ENTRY 30785 20090909 31413078500000001 SUBENT 30785001 20090909 31413078500100001 BIB 11 34 3078500100002 TITLE Charge distribution in the 14.7 MeV neutron induced 3078500100003 fission of Th-232: Independent yields of isotopes of 3078500100004 Rh, Ag, in and Sb. 3078500100005 AUTHOR (Li Wenxin,Sun Tongyu,Sun Xiuhua,Fu Ming,Dong Tianrong,3078500100006 Zheng Manjiao) 3078500100007 INSTITUTE (3CPRIMP) 3078500100008 REFERENCE (J,PHE,11,376,198705) in Chinese, English abstract, 3078500100009 full tables 3078500100010 (C,86BEIJIN,47,198609) Short abstract, some data 3078500100011 SAMPLE Analytically pure Th(NO3)4*6H2O 3078500100012 FACILITY (CCW) 3078500100013 INC-SOURCE (D-T) 400KV generator 3078500100014 Neutron flux = 2x10**11 n/cm2/sec 3078500100015 METHOD (RCHEM,GSPEC) 3078500100016 The sample was dissolved in HCl and HNO3; the fission 3078500100017 products Ru, Rh, Pd, Cd, in, Sb, Te, and Mo (monitor 3078500100018 product), were separated using standard procedures: 3078500100019 see, e.g., He Huaxue Yu Fangshe Huaxue (=J.Nuclear and 3078500100020 Radiochem.) ,Vol.2 (No.1),P.9. 3078500100021 The separated products were mounted for measurement. 3078500100022 DETECTOR (GELI) 2 Ge(Li)-detectors, volumes: 80 and 140 cm3; 3078500100023 resolution at 1332 keV: 1.9 and 2.4 keV respectively. 3078500100024 ERR-ANALYS (DATA-ERR) Error of efficiency calibration: about 5 %. 3078500100025 the errors given are 1 standard deviation, calculated 3078500100026 as the weighted averages of 3-6 determinations. 3078500100027 The error of the monitor is not included. 3078500100028 Compiler's (ML) comment: 3078500100029 It is not stated whether the error of the efficiency 3078500100030 calibration is included 3078500100031 No other information is given. 3078500100032 HISTORY (19891008C) DW/ML 3078500100033 (19930125A) HW.-Corrections made in subents 003, 004.- 3078500100034 (19950517A) HW.-Reference added in subent 001.- 3078500100035 (20090725A) SD:Updated to new date formats,lower case. 3078500100036 ENDBIB 34 0 3078500100037 COMMON 2 3 3078500100038 EN EN-ERR 3078500100039 MEV MEV 3078500100040 14.7 0.3 3078500100041 ENDCOMMON 3 0 3078500100042 ENDSUBENT 41 0 3078500199999 SUBENT 30785002 20090909 31413078500200001 BIB 6 26 3078500200002 REACTION (90-TH-232(N,F)ELEM/MASS,CUM,FY) 3078500200003 MONITOR (90-TH-232(N,F)42-MO-99,CUM,FY) Value for 14.0 MeV 3078500200004 MONIT-REF (13291002,D.L.Swindle+,J,JIN,33,651,1971) 3078500200005 DECAY-MON (42-MO-99,66.0HR) Source: see under DECAY-DATA 3078500200006 DECAY-DATA ((1.)44-RU-103,39.4D,DG,497.1,0.864) 3078500200007 ((2.)44-RU-105,4.44HR) 3078500200008 ((3.)44-RU-106,368.D) 3078500200009 ((4.)47-AG-111-G,7.47D) 3078500200010 ((5.)46-PD-112,21.05HR) 3078500200011 ((6.)47-AG-113,5.37HR) assumed by compiler (isomer not 3078500200012 given in paper) 3078500200013 ((7.)48-CD-115-G,53.5HR) 3078500200014 ((8.)48-CD-117-G,2.40HR) 3078500200015 ((9.)48-CD-117-M,3.40HR) 3078500200016 ((10.)51-SB-125,2.77YR) 3078500200017 ((11.)51-SB-127,3.85D) 3078500200018 ((12.)51-SB-129,4.32HR) 3078500200019 ((13.)52-TE-132,78.2HR) 3078500200020 The decay data were taken from the gamma-ray catalog: 3078500200021 U.Reus et al, report GSI 79-2 (Feb.1979) 3078500200022 The data used are not given in the paper. Therefore 3078500200023 only the half-lives given in the above report are 3078500200024 reproduced here, but gamma-rays are omitted unless 3078500200025 there is no doubt as to which one has been used. 3078500200026 STATUS (TABLE) Data taken from Table 1 of 3078500200027 High En.Nucl.Phys. 11 376 3078500200028 ENDBIB 26 0 3078500200029 COMMON 3 3 3078500200030 MONIT MONIT-ERR EN-NRM 3078500200031 PC/FIS PC/FIS MEV 3078500200032 2.0 0.1 14.0 3078500200033 ENDCOMMON 3 0 3078500200034 DATA 6 13 3078500200035 MASS ELEMENT ISOMER DATA DATA-ERR DECAY-FLAG 3078500200036 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 3078500200037 103. 44. 0.82 0.09 1. 3078500200038 105. 44. 1.13 0.12 2. 3078500200039 106. 44. 1.18 0.15 3. 3078500200040 111. 47. 0. 1.11 0.16 4. 3078500200041 112. 46. 1.24 0.13 5. 3078500200042 113. 47. 1.38 0.12 6. 3078500200043 115. 48. 0. 1.23 0.10 7. 3078500200044 117. 48. 0. 1.12 0.11 8. 3078500200045 117. 48. 1. 0.25 0.03 9. 3078500200046 125. 51. 0.68 0.07 10. 3078500200047 127. 51. 1.22 0.10 11. 3078500200048 129. 51. 1.20 0.12 12. 3078500200049 132. 52. 2.30 0.21 13. 3078500200050 ENDDATA 15 0 3078500200051 ENDSUBENT 50 0 3078500299999 SUBENT 30785003 20090909 31413078500300001 BIB 9 28 3078500300002 REACTION (90-TH-232(N,F)ELEM/MASS,IND,FY) 3078500300003 METHOD A separate irradiation of about 10 min was performed 3078500300004 for the determination of the independent yields of 3078500300005 Ag-112 and In-115m. Separation time from their 3078500300006 respective parents: Ag: <10 min, In: about 20 min. 3078500300007 MONITOR (90-TH-232(N,F)42-MO-99,CUM,FY) Value for 14.0 MeV 3078500300008 MONIT-REF (13291002,D.L.Swindle+,J,JIN,33,651,1971) 3078500300009 DECAY-MON (42-MO-99,66.0HR) Source: see under DECAY-DATA 3078500300010 DECAY-DATA ((1.)45-RH-106-M,2.2HR) 3078500300011 ((2.)47-AG-112,3.12HR) see comment below 3078500300012 ((3.)49-IN-115-M,4.49HR) 3078500300013 ((4.)49-IN-116-M1,54.2MIN) 3078500300014 ((5.)51-SB-124-G,60.2D) 3078500300015 ((6.)51-SB-126-G,12.4D) 3078500300016 ((7.)51-SB-128-G,9.01HR) 3078500300017 The half-lives are given in table 2 of High En.Nucl. 3078500300018 Phys. 11 376. It is assumed that the gamma-ray data 3078500300019 were also taken from: U.Reus et al, GSI 79-2 (2/1979), 3078500300020 but they are not reproduced here. 3078500300021 - Comment: Table 2 of High En.Nucl.Phys. 11 376 gives 3078500300022 'Ag-112m' but Ag-112 does not have a metastable state3078500300023 FLAG (1.) An upper limit only is given as the gamma-ray 3078500300024 activity was too low. 3078500300025 STATUS (TABLE) Data taken from Table 2 of 3078500300026 High En.Nucl.Phys. 11 3763078500300027 HISTORY (19900424A) VOF.-Reaction code corrected.- 3078500300028 (19930125A) HW.-Decay-data corrected, blank record 3078500300029 removed.- 3078500300030 ENDBIB 28 0 3078500300031 COMMON 3 3 3078500300032 MONIT MONIT-ERR EN-NRM 3078500300033 PC/FIS PC/FIS MEV 3078500300034 2.0 0.1 14.0 3078500300035 ENDCOMMON 3 0 3078500300036 DATA 8 7 3078500300037 ELEMENT MASS ISOMER DATA DATA-ERR DATA-MAX 3078500300038 DECAY-FLAG FLAG 3078500300039 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS 3078500300040 NO-DIM NO-DIM 3078500300041 45. 106. 1. 1.5E-04 0.7E-04 3078500300042 1. 3078500300043 47. 112. 6.2E-03 2.1E-03 3078500300044 2. 3078500300045 49. 115. 1. 1.E-033078500300046 3. 1. 3078500300047 49. 116. 1. 8.3E-03 3.3E-03 3078500300048 4. 3078500300049 51. 124. 0. 1.2E-033078500300050 5. 1. 3078500300051 51. 126. 0. 3.2E-02 0.6E-02 3078500300052 6. 3078500300053 51. 128. 0. 3.4E-01 0.2E-01 3078500300054 7. 3078500300055 ENDDATA 18 0 3078500300056 ENDSUBENT 55 0 3078500399999 SUBENT 30785004 20090909 31413078500400001 BIB 7 36 3078500400002 REACTION ((90-TH-232(N,F)ELEM/MASS,IND,FY)/ 3078500400003 (90-TH-232(N,F)MASS,CHN,FY)) 3078500400004 RESULT (FRIND) 3078500400005 METHOD From measured cumulative yields as given in subentry 2 3078500400006 and literature values for chain yields, a curve of 3078500400007 chain yields was obtained (fig.1 of High En.Nucl.Phys. 3078500400008 11 376). 3078500400009 Total independent yields for a given element/mass were 3078500400010 obtained from the measured independent yields as given 3078500400011 in subentry 3, and isomeric ratios from U-235 thermal 3078500400012 fission, unless stated otherwise (see FLAG). 3078500400013 DECAY-DATA ((1.)45-RH-106-M,2.2HR) 3078500400014 ((2.)47-AG-112,3.12HR) see comment below 3078500400015 ((3.)49-IN-115-M,4.49HR) 3078500400016 ((4.)49-IN-116-M1,54.2MIN) 3078500400017 ((5.)51-SB-124-G,60.2D) 3078500400018 ((6.)51-SB-126-G,12.4D) 3078500400019 ((7.)51-SB-128-G,9.01HR) 3078500400020 The half-lives are given in table 2 of High En.Nucl. 3078500400021 Phys. 11 376. It is assumed that the gamma-ray data 3078500400022 were also taken from: U.Reus et al, GSI 79-2 (2/1979), 3078500400023 but they are not reproduced here. 3078500400024 - Comment: Table 2 of High En.Nucl.Phys. 11 376 gives 3078500400025 'Ag-112m' but Ag-112 does not have a metastable state3078500400026 FLAG (1.) This is a lower limit as the isomeric ratio is 3078500400027 not known and the isomer not considered. 3078500400028 (2.) An upper limit only is given as the gamma-ray 3078500400029 activity was too low. 3078500400030 (3.) The isomeric ratio used is: Ym/Yg = 1.38 3078500400031 STATUS (DEP,30785002) and fig.1 of High En.Nucl.Phys. 11 376 3078500400032 (Chain yields) 3078500400033 (DEP,30785003) Independent yields 3078500400034 (TABLE) Data taken from Table 2 of High 3078500400035 En.Nucl.Phys.11 376 3078500400036 HISTORY (19930125A) HW.-Keyword 'RESULT' added, decay-data 3078500400037 corrected, data units altered.- 3078500400038 ENDBIB 36 0 3078500400039 NOCOMMON 0 0 3078500400040 DATA 8 7 3078500400041 ELEMENT MASS ISOMER DATA DATA-ERR DATA-MAX 3078500400042 DECAY-FLAG FLAG 3078500400043 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 3078500400044 NO-DIM NO-DIM 3078500400045 45. 106. 1. 1.4E-04 0.7E-04 3078500400046 1. 1. 3078500400047 47. 112. 4.6E-03 1.6E-03 3078500400048 2. 3078500400049 49. 115. 1. 8.E-043078500400050 3. 2. 3078500400051 49. 116. 1. 6.3E-03 2.5E-03 3078500400052 4. 1. 3078500400053 51. 124. 0. 1.9E-033078500400054 5. 2. 3078500400055 51. 126. 0. 1.4E-01 0.3E-01 3078500400056 6. 3078500400057 51. 128. 0. 3.3E-01 0.3E-01 3078500400058 7. 3. 3078500400059 ENDDATA 18 0 3078500400060 ENDSUBENT 59 0 3078500499999 ENDENTRY 4 0 3078599999999