ENTRY 22132 20140104 22382213200000001 SUBENT 22132001 20140104 22382213200100001 BIB 14 26 2213200100002 REFERENCE (J,ANE,15,561,198812) 2213200100003 TITLE Cobalt cross sections for 14 MeV neutrons 2213200100004 AUTHOR (T.B.Ryves,P.Kolkowski,S.M.Judge) 2213200100005 INSTITUTE (2UK NPL) 2213200100006 FACILITY (VDG,2UK NPL) .The NPL SAMES accelerator. 2213200100007 REL-REF (I,21827001,T.B.Ryves+,J,JP/G,7,529,1981) 2213200100008 INC-SOURCE (D-T) Neutrons with energies of about 14 MeV were 2213200100009 produced with the d-t reaction. 2213200100010 METHOD (ACTIV) Activation techniques. The Co activation 2213200100011 samples were sandwiched between a pair of Fe foils, 2213200100012 which were used as neutron fluence monitors. 2213200100013 (COINC) 2213200100014 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) 2213200100015 DECAY-MON (25-MN-56,2.5785HR,G,846.,.9887) 2213200100016 SAMPLE .The activation samples consisted of uniform 25 mm dia-2213200100017 meter discs of Co, with thicknesses 80 and 100 mg/cm2,2213200100018 and of natural Fe, with thickness 80 mg/cm2. The metal2213200100019 purities were better than 99.99%. 2213200100020 ERR-ANALYS (ERR-T) Total errors, composed of statistical 2213200100021 uncertainties (see Subents) and 2213200100022 (MONIT-ERR) the uncertainty of reference cross section 2213200100023 STATUS (TABLE) Tbl.2, 4 from ANE,15,561 2213200100024 HISTORY (19891018C) N.O. 2213200100025 (20140104A) SD: Updated to new date formats,lower case.2213200100026 Corrections according last EXFOR rules and Dict. BIB 2213200100027 updated. SF4 corrected in REACTION code in Subent 4. 2213200100028 ENDBIB 26 0 2213200100029 NOCOMMON 0 0 2213200100030 ENDSUBENT 29 0 2213200199999 SUBENT 22132002 20140104 22382213200200001 BIB 4 12 2213200200002 REACTION (27-CO-59(N,A)25-MN-56,,SIG) 2213200200003 DECAY-DATA (25-MN-56,2.5785HR,DG,846.,.9887) 2213200200004 DETECTOR (NAICR) The activities were measured with NaI(Tl) 2213200200005 (D4PI) detectors, a 4 Pi beta-proportional counter 2213200200006 with gamma coincidence, and 2213200200007 (GE-IN) Ge(Li) detectors. 2213200200008 ERR-ANALYS (ERR-S) Statistical uncertainties 2213200200009 In the case of the 59Co(n,alpha)56Mn reaction, using 2213200200010 the 56Fe(n,p)56Mn reaction as a fluence monitor, the 2213200200011 induced 56Mn activity is common to both, and hence the 2213200200012 final accuracy in the cross section ratio depends 2213200200013 almost entirely on the statistical accuracy. 2213200200014 ENDBIB 12 0 2213200200015 COMMON 2 3 2213200200016 ERR-S ERR-T 2213200200017 PER-CENT MB 2213200200018 1. 0.4 2213200200019 ENDCOMMON 3 0 2213200200020 DATA 4 2 2213200200021 EN MONIT MONIT-ERR DATA 2213200200022 MEV MB MB MB 2213200200023 1.4300E+01 1.1290E+02 9.0000E-01 3.2100E+01 2213200200024 1.4670E+01 1.0840E+02 5.0000E-01 3.2300E+01 2213200200025 ENDDATA 4 0 2213200200026 ENDSUBENT 25 0 2213200299999 SUBENT 22132003 20140104 22382213200300001 BIB 4 7 2213200300002 REACTION (27-CO-59(N,P)26-FE-59,,SIG) 2213200300003 DECAY-DATA (26-FE-59,44.496D,DG,1099.,.565,DG,1291.,.432) 2213200300004 DETECTOR (GE-IN) Germanium intrinsic detector and 2213200300005 (GELI) Ge(Li) detector were used 2213200300006 ERR-ANALYS (ERR-S,3.01,5.05) Statistical uncertainties in 2213200300007 different measurements 2213200300008 (ERR-1) Uncertainty in gamma-efficiency 2213200300009 ENDBIB 7 0 2213200300010 NOCOMMON 0 0 2213200300011 DATA 6 1 2213200300012 EN MONIT MONIT-ERR DATA ERR-T ERR-1 2213200300013 MEV MB MB MB MB PER-CENT 2213200300014 1.4300E+01 1.1290E+02 9.0000E-01 5.1900E+01 1.1000E+00 0.35 2213200300015 ENDDATA 3 0 2213200300016 ENDSUBENT 15 0 2213200399999 SUBENT 22132004 20140104 22382213200400001 BIB 5 9 2213200400002 REACTION (27-CO-59(N,2N)27-CO-58,,SIG) 2213200400003 DECAY-DATA (27-CO-58-M,9.15HR) 2213200400004 (27-CO-58-G,70.82D,DG,810.,.99453) 2213200400005 DETECTOR (GE-IN) Germanium intrinsic detector and 2213200400006 (GELI) Ge(Li) detector were used 2213200400007 ERR-ANALYS (ERR-S,1.41,1.49) Statistical uncertainties in 2213200400008 different measurements 2213200400009 (ERR-1) Uncertainty in gamma-efficiency 2213200400010 HISTORY (20140104A) SD: SF4=CO-58-M+G -> CO-58. 2213200400011 ENDBIB 9 0 2213200400012 NOCOMMON 0 0 2213200400013 DATA 6 1 2213200400014 EN MONIT MONIT-ERR DATA ERR-T ERR-1 2213200400015 MEV MB MB MB MB PER-CENT 2213200400016 1.4300E+01 1.1290E+02 9.0000E-01 7.5300E+02 1.3000E+01 0.53 2213200400017 ENDDATA 3 0 2213200400018 ENDSUBENT 17 0 2213200499999 SUBENT 22132005 20140104 22382213200500001 BIB 5 8 2213200500002 REACTION (27-CO-59(N,2N)27-CO-58-M/G,,SIG/RAT) 2213200500003 DECAY-DATA (27-CO-58-M,9.15HR) 2213200500004 (27-CO-58-G,70.82D,DG,810.,.99453) 2213200500005 DETECTOR (NAICR) Two 7.5 x 7.5 cm NaI (Tl) crystals 2213200500006 ERR-ANALYS (ERR-S) Statistical uncertainties = total 2213200500007 COMMENT The large uncertainty is probably due to the difficulty2213200500008 is estimating the 44 day half-life component from 59Fe 2213200500009 which interferes with the gamma-counting. 2213200500010 ENDBIB 8 0 2213200500011 NOCOMMON 0 0 2213200500012 DATA 6 1 2213200500013 EN MONIT MONIT-ERR DATA ERR-T ERR-S 2213200500014 MEV MB MB NO-DIM NO-DIM PER-CENT 2213200500015 1.4300E+01 1.1290E+02 9.0000E-01 2.1000E+00 3.0000E-01 14.0 2213200500016 ENDDATA 3 0 2213200500017 ENDSUBENT 16 0 2213200599999 ENDENTRY 5 0 2213299999999