ENTRY 23253 20161130 22562325300000001 SUBENT 23253001 20161130 22562325300100001 BIB 11 37 2325300100002 TITLE Neutron capture cross section measurements for 197Au 2325300100003 from 3.5 to 84 keV at GELINA 2325300100004 AUTHOR (C.Massimi, B.Becker, E.Dupont, S.Kopecky, C.Lampoudis,2325300100005 R.Massarczyk, M.Moxon, V.Pronyaev, P.Schillebeeckx, 2325300100006 I.Sirakov, R.Wynants) 2325300100007 INSTITUTE (2ITYUBO,2ZZZGEL,2ZZZNEA,3DDRTUD,4RUSFEI,3BULBLA) 2325300100008 (2UK UK) Hyde Copse 3, Marcham 2325300100009 REFERENCE (J,EPJ/A,50,124,2014) 2325300100010 FACILITY (LINAC,2ZZZGEL) GELINA electron linac 2325300100011 - Nominal average beam energy = 100 MeV 2325300100012 - Nominal beam power(peak current) = 10 A 2325300100013 - Repetition rate (pulses per second) = 800 Hz 2325300100014 - Pulse width of electron beam = 1 ns 2325300100015 INC-SOURCE (PHOTO,THCOL) 2325300100016 - (g,n) on mercury cooled depleted uranium 2325300100017 - Two water filled Be-containers (14.6 cm x 21 cm x 2325300100018 3.9 cm) at the room temperature as moderators placed 2325300100019 above and below U target. 2325300100020 - Density of moderator material = 1 g/cm2 2325300100021 - Nominal neutron production intensity = 3.4E+13/sec 2325300100022 - Diameter of neutron beam at sample position = 75 mm 2325300100023 - Response function: 2325300100024 Normal distribution, FWHM = 2 ns 2325300100025 Numerical distribution from MC simulations 2325300100026 Analytic function defined in REFIT manual 2325300100027 MONITOR (5-B-10(N,A)3-LI-7,,RYL) 10B evaporated on Al used 2325300100028 MONIT-REF (,,3,JEF-2.2,,1992) 2325300100029 Calculated from 10B(n,a) and 10B(n,tot) in JEF-2.2. 2325300100030 DETECTOR (SCIN) 2 C6D6 scintillators of 10 cm diameter 2325300100031 and 7.5 cm length at the 12 m station. 2325300100032 Those are placed at an angle of 125 deg. w.r.t 2325300100033 the direction of the neutron beam. 2325300100034 (IOCH) Frisch-gridded ionisation chamber for 10B(n,a) 2325300100035 in beam, 84 mm diameter 2325300100036 STATUS (TABLE) Table 4. of Eur. Phys. J. A50(2014)124 2325300100037 (APRVD) Approved by Peter Schillebeeckx (2016-11-28) 2325300100038 HISTORY (20161128C) H.I.Kim (KAERI) 2325300100039 ENDBIB 37 0 2325300100040 NOCOMMON 0 0 2325300100041 ENDSUBENT 40 0 2325300199999 SUBENT 23253002 20161130 22562325300200001 BIB 6 25 2325300200002 REACTION (79-AU-197(N,G)79-AU-198,,SIG,,AV) 2325300200003 METHOD (TOF) 12.943 m flight path 2325300200004 ANALYSIS Averaged cross sections from three samples. 2325300200005 Averaged cross sections were derived by 2325300200006 =(1/[Fc*n])* 2325300200007 where 2325300200008 Fc: correction factor 2325300200009 n: areal density 2325300200010 : averaged capture yield 2325300200011 MISC-COL (MISC) Correction factor Fc 2325300200012 ERR-ANALYS Standard uncertainties at 1 standard deviation. 2325300200013 (ERR-T) Total uncertainty 2325300200014 (ERR-1,,,U) Uncorrelated uncertainty due to counting 2325300200015 statistics 2325300200016 (ERR-2,,,F) Time independent, sample dependent 2325300200017 background of capture, (2%) 2325300200018 (ERR-3,,,F) Time dependent, sample independent 2325300200019 background of capture, (3%) 2325300200020 (ERR-4,,,F) Time dependent, sample dependent 2325300200021 background of capture, (5%) 2325300200022 (ERR-5,,,F) Normalisation factor, Nc (2.5%) 2325300200023 SAMPLE Three 197Au samples: 2325300200024 5.896E-3, 3.026E-3 and 5.754E-5 at/b 2325300200025 10B layer: 2325300200026 5E-3 at/b 2325300200027 ENDBIB 25 0 2325300200028 NOCOMMON 0 0 2325300200029 DATA 10 26 2325300200030 EN-MIN EN-MAX DATA ERR-T ERR-1 ERR-2 2325300200031 ERR-3 ERR-4 ERR-5 MISC 2325300200032 EV EV B B B B 2325300200033 B B B NO-DIM 2325300200034 3500. 4000. 2.8696 0.0354 0.0084 -0.0017312325300200035 -0.012957 -0.004330 0.031566 0.9893 2325300200036 4000. 4500. 2.2833 0.0284 0.0070 -0.0013522325300200037 -0.010596 -0.003448 0.025116 1.0022 2325300200038 4500. 5000. 2.0888 0.0251 0.0058 -0.0009812325300200039 -0.007942 -0.002375 0.022977 1.0113 2325300200040 5000. 5500. 1.5480 0.0190 0.0047 -0.0008032325300200041 -0.006683 -0.001828 0.017028 1.0180 2325300200042 5500. 6000. 2.1886 0.0259 0.0057 -0.0007342325300200043 -0.006767 -0.003384 0.024075 1.0232 2325300200044 6000. 6500. 1.7350 0.0207 0.0051 -0.0006492325300200045 -0.006058 -0.001689 0.019085 1.0273 2325300200046 6500. 7000. 1.7219 0.0204 0.0049 -0.0005672325300200047 -0.005428 -0.001737 0.018941 1.0306 2325300200048 7000. 8000. 1.5664 0.0184 0.0036 -0.0005542325300200049 -0.005162 -0.001519 0.017230 1.0345 2325300200050 8000. 9000. 1.3120 0.0156 0.0034 -0.0004942325300200051 -0.004555 -0.001419 0.014432 1.0385 2325300200052 9000. 10000. 1.1502 0.0137 0.0032 -0.0004372325300200053 -0.004116 -0.001166 0.012652 1.0414 2325300200054 10000. 12000. 1.1625 0.0135 0.0023 -0.0003742325300200055 -0.003588 -0.001109 0.012788 1.0446 2325300200056 12000. 14000. 0.9572 0.0113 0.0022 -0.0003242325300200057 -0.003234 -0.000963 0.010529 1.0475 2325300200058 14000. 16000. 0.8569 0.0102 0.0022 -0.0002832325300200059 -0.002963 -0.000830 0.009426 1.0495 2325300200060 16000. 18000. 0.8215 0.0097 0.0022 -0.0002502325300200061 -0.002674 -0.000756 0.009037 1.0509 2325300200062 18000. 20000. 0.7329 0.0087 0.0021 -0.0002252325300200063 -0.002411 -0.000705 0.008062 1.0519 2325300200064 20000. 24000. 0.6418 0.0076 0.0015 -0.0001952325300200065 -0.002145 -0.000650 0.007060 1.0529 2325300200066 24000. 28000. 0.6165 0.0072 0.0015 -0.0001682325300200067 -0.001929 -0.000703 0.006781 1.0538 2325300200068 28000. 32000. 0.5842 0.0076 0.0026 -0.0002422325300200069 -0.002914 -0.000896 0.006426 1.0542 2325300200070 32000. 36000. 0.5160 0.0062 0.0016 -0.0001442325300200071 -0.001835 -0.000669 0.005676 1.0544 2325300200072 36000. 40000. 0.5168 0.0061 0.0015 -0.0001222325300200073 -0.001581 -0.000575 0.005685 1.0544 2325300200074 40000. 44000. 0.4709 0.0056 0.0014 -0.0001032325300200075 -0.001343 -0.000487 0.005180 1.0543 2325300200076 44000. 52000. 0.4403 0.0051 0.0010 -0.0000892325300200077 -0.001119 -0.000440 0.004843 1.0539 2325300200078 52000. 60000. 0.4192 0.0049 0.0011 -0.0000882325300200079 -0.001074 -0.000610 0.004612 1.0533 2325300200080 60000. 68000. 0.3894 0.0045 0.0009 -0.0000622325300200081 -0.000739 -0.000523 0.004284 1.0526 2325300200082 68000. 76000. 0.3771 0.0043 0.0009 -0.0000542325300200083 -0.000632 -0.000500 0.004148 1.0517 2325300200084 76000. 84000. 0.3429 0.0039 0.0009 -0.0000542325300200085 -0.000619 -0.000335 0.003772 1.0508 2325300200086 ENDDATA 56 0 2325300200087 ENDSUBENT 86 0 2325300299999 ENDENTRY 2 0 2325399999999