ENTRY 30793 20190315 31883079300000001
SUBENT 30793001 20190315 31883079300100001
BIB 9 26 3079300100002
TITLE Absolute determination of the spontaneous fission 3079300100003
yields of 252Cf by radiochemical method 3079300100004
AUTHOR (Chen Qingjiang,Su Shuxin,Guo Jinru,Yang Jingxia, 3079300100005
Chen Yundong,Li Xueliang,Zhang Hongdi,Lin Fa, 3079300100006
Sun Shuying,Zhang Shulan) 3079300100007
INSTITUTE (3CPRAEP) 3079300100008
REFERENCE (J,JRN,111,63,1987) 3079300100009
(J,CST,20,161,1986) same data in table 3079300100010
(J,HFH,6,1,1984) same data in table 3079300100011
SAMPLE 252Cf dissolved and electro-deposited, covered with 3079300100012
VYNS film. 3079300100013
Fission fragments could pass through the film. 3079300100014
METHOD Fission fragments collected on Al catcher foils 3079300100015
(22 mm diam, 0.2 mm thick, 5 mm distance to source.) 3079300100016
(CHSEP) Catcher foils dissolved in acid with carriers, 3079300100017
separation by isotope exchange then purified. 3079300100018
DETECTOR (PROPC) 2-pi gas-flow for beta counting. 3079300100019
(SCIN) plastic for beta counting. 3079300100020
(NAICR) well type (75 mm x 75 mm). 3079300100021
Efficiency calibration with standard sources assayed by3079300100022
absolute 4pi-beta-gamma coincidence counting. 3079300100023
CORRECTION Chemical yield, decay, efficiencies of counters. 3079300100024
HISTORY (20010404C) ML 3079300100025
(20160624U) VS. ERR-ANALYS moved to 002-003. 3079300100026
DECAY-DATA corrected in 002. 3079300100027
(20190315A) On. Major revisions in 002-003. 3079300100028
ENDBIB 26 0 3079300100029
NOCOMMON 0 0 3079300100030
ENDSUBENT 29 0 3079300199999
SUBENT 30793002 20190315 31883079300200001
BIB 8 55 3079300200002
REACTION (98-CF-252(0,F)ELEM/MASS,CUM,FY) 3079300200003
FLAG (1.) gamma-counting 3079300200004
(2.) beta-counting 3079300200005
MISC-COL (MISC) number of determinations 3079300200006
DECAY-DATA ((1.)35-BR-83,2.39HR) 3079300200007
((2.)38-SR-89,50.55D) 3079300200008
((3.)38-SR-91,9.75HR) 3079300200009
((4.)38-SR-92,2.7HR) 3079300200010
((5.)39-Y-93-G,10.1HR) 3079300200011
((6.)40-ZR-95,65.1D) 3079300200012
((7.)40-ZR-97,17.0HR) 3079300200013
((8.)42-MO-99,66.2HR) 3079300200014
((9.)44-RU-103,39.35D) 3079300200015
((10.)44-RU-105,4.44HR) 3079300200016
((11.)44-RU-106,368.2D) 3079300200017
((12.)46-PD-109-G,13.47HR) 3079300200018
((13.)47-AG-111-G,7.47D) 3079300200019
((14.)46-PD-112,21.12HR) 3079300200020
((15.)47-AG-113-G,5.37HR) 3079300200021
((16.)48-CD-115-G,53.38HR) 3079300200022
((17.)48-CD-115-M,44.1D) 3079300200023
((18.)48-CD-117-G,2.5HR) 3079300200024
((19.)50-SN-121-G,27.06HR) 3079300200025
((20.)50-SN-125-G,9.65D) 3079300200026
((21.)51-SB-127,92.4HR) 3079300200027
((22.)51-SB-129-G,4.32HR) 3079300200028
((23.)53-I-131,8.04D) 8.04 hr in the article by mistake3079300200029
((24.)52-TE-132,77.8HR) 3079300200030
((25.)53-I-133-G,20.9HR) 3079300200031
((26.)52-TE-134,41.8MIN) 3079300200032
((27.)53-I-135,6.61HR) 3079300200033
((28.)56-BA-139,82.7MIN) 3079300200034
((29.)56-BA-140,12.79D) 3079300200035
((30.)58-CE-141,32.55D) 3079300200036
((31.)59-PR-143,13.58D) 3079300200037
((32.)58-CE-144,284.3D) 3079300200038
((33.)60-ND-147,10.98D) 3079300200039
((34.)62-SM-153,46.8HR) 3079300200040
((35.)63-EU-156,15.17D) 3079300200041
((36.)65-TB-161,6.90D) 3079300200042
ERR-ANALYS (ERR-T) Quadature sum of the following uncertainties 3079300200043
(but 2*SD was used instead of SD): 3079300200044
(ERR-1,2.,12.) efficiency calibration (2-12%) 3079300200045
(ERR-2,1.,2.) chemical yield (1-2%) 3079300200046
(ERR-3,1.,2.) fission rate (1-2%) 3079300200047
(ERR-4,1.,15.) measured activity (1-15%) 3079300200048
(ERR-S,0.1,4.5) standard deviation SD (0.1-4.5%) 3079300200049
COMMENT By compiler: 3079300200050
The cumulative yields correspond to total chain 3079300200051
yields, except for A=113,115,121,125,134,135, 3079300200052
for which the chain yields are given in 30793.003. 3079300200053
STATUS (TABLE) Table 1 of J.Radioanal.Nucl.Chem.111(1987)63 3079300200054
HISTORY (20160624U) VS. ERR-ANALYS moved from 001 and coded 3079300200055
inform. added. DECAY-DATA corrected (Memo CP-D/888). 3079300200056
(20190315A) On. ERR-ANALYS revised. 3079300200057
ENDBIB 55 0 3079300200058
NOCOMMON 0 0 3079300200059
DATA 8 36 3079300200060
MASS ELEMENT ISOMER DATA ERR-T FLAG 3079300200061
MISC DECAY-FLAG 3079300200062
NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 3079300200063
NO-DIM NO-DIM 3079300200064
83. 35. 0.037 0.006 2. 3079300200065
3. 1. 3079300200066
89. 38. 0.347 0.016 2. 3079300200067
5. 2. 3079300200068
91. 38. 0.582 0.026 1. 3079300200069
4. 3. 3079300200070
92. 38. 0.725 0.046 1. 3079300200071
4. 4. 3079300200072
93. 39. 0.931 0.058 2. 3079300200073
4. 5. 3079300200074
95. 40. 1.15 0.04 1. 3079300200075
4. 6. 3079300200076
97. 40. 1.57 0.05 1. 3079300200077
4. 7. 3079300200078
99. 42. 2.52 0.09 1. 3079300200079
4. 8. 3079300200080
103. 44. 5.18 0.21 1. 3079300200081
5. 9. 3079300200082
105. 44. 5.70 0.37 1. 3079300200083
4. 10. 3079300200084
106. 44. 6.51 0.29 1. 3079300200085
5. 11. 3079300200086
109. 46. 6.48 0.32 1. 3079300200087
3. 12. 3079300200088
111. 47. 5.08 0.21 1. 3079300200089
4. 13. 3079300200090
112. 46. 4.27 0.29 1. 3079300200091
3. 14. 3079300200092
113. 47. 0. 4.23 0.30 1. 3079300200093
5. 15. 3079300200094
115. 48. 0. 2.49 0.12 1. 3079300200095
5. 16. 3079300200096
115. 48. 1. 0.165 0.019 1. 3079300200097
5. 17. 3079300200098
117. 48. 0. 1.36 0.12 1. 3079300200099
3. 18. 3079300200100
121. 50. 0. 0.0713 0.007 2. 3079300200101
4. 19. 3079300200102
125. 50. 0. 0.00760 0.0011 2. 3079300200103
4. 20. 3079300200104
127. 51. 0.0748 0.0055 1. 3079300200105
4. 21. 3079300200106
129. 51. 0.402 0.027 1. 3079300200107
4. 22. 3079300200108
131. 53. 1.35 0.09 1. 3079300200109
3. 23. 3079300200110
132. 52. 2.15 0.09 1. 3079300200111
6. 24. 3079300200112
133. 53. 3.02 0.29 1. 3079300200113
3. 25. 3079300200114
134. 52. 3.70 0.37 1. 3079300200115
4. 26. 3079300200116
135. 53. 4.55 0.39 1. 3079300200117
3. 27. 3079300200118
139. 56. 5.66 0.34 1. 3079300200119
4. 28. 3079300200120
140. 56. 5.77 0.20 1. 3079300200121
4. 29. 3079300200122
141. 58. 5.97 0.29 2. 3079300200123
6. 30. 3079300200124
143. 59. 5.86 0.55 2. 3079300200125
3. 31. 3079300200126
144. 58. 5.70 0.35 2. 3079300200127
8. 32. 3079300200128
147. 60. 4.14 0.16 2. 3079300200129
5. 33. 3079300200130
153. 62. 1.23 0.05 2. 3079300200131
3. 34. 3079300200132
156. 63. 0.70 0.09 1. 3079300200133
3. 35. 3079300200134
161. 65. 0.19 0.02 2. 3079300200135
5. 36. 3079300200136
ENDDATA 76 0 3079300200137
ENDSUBENT 136 0 3079300299999
SUBENT 30793003 20190315 31883079300300001
BIB 5 20 3079300300002
REACTION (98-CF-252(0,F)MASS,CHN,FY) 3079300300003
FLAG Method o obtain the chain yield using the cumulative 3079300300004
yield(s) of the same chain: 3079300300005
(1.) from decay branching in the chain (no data given);3079300300006
(2.) sum of cadmium isomer yields; 3079300300007
(3.) using fractional yields by K.F.Flynn et al., J. 3079300300008
Inorg.Nucl.Chem.37(1975)881; 3079300300009
(4.) using fractional yields by S.B.Manohar, Phys.Rev. 3079300300010
17(1978)188. 3079300300011
ERR-ANALYS (ERR-T) Quadature sum of the following uncertainties 3079300300012
(but 2*SD was used instead of SD): 3079300300013
(ERR-1,2.,12.) efficiency calibration (2-12%) 3079300300014
(ERR-2,1.,2.) chemical yield (1-2%) 3079300300015
(ERR-3,1.,2.) fission rate (1-2%) 3079300300016
(ERR-4,1.,15.) measured activity (1-15%) 3079300300017
(ERR-S,0.1,4.5) standard deviation SD (0.1-4.5%) 3079300300018
STATUS (TABLE) Table 1 of J.Radioanal.Nucl.Chem.111(1987)63 3079300300019
HISTORY (20160624U) VS. ERR-ANALYS moved from 001 and coded 3079300300020
inf. added. 3079300300021
(20190315A) On. ERR-ANALYS revised. 3079300300022
ENDBIB 20 0 3079300300023
NOCOMMON 0 0 3079300300024
DATA 4 6 3079300300025
MASS DATA ERR-T FLAG 3079300300026
NO-DIM PC/FIS PC/FIS NO-DIM 3079300300027
113. 4.70 0.33 1. 3079300300028
115. 2.66 0.14 2. 3079300300029
121. 0.0814 0.007 3. 3079300300030
125. 0.0160 0.0023 3. 3079300300031
134. 4.68 0.47 4. 3079300300032
135. 4.68 0.40 4. 3079300300033
ENDDATA 8 0 3079300300034
ENDSUBENT 33 0 3079300399999
SUBENT 30793004 20190315 31883079300400001
BIB 2 3 3079300400002
REACTION 1(98-CF-252(0,F),,AP,LF) 3079300400003
2(98-CF-252(0,F),,AP,HF) 3079300400004
STATUS (TABLE) Text (p69) of J.Radioanal.Nucl.Chem.111(1987)633079300400005
ENDBIB 3 0 3079300400006
NOCOMMON 0 0 3079300400007
DATA 2 1 3079300400008
DATA 1DATA 2 3079300400009
NO-DIM NO-DIM 3079300400010
106.39 141.82 3079300400011
ENDDATA 3 0 3079300400012
ENDSUBENT 11 0 3079300499999
ENDENTRY 4 0 3079399999999