ENTRY 41078 20200902 41894107800000001 SUBENT 41078001 20200902 41894107800100001 BIB 14 36 4107800100002 INSTITUTE (4RUSRI ) 4107800100003 REFERENCE (J,RAK,12,492,1970) Part II. 4107800100004 (J,SRA,12,458,1970) Engl.translation of RAK,12,492,19704107800100005 (J,RAK,12,487,1970) Part I. 4107800100006 (J,SRA,12,453,1970) Engl.translation of SRA,12,453,19704107800100007 AUTHOR (N.V.Skovorodkin,A.V.Sorokina,S.S.Bugorkov, 4107800100008 A.S.Krivokhatskii,K.A.Petrzhak) 4107800100009 TITLE Radiochemical determination of the yields of rare-earth4107800100010 elements in the fission of 239Pu And 241Pu by slow 4107800100011 neutrons 4107800100012 II. Yields of isotopes of the rare-earth elements with 4107800100013 half-lives of more than ten days 4107800100014 I. Yields of isotopes of the rare-earth elements with 4107800100015 half-lives less than ten days 4107800100016 FACILITY (REAC) Dry channel of WWR-M reactor (institute is not 4107800100017 mentioned in the articles) 4107800100018 INC-SPECT Slow neutrons. 4107800100019 Fission on epicadmium neutrons were negligible as 4107800100020 was determined in preliminary measurement. 4107800100021 SAMPLE Purified Pu. 4107800100022 METHOD (CHSEP) Irradiation time 40 min - 2 hr for HL< 10 d, 4107800100023 REL-REF (R,13070001,H.Farrar+,J,CJP,42,2063,1964) Issue 11. 4107800100024 HLs for isotopes (HL>10day), excluding Pm-149, Eu-157.4107800100025 DETECTOR (D4PI) Flow-type 4PI beta counter to measure activity 4107800100026 after chemical separation. 4107800100027 MONITOR Relative measurement 4107800100028 ERR-ANALYS (DATA-ERR) Quadratic means. 4107800100029 STATUS (RIDER) RIDER'S reference 70SKO1 4107800100030 HISTORY (19911116T) Converted from RIDER's entry 90442 4107800100031 (20020729A) DATE is corrected 4107800100032 (20200902A) Refs. J,SRA,12,453,1970 and 4107800100033 J,RAK,12,487,1970 were added. 4107800100034 in 41080 - absolute). MXW -> SPA. 4107800100035 Subents 004,005 were added. 4107800100036 EN-DUMMY=0.0253 eV was not corrected , even mentioned 4107800100037 as for "slow neutrons" 4107800100038 ENDBIB 36 0 4107800100039 COMMON 1 3 4107800100040 EN-DUMMY 4107800100041 EV 4107800100042 0.0253 4107800100043 ENDCOMMON 3 0 4107800100044 ENDSUBENT 43 0 4107800199999 SUBENT 41078002 20200902 41894107800200001 BIB 3 9 4107800200002 REACTION ((94-PU-239(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4107800200003 (94-PU-239(N,F)58-CE-144,CUM,FY,,SPA)) 4107800200004 STATUS (TABLE) Table 3 of 4107800200005 Soviet Radiochemistry,v.12,p.458,1970 and 4107800200006 Table 2 of Soviet Radiochemistry,v.12,p.453,1970 4107800200007 (SPSDD,41080004) In 41080.004 the data for Sm-153, 4107800200008 Eu-156 and Sm-156 were re-calculated using Sm-156 4107800200009 HL=9.4+-0.1 hr; but given without uncertainties. 4107800200010 HISTORY (20200902S) Data were restored 4107800200011 ENDBIB 9 0 4107800200012 NOCOMMON 0 0 4107800200013 DATA 5 17 4107800200014 ELEMENT MASS ISOMER DATA DATA-ERR 4107800200015 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 4107800200016 39. 91. 0. 0.639 0.005 4107800200017 57. 141. 1.22 0.04 4107800200018 58. 141. 1.32 0.02 4107800200019 58. 143. 1.04 0.03 4107800200020 59. 143. 1.10 0.02 4107800200021 59. 145. 0.919 0.02 4107800200022 60. 147. 0.553 0.011 4107800200023 60. 149. 0.297 0.01 4107800200024 61. 147. 0.556 0.022 4107800200025 61. 149. 0.337 0.006 4107800200026 61. 151. 0.191 0.005 4107800200027 62. 153. 0.0442 0.0018 4107800200028 62. 156. 0.0248 0.0008 4107800200029 63. 156. 0.0322 0.0005 4107800200030 63. 157. 0.0198 0.0005 4107800200031 64. 159. 0.00561 .00007 4107800200032 65. 161. 0.00134 .00002 4107800200033 ENDDATA 19 0 4107800200034 ENDSUBENT 33 0 4107800299999 SUBENT 41078003 20200902 41894107800300001 BIB 4 10 4107800300002 REACTION ((94-PU-241(N,F)ELEM/MASS,CUM,FY,,SPA)/ 4107800300003 (94-PU-241(N,F)58-CE-144,CUM,FY,,SPA)) 4107800300004 CORRECTION Contribution from Pu-239 was taken into account (~5%). 4107800300005 STATUS (TABLE) Table 3 of 4107800300006 Soviet Radiochemistry,v.12,p.458,1970 and 4107800300007 Table 2 of Soviet Radiochemistry,v.12,p.453,1970 4107800300008 (SPSDD,41080006) In 41080.004 the data for Sm-153, 4107800300009 Eu-156 and Sm-156 were re-calculated using Sm-156 4107800300010 HL=9.4+-0.1 hr; but given without uncertainties. 4107800300011 HISTORY (20200902S) Data were restored 4107800300012 ENDBIB 10 0 4107800300013 NOCOMMON 0 0 4107800300014 DATA 5 18 4107800300015 ELEMENT MASS ISOMER DATA DATA-ERR 4107800300016 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 4107800300017 39. 91. 0. 0.407 .007 4107800300018 57. 141. 1.10 0.02 4107800300019 58. 141. 1.16 0.02 4107800300020 58. 143. 0.95 0.02 4107800300021 59. 143. 1.05 0.01 4107800300022 59. 145. 0.736 0.022 4107800300023 60. 147. 0.572 0.08 4107800300024 60. 149. 0.360 0.01 4107800300025 61. 147. 0.57 0.023 4107800300026 61. 149. 0.369 0.014 4107800300027 61. 151. 0.207 0.01 4107800300028 62. 153. 0.127 0.003 4107800300029 62. 156. 0.0387 0.001 4107800300030 63. 155. 0.0566 0.0051 4107800300031 63. 156. 0.0416 0.0007 4107800300032 63. 157. 0.0319 .0008 4107800300033 64. 159. 0.0113 .0002 4107800300034 65. 161. 0.00199 .00004 4107800300035 ENDDATA 20 0 4107800300036 ENDSUBENT 35 0 4107800399999 ENDENTRY 3 0 4107899999999