Dose rate estimates in the first optical enclosure due to particle beam loss in the insertion device transition region during injection | Zendy

P.K. Job | Zendy; H.J. Moe | Zendy

Open Access

Dose rate estimates in the first optical enclosure due to particle beam loss in the insertion device transition region during injection

Author(s) -

P.K. Job,

H.J. Moe

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/88519

Subject(s) - beam (structure) , vacuum chamber , storage ring , materials science , particle (ecology) , particle beam , enclosure , atomic physics , insertion loss , optics , neutron , insertion time , physics , optoelectronics , nuclear physics , electrical engineering , composite material , engineering , meteorology , airway , oceanography , geology

The particle beam, during injection into the storage ring, can be partly lost in one of the transition regions between the storage-ring vacuum chamber and the insertion-device (ID) straight section. The transition region is a copper interface between a standard aluminum vacuum chamber and an insertion-device vacuum chamber. This can be a problem, at least in the first few insertion devices where the injected beam is still unstable. It may create higher photon and neutron dose rates in the first optical enclosures of the upstream ID beamlines adjacent to this region. This report presents the results of the dose rate estimates for such an event and some recommendations for mitigation

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