ENTRY 21134 20160705 22512113400000001 SUBENT 21134001 20160705 22512113400100001 BIB 12 38 2113400100002 INSTITUTE (2ITYCAT) 2113400100003 REFERENCE (J,NP,63,641,196503) 2113400100004 AUTHOR (V.Emma,S.Lo Nigro,C.Milone,R.Ricamo) 2113400100005 TITLE -Fission of U-238 with neutrons from 2 to 5 MeV- 2113400100006 FACILITY .Not given. 2113400100007 INC-SOURCE (D-D) Solid d2-O target bombarded by 5 microAmp 2113400100008 beam of 2 MeV deuterons. 2113400100009 INC-SPECT .Spread in neutron energy due to target thickness 2113400100010 varied from 100 keV at 5 MeV to 1.4 keV at 2 MeV. 2113400100011 SAMPLE .35 mg of U-O2-(N-O3)2.6H2-O loaded on nuclear plates. 2113400100012 .ZnS detector mixed with sample. 2113400100013 .Uranium plate sample used with surface barrier 2113400100014 detector. 2113400100015 Natural U, U-235 - 0.7%. 2113400100016 METHOD .Detection of fission fragments. 2113400100017 DETECTOR .Three detecting systems used- 2113400100018 (TRD) Ilford KO nuclear plates, 2.5 cm X 7.5 cm and 2113400100019 200 micrometre thick. 2113400100020 (SCIN) ZnS(Ag) powder mixed with 7 mg/cm-sq of uranyl 2113400100021 nitrate powder contained in a thin glass 2113400100022 cylinder 4 cm in diameter whose base was 2113400100023 parallel to the incoming neutrons. Detector 2113400100024 at mean distance of 10 cm from the source. 2113400100025 (SIBAR) Silicon surface barrier detector 0.5 cm in 2113400100026 diameter used to detect fragments from 0.5 2113400100027 mm thick, 0.5 cm diameter, uranium plate. 2113400100028 Detector 5 mm from sample. 2113400100029 .Two monitor detectors, one fixed and one placed 2113400100030 behind fission detector used in last two systems. 2113400100031 PART-DET (FF) Fission fragments. 2113400100032 HISTORY (19790928C) 2113400100033 (19791112E) 2113400100034 (20071218A) Date is corrected. ERR-SYS given. 2113400100035 (20071218U) DATA-ERR to ERR-S changed 2113400100036 (20160705A) M.M. SOLST -> SIBAR . 2113400100037 Article was checked, BIB information was updated. 2113400100038 Digitized data were added in Subent 003. 2113400100039 Subent 004 was added. 2113400100040 ENDBIB 38 0 2113400100041 NOCOMMON 0 0 2113400100042 ENDSUBENT 41 0 2113400199999 SUBENT 21134002 20160705 22512113400200001 BIB 4 11 2113400200002 REACTION (92-U-238(N,F),,SIG) 2113400200003 ERR-ANALYS (ERR-S) .Statistical errors are given. 2113400200004 (ERR-1) .Supplementary uncertainty of 5 percent due 2113400200005 to uncertainty in the differential d(d,n) cross-sect. 2113400200006 (ERR-2,,1.) Contribution of slow neutrons less 1.% 2113400200007 STATUS (NDD) Data from NEUDADA. 2113400200008 Graphical data in fig.5 of J,NP,63,641,1965, 2113400200009 total 59 points given in arbitrary units 2113400200010 for nuclear plates, ZnS detector, barrier detector - 2113400200011 see Subent 004 (digitized data). 2113400200012 HISTORY (20160705A) M.M. ERR-2 was added. 2113400200013 ENDBIB 11 0 2113400200014 COMMON 2 3 2113400200015 ERR-S ERR-1 2113400200016 PER-CENT PER-CENT 2113400200017 5. 5. 2113400200018 ENDCOMMON 3 0 2113400200019 DATA 2 7 2113400200020 EN DATA 2113400200021 MEV B 2113400200022 1.8 4.5E-01 2113400200023 2.0 5.3E-01 2113400200024 2.5 5.4E-01 2113400200025 3.0 4.7E-01 2113400200026 3.5 4.6E-01 2113400200027 4.0 5.0E-01 2113400200028 4.5 5.0E-01 2113400200029 ENDDATA 9 0 2113400200030 ENDSUBENT 29 0 2113400299999 SUBENT 21134003 20160705 22512113400300001 BIB 7 25 2113400300002 REACTION (92-U-238(N,F),,DA,FF,REL) 2113400300003 Data are given in arb.units on figure. 2113400300004 METHOD Angular distributions of FF ( referred to the neutron 2113400300005 direction) were obtained by nuclear plates. 2113400300006 ANG - projection in the plane of emulsion of the angle 2113400300007 between incident neutrons and the direction of two fis.2113400300008 fragments. ANG bin 10 deg. The dip angle of the 2113400300009 fragments with respect to the plane of emulsion was 2113400300010 less or equal 10 deg. 2113400300011 ANALYSIS Normalization of the numbers of events in the interval 2113400300012 80deg < = ANG <= 90deg. Angle bin is 10 deg . 2113400300013 MISC-COL (MISC) Digitized values of COS(angle)**2 . 2113400300014 ERR-ANALYS Digitizing error in scale X (MISC) - 0.0025 2113400300015 reflect non-linearity of scale. 2113400300016 Quantization error(one pixel)for scale X- 0.002 . 2113400300017 (ERR-DIG) Digitizing error in scale Y, 2113400300018 reflect non-linearity of scales. 2113400300019 Quantization error (one pixel)for scale Y - 2113400300020 0.004 arb.units. 2113400300021 (DATA-ERR) Type of uncertainty is not explained in the 2113400300022 article. 2113400300023 STATUS (CURVE).Graphical data for neutron energies of 1.71, 2113400300024 1.89, 2.66, 3.26, 4.59 and 5.19 MeV in fig.6 of the 2113400300025 J,NP,63,641,1965 as dependence from COS(angle)**2. 2113400300026 HISTORY (20160705A) M.M. Digitized data were added. 2113400300027 ENDBIB 25 0 2113400300028 COMMON 1 3 2113400300029 ERR-DIG 2113400300030 ARB-UNITS 2113400300031 0.0041 2113400300032 ENDCOMMON 3 0 2113400300033 DATA 5 54 2113400300034 EN ANG DATA DATA-ERR MISC 2113400300035 MEV ADEG ARB-UNITS ARB-UNITS NO-DIM 2113400300036 1.71 5. 1.4699 0.0862 0.98060 2113400300037 1.71 15. 1.3665 0.0905 0.93231 2113400300038 1.71 25. 1.3280 0.0948 0.80855 2113400300039 1.71 35. 1.3714 0.0905 0.65757 2113400300040 1.71 45. 1.3243 0.0776 0.49605 2113400300041 1.71 55. 1.1652 0.0948 0.33448 2113400300042 1.71 65. 1.0060 0.0905 0.18339 2113400300043 1.71 75. 1.1097 0.0862 0.061798 2113400300044 1.71 85. 1.0107 0.0905 0.011413 2113400300045 1.89 5. 1.4147 0.1029 0.98427 2113400300046 1.89 15. 1.3850 0.0772 0.93377 2113400300047 1.89 25. 1.3214 0.0900 0.81173 2113400300048 1.89 35. 1.1593 0.0858 0.66432 2113400300049 1.89 45. 1.2245 0.0643 0.49831 2113400300050 1.89 55. 1.0368 0.0858 0.33405 2113400300051 1.89 65. 1.0120 0.0815 0.18052 2113400300052 1.89 75. 1.0127 0.0858 0.056470 2113400300053 1.89 85. 1.0043 0.0943 0.010201 2113400300054 2.66 5. 1.2305 0.0731 0.98317 2113400300055 2.66 15. 1.1661 0.0817 0.93270 2113400300056 2.66 25. 1.0719 0.0946 0.81500 2113400300057 2.66 35. 1.0508 0.0774 0.66582 2113400300058 2.66 45. 1.0040 0.0946 0.49983 2113400300059 2.66 55. 1.0087 0.0903 0.33597 2113400300060 2.66 65. 1.0049 0.0860 0.18050 2113400300061 2.66 75. 0.9579 0.0989 0.054422 2113400300062 2.66 85. 1.0053 0.0946 0.0082358 2113400300063 3.26 5. 1.3149 0.1031 0.98112 2113400300064 3.26 15. 1.2851 0.0816 0.93484 2113400300065 3.26 25. 1.2212 0.0988 0.80862 2113400300066 3.26 35. 1.2604 0.0859 0.66358 2113400300067 3.26 45. 1.1623 0.1031 0.49737 2113400300068 3.26 55. 1.2145 0.0859 0.33552 2113400300069 3.26 65. 1.0735 0.1031 0.17558 2113400300070 3.26 75. 1.0052 0.0945 0.055667 2113400300071 3.26 85. 1.0054 0.0945 0.0094093 2113400300072 4.59 5. 1.2260 0.0954 0.98336 2113400300073 4.59 15. 1.2133 0.0781 0.93716 2113400300074 4.59 25. 1.1057 0.0954 0.81106 2113400300075 4.59 35. 1.1630 0.0954 0.66211 2113400300076 4.59 45. 1.0643 0.0954 0.49823 2113400300077 4.59 55. 1.1391 0.0911 0.33672 2113400300078 4.59 65. 1.1401 0.0954 0.17719 2113400300079 4.59 75. 0.9717 0.0998 0.061488 2113400300080 4.59 85. 1.0111 0.0954 0.011169 2113400300081 5.19 5. 1.1890 0.081966 0.97856 2113400300082 5.19 15. 1.1331 0.086280 0.92828 2113400300083 5.19 25. 1.0989 0.10354 0.80891 2113400300084 5.19 35. 1.1165 0.086280 0.66235 2113400300085 5.19 45. 1.1774 0.060396 0.49489 2113400300086 5.19 55. 1.1217 0.094913 0.33573 2113400300087 5.19 65. 1.1049 0.086280 0.17659 2113400300088 5.19 75. 1.0578 0.090594 0.059304 2113400300089 5.19 85. 1.0018 0.094908 0.0090170 2113400300090 ENDDATA 56 0 2113400300091 ENDSUBENT 90 0 2113400399999 SUBENT 21134004 20160705 22512113400400001 BIB 5 16 2113400400002 REACTION (92-U-238(N,F),,SIG,,REL) 2113400400003 Values are given in arb.units on figure. 2113400400004 FLAG (1.) Measurement by nuclear plates 2113400400005 ERR-ANALYS (ERR-DIG) Digitizing error of DATA and ERR-S ; 2113400400006 reflect non-linearity of scales 2113400400007 Quantization error(one pixel)for scale X- 0.0040 MeV. 2113400400008 (EN-ERR-DIG) Digitizing error of scale X ( energy) 2113400400009 reflect non-linearity of scales 2113400400010 Quantization error(one pixel)for scale Y - 2113400400011 0.0010 arb.units. 2113400400012 (ERR-1) .Supplementary uncertainty of 5 percent due 2113400400013 to uncertainty in the differential d(d,n) cross-sect. 2113400400014 (ERR-2,,1.) Contribution of slow neutrons less 1.% 2113400400015 (ERR-S) Statistical uncertainty 2113400400016 STATUS (CURVE) Fig.5 of J,NP,63,641,1965 2113400400017 HISTORY (20160705C) Subent was added. 2113400400018 ENDBIB 16 0 2113400400019 COMMON 3 3 2113400400020 EN-ERR-DIG ERR-DIG ERR-1 2113400400021 MEV ARB-UNITS PER-CENT 2113400400022 0.0015 0.00047 5. 2113400400023 ENDCOMMON 3 0 2113400400024 DATA 4 58 2113400400025 EN DATA ERR-S FLAG 2113400400026 MEV ARB-UNITS ARB-UNITS NO-DIM 2113400400027 1.6984 0.35115 0.01207 1. 2113400400028 1.7381 0.41853 0.01307 2113400400029 1.7818 0.44870 0.01609 2113400400030 1.7860 0.40547 0.01508 1. 2113400400031 1.8337 0.45877 0.02011 2113400400032 1.8375 0.51709 0.02212 2113400400033 1.8376 0.46882 0.00905 1. 2113400400034 1.9053 0.48493 0.02011 2113400400035 1.9211 0.56537 0.04324 2113400400036 1.9528 0.61465 0.03017 2113400400037 1.9532 0.49398 0.01810 2113400400038 2.0169 0.52517 0.01508 2113400400039 2.0246 0.61466 0.02112 2113400400040 2.0368 0.54830 0.01609 1. 2113400400041 2.1044 0.58451 0.04525 2113400400042 2.1046 0.53021 0.01910 2113400400043 2.1564 0.52519 0.02816 2113400400044 2.1962 0.57447 0.01911 1. 2113400400045 2.2002 0.54631 0.01910 2113400400046 2.2003 0.53224 0.02313 2113400400047 2.2959 0.56141 0.03318 2113400400048 2.3000 0.53024 0.02715 2113400400049 2.3517 0.57550 0.03017 2113400400050 2.4037 0.50512 0.01408 1. 2113400400051 2.4075 0.56948 0.02112 2113400400052 2.4076 0.54736 0.02815 2113400400053 2.4673 0.58055 0.03218 2113400400054 2.5311 0.57352 0.02514 2113400400055 2.5312 0.53129 0.05128 2113400400056 2.6507 0.57455 0.02413 2113400400057 2.6507 0.58460 0.02413 2113400400058 2.7305 0.55345 0.03419 2113400400059 2.7983 0.55245 0.03620 2113400400060 2.8622 0.50118 0.02816 2113400400061 2.9420 0.49215 0.01609 2113400400062 2.9461 0.44589 0.02313 2113400400063 3.0577 0.45899 0.02614 2113400400064 3.1455 0.43889 0.02614 2113400400065 3.1455 0.44794 0.01710 2113400400066 3.2532 0.42383 0.02514 2113400400067 3.2572 0.43790 0.01810 2113400400068 3.2970 0.44193 0.01709 1. 2113400400069 3.3967 0.43290 0.02413 2113400400070 3.4007 0.42285 0.02212 2113400400071 3.5801 0.45506 0.01810 2113400400072 3.5841 0.43897 0.01709 2113400400073 3.7554 0.49933 0.02011 2113400400074 3.9388 0.49836 0.01911 2113400400075 3.9388 0.48730 0.02816 2113400400076 3.9427 0.54562 0.01307 1. 2113400400077 4.1062 0.50643 0.02011 2113400400078 4.1103 0.49738 0.04525 2113400400079 4.2657 0.52154 0.02212 2113400400080 4.2778 0.48434 0.03218 2113400400081 4.3814 0.49944 0.01709 2113400400082 4.5726 0.54673 0.01408 1. 2113400400083 4.5807 0.50551 0.02313 2113400400084 4.5808 0.47735 0.03218 2113400400085 ENDDATA 60 0 2113400400086 ENDSUBENT 85 0 2113400499999 ENDENTRY 4 0 2113499999999