experiments are installed permanently and one beam port is open for positron experiments provided by external users. To match the different demands of these experiments on the phase space density of the positron beam, the established NEPOMUC remoderator was relocated and two novel beam switches were installed to provide the primary high-intensity beam or the remoderated high-brightness beam within short switching times. At the present state, the remoderated beam has a mean diameter of 1.85(35) mm and an intensity of 3.0(3) · 107 e+/s. For the transformation of the longitudinal phase space density a new buncher setup was developed which converts the continuous positron beam into a pulsed beam.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/505/1/012027