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|  DOE-HDBK-1108-97
Radiological Training for Accelerator Facilities
Instructor's Guide
Lesson Plan
Instructor's Notes
N
Beamline components.
N
Air.
N
Cooling liquids and working fluids.
4.
Beamline components
Beamline components may become radioactive
Discuss how the capture cross-
depending on:
section differs with different
N
Nature of the material.
material and how this affects
N
Proximity to the beam.
activation.
N
Beam characteristics.
Items that intercept a portion of the beam are
most likely to be activated and contaminated.
Among those items that have the highest
probability for activation are:
N
Targets: devices to intercept a portion of
See Glossary for definitions
the beam for purposes of producing
secondary beams.
N
Beam dumps or stops: used to absorb the
beam.
N
Collimators and scrapers: used to remove
unwanted diffuse "halo" that often exists
surrounding the central beam.
N
Septa and other magnets: used to align and
direct beams.
19
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