ENTRY 30474 20090312 31353047400000001 SUBENT 30474001 20090312 31353047400100001 BIB 11 24 3047400100002 TITLE Measurement of cross-sections for (n,t) reactions on 3047400100003 light nuclei. 3047400100004 AUTHOR (F.Cserpak,T.Biro,J.Csikai) 3047400100005 INSTITUTE (3HUNKOS) 3047400100006 REFERENCE (C,78HARWELL,,761,197809) 3047400100007 (P,INDC(SEC)-61,52,197710) Very brief note. 3047400100008 (J,JIN,37,1583,197507) Exp.detail, C13+others, another 3047400100009 exp. run., compiled as EXFOR 30271. 3047400100010 MONITOR (79-AU-197(N,2N)79-AU-196,,SIG) 3047400100011 for determination of the average neutron spectrum. 3047400100012 METHOD Measurement of the tritium beta activity. 3047400100013 The separation of tritium was carried out by vacuum 3047400100014 extraction method and by catalytic oxidation method. 3047400100015 DETECTOR (PROPC) 3047400100016 PART-DET (B-) Decay beta- of tritium. 3047400100017 ERR-ANALYS (DATA-ERR) No further information. 3047400100018 STATUS (TABLE) Data taken from Table I of Proc.Int.Conf.on 3047400100019 Neutron Phys. and Nuc.Data for Reactors and other 3047400100020 Applied Purposes, Harwell,p.761,Sept.1978. 3047400100021 (APRVD) F.Cserpak,861212. 3047400100022 HISTORY (19790427C) KO. 3047400100023 (19881010U)-VOF-Corrected author's name and author's 3047400100024 approval added 3047400100025 (20090310A) SD:Updated to new date formats,lower case. 3047400100026 ENDBIB 24 0 3047400100027 NOCOMMON 0 0 3047400100028 ENDSUBENT 27 0 3047400199999 SUBENT 30474002 20090312 31353047400200001 BIB 4 9 3047400200002 REACTION (5-B-0(N,T),,SIG,,FIS) 3047400200003 INC-SOURCE (CF252) 3047400200004 The spectrum parameter, T = 1.41 MeV 3047400200005 Irradiation in a scattering free geometry. 3047400200006 SAMPLE Natural isotopic composition. Boron powder pressed in 3047400200007 the discs of 19mm diameter. 3047400200008 The samples were put into a hermetically sealed thin 3047400200009 walled holder. 3047400200010 COMMENT The average of 4 different results. 3047400200011 ENDBIB 9 0 3047400200012 NOCOMMON 0 0 3047400200013 DATA 3 1 3047400200014 EN-DUMMY DATA DATA-ERR 3047400200015 MEV MB MB 3047400200016 1.4100E+00 1.1000E+01 7.0000E-01 3047400200017 ENDDATA 3 0 3047400200018 ENDSUBENT 17 0 3047400299999 SUBENT 30474003 20090312 31353047400300001 BIB 4 9 3047400300002 REACTION (5-B-10(N,T)4-BE-8,,SIG,,MXW) 3047400300003 INC-SOURCE (CF252) 3047400300004 Thermal neutron moderated by water, 3047400300005 irradiation time was between 50 and 90 hours. 3047400300006 SAMPLE Natural isotopic composition. Boron powder pressed in 3047400300007 the discs of 19mm diameter. 3047400300008 For irradiation with thermal neutron, copper monitor 3047400300009 foil was used together with a sample. 3047400300010 MONITOR (29-CU-63(N,G)29-CU-64,,SIG) = 4.4 +- 0.2 B. 3047400300011 ENDBIB 9 0 3047400300012 NOCOMMON 0 0 3047400300013 DATA 5 1 3047400300014 EN-DUMMY DATA DATA-ERR MONIT MONIT-ERR 3047400300015 EV MB MB B B 3047400300016 2.5300E-02 5.0000E+01 6.0000E+00 4.4000E+00 2.0000E-01 3047400300017 ENDDATA 3 0 3047400300018 ENDSUBENT 17 0 3047400399999 SUBENT 30474004 20090312 31353047400400001 BIB 5 11 3047400400002 REACTION (5-B-10(N,T)4-BE-8,,SIG,,FIS) 3047400400003 INC-SOURCE (CF252) 3047400400004 The spectrum parameter, T = 1.41 MeV. 3047400400005 SAMPLE Natural isotopic composition 3047400400006 ANALYSIS Because of the high energy threshold of B-11(n,t) 3047400400007 reaction, its contribution can be neglected and 3047400400008 B-10(n,t) can be calculated from the measured value of 3047400400009 B-nat(n,t) for Cf-252 fission spectrum by multiplying 3047400400010 with the isotopic abundance ratio. 3047400400011 STATUS (DEP,30474002) 3047400400012 See 'Analysis'. 3047400400013 ENDBIB 11 0 3047400400014 NOCOMMON 0 0 3047400400015 DATA 2 1 3047400400016 EN-DUMMY DATA-APRX 3047400400017 MEV MB 3047400400018 1.4100E+00 5.0000E+01 3047400400019 ENDDATA 3 0 3047400400020 ENDSUBENT 19 0 3047400499999 SUBENT 30474005 20090312 31353047400500001 BIB 5 9 3047400500002 REACTION 1(6-C-13(N,T)5-B-11,,SIG) 3047400500003 2(6-C-13(N,T)5-B-11,,SIG) 3047400500004 INC-SOURCE (D-T) 3047400500005 SAMPLE Graphite sample. 3047400500006 METHOD 1Vacuum extraction. 3047400500007 2Catalytic oxidation. 3047400500008 STATUS (PRELM) 3047400500009 1(COREL,30271004) Earlier published with the same 3047400500010 method by the same group. 3047400500011 ENDBIB 9 0 3047400500012 NOCOMMON 0 0 3047400500013 DATA 3 1 3047400500014 EN DATA 1DATA 2 3047400500015 MEV MB MB 3047400500016 1.4600E+01 6.0000E+00 3.8000E+01 3047400500017 ENDDATA 3 0 3047400500018 ENDSUBENT 17 0 3047400599999 ENDENTRY 5 0 3047499999999