ENTRY 10640 20160315 14161064000000001 SUBENT 10640001 20160315 14161064000100001 BIB 13 34 1064000100002 INSTITUTE (1USAWAU) 1064000100003 REFERENCE (J,NSE,62,636,1977) 1064000100004 (J,ANS,23,492,197606) 1064000100005 AUTHOR (G.W.ECCLESTON,G.L.WOODRUFF) 1064000100006 TITLE Measured Near-Equilibrium Delayed Neutron Spectra 1064000100007 Produced by Fast-Neutron-Induced Fission of 232Th, 1064000100008 233U, 235U, 238U, and 239Pu. 1064000100009 FACILITY (VDGT,1USAWAU) 1064000100010 INC-SOURCE (P-BE) 10-MeV protons on 9Be to approximate a prompt 1064000100011 fission neutron spectrum. 1064000100012 METHOD 2-second cycle consisting of a 1.0-sec irradiaiton 1064000100013 followed by a 0.080-sec delay and a 1.0-sec counting 1064000100014 period with a 0.020-sec wait. 1064000100015 DETECTOR (PROPC) Proton-recoil proportional counters 1064000100016 MONITOR Detectors calibrated using 3He(n,p)3H reaction 1064000100017 CORRECTION Corrected for energy-dependent detector efficiencies 1064000100018 and for carbon-recoil events in the methane detector. 1064000100019 Not corrected for finite detector size and field 1064000100020 effects (correction about 5%), or for possible bias 1064000100021 resulting from lead shield. 1064000100022 ERR-ANALYS (DATA-ERR) Includes counting statistics and the slope- 1064000100023 taking interval used to differentiate the recoil 1064000100024 spectra. 1064000100025 Error does not include the variance reduction realized 1064000100026 by the digital filter which would decrease their 1064000100027 magnitude by a factor of 2 to 4. 1064000100028 STATUS (APRVD) Approved by author 77/1/10 1064000100029 HISTORY (19761104C) 1064000100030 (19840217A) Converted to REACTION formalism 1064000100031 (19920429A) REFERENCE, BIB update 1064000100032 (19980813A) Converted to lower case and new date 1064000100033 formalism 1064000100034 (20160211D) OS. Entry deleted. Aggregate near- 1064000100035 equilibrium spectrum data, outside scope of Exfor. 1064000100036 ENDBIB 34 0 1064000100037 NOCOMMON 0 0 1064000100038 ENDSUBENT 37 0 1064000199999 NOSUBENT 10640002 20160315 14161064000200001 NOSUBENT 10640003 20160315 14161064000300001 NOSUBENT 10640004 20160315 14161064000400001 NOSUBENT 10640005 20160315 14161064000500001 NOSUBENT 10640006 20160315 14161064000600001 ENDENTRY 6 0 1064099999999