ENTRY 41358 20230328 421241358 0 1 SUBENT 41358001 20230328 421241358 1 1 BIB 10 37 41358 1 2 TITLE Resonance Parameters and Fission Cross Section of 41358 1 3 237-Np in Neutron Energy Interval Below 1000 eV 41358 1 4 AUTHOR (S.B.Borzakov, E.Dermendzhiev, A.A.Goverdovskiy, 41358 1 5 A.I.Kalinin, V.Yu.Konovalov, I.Ruskov, S.M.Solov'ev, 41358 1 6 Yu.S.Zamyatnin) 41358 1 7 REFERENCE (J,PAN,62,872,1999) Engl. translation of J,YF,62,933 41358 1 8 (J,YF,62,933,1999) Issue 5. 41358 1 9 (S,ISINN-3,307,1995) Multiplicity data. 41358 1 10 (J,PAN,59,1125,1996) Prelim.data for Subent 004. 41358 1 11 Engl.translation of 41358 1 12 (J,YF,59,1175,1996) Issue 7. 41358 1 13 INSTITUTE (4ZZZDUB) Borzakov, Zamyatnin, Kalinin, Konovalov, 41358 1 14 Ruskov, and Experimental Site 41358 1 15 (4RUSFEI) Goverdovskiy 41358 1 16 (3BULBLA) Dermendzhiev 41358 1 17 (4RUSRI ) Solov'eV 41358 1 18 FACILITY (REAC,4ZZZDUB) Fast pulse reactor IBR-30 in booster 41358 1 19 mode. Neutron pulse repetition rate 100 Hz 41358 1 20 DETECTOR (FISCH) Multisectional fission chamber 41358 1 21 with Np-237 of high purity, weight 1.508+-0.045 g and 41358 1 22 one section containing U-235. 41358 1 23 Filled with 90%Ar and 10% CH4 at pressure 600 Tor. 41358 1 24 METHOD (TOF) 41358 1 25 SAMPLE Neptunium oxide Np-O2 on two sides of aluminum foils 41358 1 26 50 micrometer thick, average quantity on two-sided 41358 1 27 sample is 100+-3 microgram 41358 1 28 ANALYSIS (SHAPE) Shape method realized by code MINUIT 41358 1 29 HISTORY (20000324C) + + Compiled at the Center - CJD + + 41358 1 30 (20000324U) Last checking has been done. 41358 1 31 (20061024U) 2nd Ref. was added. Several misprints were 41358 1 32 corrected. M.M. 41358 1 33 (20101130A) Reference S,ISINN-3 was added. 41358 1 34 Subent 004 was added (MSC in REACTION according to 41358 1 35 comment of N.Otsuka - NDS IAEA). 41358 1 36 (20200831A) Two refs. PAN,59,1125,1996, YF,59,1175,199641358 1 37 were added. 41358 1 38 (20230328U) Subent 002 was corrected. 41358 1 39 ENDBIB 37 0 41358 1 40 NOCOMMON 0 0 41358 1 41 ENDSUBENT 40 0 41358 199999 SUBENT 41358002 20230328 421241358 2 1 BIB 3 8 41358 2 2 REACTION (93-NP-237(N,F),,SIG) 41358 2 3 STATUS (SPSDD) Authors refuse to give data 41358 2 4 Data are on Fig.5 of J,YF,62,(5),933,1999. 41358 2 5 Neutron energy 3.- 1000 eV. 41358 2 6 Figures are not of good quality for digitizing - 41358 2 7 many overlapping points. 41358 2 8 HISTORY (20230328U) UNOBT -> SPSDD ( without Subent number). 41358 2 9 EN-MIN/MAX = 0./1000. eV was deleted. 41358 2 10 ENDBIB 8 0 41358 2 11 NOCOMMON 0 0 41358 2 12 NODATA 0 0 41358 2 13 ENDSUBENT 12 0 41358 299999 SUBENT 41358003 20101130 41514135800300001 BIB 2 4 4135800300002 REACTION 1(93-NP-237(N,0),,EN) 4135800300003 2(93-NP-237(N,F),,WID) 4135800300004 3(93-NP-237(N,F),,WID,,S0) 4135800300005 STATUS (TABLE) Tables 1, 2 of J,YF,62,(5),933,1999. 4135800300006 ENDBIB 4 0 4135800300007 NOCOMMON 0 0 4135800300008 DATA 5 28 4135800300009 DATA 1DATA 2DATA-ERR 2DATA 3DATA-ERR 3 4135800300010 EV MICRO-EV MICRO-EV MB*EV MB*EV 4135800300011 3.87 5.8 0.8 11.7 1.6 4135800300012 5.78 10.5 1.5 33. 5. 4135800300013 7.42 10. 2.5 4135800300014 8.31 3.6 1.7 1.4 0.7 4135800300015 8.97 22.7 3. 10.3 1.4 4135800300016 10.68 4.1 0.7 6.5 11. 4135800300017 10.84 1.3 0.6 3.1 1.4 4135800300018 21.1 3.5 0.7 3. 0.6 4135800300019 22.86 6.6 1.1 4.1 0.7 4135800300020 24.98 9.1 0.8 45. 4. 4135800300021 26.19 119. 36. 32. 10. 4135800300022 26.56 59. 6. 176. 17. 4135800300023 30.41 249. 22. 816. 72. 4135800300024 31.3 15. 6. 4.3 1.7 4135800300025 31.65 52. 6. 2.4 0.2 4135800300026 37.15 364. 46. 436. 56. 4135800300027 38.18 38. 8. 43. 9. 4135800300028 38.92 834. 92. 756. 83. 4135800300029 39.24 791. 106. 389. 52. 4135800300030 39.93 7015. 770. 3131. 344. 4135800300031 41.35 634. 58. 1049. 97. 4135800300032 42.81 1057. 117. 75. 8. 4135800300033 44.23 1095. 265. 13. 3. 4135800300034 46.04 790. 80. 351. 35. 4135800300035 46.36 19. 3. 34. 5. 4135800300036 48.45 140. 45. 9. 3. 4135800300037 49.82 8. 5. 23. 13. 4135800300038 50.41 66. 9. 321. 34. 4135800300039 ENDDATA 30 0 4135800300040 ENDSUBENT 39 0 4135800399999 SUBENT 41358004 20200831 418941358 4 1 BIB 7 18 41358 4 2 REACTION 1(93-NP-237(N,G+F),,MLT,,RES/AV/MSC) 41358 4 3 Weighted average pre-fission gamma multiplicity. 41358 4 4 2(93-NP-237(N,G+F),,MLT,,RES/AV/MSC) 41358 4 5 Average pre-fission gamma multiplicity. 41358 4 6 MONITOR U-235 was used for calibration purpose. 41358 4 7 METHOD (COINC) Coincidences between gammas and fission. 41358 4 8 Resonance filters of Mn,Co,Rh,Cd were used to determine41358 4 9 background - for U-235. 41358 4 10 ANALYSIS Fission gamma-ray yields were defined as ratio of the41358 4 11 total number of coincidences and fissions taken from 41358 4 12 coincidence and fission TOF spectra at corresponding 41358 4 13 resonances. 41358 4 14 COMMENT Of compiler. SEQ is not used in SF5 according to the 41358 4 15 comment of N.Otsuka, NDS, IAEA. 41358 4 16 STATUS (TABLE) Text, page 313 of S,ISINN-3,307,1995 . 41358 4 17 Text page 1128 of J,PAN,59,1125,1996 : 41358 4 18 1.08+-0.02 and 1.12+-0.06 for DATA 1,2, respectively. 41358 4 19 HISTORY (20200831U) STATUS information was updated. 41358 4 20 ENDBIB 18 0 41358 4 21 COMMON 1 3 41358 4 22 EN-RES-MAX 41358 4 23 EV 41358 4 24 10. 41358 4 25 ENDCOMMON 3 0 41358 4 26 DATA 4 1 41358 4 27 DATA 1DATA-ERR 1DATA 2DATA-ERR 2 41358 4 28 PRT/FIS PRT/FIS PRT/FIS PRT/FIS 41358 4 29 1.08 0.04 1.12 0.06 41358 4 30 ENDDATA 3 0 41358 4 31 ENDSUBENT 30 0 41358 499999 ENDENTRY 4 0 4135899999999