ENTRY 41388 20200515 41874138800000001 SUBENT 41388001 20200515 41874138800100001 BIB 13 107 4138800100002 TITLE Investigations of the parity violation and 4138800100003 interference effects in 235U fission induced by 4138800100004 resonance neutrons 4138800100005 AUTHOR (A.M.Gagarskiy, I.S.Guseva, S.P.Golosovskaya, 4138800100006 I.A.Krasnoshchekova, A.M.Morozov, G.A.Petrov, 4138800100007 V.I.Petrova, A.K.Petukhov, Yu.S.Pleva, V.E.Sokolov, 4138800100008 G.V.Val'skiy, V.P.Alfimenkov, A.N.Chernikov, L.Lason, 4138800100009 Yu.D.Mareev, V.V.Novitskiy, L.B.Pikel'ner, V.R.Skoy, 4138800100010 M.I.Tsulaya, S.M.Soloviev) 4138800100011 INSTITUTE (4RUSLIN) Gagarskiy, Guseva, Golosovskaya, 4138800100012 Krasnoshchekova, Morozov, Petrov, Petrova, 4138800100013 Petukhov, Pleva, Sokolov, Val'skiy 4138800100014 (4ZZZDUB) Alfimenkov, Chernikov, Mareev, Novitskiy, 4138800100015 Pikel'ner, Skoy, Tsulaya, Lason 4138800100016 (4RUSRI ) Soloviev 4138800100017 (3POLLOU) Lason 4138800100018 REFERENCE ((S,ISINN-5,182,1997)=(S,JINR-E3-97-213,182,1997)) 4138800100019 Data for U-235 resonance parameters are given 4138800100020 REL-REF (N,,V.L.Aksenov+,R,JINR-E3-92-110,1992) Experimental 4138800100021 details concerning linear accelerator LUE-40 4138800100022 FACILITY (REAC,4ZZZDUB) IBR-30 reactor in booster mode, power 4138800100023 level 10 kW. 4138800100024 (LINAC,4ZZZDUB) Linear electron accelerator LUE-40 4138800100025 With Electron Beam Frequency 100 Hz, Electron Beam 4138800100026 Energy 40 MeV, electron current 0.4 Amperes . 4138800100027 INC-SOURCE (PHOTO) Gamma bremsstrahlung from electrons 4138800100028 impinging tungsten target. 4138800100029 (POLNS,THCOL) 4138800100030 Fast neutrons are moderated in a water 4138800100031 moderator and then transmitted through a vacuum 4138800100032 tube to the experimental installation . 4138800100033 METHOD (TOF) Flight path is 13 m . 4138800100034 DETECTOR (FISCH) Two chambers were used. 4138800100035 -The first of them was filled with isobutane gas at 4138800100036 pressure is 0.7 atm, total amount of U-235 is 2 gram.4138800100037 -The second chamber is a special multisectional 4138800100038 chamber specially constructed for making these 4138800100039 measurements. it had a 40 sections with right-angle 4138800100040 (110*96 mm-sq) formed electrodes made of 0.15 mm 4138800100041 thick aluminum foil. Fissile layers had an average 4138800100042 thickness o.35 milligram/cm2, such that the total 4138800100043 amount of U-235 was the same as in first chamber 4138800100044 (about 2 gram). The volume of this chamber was filled4138800100045 with argon + 5% methane at pressure 2.4 Atm. 4138800100046 MONITOR No information . 4138800100047 ADD-RES Table 1 of S,ISINN-5,182,1997 4138800100048 Average weighted in energy interval: 4138800100049 . 92-U-235(N,F) forward-backward asymmetry. 4138800100050 Asymmetry was defined as 4138800100051 (R1-R2)/2*(R1+R2), where R1, R2 are ratio of light 4138800100052 fragment count rate to heavy fragment count rate for 4138800100053 two opposite directions of escape. 4138800100054 EN-MIN EN-MAX DATA DATA-ERR 4138800100055 EV EV NO-DIM NO-DIM 4138800100056 80. 95. 4138800100057 70. 80. 4138800100058 60. 70. 22.2 E-4 2.8 E-4 4138800100059 50. 60. 21.2 E-4 2.3 E-4 4138800100060 40. 50. -21.5E-4 2.2 E-4 4138800100061 30. 40. 25.6 E-4 1.8 E-4 4138800100062 20. 30. 7.8 E-4 1.8 E-4 4138800100063 10. 20. 1.8 E-4 1.3 E-4 4138800100064 0. 10. 3.14 E-4 0.44E-4 4138800100065 0. 70. 4.34 E-4 0.38E-4 4138800100066 . 92-U-235(N,F) left-right asymmetry 4138800100067 Asymmetry was defined as 4138800100068 (N1-N2)/(N1+N2), where N1, N2 are light fragment 4138800100069 count rates for two opposite directions of escape. 4138800100070 EN-MIN EN-MAX DATA DATA-ERR 4138800100071 EV EV NO-DIM NO-DIM 4138800100072 80. 95. -2.1 E-4 3.1 E-4 4138800100073 70. 80. -6.1 E-4 3.6 E-4 4138800100074 60. 70. -6.8 E-4 3.6 E-4 4138800100075 50. 60. -3.9 E-4 2.4 E-4 4138800100076 40. 50. -11.9E-4 2.4 E-4 4138800100077 30. 40. 3.9 E-4 1.9 E-4 4138800100078 20. 30. 10.8 E-4 1.9 E-4 4138800100079 10. 20. -5.8 E-4 1.3 E-4 4138800100080 0. 10. 1.83 E-4 0.25E-4 4138800100081 0. 95. 1.47 E-4 0.24E-4 4138800100082 . 92-U-235(N,F) parity nonconservation . 4138800100083 Asymmetry was defined as 4138800100084 (N1-N2)/(N1+N2), where N1, N2 are light fragment 4138800100085 count rates for two opposite directions of escape. 4138800100086 EN-MIN EN-MAX DATA3 DATA-ERR 3 4138800100087 EV EV NO-DIM NO-DIM 4138800100088 80. 95. -1.0E-4 2.9 E-4 4138800100089 70. 80. -1.1E-4 3.2 E-4 4138800100090 60. 70. 2.4 E-4 3.2 E-4 4138800100091 50. 60. -5.5E-4 2.1 E-4 4138800100092 40. 50. -1.7E-4 2.1 E-4 4138800100093 30. 40. 0.7 E-4 1.7 E-4 4138800100094 20. 30. -0.8E-4 1.6 E-4 4138800100095 10. 20. 0.6 E-4 1.2 E-4 4138800100096 0. 10. 0.83E-4 0.22E-4 4138800100097 0. 95. 0.70E-4 0.21E-4 4138800100098 INC-SPECT Flux of resonance polarized neutrons 3.E+5*1.E-0.9 4138800100099 n/s*eV. Average polarization over whole neutron energy4138800100100 region investigated was about 60%, was reversed every 4138800100101 100 sec. 4138800100102 HISTORY (20020903C) + + Compiled at the Center - CJD + + 4138800100103 (20020904U) Last checking has been done. 4138800100104 (20080406U) M.M. Author's name was corrected: 4138800100105 "L.Lason'" into "L.Lason". 4138800100106 (20101122A) Reference S,ISINN-5,182,1997 was added. 4138800100107 Subent 003 was added. 4138800100108 (20200515A) Subent 003 data were move in ADD-RES. 4138800100109 ENDBIB 107 0 4138800100110 NOCOMMON 0 0 4138800100111 ENDSUBENT 110 0 4138800199999 SUBENT 41388002 20200515 41874138800200001 BIB 3 5 4138800200002 REACTION 1(92-U-235(N,EL),,WID) 4138800200003 2(92-U-235(N,F),,WID) 4138800200004 3(92-U-235(N,0),,J) 4138800200005 STATUS (TABLE) From Table 2 of S,ISINN-5,182,1997 4138800200006 ERR-ANALYS Errors are not given in the article 4138800200007 ENDBIB 5 0 4138800200008 COMMON 1 3 4138800200009 MOMENTUM L 4138800200010 NO-DIM 4138800200011 1. 4138800200012 ENDCOMMON 3 0 4138800200013 DATA 4 20 4138800200014 EN-RES DATA 1DATA 2DATA 3 4138800200015 EV MILLI-EV MILLI-EV NO-DIM 4138800200016 0.20 0.48 178. 3. 4138800200017 0.38 0.05 60. 3. 4138800200018 1.20 0.17 163. 4. 4138800200019 5.38 2.60 1040. 3. 4138800200020 5.74 5.00 80. 4. 4138800200021 6.95 0.73 190. 4. 4138800200022 7.37 0.84 250. 3. 4138800200023 7.78 1.55 1350. 4. 4138800200024 9.28 1.73 157. 4. 4138800200025 9.77 0.72 185. 3. 4138800200026 10.16 2.99 80. 4. 4138800200027 10.65 1.49 182. 4. 4138800200028 11.28 2.09 200. 3. 4138800200029 11.66 2.69 208. 3. 4138800200030 12.00 0.90 80. 4. 4138800200031 12.23 0.60 100. 3. 4138800200032 12.38 0.60 100. 4. 4138800200033 12.85 4.48 290. 4. 4138800200034 13.23 0.60 450. 4. 4138800200035 13.90 0.45 150. 4. 4138800200036 ENDDATA 22 0 4138800200037 ENDSUBENT 36 0 4138800299999 NOSUBENT 41388003 20200515 41874138800300001 ENDENTRY 3 0 4138899999999