ENTRY 32849 20250804 3284900000001 SUBENT 32849001 20250804 20260228 3284900100001 BIB 12 27 3284900100002 TITLE Measurement of prompt fission neutron spectrum of 3284900100003 238U induced by 2.8 MeV neutron 3284900100004 AUTHOR (Huang Hanxiong, Ruan Xichao, Ren Jie, Li Guangwu, 3284900100005 Luan Guangyuan) 3284900100006 INSTITUTE (3CPRAEP) 3284900100007 REFERENCE (J,CNPR,34,252,2017) 3284900100008 #doi:10.11804/NuclPhysRev.34.02.252 3284900100009 FACILITY (CCW,3CPRAEP) 3284900100010 INC-SOURCE (D-D) Neutron source intensity was about 1.5E7 n/s, 3284900100011 the width of the beam pulse was about 2.5 ns (FWHM). 3284900100012 SAMPLE 238U sample with weight of 3.8 kg and size of 10 cm x 3284900100013 10cm x 2 cm. 3284900100014 DETECTOR (SCIN) BC501 liquid scintillation detector, 3284900100015 calibrated by 22Na and 137CS source. 3284900100016 (SIBAR) Au-Si surface barrier detector for the 3284900100017 associated particle measurement. 3284900100018 METHOD (TOF) The distance between the detector and the 3284900100019 sample is 223 cm, between the sample and the surface 3284900100020 of deuterium target is 14 cm. The total measurement 3284900100021 time is 85.4 h, and with the sample is 60 h. 3284900100022 ERR-ANALYS (ERR-T) Total uncertainty 3284900100023 (ERR-S) Counting statistics 3284900100024 (ERR-1) Detection efficiency 3284900100025 STATUS (TABLE,,Huang Hanxiong+,J,CNPR,34,252,2017) 3284900100026 Data presented by author 3284900100027 HISTORY (20250303R) Data received from Huang Hanxiong 3284900100028 (20250804C) Jimin Wang 3284900100029 ENDBIB 27 0 3284900100030 COMMON 1 3 3284900100031 ERR-1 3284900100032 PER-CENT 3284900100033 3. 3284900100034 ENDCOMMON 3 0 3284900100035 ENDSUBENT 34 0 3284900199999 SUBENT 32849002 20250804 20260228 3284900200001 BIB 1 1 3284900200002 REACTION (92-U-238(N,F)0-NN-1,PR,NU/DE,,REL) 3284900200003 ENDBIB 1 0 3284900200004 COMMON 1 3 3284900200005 EN 3284900200006 MEV 3284900200007 2.8 3284900200008 ENDCOMMON 3 0 3284900200009 DATA 4 22 3284900200010 E DATA ERR-T ERR-S 3284900200011 MEV ARB-UNITS PER-CENT PER-CENT 3284900200012 4.50 3.66E+03 3.60 1.98 3284900200013 5.00 7.16E+03 3.26 1.27 3284900200014 5.50 8.38E+03 3.21 1.15 3284900200015 6.00 7.73E+03 3.23 1.20 3284900200016 6.50 6.37E+03 3.28 1.32 3284900200017 7.00 5.05E+03 3.35 1.49 3284900200018 7.50 3.88E+03 3.45 1.71 3284900200019 8.00 2.85E+03 3.62 2.03 3284900200020 8.50 2.27E+03 3.77 2.28 3284900200021 9.00 1.80E+03 3.94 2.56 3284900200022 9.50 1.37E+03 4.31 3.09 3284900200023 10.00 9.93E+02 4.61 3.50 3284900200024 10.50 8.42E+02 5.00 4.00 3284900200025 11.00 7.05E+02 5.27 4.33 3284900200026 11.50 5.69E+02 5.83 5.00 3284900200027 12.00 4.18E+02 6.42 5.67 3284900200028 12.50 3.79E+02 7.13 6.46 3284900200029 13.00 3.26E+02 7.39 6.76 3284900200030 13.50 2.34E+02 8.83 8.31 3284900200031 14.00 1.98E+02 8.83 8.31 3284900200032 14.50 1.87E+02 9.71 9.23 3284900200033 15.00 1.86E+02 10.07 9.61 3284900200034 ENDDATA 24 0 3284900200035 ENDSUBENT 34 0 3284900299999 ENDENTRY 2 0 3284999999999