ENTRY 40411 20170130 41754041100000001 SUBENT 40411001 20170130 41754041100100001 BIB 11 26 4041100100002 INSTITUTE (4RUSRUS) 4041100100003 REFERENCE (J,SJA,5,1352,1958) Eng.trans.of AE,5,456,1958 4041100100004 (J,AE,5,456,1958) 4041100100005 (J,JNE/A,10,184,1959) 4041100100006 AUTHOR (G.P.Antropov,Yu.A.Zysin,A.A.Kovrizhnykh,A.A.Lbov) 4041100100007 TITLE Cross-section of the U-238(n,2n)U-237 reaction 4041100100008 for 15 MeV neutrons 4041100100009 EXP-YEAR (1957) Preliminary measurement in 1952, 4041100100010 repeated in 1957 . 4041100100011 INC-SOURCE (D-T) 150 keV deuteron beam. 4041100100012 SAMPLE Samples of uranium nitrate 4041100100013 METHOD (ACTIV) Counted U-237 decay betas 4041100100014 6-8 hr irradiation. 4041100100015 (CHSEP)After irradiation the samples were chemically 4041100100016 cleaned of the fission fragments and products of the 4041100100017 disintegration of the uranium 4041100100018 DETECTOR (D4PI) 4041100100019 PART-DET (B-) 4041100100020 HISTORY (19830922T) Converted from entry 80025 4041100100021 (20050827U) correction according to MEMO CP-E/70, 4041100100022 dates were corrected 4041100100023 (20150218U) SD: Updated to new date formats,lower case.4041100100024 Ref. on Engl.transl. of AE added. 4041100100025 (20170130A) M.M. Article was checked, BIB information 4041100100026 was updated in TITLE,EXP-YEAR,METHOD,DECAY-DATA, 4041100100027 CORRECTION,ANALYSIS,ERR-ANALYS,STATUS . 4041100100028 ENDBIB 26 0 4041100100029 NOCOMMON 0 0 4041100100030 ENDSUBENT 29 0 4041100199999 SUBENT 40411002 20170130 41754041100200001 BIB 7 15 4041100200002 REACTION (92-U-238(N,2N)92-U-237,,SIG) 4041100200003 DECAY-DATA (92-U-237,6.7D) 4041100200004 MONITOR (92-U-238(N,F),,SIG) U-238 fission. 4041100200005 CORRECTION For conversion electrons. 4041100200006 For Tc-99,La-140, Ce-144, Pr-144 - in the measurement 4041100200007 of the beta-activity of the fragments. 4041100200008 ANALYSIS CS was determined by activities of U-237 and fission 4041100200009 fragments of U-238 - Mo-99, Ba-140, Ce-141 ( absolute 4041100200010 flux measurement) . 4041100200011 ERR-ANALYS (DATA-ERR) Error includes statistical error (spread of 4041100200012 exp.values) and Sys.error in the cross section and 4041100200013 yield of the fis.products of U-238. 4041100200014 STATUS (TABLE) Data from the text of the AE,5,456,1958 4041100200015 Preliminary value ( 1952) 1.5+-0.2 b ( without 4041100200016 corrections), 1b ( with corrections). 4041100200017 ENDBIB 15 0 4041100200018 NOCOMMON 0 0 4041100200019 DATA 3 1 4041100200020 EN DATA DATA-ERR 4041100200021 MEV B B 4041100200022 15. 0.90 0.15 4041100200023 ENDDATA 3 0 4041100200024 ENDSUBENT 23 0 4041100299999 ENDENTRY 2 0 4041199999999