Production of intense positron beams at the VEPP-5 injection complex

A source of positrons allowing 5 × 10 8 positrons accelerated to the energy of 70 MeV to be produced per pulse has been developed. The process of electron-positron pair production in an electromagnetic shower is used for production of positrons. The electromagnetic shower is generated in a tantalum...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2008-01, Vol.106 (1), p.77-93
Main Authors: Astrelina, K. V., Blinov, M. F., Vsevolozhskaya, T. A., Dikanskii, N. S., Emanov, F. A., Lapik, R. M., Logachev, P. V., Martyshkin, P. V., Petrenko, A. V., Rybitskaya, T. V., Skrinskii, A. N., Shiyankov, S. V., Yaskina, T. A.
Format: Article
Language:English
Subjects:
Astrophysics
BEAM PRODUCTION
CASCADE SHOWERS
Classical and Quantum Gravitation
EFFICIENCY
ELECTRON REACTIONS
ELECTRONS
Elementary Particles
Fields
Gravitation
MEV RANGE
NUCLEAR REACTION YIELD
Nuclei
PAIR PRODUCTION
PARTICLE ACCELERATORS
Particle and Nuclear Physics
Particles
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POSITRON BEAMS
POSITRONS
Quantum Field Theory
Relativity Theory
Solid State Physics
STORAGE RINGS
TANTALUM 181 TARGET
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Summary:A source of positrons allowing 5 × 10 8 positrons accelerated to the energy of 70 MeV to be produced per pulse has been developed. The process of electron-positron pair production in an electromagnetic shower is used for production of positrons. The electromagnetic shower is generated in a tantalum target by a beam of 2 × 10 10 electrons with energy 270 MeV. A high efficiency of positron collection (positron yield Y ≈ 0.1 GeV −1 ) is ensured by a unique design of the matching device.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776108010068