Dark field proton radiography
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...
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| Veröffentlicht in: | Applied physics letters 2020-10, Vol.117 (14) |
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| container_title | Applied physics letters |
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| creator | 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. |
| description | 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. |
| format | Article |
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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.</creator><creatorcontrib>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. ; Los Alamos National Lab. 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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
| title | Dark field proton radiography |
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