ENTRY 20017 20190114 227420017 0 1 SUBENT 20017001 20190114 227420017 1 1 BIB 16 34 20017 1 2 INSTITUTE (2SWDKTH) 20017 1 3 REFERENCE (J,ACJ,16,2100,1962) 20017 1 4 AUTHOR (S.Forberg) 20017 1 5 TITLE Determination of the cross section for the reactions 20017 1 6 Ca-42(n,p)K-42 and Ca-43(n,p)K-43 and methods for 20017 1 7 production of carrier-free potassium isotopes 20017 1 8 FACILITY (REAC,2SWDKTH) Swedish R1 reactor. 20017 1 9 INC-SOURCE (REAC) Central position of reactor. 20017 1 10 INC-SPECT .Fast neutron spectrum. 20017 1 11 .Fast neutron flux was almost a decade lower than the 20017 1 12 thermal neutron flux which was 12.E+11 n/cm-sq/sec. 20017 1 13 SAMPLE Ca-C-O(3) wrapped in a 0.3 mm thick cadmium 20017 1 14 foil together with 0.5 g of aluminium. 20017 1 15 METHOD (ACTIV) Activation 20017 1 16 (CHSEP) carrier free separation of potassium. 20017 1 17 DETECTOR (NAICR) 3 X 3 inch natrium-iodide(Tl) crystal. 20017 1 18 ANALYSIS .Count rate under photo-peak 20017 1 19 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 20017 1 20 = 0.56 millibarn 20017 1 21 COMMENT .Description of a method for the production of carrier-20017 1 22 free potassium isotopes in the original paper. 20017 1 23 ERR-ANALYS (DATA-ERR) The errors given for the final cross section20017 1 24 values are not strictly mathematecally deduced, as 20017 1 25 allowance was made for some systematic errors within 20017 1 26 the limits. 20017 1 27 .The author is convinced that the errors should match 20017 1 28 a confidence level of at least 90%, if the utilized 20017 1 29 values for the monitor cross section and the gamma 20017 1 30 intensities from K-43 are correct. 20017 1 31 STATUS (TABLE) Data from the abstract of 20017 1 32 Acta Chem.Scand.,16(1962)2100 20017 1 33 HISTORY (19700503T) From NEUDADA file 20017 1 34 (20190114U) SD:Updated to new date formats,lower case. 20017 1 35 FACILITY updated. 20017 1 36 ENDBIB 34 0 20017 1 37 COMMON 1 3 20017 1 38 EN-DUMMY 20017 1 39 MEV 20017 1 40 1.0 20017 1 41 ENDCOMMON 3 0 20017 1 42 ENDSUBENT 41 0 20017 199999 SUBENT 20017002 20190114 227420017 2 1 BIB 3 6 20017 2 2 REACTION (20-CA-42(N,P)19-K-42,,SIG,,SPA) 20017 2 3 .Sigma(theoretical) for (n,p) = 1.3 millibarn. 20017 2 4 DECAY-DATA (19-K-42,,DG,152.,0.18) 0.152 MeV decay gamma. 20017 2 5 Intensity of transition = 18%. 20017 2 6 HISTORY (19700503T) From NEUDADA file 20017 2 7 (20190114U) SD: PART-DET deleted; DECAY-DATA added. 20017 2 8 ENDBIB 6 0 20017 2 9 NOCOMMON 0 0 20017 2 10 DATA 2 1 20017 2 11 DATA DATA-ERR 20017 2 12 B B 20017 2 13 2.1E-03 4.E-04 20017 2 14 ENDDATA 3 0 20017 2 15 ENDSUBENT 14 0 20017 299999 SUBENT 20017003 20190114 227420017 3 1 BIB 3 6 20017 3 2 REACTION (20-CA-43(N,P)19-K-43,,SIG,,SPA) 20017 3 3 sigma(theoretical) for (n,p) = 4.5 millibarn. 20017 3 4 DECAY-DATA (19-K-43,,DG,590.,,DG,610.) 0.59 and 0.61 MeV 20017 3 5 decay gammas. Intensity of composed peak = 94%. 20017 3 6 HISTORY (19700503T) From NEUDADA file 20017 3 7 (20190114U) SD: PART-DET deleted; DECAY-DATA added. 20017 3 8 ENDBIB 6 0 20017 3 9 NOCOMMON 0 0 20017 3 10 DATA 2 1 20017 3 11 DATA DATA-ERR 20017 3 12 B B 20017 3 13 1.5E-03 3.E-04 20017 3 14 ENDDATA 3 0 20017 3 15 ENDSUBENT 14 0 20017 399999 ENDENTRY 3 0 2001799999999