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Types of Particles Accelerated at the Facility (Facility Specific)
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Radiological Safety Training For Accelerator Facilities - index
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DOE-HDBK-1108-97
Radiological Training for Accelerator Facilities
Student's Guide
III.
RADIOLOGICAL CONCERNS
A.
Prompt Radiation
EO-04
DEFINE prompt radiation.
EO-05
DISCUSS the biological effects of radiation characteristics of accelerators.
EO-06
IDENTIFY prompt radiation sources at the facility.
Includes the accelerated particle beam and the radiation produced when the beam interacts with
matter or changes direction. It is only present when a beam is operating or being accelerated.
1.
Primary beam
The primary beam consists of accelerated charged particles prior to any interactions.
It is the most intense form of radiation present at an accelerator facility and is made
inaccessible to personnel through engineering design and administrative controls. Direct
exposure to a particle beam can result in a potentially dangerous, or even lethal, dose of
radiation.
2.
Secondary beam
Secondary beam is produced by interaction of the primary beam with targets or beamline
components. Some accelerators produce a secondary beam for use. Beam spray
(secondary radiation) can be produced by interaction with targets or beamline components.
This causes elevated radiation in the vicinity. The secondary beam is less intense than and
usually less energetic than the primary beam and may consist of:
16


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