ENTRY 23466 20190122 22792346600000001 SUBENT 23466001 20190122 22792346600100001 BIB 16 43 2346600100002 TITLE Maxwellian Neutron Spectrum generation and Stellar 2346600100003 Cross-Section measurements: measurement of the 2346600100004 197Au(n,gamma) MACS 2346600100005 AUTHOR (P.Jimenez-Bonilla,J.Praena,J.M.Quesada) 2346600100006 INSTITUTE (2SPNSEU,2SPNGRU) 2346600100007 REFERENCE (J,JP/CS,940,012044,2018) 2346600100008 #doi:10.1088/1742-6596/940/1/012044 2346600100009 FACILITY (VDGT,2SPNSEU) 3MV Tandem accelerator at Centro 2346600100010 Nacional de Aceleradores (US-JA-CSIC), Spain. 2346600100011 INC-SOURCE (P-LI7) 2346600100012 INC-SPECT 30 keV Maxwellian Neutron Spectrum produced by 2346600100013 shaping of the proton beam to a Gaussian-like 2346600100014 distribution by introducing a foil degrader upstream 2346600100015 of the lithium target. The proton beam energy was 3.7 2346600100016 MeV and the Al degrader 75 um in thickness. 2346600100017 REL-REF (M,23282001,P.Jimenez-Bonilla+,C,2014DEBREC,,102,2014) 2346600100018 METHOD (ACTIV) Irradiation time: 210 min 2346600100019 Measurement time: 13 h 2346600100020 DETECTOR (HPGE) 2346600100021 CORRECTION The corrections determined by a complete MCNPX 2346600100022 simulation (gammas and neutron transport) of the setup 2346600100023 and HPGe detector. 2346600100024 Neutron flux correction 1.75 2346600100025 Maxwellian flux correction 1.01 2346600100026 ANALYSIS Data normalized to the 7Be activity of the target 2346600100027 under the assumption that neutrons are emitted in a 2346600100028 cone of 140 degree covered by the sample. 2346600100029 DECAY-DATA (79-AU-198-G,2.6947D,DG,411.8,0.9554) 2346600100030 (4-BE-7,53.29D,DG,477.6,0.1044) 2346600100031 SAMPLE Mass thickness 6.4E-4 g/mm2 2346600100032 ERR-ANALYS (ERR-T) Total uncertainty determined from the 2346600100033 following partial uncertainties. 2346600100034 (ERR-S) Gamma counting statistics for Au - 0.7% 2346600100035 (ERR-1) Gamma counting statistics for Be - 0.3% 2346600100036 (ERR-2) Gamma-ray intensity of Au - 0.1% 2346600100037 (ERR-3) Gamma-ray intensity of Be - 0.04% 2346600100038 (ERR-4) Au sample mass thickness - 1.5% 2346600100039 (ERR-5) decay factor for Au - 0.01% 2346600100040 (ERR-6) decay factor for Be - 0.1% 2346600100041 (ERR-7) Be to Au gamma efficiency ratio - 1.9% 2346600100042 (ERR-8) Neutron flux correction - 1.3% 2346600100043 (ERR-9) Maxwellian distribution correction - 1.6% 2346600100044 HISTORY (20190122C) VS 2346600100045 ENDBIB 43 0 2346600100046 COMMON 10 6 2346600100047 ERR-S ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2346600100048 ERR-6 ERR-7 ERR-8 ERR-9 2346600100049 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2346600100050 PER-CENT PER-CENT PER-CENT PER-CENT 2346600100051 0.7 0.3 0.1 0.04 1.5 0.012346600100052 0.1 1.9 1.3 1.6 2346600100053 ENDCOMMON 6 0 2346600100054 ENDSUBENT 53 0 2346600199999 SUBENT 23466002 20190122 22792346600200001 BIB 2 2 2346600200002 REACTION (79-AU-197(N,G)79-AU-198,,SIG,,MXW) 2346600200003 STATUS (TABLE) Text pp. 3 of J.Phys.Conf.Ser. 940(2018)012044 2346600200004 ENDBIB 2 0 2346600200005 NOCOMMON 0 0 2346600200006 DATA 3 1 2346600200007 KT DATA ERR-T 2346600200008 KEV MB MB 2346600200009 30. 612. 20. 2346600200010 ENDDATA 3 0 2346600200011 ENDSUBENT 10 0 2346600299999 ENDENTRY 2 0 2346699999999