ENTRY 32201 20100318 31453220100000001 SUBENT 32201001 20100318 31453220100100001 BIB 14 41 3220100100002 INSTITUTE (4UKRIJD) 3220100100003 REFERENCE (J,UFZ,39,785,1994) 3220100100004 AUTHOR (I.A.Korzh,V.A.Mishchenko,N.M.Pravdivy,N.T.Sklyar, 3220100100005 D.A.Bazavov,V.P.Lunyov) 3220100100006 TITLE Inelastic scattering of neutrons by nuclei Mo-94,Mo-96,3220100100007 Mo-98 near the first 2+level excitation threshold 3220100100008 FACILITY (VDG) 3220100100009 METHOD (TOF) Time-of-flight 3220100100010 (GSPEC) Gamma-ray spectrometry 3220100100011 DETECTOR (GELI) 3220100100012 (SCIN) Stilben,with pulse shape discrimination 3220100100013 MONITOR (1-H-1(N,EL)1-H-1,,SIG) 3220100100014 INC-SOURCE (P-T) Neutron spread 40-60 KeV is mainly due to target 3220100100015 thickness and finite size of sample 3220100100016 ERR-ANALYS (ERR-T) total uncertainty includes: 3220100100017 (ERR-S) statistical uncertainty - 2% 3220100100018 (ERR-1) attenuation of neutron beam - 3% 3220100100019 (ERR-2) multiple scattering - 1.4% 3220100100020 (ERR-3) attenuation of gamma-rays - 1.6% 3220100100021 (ERR-4) monitor - 4.3% 3220100100022 ANALYSIS Excitation cross sections of the first 2+ levels of 3220100100023 Fe-56,Mo-94,Mo-96,Mo-98 isotopes were obtained by TOF 3220100100024 method at neutron energy 1.4 MeV.The energy dependen- 3220100100025 cies of gamma ray yields from deexcitation of these le-3220100100026 vels were measured with GELI detector. 3220100100027 These relative dependencies were normalized to the 3220100100028 cross section value at 1.4 MeV. 3220100100029 Data of Liskien H.,Paulsen A.//Nucl.Data Tables,1973, 3220100100030 11,N7,p.569-619// on neutron yields at zero degree for 3220100100031 T(p,n) reaction were used to compare neutron fluxes. 3220100100032 CORRECTION Corrected for multiple scattering,attenuation of neut-3220100100033 rons and gammas in sample and angular resolution by Mon3220100100034 te Carlo method. 3220100100035 STATUS (TABLE) Data from the author 3220100100036 (APRVD) Approved by author 3220100100037 HISTORY (19981211C) Directly from author. Compiled at UkrNDC MV3220100100038 (19990901A) Finalized at NDS (VZ) 3220100100039 (20100305A) SD: AUTHOR and TITLE letters were changed 3220100100040 on lower case. 3220100100041 (20100318A) OG:Total uncertainty components are added 3220100100042 concerning information from I.A.Korzh. 3220100100043 ENDBIB 41 0 3220100100044 COMMON 5 3 3220100100045 ERR-S ERR-1 ERR-2 ERR-3 ERR-4 3220100100046 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3220100100047 2. 3. 1.4 1.6 4.3 3220100100048 ENDCOMMON 3 0 3220100100049 ENDSUBENT 48 0 3220100199999 SUBENT 32201002 20100318 31453220100200001 BIB 2 4 3220100200002 REACTION (26-FE-56(N,INL)26-FE-56,,SIG) 3220100200003 SAMPLE Natural iron,metal 3220100200004 shape:cylinder,3 cm outside diameter, 1 cm inside 3220100200005 diameter,3.0 cm height,weight : 147.55g 3220100200006 ENDBIB 4 0 3220100200007 NOCOMMON 0 0 3220100200008 DATA 3 6 3220100200009 EN DATA ERR-T 3220100200010 KEV MB MB 3220100200011 856. 75. 15. 3220100200012 907. 213. 37. 3220100200013 1013. 470. 65. 3220100200014 1110. 547. 67. 3220100200015 1200. 588. 72. 3220100200016 1400. 720. 50. 3220100200017 ENDDATA 8 0 3220100200018 ENDSUBENT 17 0 3220100299999 SUBENT 32201003 20100318 31453220100300001 BIB 3 5 3220100300002 REACTION (42-MO-94(N,INL)42-MO-94,,SIG) 3220100300003 SAMPLE Metal powder enriched in MO-94 (87.7 %), 3220100300004 shape:full cylinder, 3.0 cm diameter, 4.0 cm height, 3220100300005 weight : 43.50g 3220100300006 COMMENT 847 keV gammas were registered 3220100300007 ENDBIB 5 0 3220100300008 NOCOMMON 0 0 3220100300009 DATA 3 5 3220100300010 EN DATA ERR-T 3220100300011 KEV MB MB 3220100300012 907. 114. 30. 3220100300013 1013. 536. 95. 3220100300014 1110. 792. 125. 3220100300015 1200. 885. 124. 3220100300016 1400. 1057. 103. 3220100300017 ENDDATA 7 0 3220100300018 ENDSUBENT 17 0 3220100399999 SUBENT 32201004 20100318 31453220100400001 BIB 3 6 3220100400002 REACTION (42-MO-96(N,INL)42-MO-96,PAR,SIG) 3220100400003 SAMPLE Metal powder enriched in MO-96 (92.3 %), 3220100400004 shape:full cylinder, 3.0 cm diameter, 3.9 cm height, 3220100400005 weight : 51.13g 3220100400006 COMMENT Registered 778 keV gammas were corrected for MO-96 3220100400007 second level(1148 keV) contribution. 3220100400008 ENDBIB 6 0 3220100400009 COMMON 1 3 3220100400010 Q-VAL 3220100400011 KEV 3220100400012 -778. 3220100400013 ENDCOMMON 3 0 3220100400014 DATA 3 6 3220100400015 EN DATA ERR-T 3220100400016 KEV MB MB 3220100400017 856. 246. 39. 3220100400018 907. 389. 51. 3220100400019 1013. 548. 71. 3220100400020 1110. 715. 87. 3220100400021 1200. 766. 93. 3220100400022 1400. 876. 45. 3220100400023 ENDDATA 8 0 3220100400024 ENDSUBENT 23 0 3220100499999 SUBENT 32201005 20100318 31453220100500001 BIB 3 8 3220100500002 REACTION (42-MO-98(N,INL)42-MO-98,PAR,SIG) 3220100500003 SAMPLE Metal powder enriched in MO-98 (95.9 %), 3220100500004 shape:full cylinder, 3.0 cm diameter, 3.18 cm height, 3220100500005 weight : 50.00g 3220100500006 COMMENT 787.4 keV gammas were registered.Two levels 787.4 keV 3220100500007 and 734.9 keV were resolved by TOF not completely.Un- 3220100500008 certainty of the area under 787.4 keV peak is included 3220100500009 in error. 3220100500010 ENDBIB 8 0 3220100500011 COMMON 1 3 3220100500012 Q-VAL 3220100500013 KEV 3220100500014 -787. 3220100500015 ENDCOMMON 3 0 3220100500016 DATA 3 6 3220100500017 EN DATA ERR-T 3220100500018 KEV MB MB 3220100500019 856. 314. 45. 3220100500020 907. 442. 54. 3220100500021 1013. 672. 80. 3220100500022 1110. 831. 82. 3220100500023 1200. 056. 96. 3220100500024 1400. 1010. 62. 3220100500025 ENDDATA 8 0 3220100500026 ENDSUBENT 25 0 3220100599999 ENDENTRY 5 0 3220199999999