ENTRY 30691 20220818 32083069100000001 SUBENT 30691001 20220818 32083069100100001 BIB 10 35 3069100100002 TITLE The measurement of absolute fission product yield for 3069100100003 spontaneous fission of 252Cf 3069100100004 AUTHOR (Li Ze, Liu Conggui, Lu Huijun, Liu Yonghui, 3069100100005 Wang Lianbi) 3069100100006 INSTITUTE (3CPRAEP) 3069100100007 REFERENCE (J,CNP,5,226,1983) In Chinese, English abstract 3069100100008 SAMPLE 252Cf source (8 mm dia., 0.3 ug) electroplated on a 3069100100009 0.1 mm thick platinum foil, coated with a 15 ug/cm2 3069100100010 vyns layer. 3069100100011 DETECTOR (GELI) 130 cm3 Co-axial detector(FWHM 1.85 keV at 3069100100012 1332.5keV) together with a Scorpio-3000 multichannel 3069100100013 analysis computer system for gamma ray measurements. 3069100100014 METHOD Fission products collected on aluminum catcher foil 3069100100015 in 0.374 pi geometry. The collection efficiency 3069100100016 was determined experimentally. Measurement of fission 3069100100017 product activity by gamma counting. 3069100100018 ANALYSIS Automated on-line gamma-spectrum analysis and peak 3069100100019 area determination for calculating fission product 3069100100020 activities. 3069100100021 CORRECTION Correction applied for: 3069100100022 -Decay during collection time 3069100100023 cooling time 3069100100024 measurement time 3069100100025 -Gamma pile-up 3069100100026 -Gamma-cascade coincidence. 3069100100027 The fission product samples were measured in the same 3069100100028 geometry as the calibration sources, so no correction 3069100100029 was necessary. 3069100100030 HISTORY (19850125C) Compiled by Liang Qichang 3069100100031 (20090915A) SD:Updated to new date formats,lower case. 3069100100032 Codes for uncertainties and COMMON section were 3069100100033 added to Subent 002. 3069100100034 OS. Added DECAY-FLAG to sub.2 and RESULT to sub.3 3069100100035 (20160624U) VS. DECAY-DATA corrected in 002. 3069100100036 (20220818A) VT. Revision in 002-003 3069100100037 ENDBIB 35 0 3069100100038 NOCOMMON 0 0 3069100100039 ENDSUBENT 38 0 3069100199999 SUBENT 30691002 20220818 32083069100200001 BIB 6 132 3069100200002 REACTION (98-CF-252(0,F)MASS,CHN,FY) 3069100200003 ANALYSIS Cumulative yields (not published) were calculated 3069100200004 after decay correction (see decay data). 3069100200005 The chain yields given in the data table were 3069100200006 calculated from the cumulative yields and the charge 3069100200007 distribution formula using ZP from R. 3069100200008 Vandeplosch et al.,(Nuclear fission, Academic Press, 3069100200009 1973, p.325), and a constant width of 0.8 charge units.3069100200010 DECAY-DATA The decay data given below were used for decay 3069100200011 correction in calculating the cumulative yields. This 3069100200012 list includes the fission products measured and their 3069100200013 precursors. 3069100200014 ((1.)35-BR-85,3.03MIN) Precursor 3069100200015 ((1.)36-KR-85-M,4.48HR,DG,151.18,0.76) 3069100200016 ((2.)35-BR-88,16.72SEC) precursor 3069100200017 ((2.)36-KR-88,2.84HR,DG,196.320,0.263) 3069100200018 ((3.)37-RB-91,14.MIN) precursor 3069100200019 Now its half-life is known to be ~1 min 3069100200020 ((3.)38-SR-91,9.5HR,DG,555.57,0.60) 3069100200021 product and precursor 3069100200022 ((3.)39-Y-91-M,49.7MIN,DG,555.57,0.949) 3069100200023 ((4.)37-RB-92,4.542SEC) precursor 3069100200024 ((4.)38-SR-92,2.71HR,DG,1383.94,0.90) 3069100200025 ((5.)38-SR-94,78.SEC) precursor 3069100200026 ((5.)39-Y-94,19.1MIN,DG,918.24,0.464) 3069100200027 ((6.)39-Y-95,10.31MIN) precursor 3069100200028 ((6.)40-ZR-95,64.0D,DG,724.18,0.442, 3069100200029 DG,756.72,0.544) 3069100200030 ((7.)40-ZR-97,16.9HR,DG,743.36,0.929) 3069100200031 ((8.)41-NB-99-M,2.43MIN) precursor 3069100200032 ((8.)42-MO-99,66.02HR,DG,140.508,0.899, 3069100200033 DG,181.07,0.061, 3069100200034 DG,739.5,0.124) 3069100200035 ((9.)42-MO-101,14.62MIN) precursor 3069100200036 ((9.)43-TC-101,14.2MIN,DG,306.86,0.889) 3069100200037 ((10.)43-TC-103,50.2SEC) precursor 3069100200038 ((10.)44-RU-103,39.35D,DG,497.08,0.86) 3069100200039 ((11.)42-MO-104,1.1MIN) precursor 3069100200040 ((11.)43-TC-104,18.MIN,DG,357.8,0.844) 3069100200041 ((12.)43-TC-105,7.61MIN) precursor 3069100200042 ((12.)44-RU-105,4.44HR,DG,469.37,0.176, 3069100200043 DG,676.36,0.157, 3069100200044 DG,724.21,0.475) 3069100200045 ((13.)44-RU-106,368.0D) precursor 3069100200046 ((13.)45-RH-106-G,30.0SEC,DG,511.80,0.2047, 3069100200047 DG,622.2,0.0995) 3069100200048 ((14.)44-RU-107,4.2MIN) precursor 3069100200049 ((14.)45-RH-107,21.7MIN,DG,302.8,0.67) 3069100200050 ((15.)46-PD-109-G,13.46HR,DG,88.04,0.036) 3069100200051 ((16.)46-PD-111-G,22.1MIN) precursor 3069100200052 ((16.)47-AG-111-G,7.45D,DG,342.118,0.0668) 3069100200053 ((17.)46-PD-112,20.12HR) precursor 3069100200054 ((17.)47-AG-112,3.12HR,DG,616.8,0.4289) 3069100200055 ((18.)46-PD-113-G,1.5MIN) precursor 3069100200056 ((18.)47-AG-113-G,5.37HR,DG,298.4,0.09) 3069100200057 ((19.)48-CD-115-G,53.5HR) precursor 3069100200058 ((19.)49-IN-115-M,4.486HR,DG,336.23,0.459) 3069100200059 ((20.)47-AG-117,42.0SEC) precursor 3069100200060 ((20.)48-CD-117-G,2.48HR,DG,273.30,0.17) 3069100200061 ((21.)50-SN-127-G,2.1HR) precursor 3069100200062 ((21.)51-SB-127,3.85D,DG,685.7,0.357) 3069100200063 ((22.)50-SN-128-G,60.0MIN) precursor 3069100200064 ((22.)51-SB-128-M,10.4MIN,DG,754.0,1.) 3069100200065 ((22.)51-SB-128-G,9.01HR,DG,754.0,1.) 3069100200066 ((23.)50-SN-129-M,7.5MIN) precursor 3069100200067 ((23.)51-SB-129-G,4.411HR,DG,812.8,0.465) 3069100200068 ((24.)52-TE-131-M,30.HR) precursor 3069100200069 ((24.)53-I-131,8.040D,DG,364.480,0.811) 3069100200070 ((25.)51-SB-132-M,4.21MIN) precursor 3069100200071 ((25.)52-TE-132,78.2HR,DG,228.16,0.885) 3069100200072 ((26.)52-TE-133-M,55.44MIN) precursor 3069100200073 ((26.)53-I-133-G,20.8HR,DG,529.872,0.862) 3069100200074 ((27.)52-TE-134,41.8MIN) precursor 3069100200075 ((27.)53-I-134-G,52.6MIN,DG,847.025,0.954) 3069100200076 ((28.)53-I-135,6.61HR) precursor 3069100200077 ((28.)54-XE-135-G,9.09HR,DG,249.794,0.903) 3069100200078 ((29.)54-XE-137,3.821MIN) precursor 3069100200079 ((29.)55-CS-137,30.17YR,DG,661.661,0.85) 3069100200080 ((30.)53-I-138,6.52SEC) precursor 3069100200081 ((30.)54-XE-138,14.177MIN,DG,258.3,0.302) 3069100200082 product+precursor 3069100200083 ((30.)55-CS-138-G,32.2MIN,DG,1435.86,0.763, 3069100200084 DG,462.79,0.307) 3069100200085 ((31.)55-CS-139,9.5310MIN) precursor 3069100200086 ((31.)56-BA-139,83.0MIN,DG,165.853,0.2376) 3069100200087 ((32.)55-CS-140,65.57SEC) precursor 3069100200088 ((32.)56-BA-140,12.746D,DG,162.650,0.0621, 3069100200089 DG,537.26,0.2439) 3069100200090 ((33.)57-LA-141,3.905HR) precursor 3069100200091 ((33.)58-CE-141,32.50D,DG,145.4405,0.488) 3069100200092 ((34.)56-BA-142,10.7MIN) precursor 3069100200093 ((34.)57-LA-142,92.4MIN,DG,641.17,0.489) 3069100200094 ((35.)57-LA-143,14.01MIN) precursor 3069100200095 ((35.)58-CE-143,33.0HR,DG,293.262,0.42) 3069100200096 ((36.)57-LA-144,39.95SEC) precursor 3069100200097 ((36.)58-CE-144,284.4D,DG,133.544,0.1109) 3069100200098 ((37.)57-LA-146,11.1SEC) precursor 3069100200099 ((37.)58-CE-146,13.96MIN,DG,316.8,0.53) 3069100200100 ((38.)59-PR-147,13.65MIN) precursor 3069100200101 ((38.)60-ND-147,11.0D,DG,91.105,0.279) 3069100200102 ((39.)59-PR-149,2.3MIN) precursor 3069100200103 ((39.)60-ND-149,1.8HR,DG,114.32,0.1914) 3069100200104 ((40.)60-ND-151,12.447MIN) precursor 3069100200105 ((40.)61-PM-151,28.40HR,DG,340.08,0.22) 3069100200106 ((41.)61-PM-153,5.33MIN) precursor 3069100200107 ((41.)62-SM-153,46.7HR,DG,103.1780,0.283) 3069100200108 ((42.)62-SM-155,22.1MIN,DG,104.32,0.751) 3069100200109 ((43.)62-SM-156,9.4HR,DG,204.0,0.217) 3069100200110 ((44.)62-SM-157,8.1MIN) precursor 3069100200111 ((44.)63-EU-157,15.15HR,DG,413.,0.1765) 3069100200112 STATUS (TABLE)The data were taken from Table 3, the errors 3069100200113 from Table 4, the decay data from Table 2 of the 3069100200114 publication. 3069100200115 Note: The ERR-S given in data table were calculated by 3069100200116 the compiler from the relative (%)errors given in 3069100200117 Table 4 of the publication. 3069100200118 ERR-ANALYS (ERR-T) The total errors are the root-mean-square 3069100200119 error of following components: 3069100200120 (ERR-S) Statistical error of gamma-ray peak area 3069100200121 determination 3069100200122 (ERR-1) Uncertainty in fission rate measurement 1.5%, 3069100200123 (ERR-2,2.4,4.2) Gamma detector efficiency 2.4 and 4.2% 3069100200124 respectively for the 2 geometries. 3069100200125 (ERR-3) Gamma pile-up correction 0.5%(only for some 3069100200126 mass chain yields). 3069100200127 (ERR-4,0.2,2.4) Gamma cascade coincidence correction 3069100200128 (only for some mass chain yields). 3069100200129 ** Note ** The uncertainties of decay data used for 3069100200130 decay correction are not included in the total error. 3069100200131 HISTORY (20160624U) VS. DECAY-DATA corrected (Memo CP-D/888). 3069100200132 (20220818A) VT. DECAY-DATA: 132Sb->132Sb-M replaced 3069100200133 DATA: replaced floating point to fixed point values.3069100200134 ENDBIB 132 0 3069100200135 COMMON 2 3 3069100200136 ERR-1 ERR-3 3069100200137 PER-CENT PER-CENT 3069100200138 1.5 0.5 3069100200139 ENDCOMMON 3 0 3069100200140 DATA 5 44 3069100200141 MASS DATA ERR-S ERR-T DECAY-FLAG 3069100200142 NO-DIM PC/FIS PC/FIS PC/FIS NO-DIM 3069100200143 85. 0.111 0.005 0.007 1. 3069100200144 88. 0.296 0.040 0.042 2. 3069100200145 91. 0.535 0.059 0.06 3. 3069100200146 92. 0.604 0.020 0.026 4. 3069100200147 94. 1.049 0.069 0.080 5. 3069100200148 95. 1.175 0.009 0.035 6. 3069100200149 97. 1.683 0.025 0.054 7. 3069100200150 99. 2.55 0.01 0.11 8. 3069100200151 101. 3.91 0.07 0.13 9. 3069100200152 103. 5.59 0.03 0.16 10. 3069100200153 104. 5.45 0.06 0.20 11. 3069100200154 105. 5.92 0.21 0.27 12. 3069100200155 106. 6.06 0.13 0.25 13. 3069100200156 107. 6.63 0.11 0.22 14. 3069100200157 109. 5.89 0.19 0.32 15. 3069100200158 111. 5.29 0.17 0.23 16. 3069100200159 112. 5.31 0.05 0.18 17. 3069100200160 113. 4.61 0.10 0.16 18. 3069100200161 115. 2.97 0.02 0.09 19. 3069100200162 117. 1.35 0.12 0.13 20. 3069100200163 127. 0.148 0.030 0.030 21. 3069100200164 128. 0.293 0.030 0.032 22. 3069100200165 129. 0.527 0.052 0.054 23. 3069100200166 131. 1.77 0.02 0.06 24. 3069100200167 132. 2.36 0.02 0.11 25. 3069100200168 133. 3.16 0.06 0.11 26. 3069100200169 134. 3.66 0.20 0.23 27. 3069100200170 135. 4.23 0.13 0.17 28. 3069100200171 137. 5.43 0.16 0.17 29. 3069100200172 138. 5.10 0.15 0.23 30. 3069100200173 139. 5.62 0.04 0.25 31. 3069100200174 140. 5.76 0.08 0.18 32. 3069100200175 141. 5.78 0.04 0.26 33. 3069100200176 142. 6.15 0.12 0.24 34. 3069100200177 143. 6.30 0.09 0.23 35. 3069100200178 144. 6.16 0.06 0.28 36. 3069100200179 146. 5.53 0.07 0.16 37. 3069100200180 147. 4.03 0.02 0.18 38. 3069100200181 149. 2.87 0.10 0.18 39. 3069100200182 151. 2.17 0.09 0.11 40. 3069100200183 153. 1.405 0.021 0.066 41. 3069100200184 155. 0.701 0.023 0.039 42. 3069100200185 156. 0.696 0.026 0.043 43. 3069100200186 157. 0.523 0.12 0.12 44. 3069100200187 ENDDATA 46 0 3069100200188 ENDSUBENT 187 0 3069100299999 SUBENT 30691003 20220818 32083069100300001 BIB 6 15 3069100300002 REACTION (98-CF-252(0,F)ELEM/MASS,IND,FY,,FRC) 3069100300003 ANALYSIS (DECAY) Gamma ray peaks of the fission products given 3069100300004 in the data table were measured repeatedly after 3069100300005 different decay times. The data points were fitted and 3069100300006 the decay curve extrapolated to zero decay time in 3069100300007 order to get the independent yield. The method for 3069100300008 calculating the fractional yields is not given. 3069100300009 DECAY-DATA (52-TE-134,41.8MIN) Precursor 3069100300010 (53-I-134-G,52.6MIN,DG,847.025,0.954) 3069100300011 (53-I-135,6.61HR) precursor 3069100300012 (54-XE-135-G,9.09HR,DG,249.794,0.903) 3069100300013 ERR-ANALYS (DATA-ERR) No information on source of uncertainties. 3069100300014 STATUS (TABLE) Data taken from Table 5 of publication. 3069100300015 HISTORY (20220818A) VT. DATA: replaced floating point to fixed 3069100300016 point values. 3069100300017 ENDBIB 15 0 3069100300018 NOCOMMON 0 0 3069100300019 DATA 4 2 3069100300020 ELEMENT MASS DATA DATA-ERR 3069100300021 NO-DIM NO-DIM NO-DIM NO-DIM 3069100300022 53. 134. 0.268 0.048 3069100300023 54. 135. 0.086 0.012 3069100300024 ENDDATA 4 0 3069100300025 ENDSUBENT 24 0 3069100399999 ENDENTRY 3 0 3069199999999