ENTRY 31479 20100923 31463147900000001 SUBENT 31479001 20100923 31463147900100001 BIB 10 14 3147900100002 TITLE Study of the excitation function of the Fe-56(n,p)Mn-563147900100003 threshold reaction. 3147900100004 AUTHOR (P.Fuga) 3147900100005 INSTITUTE (3SHQNPT) 3147900100006 REFERENCE (J,NIM/A,309,(3),500,199111) 3147900100007 FACILITY (CCW,3SHQNPT) 3147900100008 METHOD (ACTIV) 3147900100009 DETECTOR (NAICR) 3147900100010 PART-DET (DG) 3147900100011 STATUS (TABLE) Data were taken from Table 2 of Nucl. Instr. 3147900100012 and Meth. vol. A309(3), p. 500. 3147900100013 HISTORY (19970610C) HW.- 3147900100014 (20100923A) SD:Updated to new date formats, 3147900100015 Cosmetic changes and corrections. 3147900100016 ENDBIB 14 0 3147900100017 NOCOMMON 0 0 3147900100018 ENDSUBENT 17 0 3147900199999 SUBENT 31479002 20100923 31463147900200001 BIB 6 24 3147900200002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 3147900200003 INC-SOURCE (D-T) TiT target, 0.478 mg/cm**2 thick, was bombarded 3147900200004 with 127.5 keV deuterons. The sample was placed at 3147900200005 45 degrees with respect to the deuteron beam axis and 3147900200006 at distances of 50, 80 and 100 mm from the end of the 3147900200007 tit target. 3147900200008 METHOD (ASSOP) the neutron flux was determined with 3147900200009 the associated alpha particle method. 3147900200010 SAMPLE Disc-shaped iron samples, 15 mm in diameter and 3147900200011 0.2 mg/cm**2 thick. Chemical purity was 99.999%. 3147900200012 CORRECTION Corrections have been applied for geometry, self- 3147900200013 absorption, energetic beta particles, dead time, 3147900200014 true-coincidence losses, detector background and 3147900200015 decay during counting-time intervals. 3147900200016 ERR-ANALYS (ERR-T) The main factors determining the total 3147900200017 experimental error of 3% were: 3147900200018 (ERR-1) the experimental error for the determination of3147900200019 the fast neutron flux with the associated particle3147900200020 method (1.5%) 3147900200021 (ERR-2) the experimental error in the measurement of 3147900200022 the target-iron foil distance (1.5%). 3147900200023 (ERR-3) the experimental error in the determination of 3147900200024 the induced gamma activity of the iron samples 3147900200025 (1.6%). 3147900200026 ENDBIB 24 0 3147900200027 NOCOMMON 0 0 3147900200028 DATA 6 1 3147900200029 EN DATA ERR-T ERR-1 ERR-2 ERR-3 3147900200030 MEV MB PER-CENT PER-CENT PER-CENT PER-CENT 3147900200031 14.616 107.5 3. 1.5 1.5 1.6 3147900200032 ENDDATA 3 0 3147900200033 ENDSUBENT 32 0 3147900299999 SUBENT 31479003 20100923 31463147900300001 BIB 8 25 3147900300002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 3147900300003 FACILITY (CCW,VDG) 3147900300004 INC-SOURCE (D-T) 3147900300005 Cockroft-Walton: tit target, 0.478 mg/cm**2 thick, 3147900300006 was bombarded with 146 keV deuterons. Neutron energy 3147900300007 was selected by the angular position of the sample 3147900300008 with respect to the direction of the incident deuteron 3147900300009 beam. 3147900300010 Van de Graaff: TiT target 1.90 mg/cm*82 thick was 3147900300011 irradiated with 1., 1.5 and 2 MeV deuterons. 3147900300012 in both cases the neutron flux was measured by a 3147900300013 Si(n,alpha) detector. 3147900300014 SAMPLE Stainless steel samples, 20 mm in diameter and 1.5 mm 3147900300015 thick. 3147900300016 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) at En = 14.616 MeV. 3147900300017 MONIT-REF (31479002,F.Fuga,J,NIM/A,309,(3),500,199111) 3147900300018 ERR-ANALYS (ERR-T) The experimental error of 5% for the deter- 3147900300019 mination of the excitation function was mainly due to: 3147900300020 (MONIT-ERR) the error in the determination of the 3147900300021 monitor cross section (3%). 3147900300022 (ERR-1) the experimental error for the geometry of the 3147900300023 experiment (1.1%) 3147900300024 (ERR-2) the experimental error in the determination of 3147900300025 the fast neutron flux (3.5%). 3147900300026 STATUS (DEP,31479003) 3147900300027 ENDBIB 25 0 3147900300028 COMMON 5 3 3147900300029 EN-NRM ERR-T MONIT-ERR ERR-1 ERR-2 3147900300030 MEV PER-CENT PER-CENT PER-CENT PER-CENT 3147900300031 14.616 5. 3. 1.1 3.5 3147900300032 ENDCOMMON 3 0 3147900300033 DATA 2 23 3147900300034 EN DATA 3147900300035 MEV MB 3147900300036 12.800 109.7 3147900300037 12.840 113.6 3147900300038 13.530 112. 3147900300039 13.600 118.1 3147900300040 13.700 113.1 3147900300041 13.720 114.9 3147900300042 13.780 113.7 3147900300043 14.400 109.9 3147900300044 14.560 106.9 3147900300045 14.850 104.1 3147900300046 14.910 107. 3147900300047 15.280 98.6 3147900300048 15.680 93.6 3147900300049 16.020 86.5 3147900300050 16.050 86.0 3147900300051 16.560 81.7 3147900300052 16.600 78.4 3147900300053 16.750 77.1 3147900300054 17.200 68.3 3147900300055 17.280 70.3 3147900300056 17.540 69.8 3147900300057 18.000 58.5 3147900300058 18.260 57.8 3147900300059 ENDDATA 25 0 3147900300060 ENDSUBENT 59 0 3147900399999 ENDENTRY 3 0 3147999999999