ENTRY 40335 20220317 42074033500000001 SUBENT 40335001 20220317 42074033500100001 BIB 12 24 4033500100002 TITLE Secondary neutrons spectrum arising at U-238 nuclei 4033500100003 bombardment by 14.3 MeV neutrons 4033500100004 AUTHOR (V.Ya.Baryba,B.V.Zhuravlev,N.V.Kornilov,O.A.Sal'nikov) 4033500100005 REFERENCE (R,FEI-671,1976) 4033500100006 INSTITUTE (4RUSFEI) 4033500100007 FACILITY (ACCEL,4RUSFEI) Accelerator NG-0.25 in pulsed 4033500100008 operating conditions, pulse duration 4. nsec, 4033500100009 current 5. microAmpere. 4033500100010 INC-SOURCE (D-T) 4033500100011 SAMPLE Metallic uranium, four-times depleted on U-235. 4033500100012 Hollow cylinders of size (mm) : 4033500100013 outer radius R1 inner radius R2 height H 4033500100014 U238 22.6 19.9 48.7 4033500100015 22.5 17.6 49.2 4033500100016 22.5 14.9 48.9 4033500100017 Stilbene 5. 0. 30. 4033500100018 METHOD (TOF) Time resolution 5 nsec (FWHM). 4033500100019 MONITOR (1-H-1(N,EL)1-H-1,,SIG) 4033500100020 DETECTOR (SCIN) Stilbene crystal of 70 mm diameter, 50 mm height4033500100021 with FEU-30 photomultiplier. 4033500100022 CORRECTION Correction on multiple scattering (estimated 4033500100023 experimentally) and absorption. 4033500100024 HISTORY (19790818C) 4033500100025 (20220317U) Update for current rules and dictionaries. 4033500100026 ENDBIB 24 0 4033500100027 COMMON 2 3 4033500100028 EN EN-RSL-HW 4033500100029 MEV MEV 4033500100030 14.3 0.12 4033500100031 ENDCOMMON 3 0 4033500100032 ENDSUBENT 31 0 4033500199999 SUBENT 40335002 20220317 42074033500200001 BIB 6 25 4033500200002 REACTION (92-U-238(N,X)0-NN-1,,DE) 4033500200003 ANALYSIS Mean range of a neutron in a sample, : 4033500200004 R2,mm ,cm 4033500200005 19.9 0.483 4033500200006 17.6 0.790 4033500200007 14.9 1.076 4033500200008 Measured energy distributions for each sample at 4033500200009 specified E were fitted as: 4033500200010 N(E)= SIGMA(E)+ B(E)*. 4033500200011 B(E) is given as MISC in DATA block. 4033500200012 SIGMA(E) - DATA. 4033500200013 MISC-COL (MISC) B(E), units mbarn/(MeV*cm) 4033500200014 ERR-ANALYS (ERR-T) Includes: 4033500200015 (ERR-1,4.5,36.) Least square method : 4033500200016 E,MeV Uncertainty,% 4033500200017 0.6 - 2.2 7.5 4033500200018 2.4 - 4.6 4.5 4033500200019 4.8 - 6.4 6.3 4033500200020 6.4 - 10. 36. 4033500200021 (ERR-2,3.5,5.5) detection efficiency 5.5% at En<2 MeV, 4033500200022 3.5% at En= 2.-10 MeV. 4033500200023 (ERR-3) Normalization error. 4033500200024 STATUS (TABLE) Table 2 of rep.FEI-671,1976 4033500200025 HISTORY (20220317A) ANALYSIS, MISC-COL, ERR-ANALYS, STATUS were4033500200026 added. DATA-ERR -> ERR-T. 4033500200027 ENDBIB 25 0 4033500200028 COMMON 1 3 4033500200029 ERR-3 4033500200030 PER-CENT 4033500200031 10. 4033500200032 ENDCOMMON 3 0 4033500200033 DATA 5 41 4033500200034 E DATA ERR-T MISC MISC-ERR 4033500200035 MEV MB/MEV MB/MEV SEE TEXT SEE TEXT 4033500200036 0.61 3055. 409. 4369. 743. 4033500200037 0.79 3429. 459. 2970. 505. 4033500200038 1.00 2910. 390. 2442. 415. 4033500200039 1.20 2654. 355. 1777. 302. 4033500200040 1.40 2355. 316. 1444. 245. 4033500200041 1.61 2037. 273. 1190. 202. 4033500200042 1.80 1877. 252. 948. 161. 4033500200043 1.98 1662. 223. 843. 143. 4033500200044 2.20 1435. 192. 771. 131. 4033500200045 2.40 1287. 141. 620. 71. 4033500200046 2.60 1193. 131. 474. 55. 4033500200047 2.82 1069. 118. 377. 43. 4033500200048 3.00 971. 107. 331. 38. 4033500200049 3.19 873. 96. 287. 33. 4033500200050 3.41 763. 84. 259. 30. 4033500200051 3.60 675. 74. 241. 28. 4033500200052 3.80 583. 64. 222. 26. 4033500200053 4.02 511. 56. 193. 22. 4033500200054 4.20 450. 50. 179. 21. 4033500200055 4.39 416. 46. 147. 17. 4033500200056 4.60 369. 41. 128. 36. 4033500200057 4.82 326. 40. 117. 33. 4033500200058 5.05 300. 37. 88. 25. 4033500200059 5.22 278. 34. 74. 21. 4033500200060 5.40 250. 31. 66. 18. 4033500200061 5.58 219. 27. 66. 18. 4033500200062 5.77 206. 25. 56. 16. 4033500200063 5.98 194. 24. 46. 13. 4033500200064 6.20 181. 22. 39. 11. 4033500200065 6.42 147. 40. 37. 10. 4033500200066 6.66 142. 54. 37. 15. 4033500200067 6.92 108. 41. 37. 15. 4033500200068 7.19 136. 52. 37. 15. 4033500200069 7.47 86. 32. 37. 15. 4033500200070 7.78 108. 41. 37. 15. 4033500200071 8.10 97. 37. 37. 15. 4033500200072 8.44 149. 57. 22. 9. 4033500200073 8.80 81. 31. 22. 9. 4033500200074 9.19 82. 31. 22. 9. 4033500200075 9.61 60. 23. 22. 9. 4033500200076 10.00 81. 31. 22. 9. 4033500200077 ENDDATA 43 0 4033500200078 ENDSUBENT 77 0 4033500299999 ENDENTRY 2 0 4033599999999