ENTRY 33215 20251001 3321500000001 SUBENT 33215001 20251001 20260228 3321500100001 BIB 10 24 3321500100002 TITLE Charge distribution studies in the epi-cadmium 3321500100003 neutron induced fission of 238Pu 3321500100004 AUTHOR (H.Naik, R.J.Singh, S.P.Dange, W.Jang) 3321500100005 INSTITUTE (3INDTRM,3KORKNU) 3321500100006 REFERENCE (J,ARI,209,111312,2024) 3321500100007 FACILITY (REAC,3INDTRM) APSARA reactor 3321500100008 SAMPLE For short-lived fission products, nitrate solution of 3321500100009 238Pu (50 ug/ml) sealed in three different 3321500100010 polypropylene tubes of about 2 cm long and 3-mm inner 3321500100011 diameter were doubly sealed in alkathene bags and 3321500100012 wrapped separately with 1 mm thick Cd foil. 3321500100013 For long-lived fission products, electrodeposited 3321500100014 targets of 238Pu (~20 ug) were covered with 0.075 mm 3321500100015 thick Lexan foils. 3321500100016 DETECTOR (HPGE) 105 cm3 detector with 1.8 keV FWHM resolution at3321500100017 the 1332.5 keV gamma line of 60Co and 20% relative 3321500100018 efficiency. 3321500100019 METHOD Off-line gamma-ray spectrometry. 3321500100020 For short-lived target were irradiated one at a time 3321500100021 for 10-11 min at a flux of 1.2 X 10**12 n/cm2/sec. 3321500100022 For long-lived fission products targets were irradiate3321500100023 for 55 and 60 min. 3321500100024 STATUS (APRVD) Proof-read by H.Naik (2025-10-27) 3321500100025 HISTORY (20251001C) VT 3321500100026 ENDBIB 24 0 3321500100027 COMMON 1 3 3321500100028 EN-MIN 3321500100029 EV 3321500100030 0.5 3321500100031 ENDCOMMON 3 0 3321500100032 ENDSUBENT 31 0 3321500199999 SUBENT 33215002 20251001 20260228 3321500200001 BIB 4 18 3321500200002 REACTION 1(94-PU-238(N,F)ELEM/MASS,CUM,FY,,FRC/EPI,DERIV) 3321500200003 2(94-PU-238(N,F)ELEM/MASS,CUM,FY,,FRC/EPI) 3321500200004 ANALYSIS 1Measured cumulative yield divided by the chain yield 3321500200005 in ENDF/B-VIII.0 3321500200006 2Measured cumulative yield divided by cumulative yield 3321500200007 of last member of the chain or based on the 3321500200008 parent-daughter genetic equation. 3321500200009 ERR-ANALYS (ERR-S,1.,10.) Counting statistics (1-10%) 3321500200010 (ERR-SYS,6.25,7.79) Overall systematic error 3321500200011 (6.25-7.79%) 3321500200012 (ERR-1,0.2,0.8) irradiation time (0.2-0.8%) 3321500200013 (ERR-2) fission reaction rate (~5%) 3321500200014 (ERR-3) detector efficiency calibration (~3%) 3321500200015 (ERR-4) half-life of the fission products (~1%) 3321500200016 (ERR-5,2.,5.) gamma-ray intensity (2-5%) 3321500200017 (DATA-ERR) Uncertainty due to replicated measurements 3321500200018 (6.33-12.68%) 3321500200019 STATUS (TABLE,,H.Naik+,J,ARI,209,111312,2024) Table 1 3321500200020 ENDBIB 18 0 3321500200021 COMMON 3 3 3321500200022 ERR-2 ERR-3 ERR-4 3321500200023 PER-CENT PER-CENT PER-CENT 3321500200024 5. 3. 1. 3321500200025 ENDCOMMON 3 0 3321500200026 DATA 6 45 3321500200027 ELEMENT MASS DATA 1DATA-ERR 1DATA 2DATA-ERR 23321500200028 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 3321500200029 34. 84. 0.857 0.069 3321500200030 35. 86. 0.868 0.052 3321500200031 36. 87. 0.983 0.067 3321500200032 36. 88. 0.920 0.093 3321500200033 36. 89. 0.835 0.019 3321500200034 37. 89. 0.995 0.043 3321500200035 37. 90. 0.959 0.088 3321500200036 38. 91. 0.9972 0.0543 3321500200037 38. 92. 0.9805 0.0097 3321500200038 38. 93. 0.949 0.037 3321500200039 38. 94. 0.833 0.021 3321500200040 39. 95. 0.945 0.022 3321500200041 40. 97. 0.9778 0.0257 3321500200042 42. 101. 0.9956 0.0027 3321500200043 42. 103. 0.936 0.034 3321500200044 43. 105. 0.973 0.023 3321500200045 44. 107. 0.960 0.028 3321500200046 44. 108. 0.898 0.055 3321500200047 50. 127. 0.898 0.091 3321500200048 50. 128. 0.717 0.059 3321500200049 50. 129. 0.426 0.036 3321500200050 50. 130. 0.210 0.022 3321500200051 51. 129. 0.966 0.052 3321500200052 51. 130. 0.873 0.047 3321500200053 51. 131. 0.577 0.071 3321500200054 51. 132. 0.340 0.023 3321500200055 51. 133. 0.161 0.014 3321500200056 52. 131. 0.980 0.019 3321500200057 52. 132. 0.931 0.018 3321500200058 52. 133. 0.823 0.019 3321500200059 52. 134. 0.567 0.018 3321500200060 53. 135. 0.784 0.024 3321500200061 53. 136. 0.476 0.031 3321500200062 54. 137. 0.872 0.018 3321500200063 54. 138. 0.619 0.021 3321500200064 55. 138. 0.987 0.039 3321500200065 55. 139. 0.937 0.02 3321500200066 55. 140. 0.753 0.017 3321500200067 56. 139. 0.9993 0.0289 3321500200068 56. 141. 0.967 0.013 3321500200069 56. 142. 0.910 0.023 3321500200070 57. 144. 0.874 0.054 3321500200071 58. 146. 0.938 0.056 0.972 0.0583321500200072 58. 148. 0.584 0.062 3321500200073 61. 151. 0.952 0.066 3321500200074 ENDDATA 47 0 3321500200075 ENDSUBENT 74 0 3321500299999 SUBENT 33215003 20251001 20260228 3321500300001 BIB 5 7 3321500300002 REACTION (94-PU-238(N,F)MASS,SEC,ZP,,EPI) 3321500300003 ANALYSIS Gaussian fitting without considering the even-odd 3321500300004 effect. 3321500300005 MISC-COL (MISC) Isobaric dispersion parameter (Sigma(Z)) 3321500300006 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 3321500300007 STATUS (TABLE,,H.Naik+,J,ARI,209,111312,2024) Table 1 3321500300008 (DEP,33215002) Fractional cumulative yield 3321500300009 ENDBIB 7 0 3321500300010 NOCOMMON 0 0 3321500300011 DATA 4 37 3321500300012 MASS DATA DATA-ERR MISC 3321500300013 NO-DIM NO-DIM NO-DIM NO-DIM 3321500300014 84. 33.90 0.15 0.57 3321500300015 86. 34.85 0.13 0.60 3321500300016 87. 35.30 0.19 0.60 3321500300017 88. 35.65 0.21 0.60 3321500300018 89. 35.95 0.13 0.58 3321500300019 90. 36.42 0.19 0.62 3321500300020 91. 36.84 0.21 0.61 3321500300021 92. 37.20 0.12 0.61 3321500300022 93. 37.60 0.15 0.57 3321500300023 94. 38.00 0.09 0.58 3321500300024 95. 38.50 0.11 0.60 3321500300025 97. 39.38 0.15 0.61 3321500300026 101. 40.95 0.12 0.60 3321500300027 103. 41.70 0.13 0.54 3321500300028 105. 42.40 0.15 0.57 3321500300029 107. 43.34 0.16 0.66 3321500300030 108. 43.67 0.15 0.63 3321500300031 127. 49.94 0.19 0.42 3321500300032 128. 50.26 0.15 0.40 3321500300033 129. 50.59 0.14 0.49 3321500300034 130. 50.93 0.12 0.53 3321500300035 131. 51.38 0.15 0.56 3321500300036 132. 51.72 0.12 0.50 3321500300037 133. 52.10 0.09 0.55 3321500300038 134. 52.40 0.09 0.56 3321500300039 135. 53.04 0.11 0.56 3321500300040 136. 53.54 0.11 0.52 3321500300041 137. 53.90 0.09 0.55 3321500300042 138. 54.30 0.15 0.50 3321500300043 139. 54.62 0.15 0.58 3321500300044 140. 55.14 0.09 0.56 3321500300045 141. 55.50 0.11 0.54 3321500300046 142. 55.82 0.11 0.52 3321500300047 144. 56.75 0.15 0.62 3321500300048 146. 57.50 0.17 0.60 3321500300049 148. 58.36 0.12 0.60 3321500300050 151. 59.60 0.17 0.57 3321500300051 ENDDATA 39 0 3321500300052 ENDSUBENT 51 0 3321500399999 SUBENT 33215004 20251001 20260228 3321500400001 BIB 4 18 3321500400002 REACTION 1(94-PU-238(N,F)ELEM/MASS,IND,FY,,EPI,DERIV) 3321500400003 2(94-PU-238(N,F)ELEM/MASS,IND,FY,,EPI) 3321500400004 ANALYSIS 1Measured cumulative yield divided by the chain yield 3321500400005 in ENDF/B-VIII.0 3321500400006 2Measured cumulative yield divided by cumulative yield 3321500400007 of last member of the chain or based on the parent- 3321500400008 daughter genetic equation. 3321500400009 ERR-ANALYS (ERR-S,1.,10.) Counting statistics (1-10%) 3321500400010 (ERR-SYS,6.25,7.79) Overall systematic error 3321500400011 (6.25-7.79%) 3321500400012 (ERR-1,0.2,0.8) irradiation time (0.2-0.8%) 3321500400013 (ERR-2) fission reaction rate (~5%) 3321500400014 (ERR-3) detector efficiency calibration (~3%) 3321500400015 (ERR-4) half-life of the fission products (~1%) 3321500400016 (ERR-5,2.,5.) gamma-ray intensity (2-5%) 3321500400017 (DATA-ERR) Uncertainty due to replicated measurements 3321500400018 (6.33-12.68%) 3321500400019 STATUS (TABLE,,H.Naik+,J,ARI,209,111312,2024) Table 2 3321500400020 ENDBIB 18 0 3321500400021 COMMON 3 3 3321500400022 ERR-2 ERR-3 ERR-4 3321500400023 PER-CENT PER-CENT PER-CENT 3321500400024 5. 3. 1. 3321500400025 ENDCOMMON 3 0 3321500400026 DATA 6 65 3321500400027 ELEMENT MASS DATA 1DATA-ERR 1DATA 2DATA-ERR 23321500400028 NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS PC/FIS 3321500400029 50. 125. 0.124 0.0123321500400030 50. 127. 0.501 0.059 3321500400031 50. 128. 0.756 0.066 3321500400032 50. 129. 0.676 0.059 3321500400033 50. 130. 0.709 0.076 3321500400034 50. 131. 0.352 0.0353321500400035 50. 132. 0.109 0.0113321500400036 51. 127. 0.064 0.007 3321500400037 51. 128. 0.349 0.017 3321500400038 51. 129. 0.891 0.086 3321500400039 51. 130. 1.698 0.133 3321500400040 51. 131. 2.349 0.206 3321500400041 51. 132. 2.217 0.120 3321500400042 51. 133. 1.070 0.093 3321500400043 52. 129. 0.056 0.0063321500400044 52. 130. 0.351 0.0353321500400045 52. 131. 1.466 0.083 3321500400046 52. 132. 3.639 0.113 3321500400047 52. 133. 4.462 0.126 3321500400048 52. 134. 3.753 0.130 3321500400049 53. 131. 0.076 0.008 3321500400050 53. 132. 0.445 0.074 3321500400051 53. 133. 1.160 0.123 3321500400052 53. 134. 2.806 0.153 3321500400053 53. 135. 4.477 0.148 3321500400054 53. 136. 3.046 0.213 3321500400055 53. 137. 1.561 0.1563321500400056 54. 133. 0.027 0.0033321500400057 54. 134. 0.258 0.0263321500400058 54. 135. 1.349 0.101 3321500400059 54. 136. 3.446 0.173 3321500400060 54. 137. 4.111 0.116 3321500400061 54. 138. 4.115 0.150 3321500400062 54. 139. 2.160 0.2163321500400063 55. 136. 0.195 0.0203321500400064 55. 137. 0.827 0.0833321500400065 55. 138. 1.353 0.143 3321500400066 55. 139. 2.850 0.110 3321500400067 55. 140. 3.224 0.090 3321500400068 55. 141. 2.163 0.1083321500400069 55. 142. 1.366 0.0693321500400070 56. 139. 0.342 0.034 3321500400071 56. 140. 1.276 0.163 3321500400072 56. 141. 2.159 0.224 3321500400073 56. 142. 3.466 0.188 3321500400074 56. 143. 2.576 0.1293321500400075 56. 144. 1.665 0.1673321500400076 57. 140. 0.0365 0.0037 3321500400077 57. 141. 0.153 0.0153321500400078 57. 142. 0.483 0.048 3321500400079 57. 143. 1.194 0.1193321500400080 57. 144. 1.880 0.140 3321500400081 57. 145. 1.847 0.1853321500400082 57. 146. 1.216 0.122 3321500400083 58. 144. 0.249 0.0253321500400084 58. 145. 0.659 0.0663321500400085 58. 146. 1.255 0.156 3321500400086 58. 147. 1.284 0.1283321500400087 58. 148. 1.108 0.111 3321500400088 59. 146. 0.0675 0.0068 3321500400089 59. 147. 0.231 0.0233321500400090 59. 148. 0.641 0.064 3321500400091 59. 149. 0.929 0.0933321500400092 59. 150. 0.619 0.0623321500400093 59. 151. 0.326 0.033 3321500400094 ENDDATA 67 0 3321500400095 ENDSUBENT 94 0 3321500499999 SUBENT 33215005 20251001 20260228 3321500500001 BIB 3 4 3321500500002 REACTION (94-PU-238(N,F)ELEM,CHG,FY,,EPI) 3321500500003 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 3321500500004 STATUS (TABLE,,H.Naik+,J,ARI,209,111312,2024) Table 2 3321500500005 (DEP,33215002) Elemental yield for product isotope 3321500500006 ENDBIB 4 0 3321500500007 NOCOMMON 0 0 3321500500008 DATA 3 10 3321500500009 ELEMENT DATA DATA-ERR 3321500500010 NO-DIM PC/FIS PC/FIS 3321500500011 50. 3.363 0.282 3321500500012 51. 9.588 0.482 3321500500013 52. 15.869 0.756 3321500500014 53. 15.085 0.716 3321500500015 54. 16.083 1.069 3321500500016 55. 13.188 0.546 3321500500017 56. 12.284 0.401 3321500500018 57. 7.411 0.144 3321500500019 58. 5.475 0.216 3321500500020 59. 2.732 0.150 3321500500021 ENDDATA 12 0 3321500500022 ENDSUBENT 21 0 3321500599999 SUBENT 33215006 20251001 20260228 3321500600001 BIB 4 4 3321500600002 REACTION (94-PU-238(N,F)ELEM,SEC,AP,,EPI) 3321500600003 MISC-COL (MISC) Isotopic dispersion parameter (Sigma(A)) 3321500600004 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 3321500600005 STATUS (TABLE,,H.Naik+,J,ARI,209,111312,2024) Table 2 3321500600006 ENDBIB 4 0 3321500600007 NOCOMMON 0 0 3321500600008 DATA 5 10 3321500600009 ELEMENT DATA DATA-ERR MISC MISC-ERR 3321500600010 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 3321500600011 50. 128.325 0.068 1.783 0.268 3321500600012 51. 131.125 0.091 1.615 0.157 3321500600013 52. 133.051 0.078 1.357 0.120 3321500600014 53. 135.212 0.050 1.494 0.125 3321500600015 54. 137.292 0.127 1.436 0.034 3321500600016 55. 139.803 0.075 1.655 0.040 3321500600017 56. 142.138 0.135 1.578 0.082 3321500600018 57. 144.520 0.037 1.524 0.173 3321500600019 58. 146.995 0.068 1.545 0.121 3321500600020 59. 149.162 0.081 1.460 0.111 3321500600021 ENDDATA 12 0 3321500600022 ENDSUBENT 21 0 3321500699999 ENDENTRY 6 0 3321599999999