ERDA at the low energy limit
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Date
2005-12
Publication Type
Conference Paper
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yes
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Abstract
Heavy ion ERDA (HIERDA) has so far been implemented mainly at accelerator facilities with beam energies between 10 and 100 MeV. This is an energy region where gas ionization chambers allow for good resolution and particle identification. Using an ionization chamber with a very thin patterned SiN entrance window heavy ions with an energy of a few hundred keV can be detected. By combining this detector with a time-of-flight spectrometer equipped with an ultra-thin diamond-like-carbon foil it is now possible to perform HIERDA with projectiles (e.g. iodine) of energies down to 1.5 MeV with good resolution. Beams of this type can be produced even with the smallest accelerators used in IBA. Consequences concerning the applicability of ERDA as well as scattering cross-sections, beam damage and multiple scattering will be discussed.
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published
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Book title
Volume
241 (1-4)
Pages / Article No.
428 - 435
Publisher
Elsevier
Event
18th International Conference on Application of Accelerators in Research and Industry (CAARI 2004)
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Subject
ERDA; Silicon nitride membranes; Gas ionization detectors; Time-of-flight
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Notes
Available online 1 September 2005.