Critical dimensions of systems containing /sup 235/U, /sup 239/Pu, and /sup 233/U: 1986 Revision Page: 73 of 205

TABLE 15. CRITICAL DIMENSIONS OF REFLC TEI SPitERES, INFINITE
C( LINDFRS ANt) INFINITE SL.AIIS L)EI)D'CEI) FRON EXPERI1MENTPS
WITI PIi.- POLYSTYRENE CO.\MPACTS
11 Pu Iufinite Cy'vli dcir Infinite Slah
At omic Sphere Radius Diamet er Thickness
Rati' (cm) (cm) (cm)
PuO, Polystyrene, 2.30 g Pu,'culi1, 1 I .4IV, 4Pn:)
14.15 -: L. 17.9 0.7 5.9 1 0.2
, ='11 - watkr, -1.16 g Pu 'cli3, (I 2"PI :
8.1 : 0.1 10.2 0. 2.7 - 0.1
1110PuG - Water, 3.4f6 g Pu cmi, 0y Pu:
9.3 . 0.1 11.5 0.5 3.24 0.1
15 1u02 - Polystyrene, 1.12 g Pu/ci3, 2.2% 2"Pu:"
13.5- 0.2 17.2 0.4 6.0 i 0.1
15 PuO2 - Polystyrene, 1.05 g Pu/cmii3, 8.0% aoPu:"
15.6 --0.2 20.1 0.4 7.4 0.1
15 2u"Pu - Water, 1.62 g Pu/ ci3, 0% 2"4Pu:b
10.6 0.2 1:3.4 - 0.3 4.5 -r 0.1
l." "PuO - Wat er. 1.50 g Pu/cm3. 0% 240Pu:b
11.0 : 0.2 14.0 0.3 4.4 - 0.1
50 Pu( - Polystyrene. 0.367 g Pu/cm3, 18.35% 24uPu:"
20.0 : 1. 26.5 -- 0.2 10.9 0.1
50 2!Pu - Water, 0.521 g Pu/cm3 0% 2OPu:'
11.6 0.1 14.8 0.2 5.2 0.1
50 2"Pui0 - Water, 0.508 g Plu/cn3. 0c 240Pp:b
11.8 : 0.1 15.0 - 0.2 53 :: .1
50 Pu - Wat er. 0.521 g Pu/cnm' . 1.35-, 2oPu:b
17.2 0.1 22., : 0.2 9.4 ' 0.1
50 iPu( - \Water. 0.508 Pu emu. 18.35 i 2"4P):1
17.1 0.1 23.2 -: 0.2 9.6. 0.1
"Plexiglas reflector.
\ater reflector.

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Paxton, H.C. & Pruvost, N.L. Critical dimensions of systems containing /sup 235/U, /sup 239/Pu, and /sup 233/U: 1986 Revision, report, July 1, 1987; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1109879/m1/73/ocr/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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