ENTRY 41345 20200208 41864134500000001 SUBENT 41345001 20200208 41864134500100001 BIB 13 63 4134500100002 TITLE Determination of neutron resonance parameters of 4134500100003 149Sm in Energy Range 15-300 eV 4134500100004 AUTHOR (G.P.Georgiev, Yu.S.Zamyatnin, L.B.Pikel'ner, 4134500100005 Kh.Faikov-Stanczyk, Yu.V.Grigoriev, G.V.Muradyan, 4134500100006 N.Yaneva) 4134500100007 INSTITUTE (4ZZZDUB) Georgiev, Zamyatnin, Pikel'ner, 4134500100008 (3POLLOU) Faikow-Stanczyk 4134500100009 (4RUSFEI) Grigor'ev 4134500100010 (4RUSKUR) Muradyan 4134500100011 (3BULBLA) Yaneva 4134500100012 REFERENCE (J,YK,,(1),3,1999) Main reference, data given 4134500100013 No Engl.translation in INDC(CCP)-424 4134500100014 (R,JINR-P3-92-346,1992) Preliminary publication. 4134500100015 REL-REF (M,,G.V.Muradyan,J,AE,50,394,1981) Issue 6. 4134500100016 Exp. Details of method. 4134500100017 (M,,G.V.Muradyan,J,SJA,50,354,1981) 4134500100018 Engl. translation of J,AE,50,394,1981. 4134500100019 (I,,G.P.Georgiev+,R,JINR-P3-88-555,1988) Exp.details 4134500100020 (I,,N.Janeva+,J,NIM/A,313,266,1992) Detector details. 4134500100021 FACILITY (REAC,4ZZZDUB) IBR-30 fast pulse reactor of Frank 4134500100022 Neutron Physics Laboratory in booster mode,10 kW 4134500100023 power, multiplicity coeff.=200, pulse duration 4134500100024 4 microsec, repetition rate 100 Hz 4134500100025 METHOD .Method of gamma multiplicity spectrometry coupled 4134500100026 with 4134500100027 (TOF) time-of-flight method, flight base is 501.9 m 4134500100028 (COINC) Coincidence of gamma-multiplicity and 4134500100029 neutron's flight time 4134500100030 Neutron scattering was registered by 0.48 MeV 4134500100031 gamma-quanta of B-10(N,ALPHA+GAMMA) reaction. 4134500100032 DETECTOR (NAICR,D4PI) Multisectional 4PI scintillation 4134500100033 detector of the type "ROMASHKA" consisting of 4134500100034 16 crystalline sections of NaI(Tl) 122X122x152 mm 4134500100035 (PROPC) Two 3He counters CHM-17 for neutron flux 4134500100036 monitoring 4134500100037 (n,gamma)-converter inside detector to register 4134500100038 scattered neutrons by 0.48 MeV gamma-quanta of 4134500100039 B-10(n,alpha+gamma) reaction. 4134500100040 SAMPLE .Two oxide Sm2-O3 samples with 94.6% enrichment on 4134500100041 149Sm,thicknesses 2.47E-4 atoms/b and 9.26E-5 atoms/b 4134500100042 packed in aluminum containers of 70 mm diameter. 4134500100043 (62-SM-149,ENR=0.946) 4134500100044 Thickness on Sm-149 is 2.47E+20 atoms/cm2. 4134500100045 INC-SOURCE (REAC) 4134500100046 INC-SPECT .For detector stability monitoring and recycled 4134500100047 neutrons background attenuation- two neutron filters 4134500100048 were used - cadmium 1 mm thickness and boron 10 mm 4134500100049 thickness 4134500100050 ERR-ANALYS (DATA-ERR) Errors are not specified, most probably - 4134500100051 total error 4134500100052 HISTORY (20000125C) + + Compiled at the Centre - CJD + + 4134500100053 (20000125U) Last checking has been done. 4134500100054 (20110630A) M.M. Upper -> lower case correction. 4134500100055 BIB information was added. Engl.transl.J,SJA was added.4134500100056 References J,AE,50,(6),394,1981; R,JINR-P3-88-555,19884134500100057 were moved in REL-REF. 4134500100058 (20191113A) Ref. YK was corrected. 4134500100059 Title corrected as given in English abstract. 4134500100060 ERR-T -> DATA-ERR ( partial uncertainties are not 4134500100061 given in the article) 4134500100062 (20200208U) Ref. JINR-P3-92-348,1992 was added from 4134500100063 Entry 41194. 4134500100064 Minor correction in STATUS in data Subents. 4134500100065 ENDBIB 63 0 4134500100066 COMMON 1 3 4134500100067 EN-RSL 4134500100068 NSEC/M 4134500100069 8. 4134500100070 ENDCOMMON 3 0 4134500100071 ENDSUBENT 70 0 4134500199999 SUBENT 41345002 20200208 41864134500200001 BIB 6 16 4134500200002 REACTION 1(62-SM-149(N,0),,EN) 4134500200003 2(62-SM-149(N,0),,J) 4134500200004 3(62-SM-149(N,G),,WID) 4134500200005 4(62-SM-149(N,EL),,WID) 4134500200006 REL-REF (R,,S.F.Mughabghab,B,NEUT.CS 1B,,,1984) 4134500200007 Standard resonance energies of U-238. 4134500200008 ANALYSIS (AREA) Area of resonance peak. 4134500200009 Resonance energies were defined by U-238 standard 4134500200010 resonance energies. 4134500200011 CORRECTION For contribution of capture in scattering (4%) and 4134500200012 scattering in capture (5 - 15 %) 4134500200013 For admixtures of others Sm isotopes in sample. 4134500200014 FLAG (1.) Most probable value of the spin 4134500200015 STATUS (TABLE) Table of Yad.Konst.,is.1,p.3,1999 4134500200016 In 41194.002 - previous publication, lower number of 4134500200017 neutron widths. 4134500200018 ENDBIB 16 0 4134500200019 NOCOMMON 0 0 4134500200020 DATA 7 91 4134500200021 DATA 1DATA 2DATA 3DATA-ERR 3DATA 4DATA-ERR 44134500200022 FLAG 4134500200023 EV NO-DIM MILLI-EV MILLI-EV MILLI-EV MILLI-EV 4134500200024 NO-DIM 4134500200025 15.85 3. 4134500200026 4134500200027 17.14 4. 4134500200028 4134500200029 23.2 4. 4134500200030 4134500200031 24.7 4134500200032 4134500200033 25.26 3. 63. 9. 4134500200034 4134500200035 26.1 4. 4134500200036 4134500200037 28. 3. 4134500200038 4134500200039 29.9 3. 4134500200040 4134500200041 30.8 4. 55. 9. 4134500200042 4134500200043 33.9 4. 47. 8. 5.4 0.44134500200044 4134500200045 40.2 3. 56. 9. 18. 2.4134500200046 4134500200047 41.3 3. 74. 16. 24.5 2.54134500200048 4134500200049 44.3 4. 80. 12. 4134500200050 4134500200051 45.1 4. 61. 12. 4134500200052 4134500200053 49.5 3. 54. 10. 4134500200054 4134500200055 50.5 3. 4134500200056 4134500200057 51.6 4. 73. 13. 43. 4.4134500200058 4134500200059 57.5 4. 67. 10. 29.5 3.54134500200060 4134500200061 59.7 4. 73. 12. 55. 5.4134500200062 4134500200063 60.84 3. 4134500200064 4134500200065 62.1 4. 71. 13. 38. 5.4134500200066 4134500200067 64.78 40. 5.4134500200068 4134500200069 68.3 4. 60. 11. 4134500200070 4134500200071 70.76 3. 77. 14. 4134500200072 4134500200073 72.1 3. 4134500200074 4134500200075 73.1 4. 81. 18. 4134500200076 4134500200077 74.7 4. 57. 11. 4134500200078 4134500200079 75.4 3. 85. 14. 4134500200080 4134500200081 76.8 4. 4134500200082 4134500200083 83.9 4. 67. 11. 4134500200084 4134500200085 87.7 3. 18.29 1.14134500200086 4134500200087 90.8 4. 75. 13. 4134500200088 4134500200089 92.3 3. 99. 19. 4134500200090 4134500200091 95.6 4. 97. 18. 4134500200092 1. 4134500200093 96.3 3. 75. 14. 4134500200094 4134500200095 98.21 4. 114. 22. 62.2 3.54134500200096 4134500200097 99.63 4. 84. 15. 45.4 1.94134500200098 4134500200099 101.7 3. 4134500200100 4134500200101 104.4 4134500200102 4134500200103 104.8 4. 61. 20. 4134500200104 4134500200105 107.1 3. 64. 16. 4134500200106 4134500200107 109.1 4. 59. 11. 4134500200108 4134500200109 111.3 3. 49. 11. 14.86 1.14134500200110 4134500200111 115.2 4. 74. 16. 4134500200112 4134500200113 117.05 3. 4134500200114 4134500200115 119.4 3. 91. 19. 4134500200116 4134500200117 121.8 4. 4134500200118 1. 4134500200119 125.3 4. 94. 18. 4134500200120 4134500200121 130.1 4. 4134500200122 1. 4134500200123 134.1 4. 88. 14. 225.8 5.34134500200124 1. 4134500200125 138.7 3. 4134500200126 4134500200127 141. 3. 4134500200128 4134500200129 144.2 4. 58. 15. 4134500200130 1. 4134500200131 145.8 4134500200132 4134500200133 147.1 4. 76. 13. 4134500200134 4134500200135 149.4 3. 4134500200136 4134500200137 154.8 4. 82. 17. 4134500200138 4134500200139 157.4 3. 61. 14. 4134500200140 4134500200141 158.5 3. 4134500200142 4134500200143 168.2 3. 61. 14. 4134500200144 4134500200145 173.4 3. 4134500200146 4134500200147 174.6 3. 4134500200148 4134500200149 177.9 4. 64. 12. 4134500200150 4134500200151 179.9 4. 112. 21. 39.1 1.84134500200152 1. 4134500200153 185.12 3. 99. 17. 4134500200154 4134500200155 188.1 4. 95. 21. 4134500200156 4134500200157 192.9 4. 4134500200158 4134500200159 194.8 4. 4134500200160 1. 4134500200161 197.5 3. 64. 17. 4134500200162 4134500200163 198.3 4134500200164 4134500200165 201.1 4134500200166 4134500200167 203.7 3. 79. 15. 4134500200168 4134500200169 210.9 4. 61. 19. 4134500200170 4134500200171 214.7 3. 61. 15. 4134500200172 4134500200173 218.1 4. 4134500200174 4134500200175 225.5 4. 4134500200176 4134500200177 228.2 4. 4134500200178 4134500200179 230.1 4134500200180 4134500200181 234. 4. 4134500200182 1. 4134500200183 237.8 3. 4134500200184 4134500200185 240. 3. 61. 17. 4134500200186 1. 4134500200187 244.3 4. 105. 20. 4134500200188 4134500200189 247.8 3. 80. 17. 4134500200190 1. 4134500200191 253.5 4134500200192 4134500200193 254.8 3. 85. 17. 4134500200194 4134500200195 258.7 4. 93. 19. 4134500200196 4134500200197 260.6 4. 4134500200198 4134500200199 263.2 4. 82. 16. 4134500200200 4134500200201 265.8 3. 4134500200202 1. 4134500200203 268.9 4. 4134500200204 4134500200205 272.8 4. 4134500200206 4134500200207 ENDDATA 186 0 4134500200208 ENDSUBENT 207 0 4134500299999 SUBENT 41345003 20200208 41864134500300001 BIB 3 5 4134500300002 REACTION (62-SM-149(N,G),,WID,,AV) 4134500300003 ANALYSIS Averaged value over 51 resonances 4134500300004 STATUS (TABLE) Text, page 5, of Yad.Konst.,is.1,p.3,1999 4134500300005 (DEP,41345002) 51 resonances. 4134500300006 The same data in JINR-P3-92-346,1992. 4134500300007 ENDBIB 5 0 4134500300008 NOCOMMON 0 0 4134500300009 DATA 4 1 4134500300010 EN-RES-MIN EN-RES-MAX DATA DATA-ERR 4134500300011 EV EV EV EV 4134500300012 25.26 263.2 7.5E-02 3.E-03 4134500300013 ENDDATA 3 0 4134500300014 ENDSUBENT 13 0 4134500399999 ENDENTRY 3 0 4134599999999