ENTRY 41650 20210609 41964165000000001 SUBENT 41650001 20210609 41964165000100001 BIB 13 37 4165000100002 TITLE High resolution measurements of time-dependent integral4165000100003 delayed neutron spectra from thermal neutron induced 4165000100004 fission of 235U 4165000100005 COMMENT Of author D.Gremyachkin : there is a misprint in title 4165000100006 "thermal" -> "epithermal" ; En=2.85 MeV . 4165000100007 REFERENCE (J,ANE,102,408,2017) 4165000100008 Measured spectra on figures. 4165000100009 (S,ISINN-23,88,2016) Data Table. 4165000100010 Quasi-equilibrium energy spectra of delayed neutrons 4165000100011 for epithermal neutron-induced fission of 235U 4165000100012 (W,GREMYACHKIN,20160510) 4165000100013 Comments and EN-MEAN information 4165000100014 AUTHOR (V.M.Piksaikin, A.S.Egorov, A.A.Goverdovski, 4165000100015 D.E.Gremyachkin, K.V.Mitrofanov) 4165000100016 INSTITUTE (4RUSFEI) 4165000100017 FACILITY (VDG,4RUSFEI) Cascade Generator CG-2.5. 4165000100018 Pneumatic transport tube. 4165000100019 INC-SOURCE (P-T) T(p,n)He-3 reaction on solid tritium target. 4165000100020 target was surrounded by polyethylene cube of 27 cm. 4165000100021 INC-SPECT Epithermal neutrons 4165000100022 SAMPLE Metallic U235 sample placed in horizontal hole of cube.4165000100023 Distance sample - neutron source 3.2cm. 4165000100024 METHOD (ACTIV,PHD) Cyclic irradiation. 4165000100025 Irradiation time 20 sec, time of sample 4165000100026 delivery 120msec, measurements time intervals - 4165000100027 0.12-1, 1-2, 2-3, 3-4, 4-55 sec. 4165000100028 Measured relative spectra (counts/channel) are 4165000100029 on Fig.2 of ISINN-23,88,2016 . 4165000100030 DETECTOR (HE3SP) For delayed neutron registration. 4165000100031 ADD-RES Data in tables on figures 10-14, 16-20 of 4165000100032 ANE,102,408,2017 - 8-groups delayed neutron abundances4165000100033 determined for other measured spectra (0,12-1 sec, 4165000100034 1-2 sec, 2-3 sec, 3-4 sec, 4-44 sec) and (0,12-2 sec, 4165000100035 2-12 sec, 12-22 sec, 22-32 sec, 32-152 sec). 4165000100036 HISTORY (20180410C) M.M. 4165000100037 (20210609U) AUTHOR V.M.Piksaykin -> V.M.Piksaikin. 4165000100038 Minor correction of free text. 4165000100039 ENDBIB 37 0 4165000100040 NOCOMMON 0 0 4165000100041 ENDSUBENT 40 0 4165000199999 SUBENT 41650002 20210608 41964165000200001 BIB 4 9 4165000200002 REACTION ((92-U-235(N,F),DL/GRP,NU)/(92-U-235(N,F),DL,NU)) 4165000200003 Relative abundances of delayed neutrons in 8-groups 4165000200004 presentation. 4165000200005 ANALYSIS Quasi-equilibrium spectrum (Fig.5 of ISINN-23,88,2016 4165000200006 irradiation 20sec, cooling 0.12 sec, counting 0.88 sec)4165000200007 was approximated by formula (1) . 4165000200008 ERR-ANALYS (DATA-ERR)Total error (comment of author) 4165000200009 STATUS (TABLE) Table 1 of Conf.Proc.ISINN-23,p.88,2016 4165000200010 (DEP,41438001) Derived from 6-group data 4165000200011 ENDBIB 9 0 4165000200012 COMMON 1 3 4165000200013 EN-MEAN 4165000200014 EV 4165000200015 2.85 4165000200016 ENDCOMMON 3 0 4165000200017 DATA 3 8 4165000200018 HL DATA DATA-ERR 4165000200019 SEC NO-DIM NO-DIM 4165000200020 55.6 0.034 0.01 4165000200021 24.5 0.153 0.006 4165000200022 16.3 0.086 0.004 4165000200023 5.21 0.212 0.007 4165000200024 2.37 0.298 0.009 4165000200025 1.04 0.105 0.005 4165000200026 0.424 0.073 0.004 4165000200027 0.195 0.039 0.002 4165000200028 ENDDATA 10 0 4165000200029 ENDSUBENT 28 0 4165000299999 ENDENTRY 2 0 4165099999999