Dark field proton radiography
Abstract
A pre- and post-collimation scheme has been applied to high energy proton radiography to establish a dark field condition, which defaults to a state of no transmission until a scatterer is placed at the object plane. This technique, dark field proton radiography, provides two additional capabilities to a standard proton radiography setup. First, protons with a high degree of angular dispersion are removed from the beam, reducing the effects of chromatic aberrations and decreasing noise. Second, protons below the same threshold are removed from the beam downstream of the objects, effectively making the transmission highly sensitive to small amounts of scatter at the object plane. Finally, initial results indicate that the system is highly sensitive to the presence of thinner materials and improves sensitivity to subtle areal density variations in thick objects.
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- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1841915
- Alternate Identifier(s):
- OSTI ID: 1671354
- Report Number(s):
- LA-UR-20-23116
Journal ID: ISSN 0003-6951; TRN: US2301323
- Grant/Contract Number:
- 89233218CNA000001
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 117; Journal Issue: 14; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Freeman, Matthew S., Allison, Jason Clark, Aulwes, Ethan Finn, Broder, B. A., Davis, Matthew Garrett, Espy, Michelle A., Magnelind, Per Erik, Mariam, Fesseha Gebre, Martinez, Lucas Isaac, Medina, Jaspm Jerry, Meijer, William Zachary, Merrill, Frank Edward, Morris, C., Neukirch, Levi Patrick, Prestridge, K. P., Saunders, A., Schurman, Tamsen, Sidebottom, Rachel Brittany, Tainter, A. M., Tang, Zhaowen, Trouw, Frans Raymond, Tupa, Dale, Tybo, Joshua L., and Wilde, C. H. Dark field proton radiography. United States: N. p., 2020.
Web. doi:10.1063/5.0021044.
Freeman, Matthew S., Allison, Jason Clark, Aulwes, Ethan Finn, Broder, B. A., Davis, Matthew Garrett, Espy, Michelle A., Magnelind, Per Erik, Mariam, Fesseha Gebre, Martinez, Lucas Isaac, Medina, Jaspm Jerry, Meijer, William Zachary, Merrill, Frank Edward, Morris, C., Neukirch, Levi Patrick, Prestridge, K. P., Saunders, A., Schurman, Tamsen, Sidebottom, Rachel Brittany, Tainter, A. M., Tang, Zhaowen, Trouw, Frans Raymond, Tupa, Dale, Tybo, Joshua L., & Wilde, C. H. Dark field proton radiography. United States. https://doi.org/10.1063/5.0021044
Freeman, Matthew S., Allison, Jason Clark, Aulwes, Ethan Finn, Broder, B. A., Davis, Matthew Garrett, Espy, Michelle A., Magnelind, Per Erik, Mariam, Fesseha Gebre, Martinez, Lucas Isaac, Medina, Jaspm Jerry, Meijer, William Zachary, Merrill, Frank Edward, Morris, C., Neukirch, Levi Patrick, Prestridge, K. P., Saunders, A., Schurman, Tamsen, Sidebottom, Rachel Brittany, Tainter, A. M., Tang, Zhaowen, Trouw, Frans Raymond, Tupa, Dale, Tybo, Joshua L., and Wilde, C. H. Fri .
"Dark field proton radiography". United States. https://doi.org/10.1063/5.0021044. https://www.osti.gov/servlets/purl/1841915.
@article{osti_1841915,
title = {Dark field proton radiography},
author = {Freeman, Matthew S. and Allison, Jason Clark and Aulwes, Ethan Finn and Broder, B. A. and Davis, Matthew Garrett and Espy, Michelle A. and Magnelind, Per Erik and Mariam, Fesseha Gebre and Martinez, Lucas Isaac and Medina, Jaspm Jerry and Meijer, William Zachary and Merrill, Frank Edward and Morris, C. and Neukirch, Levi Patrick and Prestridge, K. P. and Saunders, A. and Schurman, Tamsen and Sidebottom, Rachel Brittany and Tainter, A. M. and Tang, Zhaowen and Trouw, Frans Raymond and Tupa, Dale and Tybo, Joshua L. and Wilde, C. H.},
abstractNote = {A pre- and post-collimation scheme has been applied to high energy proton radiography to establish a dark field condition, which defaults to a state of no transmission until a scatterer is placed at the object plane. This technique, dark field proton radiography, provides two additional capabilities to a standard proton radiography setup. First, protons with a high degree of angular dispersion are removed from the beam, reducing the effects of chromatic aberrations and decreasing noise. Second, protons below the same threshold are removed from the beam downstream of the objects, effectively making the transmission highly sensitive to small amounts of scatter at the object plane. Finally, initial results indicate that the system is highly sensitive to the presence of thinner materials and improves sensitivity to subtle areal density variations in thick objects.},
doi = {10.1063/5.0021044},
journal = {Applied Physics Letters},
number = 14,
volume = 117,
place = {United States},
year = {Fri Oct 09 00:00:00 EDT 2020},
month = {Fri Oct 09 00:00:00 EDT 2020}
}
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