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Radionuclide-Production and Maintenance

Cockcroft Walton pre-injector

Cockcroft-Walton accelerator
Cockcroft-Walton accelerator

The proton energy of 870 keV is obtained from the 60 keV extraction voltage at the ion source and the 810 keV DC acceleration of the Cockcroft-Walton accelerator. Around 800 keV is the maximum energy available from a DC high voltage accelerator based on air isolation.


Injector-2 cyclotron for 72 MeV proton beams

72 MeV Cyclotron
72 MeV Cyclotron

The injector-2 is itself a ring cyclotron, but with 4 sectormagnets and with an extremly low injection ernergy of 870 keV. The 870 keV beam comes from the Cockcroft-Walton pre-injector.

Characteristics and values

• Injection ernergy: 870 keV (4.3% of light speed)
• Extraction energy: 72 MeV (37.1% of light dpeed)
• Beam current: 2.5 mA

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Contact

Roger Geissmann
Group leader
OIPA/11
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 25 38
E-mail: roger.geissmann@psi.ch

Group members

Muhamet Djelili
Alexander Sommerhalder

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Paul Scherrer Institut

Forschungsstrasse 111
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 21 11
Telefax: +41 56 310 21 99

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