ENTRY 41295 20180212 41784129500000001 SUBENT 41295001 20180212 41784129500100001 BIB 13 54 4129500100002 TITLE Experimental study of energy dependence of fission 4129500100003 fragments angular anisotropy in resonance-neutron- 4129500100004 induced fission of U-235 aligned target 4129500100005 AUTHOR (D.I.Tambovtsev,L.K.Kozlovskiy, N.N.Gonin,N.S.Rabotnov,4129500100006 Yu.N.Kopach, A.B.Popov, W.I.Furman, J.Kliman, H.Postma,4129500100007 A.A.Bogdzel, M.A.Guseynov) 4129500100008 INSTITUTE (4RUSFEI) Tambovtsev, Kozlovskiy,Gonin, Rabotnov, 4129500100009 Guseynov 4129500100010 (4ZZZDUB) Kopach, Popov, Furman, Bogdzel 4129500100011 (2NEDDEL) Postma 4129500100012 (3SLKSLO) Kliman 4129500100013 REFERENCE (J,PAN,60,877,1997) Engl.translation of YF,60,981,1997 4129500100014 (J,YF,60,981,1997) Main reference . Issue 6. 4129500100015 (C,97TRIEST,1,473,1997) 4129500100016 Graphs of fitting of angular anisotropy coefficient A2.4129500100017 ((S,ISINN-4,313,1996)=(S,JINR-E3-96-336,313,1996)) 4129500100018 Graphs of angular anisotropy coefficient A2. 4129500100019 First author A.Bogdzel. 4129500100020 ((S,ISINN-5,339,1997)=(S,JINR-E3-97-213,339,1997)) 4129500100021 Graph of angular anisotropy coefficient A2. 4129500100022 First author D.Tambovtsev. 4129500100023 ((S,ISINN-6,260,1998)=(S,JINR-E3-98-202,260,1998)) 4129500100024 Graph of angular anisotropy coefficient A2. Theory. 4129500100025 First author W.Furman. 4129500100026 FACILITY (REAC,4ZZZDUB) Pulse Fast Reactor IBR-30, neutron 4129500100027 pulse duration 4 microsec, repetition rate 100 Hz 4129500100028 METHOD (TOF) Flight base is 29.45+-0.05 m 4129500100029 Black resonances (Co,W,Ag,Rh,Cd) to measure background.4129500100030 DETECTOR (SIBAR) Three Si surface-barrier detectors of 4129500100031 of rectangular form area 2*5 cm**2 each, at 0, 45, 90 4129500100032 degrees to c-axe of uranil crystals. 4129500100033 (SOLST) Silicon detector for neutron flux monitoring 4129500100034 using the additional U-235 layer of 0.5 mg/cm**2. 4129500100035 INC-SOURCE (POLTR) 4129500100036 SAMPLE Uranil-rubidium nitrate (U-O2-Rb(N-O3)*3) by low 4129500100037 temperatures allowing U-235 spin aligning in a plane 4129500100038 perpendicular to c-axe uranil monocrystal. 4129500100039 U-234 content is 0.42+-0.01% 4129500100040 U-235 content is 99.4+-0.2% , 4129500100041 U-236 content is 0.15+-0.01% , 4129500100042 U-238 content is less than 0.015 % . 4129500100043 TEMP = 0.1 K . 4129500100044 CORRECTION For background. 4129500100045 For experimental real geometry by Monte Carlo method. 4129500100046 STATUS (TABLE) Table 2 of J,YF,60,(6),981,1997. 4129500100047 ERR-ANALYS (DATA-ERR) Total error consists of statistical one and 4129500100048 geometrical corrections errors . 4129500100049 HISTORY (19980915C) + + Compiled at the center - CJD + + 4129500100050 (20000225U) . . References added. Errors corrected 4129500100051 (20091109A) M.M. References ISINN- were added. 4129500100052 BIB information was added. 4129500100053 (20140201U) Ref.of Engl.translation was added . 4129500100054 (20150226U) Duplicative line in REFERENCE was deleted. 4129500100055 (20180212A) M.M. Subent 002 reaction was corrected. 4129500100056 ENDBIB 54 0 4129500100057 NOCOMMON 0 0 4129500100058 ENDSUBENT 57 0 4129500199999 SUBENT 41295002 20180212 41784129500200001 BIB 4 22 4129500200002 REACTION (92-U-235(N,F),,DA,FF,LEG/RS/MSC) Legendre Coef. 4129500200003 in the fission differential cross-section expansion 4129500200004 in the form (D-SIG/D-OMEGA)=SIG(E)/4PI*(1+F2(T)*A2(E)*4129500200005 P2(COS(THETA))) 4129500200006 Value at resonance EN-RES is given. 4129500200007 ANALYSIS F2(T)=(1/I**2)*[ - (1/3)*I*(I+1)], 4129500200008 I- spin of target nucleus; 4129500200009 M - it's projection on C-axe, temperature dependent. 4129500200010 In this experiment F2 defined to be -0.15+-0.02 . 4129500200011 REL-REF (A,22757001,N.J.Pattenden+,J,NP/A,167,225,1971) 4129500200012 Agree after additional 10% correction (introduced in 4129500200013 data of 22757) for crystals orientation. 4129500200014 (N,,H.A.Tolhoek+,J,PHY,19,101,1953) 4129500200015 F2 was defined according to this REL-REF. 4129500200016 HISTORY (20000225U) Temperature-dependent data specified. 4129500200017 TEMP data unit changed . 4129500200018 (20091109A) SF8 was corrected: LEG/RS/FCT -> LEG/RS/MSC4129500200019 according to N.O.comment. 4129500200020 (20180212A) M.M. Reaction was corrected : 4129500200021 DA/TMP,FF,LEG/RS/MSC -> DA,FF,LEG/RS/MSC , 4129500200022 TEMP was removed , 4129500200023 according to N.Otsuka comment (NDS,IAEA). 4129500200024 ENDBIB 22 0 4129500200025 COMMON 1 3 4129500200026 NUMBER 4129500200027 NO-DIM 4129500200028 2. 4129500200029 ENDCOMMON 3 0 4129500200030 DATA 4 34 4129500200031 EN-RES EN-RES DATA DATA-ERR 4129500200032 EV EV NO-DIM NO-DIM 4129500200033 1.14 1.83 0.12 4129500200034 2.05 1.28 0.24 4129500200035 3.15 1.49 0.22 4129500200036 3.61 2.08 0.24 4129500200037 4.85 1.71 0.39 4129500200038 5.46 5.84 0.97 0.29 4129500200039 6.17 1.26 0.27 4129500200040 6.39 1.30 0.22 4129500200041 7.09 2.53 0.28 4129500200042 8.78 1.52 0.11 4129500200043 9.28 1.92 0.19 4129500200044 10.16 1.39 0.23 4129500200045 11.67 0.71 0.23 4129500200046 12.39 0.93 0.14 4129500200047 12.90 1.57 0.26 4129500200048 13.34 0.68 0.26 4129500200049 14.02 1.05 0.18 4129500200050 14.53 1.17 0.24 4129500200051 15.45 1.72 0.33 4129500200052 16.10 1.92 0.32 4129500200053 16.67 2.28 0.32 4129500200054 18.05 1.48 0.26 4129500200055 19.30 1.65 0.13 4129500200056 20.15 1.87 0.23 4129500200057 21.10 2.02 0.23 4129500200058 22.40 23.65 1.55 0.20 4129500200059 25.20 25.55 0.84 0.18 4129500200060 27.84 1.31 0.21 4129500200061 29.63 1.53 0.26 4129500200062 30.6 30.85 2.16 0.28 4129500200063 32.05 1.45 0.22 4129500200064 34.81 35.16 0.85 0.11 4129500200065 39.41 1.58 0.22 4129500200066 41.90 42.20 0.92 0.24 4129500200067 ENDDATA 36 0 4129500200068 ENDSUBENT 67 0 4129500299999 ENDENTRY 2 0 4129599999999