ENTRY 31852 20220714 32083185200000001 SUBENT 31852001 20220714 32083185200100001 BIB 11 23 3185200100002 TITLE Thermal/fast fission yield ratio signature for neutron 3185200100003 interrogation of nuclear materials 3185200100004 AUTHOR (M.Tohamy, E.K.Elmaghraby, E.H.El-hakim, M.N.H.Comsan) 3185200100005 INSTITUTE (3EGYCAI) 3185200100006 REFERENCE (J,PPN/L,19,152,2022) 3185200100007 SAMPLE Natural uranium in the form dioxide (UO2) in the shape 3185200100008 of sintered pellet with length 1.54 cm and thickness 3185200100009 1.26 cm was used as the target. 3185200100010 INC-SOURCE (AM-BE) 5 Ci source of 241Am-Be mixture having an 3185200100011 overall dimensions of 22 cm in height and 4.4 cm in 3185200100012 diameter. 1.1E+07 neutrons/sec expected. 3185200100013 DETECTOR (HPGE) ORTEC model GMX-70230 with an active volume of 3185200100014 190 cm3, relative efficiency of 70% and energy 3185200100015 resolution of 2.3 keV at 1.33 MeV. 3185200100016 METHOD (ACTIV) 3185200100017 ERR-ANALYS (DATA-ERR) No information on sources of uncertainty 3185200100018 (ERR-S) Statistical measurement uncertainties for 3185200100019 thermal and fast neutron irradiation. 3185200100020 (ERR-1) The systematic uncertainty in the efficiency 3185200100021 calibration. 3185200100022 STATUS (APRVD) Proof-read by M.Tohamy (2022-07-08) 3185200100023 (TABLE) Table 2 of Phys.Part.Nucl.Lett.19(2022)152 3185200100024 HISTORY (20220714C) VT 3185200100025 ENDBIB 23 0 3185200100026 NOCOMMON 0 0 3185200100027 ENDSUBENT 26 0 3185200199999 SUBENT 31852002 20220714 32083185200200001 BIB 4 18 3185200200002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,SPA) 3185200200003 DECAY-DATA ((1.)54-XE-135-G,9.14HR,DG,249.79,0.90) 3185200200004 ((2.)43-TC-101,14.2MIN,DG,306.81,0.89) 3185200200005 ((3.)55-CS-138-G,33.41MIN,DG,462.79,0.307) 3185200200006 ((4.)53-I-133-G,20.83HR,DG,529.87,0.87) 3185200200007 ((5.)53-I-132-G,2.295HR,DG,667.71,0.987) 3185200200008 ((6.)44-RU-105,4.44HR,DG,724.3,0.473) 3185200200009 ((7.)53-I-134-G,52.5MIN,DG,847.02,0.954) 3185200200010 ((8.)39-Y-92,3.54HR,DG,934.47,0.139) 3185200200011 ((9.)38-SR-91,9.63HR,DG,1024.3,0.334) 3185200200012 ((10.)53-I-135,6.58HR,DG,1260.4,0.287) 3185200200013 ((11.)38-SR-92,2.611HR,DG,1383.9,0.90) 3185200200014 ((12.)57-LA-140,1.6786D,DG,1596.5,0.954) 3185200200015 ((13.)36-KR-88,2.825HR,DG,2392.1,0.346) 3185200200016 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,SPA) 3185200200017 INC-SPECT An irradiation facility with source situated at the 3185200200018 center of a dual- hemisphere container filled with 3185200200019 water as a moderator was used. 3185200200020 ENDBIB 18 0 3185200200021 COMMON 1 3 3185200200022 EN-DUMMY 3185200200023 EV 3185200200024 0.0253 3185200200025 ENDCOMMON 3 0 3185200200026 DATA 7 13 3185200200027 ELEMENT MASS DATA DATA-ERR ERR-S ERR-1 3185200200028 DECAY-FLAG 3185200200029 NO-DIM NO-DIM PC/FIS PC/FIS PER-CENT PER-CENT 3185200200030 NO-DIM 3185200200031 36. 88. 3.67 0.24 2. 6.13185200200032 13. 3185200200033 38. 91. 5.86 0.33 3. 5.13185200200034 9. 3185200200035 38. 92. 5.99 0.34 1. 5.63185200200036 11. 3185200200037 39. 92. 5.88 0.76 12. 5.13185200200038 8. 3185200200039 43. 101. 5.08 0.34 4. 5.23185200200040 2. 3185200200041 44. 105. 0.95 0.07 6. 5.13185200200042 6. 3185200200043 53. 132. 4.3 0.23 1. 5.13185200200044 5. 3185200200045 53. 133. 6.45 0.34 1. 5.13185200200046 4. 3185200200047 53. 134. 7.66 0.41 2. 5.13185200200048 7. 3185200200049 53. 135. 6.37 0.38 2. 5.43185200200050 10. 3185200200051 54. 135. 5.8 0.34 2.6 5.23185200200052 1. 3185200200053 55. 138. 6.83 0.70 10. 5.13185200200054 3. 3185200200055 57. 140. 6.32 0.38 1. 5.83185200200056 12. 3185200200057 ENDDATA 30 0 3185200200058 ENDSUBENT 57 0 3185200299999 SUBENT 31852003 20220714 32083185200300001 BIB 4 19 3185200300002 REACTION (92-U-238(N,F)ELEM/MASS,CUM,FY,,SPA) 3185200300003 DECAY-DATA ((1.)54-XE-135-G,9.14HR,DG,249.79,0.90) 3185200300004 ((2.)43-TC-101,14.2MIN,DG,306.81,0.89) 3185200300005 ((3.)55-CS-138-G,33.41MIN,DG,462.79,0.307) 3185200300006 ((4.)53-I-133-G,20.83HR,DG,529.87,0.87) 3185200300007 ((5.)53-I-132-G,2.295HR,DG,667.71,0.987) 3185200300008 ((6.)44-RU-105,4.44HR,DG,724.3,0.473) 3185200300009 ((7.)53-I-134-G,52.5MIN,DG,847.02,0.954) 3185200300010 ((8.)39-Y-92,3.54HR,DG,934.47,0.139) 3185200300011 ((9.)38-SR-91,9.63HR,DG,1024.3,0.334) 3185200300012 ((10.)53-I-135,6.58HR,DG,1260.4,0.287) 3185200300013 ((11.)38-SR-92,2.611HR,DG,1383.9,0.90) 3185200300014 ((12.)57-LA-140,1.6786D,DG,1596.5,0.954) 3185200300015 ((13.)36-KR-88,2.825HR,DG,2392.1,0.346) 3185200300016 MONITOR (49-IN-115(N,INL)49-IN-115-M,,SIG,,SPA) 3185200300017 INC-SPECT By using irradiation facility without thermalization 3185200300018 to induce fission on 238U. Target was covered with 3185200300019 0.1 cm Cd capsule to eliminate thermal epithermal 3185200300020 neutrons. 3185200300021 ENDBIB 19 0 3185200300022 COMMON 4 3 3185200300023 EN-DUMMY MONIT +MONIT-ERR -MONIT-ERR 3185200300024 MEV MB MB MB 3185200300025 5. 269. 13. 15. 3185200300026 ENDCOMMON 3 0 3185200300027 DATA 7 13 3185200300028 ELEMENT MASS DATA DATA-ERR ERR-S ERR-1 3185200300029 DECAY-FLAG 3185200300030 NO-DIM NO-DIM PC/FIS PC/FIS PER-CENT PER-CENT 3185200300031 NO-DIM 3185200300032 36. 88. 2.41 0.26 9. 6.13185200300033 13. 3185200300034 38. 91. 4.11 0.36 7. 5.13185200300035 9. 3185200300036 38. 92. 4.41 0.31 4. 5.63185200300037 11. 3185200300038 39. 92. 4.38 0.79 17. 5.13185200300039 8. 3185200300040 43. 101. 6.32 2.29 35. 5.23185200300041 2. 3185200300042 44. 105. 3.79 0.44 10. 5.13185200300043 6. 3185200300044 53. 132. 4.99 0.43 7. 5.13185200300045 5. 3185200300046 53. 133. 6.76 0.45 4. 5.13185200300047 4. 3185200300048 53. 134. 6.87 0.47 4. 5.13185200300049 7. 3185200300050 53. 135. 6.34 0.61 8. 5.43185200300051 10. 3185200300052 54. 135. 6.51 0.64 8. 5.23185200300053 1. 3185200300054 55. 138. 6.13 2.27 36. 5.13185200300055 3. 3185200300056 57. 140. 4.27 0.3 4. 5.83185200300057 12. 3185200300058 ENDDATA 30 0 3185200300059 ENDSUBENT 58 0 3185200399999 ENDENTRY 3 0 3185299999999