ENTRY 32587 20151205 31733258700000001 SUBENT 32587001 20151205 31733258700100001 BIB 13 37 3258700100002 TITLE Experimental study of the prompt neutron spectrum 3258700100003 of 235U fission induced by thermal neutrons 3258700100004 AUTHOR (Wang Yufeng, Bai Xixiang, Li Anli, Wang Xiaozhong, 3258700100005 Li Jingwen, Meng Jiangchen, Bao Zhongyu) 3258700100006 INSTITUTE (3CPRAEP) 3258700100007 REFERENCE (J,CNP,11,(4),47,1989) 3258700100008 FACILITY (REAC,3CPRAEP) CIAE heavy water reactor 3258700100009 INC-SOURCE (THCOL) 3258700100010 SAMPLE (92-U-235,ENR=0.93) 21 mg (contained on 12 plates of 3258700100011 0.1 mm thick stainless steel coated with 300 ug/cm2 3258700100012 of 235U) 3258700100013 METHOD (TOF) Flight path of 3.17 m, and time resolution of 3258700100014 1.64 nsec. 3258700100015 DETECTOR (FISCH) Multisection parallel plate fast fission 3258700100016 chamber for fission fragment detection (stop signal) 3258700100017 (SCIN) ST-451 liquid scintillator (10.4 cm in diam., 3258700100018 5 cm thick) for neutron detection with pulse shape 3258700100019 neutron gamma discrimination. 3258700100020 The efficiencies were determined by combining the 3258700100021 n-p scattering experiment using 14.8 MeV neutrons 3258700100022 with Monte-Carlo calculation using the code NEFF4. 3258700100023 CORRECTION Corrected for 3258700100024 - accidental coincidence of non-correlated signals 3258700100025 from neutron detector and fission chamber 3258700100026 - scattered neutron background from surrounding 3258700100027 material of fission chamber 3258700100028 - fission neutron intensity attenuation in air due 3258700100029 to absorption and scattering of oxygen and nitrogen 3258700100030 ERR-ANALYS (DATA-ERR) No information on sources of uncertainty 3258700100031 STATUS (APRVD) Proof-copy was approved by authors, and 3258700100032 authors corrections have been entered. 3258700100033 HISTORY (19930416C) Compiled by Liu Tingjin,CNDC 3258700100034 (19930514R) 3258700100035 (20101028A) SD:Updated to new date formats,lower case. 3258700100036 REACTION code in Subent 002,003 changed according to 3258700100037 EXFOR rules. Author corrected: Bao Zongyu=>Bao Zhongyu3258700100038 (20151205U) On. SAMPLE, METHOD and DETECTOR updated. 3258700100039 ENDBIB 37 0 3258700100040 COMMON 1 3 3258700100041 EN-DUMMY 3258700100042 EV 3258700100043 0.0253 3258700100044 ENDCOMMON 3 0 3258700100045 ENDSUBENT 44 0 3258700199999 SUBENT 32587002 20151205 31733258700200001 BIB 3 4 3258700200002 REACTION (92-U-235(N,F),PR,NU/DE,,MXW/REL) 3258700200003 STATUS (TABLE) Data received from the authors 3258700200004 HISTORY (20101028A) REACTION: SF6-SF7: DE,N => NU/DE,, 3258700200005 (20151205A) On. NO-DIM -> ARB-UNITS 3258700200006 ENDBIB 4 0 3258700200007 NOCOMMON 0 0 3258700200008 DATA 3 44 3258700200009 E DATA DATA-ERR 3258700200010 MEV ARB-UNITS ARB-UNITS 3258700200011 0.56 2.025E+06 1.6E+04 3258700200012 0.61 2.311E+06 1.6E+04 3258700200013 0.66 2.398E+06 1.4E+04 3258700200014 0.73 2.465E+06 1.2E+04 3258700200015 0.81 2.431E+06 1.0E+04 3258700200016 0.91 2.400E+06 8.7E+03 3258700200017 1.04 2.292E+06 5.9E+03 3258700200018 1.16 2.229E+06 5.6E+03 3258700200019 1.21 2.170E+06 5.0E+03 3258700200020 1.28 2.070E+06 4.2E+03 3258700200021 1.36 1.990E+06 3.9E+03 3258700200022 1.44 1.923E+06 3.6E+03 3258700200023 1.53 1.856E+06 3.7E+03 3258700200024 1.61 1.805E+06 3.4E+03 3258700200025 1.70 1.737E+06 3.1E+03 3258700200026 1.81 1.679E+06 3.0E+03 3258700200027 1.91 1.584E+06 2.8E+03 3258700200028 2.03 1.487E+06 2.5E+03 3258700200029 2.16 1.396E+06 2.3E+03 3258700200030 2.31 1.295E+06 2.2E+03 3258700200031 2.48 1.184E+06 1.9E+03 3258700200032 2.67 1.076E+06 1.7E+03 3258700200033 2.90 9.398E+05 1.5E+03 3258700200034 3.15 8.198E+05 1.4E+03 3258700200035 3.41 6.981E+05 1.3E+03 3258700200036 3.70 5.812E+05 1.1E+03 3258700200037 4.03 4.706E+05 9.1E+02 3258700200038 4.37 3.745E+05 9.2E+02 3258700200039 4.71 2.969E+05 7.3E+02 3258700200040 5.06 2.359E+05 7.2E+02 3258700200041 5.37 1.879E+05 1.3E+03 3258700200042 5.70 1.527E+05 7.0E+02 3258700200043 6.08 1.142E+05 6.4E+02 3258700200044 6.48 8.541E+04 6.0E+02 3258700200045 6.91 6.193E+04 5.3E+02 3258700200046 7.35 4.549E+04 4.5E+02 3258700200047 7.80 3.283E+04 2.6E+02 3258700200048 8.28 2.261E+04 2.5E+02 3258700200049 8.78 1.522E+04 2.3E+02 3258700200050 9.52 9.220E+03 2.7E+02 3258700200051 10.71 3.453E+03 1.6E+02 3258700200052 12.16 1.052E+03 8.3E+01 3258700200053 13.82 2.931E+02 5.7E+01 3258700200054 15.35 2.176E+02 5.9E+01 3258700200055 ENDDATA 46 0 3258700200056 ENDSUBENT 55 0 3258700299999 SUBENT 32587003 20151205 31733258700300001 BIB 4 9 3258700300002 REACTION 1(92-U-235(N,F)0-NN-1,PR,KE,,MXW) 3258700300003 2(92-U-235(N,F)0-NN-1,PR,KEM,,MXW) 3258700300004 COMMENT By compiler: the mean energy and temperature are 3258700300005 1.976 MeV and 1.317 MeV in Table 1 of Chin.Nucl. 3258700300006 Phys.11(4),47(1989). 3258700300007 STATUS 1(TABLE) Data received from the authors 3258700300008 2(TABLE) Text (p53) of Chin.Nucl.Phys.11(4),47(1989) 3258700300009 HISTORY (20100303A) SD: REACTION changed according to rules 3258700300010 (20151205A) On. kT=1.321 MeV added. 3258700300011 ENDBIB 9 0 3258700300012 NOCOMMON 0 0 3258700300013 DATA 2 1 3258700300014 DATA 1DATA 2 3258700300015 MEV MEV 3258700300016 1.9815 1.321 3258700300017 ENDDATA 3 0 3258700300018 ENDSUBENT 17 0 3258700399999 ENDENTRY 3 0 3258799999999