ENTRY 31864 20231006 3186400000001 SUBENT 31864001 20231006 20240316 3186400100001 BIB 13 33 3186400100002 TITLE Thermal neutron capture cross-section and resonance 3186400100003 integral measurements of 186W(n,g)187W reaction using 3186400100004 the thermal column neutron source at the Dalat research3186400100005 reactor 3186400100006 AUTHOR (T.T.Tu Anh, P.N.Son, N.B.Thuy, C.D.Vu) 3186400100007 INSTITUTE (3VN DAL) 3186400100008 (3VN VN) The University of Dalat, Dalat 3186400100009 REFERENCE (J,ANE,194,110131,2023) 3186400100010 FACILITY (REAC,3VN DAL) 500-kW TRIGA-type research reactor 3186400100011 INC-SOURCE (THCOL) Thermal neutron channel 3186400100012 SAMPLE W (99.98%, 0.5 cm x 0.5 cm and 0.0264 mm in thickness),3186400100013 Au (1.0 mm in dia. and 0.5 cm in length) 3186400100014 DETECTOR (HPGE) 3186400100015 DECAY-MON (79-AU-198-G,2.696D,DG,411.8,0.9562) 3186400100016 P.N.Son (2023-11-25): The half-life used in our 3186400100017 experiment and data analysis is T1/2 = 2.696 d. We 3186400100018 made a mistake when editing Table 3. 3186400100019 METHOD (ACTIV) 3186400100020 one set of target and monitor samples was wrapped in a 3186400100021 thin Al sheet and positioned into polyethylene capsule 3186400100022 (1.53 cm diam., 5.0 cm length, 1.5 mm thick) for bare 3186400100023 irradiation. 3186400100024 Another same set of target and monitor was used with 3186400100025 a Cd-shield polyethylene capsule (1.0 mm thick) for 3186400100026 Cd-shield irradiation. 3186400100027 CORRECTION Corrected for 3186400100028 - Epithermal neutron shape spectrum parameter 3186400100029 (alpha=0.083+/-0.005) determined by Au/Al wire, 3186400100030 Co/Al wire, W foil, Zr foil. 3186400100031 - Neutron self-shielding correction factors (Gth, Gepi)3186400100032 STATUS (APRVD) Approved by Pham Ngoc Son (2023-10-10) 3186400100033 (TABLE,,T.T.Tu Anh+,J,ANE,194,110131,2023) Table 4 3186400100034 HISTORY (20231006C) VT+On. 3186400100035 ENDBIB 33 0 3186400100036 NOCOMMON 0 0 3186400100037 ENDSUBENT 36 0 3186400199999 SUBENT 31864002 20231006 20240316 3186400200001 BIB 4 20 3186400200002 REACTION (74-W-186(N,G)74-W-187,,SIG,,MXW) 3186400200003 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3186400200004 DECAY-DATA (74-W-187,24.00HR,DG,479.53,0.266, 3186400200005 DG,685.81,0.332) 3186400200006 ERR-ANALYS (ERR-T) Total uncertainty is the quadrature sum of 3186400200007 DATA-ERR1 (=ERR-1 to ERR-4), DATA-ERR2 (=ERR-5 to 3186400200008 ERR-9) and MONIT-ERR 3186400200009 (DATA-ERR1) Total error as the square root of the 3186400200010 quadratic sum of all its constituents (1.28%)3186400200011 (ERR-1) Statistical error, 186W (0.30%)3186400200012 (ERR-2) Detection efficiency, 186W (1.24%)3186400200013 (ERR-3) Gamma-ray emission probability, 186W (0.10%)3186400200014 (ERR-4) Thermal self-shielding factor Gth, 186W (0.10%)3186400200015 (DATA-ERR2) Total error in 197Au cross section (1.48%)3186400200016 (ERR-5) Statistical error, 197Au (0.74%)3186400200017 (ERR-6) Detection efficiency, 197Au (1.24%)3186400200018 (ERR-7) Gamma-ray emission probability, 197Au (0.10%)3186400200019 (ERR-8) Thermal self-shielding factor Gth, 197Au(0.30%)3186400200020 (ERR-9) Reference cross-section, 197Au (0.09%)3186400200021 (MONIT-ERR) Total error of the reference sigma 3186400200022 ENDBIB 20 0 3186400200023 COMMON 11 6 3186400200024 DATA-ERR1 ERR-1 ERR-2 ERR-3 ERR-4 DATA-ERR2 3186400200025 ERR-5 ERR-6 ERR-7 ERR-8 ERR-9 3186400200026 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3186400200027 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3186400200028 1.28 0.30 1.24 0.10 0.10 1.483186400200029 0.74 1.24 0.10 0.30 0.09 3186400200030 ENDCOMMON 6 0 3186400200031 DATA 5 1 3186400200032 EN DATA ERR-T MONIT MONIT-ERR 3186400200033 EV B B B B 3186400200034 0.0253 31.76 0.63 98.659 0.09 3186400200035 ENDDATA 3 0 3186400200036 ENDSUBENT 35 0 3186400299999 SUBENT 31864003 20231006 20240316 3186400300001 BIB 4 29 3186400300002 REACTION (74-W-186(N,G)74-W-187,,RI) 3186400300003 MONITOR (79-AU-197(N,G)79-AU-198,,RI) 3186400300004 DECAY-DATA (74-W-187,24.00HR,DG,479.53,0.266, 3186400300005 DG,685.81,0.332) 3186400300006 ERR-ANALYS (ERR-T) Total uncertainty is the quadrature sum of 3186400300007 DATA-ERR1 (=ERR-1 to ERR-7), DATA-ERR2 (=ERR-8 to 3186400300008 ERR-15) and MONIT-ERR 3186400300009 (DATA-ERR1) Total error as the square root of the 3186400300010 quadratic sum of all its constituents (5.27%)3186400300011 (ERR-1) Statistical error, 186W (0.30%)3186400300012 (ERR-2) Detection efficiency, 186W (1.24%)3186400300013 (ERR-3) Gamma-ray emission probability, 186W (0.10%)3186400300014 (ERR-4) Thermal self-shielding factor Gth, 186W (0.10%)3186400300015 (ERR-5) Reference cross section, 186W (1.98%)3186400300016 (ERR-6) Epithermal self-shielding factor Gepi, 186W 3186400300017 (4.4%)3186400300018 (ERR-7) Alpha-shape factor, 186W (1.68%)3186400300019 (DATA-ERR2) Total error in 197Au cross section (2.91%)3186400300020 (ERR-8) Statistical error, 197Au (0.74%)3186400300021 (ERR-9) Detection efficiency, 197Au (1.24%)3186400300022 (ERR-10) Gamma-ray emission probability, 197Au (0.10%)3186400300023 (ERR-11) Thermal self-shielding factor Gth, 197Au 3186400300024 (0.30%)3186400300025 (ERR-12) Reference cross-section, 197Au (0.09%)3186400300026 (ERR-13) Reference resonance integral, 197Au (1.81%)3186400300027 (ERR-14) Epithermal self-shielding factor Gepi, 197Au 3186400300028 (0.4%)3186400300029 (ERR-15) Alpha-shape factor, 197Au (1.68%)3186400300030 (MONIT-ERR) Total error of the reference sigma 3186400300031 ENDBIB 29 0 3186400300032 COMMON 17 9 3186400300033 DATA-ERR1 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 3186400300034 ERR-6 ERR-7 DATA-ERR2 ERR-8 ERR-9 ERR-10 3186400300035 ERR-11 ERR-12 ERR-13 ERR-14 ERR-15 3186400300036 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3186400300037 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3186400300038 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3186400300039 5.27 0.30 1.24 0.10 0.10 1.983186400300040 4.4 1.68 2.91 0.74 1.24 0.103186400300041 0.30 0.09 1.81 0.4 1.68 3186400300042 ENDCOMMON 9 0 3186400300043 DATA 5 1 3186400300044 EN DATA ERR-T MONIT MONIT-ERR 3186400300045 EV B B B B 3186400300046 0.55 429.2 25.6 1550. 28. 3186400300047 ENDDATA 3 0 3186400300048 ENDSUBENT 47 0 3186400399999 ENDENTRY 3 0 3186499999999