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Proton Straggling in Thick Silicon DetectorsStraggling functions for protons in thick silicon radiation detectors are computed by Monte Carlo simulation. Mean energy loss is constrained by the silicon stopping power, providing higher straggling at low energy and probabilities for stopping within the detector volume. By matching the first four moments of simulated energy-loss distributions, straggling functions are approximated by a log-normal distribution that is accurate for Vavilov k is greater than or equal to 0:3. They are verified by comparison to experimental proton data from a charged particle telescope.
Document ID
20170005232
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Selesnick, R. S.
(Air Force Research Lab. Kirtland AFB, NM, United States)
Baker, D. N.
(Colorado Univ. Boulder, CO, United States)
Kanekal, S. G.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
June 6, 2017
Publication Date
January 25, 2017
Publication Information
Publication: Nuclear Instruments and Methods in Physics Research B
Publisher: Elsevier
Volume: 394
ISSN: 0168-583X
Subject Category
General
Report/Patent Number
GSFC-E-DAA-TN43221
Distribution Limits
Public
Copyright
Other

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