ENTRY 40163 20210816 41994016300000001 SUBENT 40163001 20210816 41994016300100001 BIB 13 41 4016300100002 TITLE Slow neutron capture cross section of Pa231 4016300100003 AUTHOR (B.M.Aleksandrov,M.A.Bak,A.S.Krivokhatskii, 4016300100004 E.A.Shlyamin) 4016300100005 REFERENCE (J,SJA,32,203,1972) Eng.trans.of AE,32,178(1),1972 4016300100006 #doi:10.1007/BF01125115 4016300100007 (J,AE,32,178(1),1972) Issue 2. Data are given 4016300100008 (R,YFI-12,88,1971) The same data as in AE. 4016300100009 (R,INDC(CCP)-030,77,1972) Engl.translation of YFI-12,884016300100010 INSTITUTE (4RUSRI) 4016300100011 FACILITY (REAC,4RUSRI) VVR-M reactor 4016300100012 INC-SOURCE (REAC) VVR-M reactor 4016300100013 INC-SPECT Neutron flux about 10**14 neutron/cm**2/sec from VVR-M 4016300100014 reactor. Measured cadmium ratios for Np-237 were equal 4016300100015 to 7.46 and for Pa-231 - 9.12 4016300100016 The neutron flux at the sample location was measured 4016300100017 by means of Np-237 targets 4016300100018 SAMPLE Samples were prepared by electrolytic deposition of 4016300100019 microgram amounts of Pa231 (~ 10 mu-g) on a titanium 4016300100020 backing 0.2 mm thick. 4016300100021 METHOD (ACTIV) 4016300100022 DETECTOR (SIBAR) Alpha spectrometer with surface-barrier 4016300100023 gold-silicon detector . 4016300100024 RAD-DET (91-PA-231,A) 4016300100025 (92-U-232,A) 4016300100026 ERR-ANALYS (ERR-T) In general the measurement error 4016300100027 includes measurement error of neutron flux 4016300100028 (ERR-1) Error in neutron flux 4016300100029 (ERR-2) Error in ratios of alpha peak areas. 4016300100030 HISTORY (19730521C) Compiled at the centre 4016300100031 (20150109A) SD: Updated to new date formats,lower case.4016300100032 Ref. on Engl.transl. of AE added. Author was added to 4016300100033 Author's list (E.A.Shlyamin). BIB updated. 4016300100034 (20151023A) M.M. Ref. INDC(CCP)-030,77,1972 was added. 4016300100035 Articles were checked, BIB information was updated in 4016300100036 REFERENCE,TITLE,INC-SPECT,DETECTOR,FACILITY,ERR-ANALYS.4016300100037 ANALYSIS, ERR-2 were added. 4016300100038 (20210816U) Ref. AE page was corrected 178 -> 178(1) . 4016300100039 Minor correction of free text. 4016300100040 STATUS was moved from Subent 001 into data Subents. 4016300100041 DATA-ERR -> ERR-T. 4016300100042 Code CADMB was deleted from METHOD. 4016300100043 ENDBIB 41 0 4016300100044 COMMON 2 3 4016300100045 ERR-1 ERR-2 4016300100046 PER-CENT PER-CENT 4016300100047 4. 1. 4016300100048 ENDCOMMON 3 0 4016300100049 ENDSUBENT 48 0 4016300199999 SUBENT 40163002 20210816 41994016300200001 BIB 4 9 4016300200002 REACTION (91-PA-231(N,G)91-PA-232,,SIG) 4016300200003 MONITOR Neutron flux was measured by Np-237 sample. 4016300200004 ANALYSIS Thermal neutron capture c-s was determined by 4016300200005 neutron flux ( measured by Np-237), irradiation time, 4016300200006 areas under U232 and Pa231 alpha peaks for irradiations4016300200007 with and without Cd, ratio of half-lives 4016300200008 T(Pa231)/T(U232)=439. 4016300200009 STATUS (TABLE) Text page 178 of AE,32,(2),178(1),1972, 4016300200010 Text page 77 of INDC(CCP)-030,77,1972 4016300200011 ENDBIB 9 0 4016300200012 NOCOMMON 0 0 4016300200013 DATA 3 1 4016300200014 EN DATA ERR-T 4016300200015 EV B B 4016300200016 2.5300E-02 260. 13. 4016300200017 ENDDATA 3 0 4016300200018 ENDSUBENT 17 0 4016300299999 SUBENT 40163003 20210816 41994016300300001 BIB 4 8 4016300300002 REACTION (91-PA-231(N,G)91-PA-232,,RI) 4016300300003 MONITOR (93-NP-237(N,G)93-NP-238,,RI) 4016300300004 COMMENT .In common section the En-min column contains the 4016300300005 cadmium boundary. 4016300300006 . Cadmium ratio for Np 7.46, for Pa 9.12 were used to 4016300300007 determine RI. 4016300300008 STATUS (TABLE) Text page 178 of AE,32,(2),178(1),1972, 4016300300009 Text page 77 of INDC(CCP)-030,77,1972 4016300300010 ENDBIB 8 0 4016300300011 COMMON 2 3 4016300300012 EN-MIN MONIT 4016300300013 EV B 4016300300014 4.0000E-01 945. 4016300300015 ENDCOMMON 3 0 4016300300016 DATA 2 1 4016300300017 DATA ERR-T 4016300300018 B B 4016300300019 1180. 120. 4016300300020 ENDDATA 3 0 4016300300021 ENDSUBENT 20 0 4016300399999 ENDENTRY 3 0 4016399999999