ENTRY 30330 20090115 31343033000000001 SUBENT 30330001 20090115 31343033000100001 BIB 16 51 3033000100002 INSTITUTE (3AULAUA) 3033000100003 (1USAORL) Last author's address. 3033000100004 REFERENCE (J,NP/A,252,62,197511) 3033000100005 (C,75KIEV,3,233,197505) Strength function, av.G-width.3033000100006 (C,73PACIFI,1,291,197303) Superseded. 3033000100007 (J,NSE,82,(2),230,1982)No correction factor for neutron3033000100008 capture cross-section is required. 3033000100009 AUTHOR (J.W.Boldeman,B.J.Allen,A.R.de L.Musgrove,R.L.Macklin) 3033000100010 TITLE The neutron capture cross-section of natural silicon. 3033000100011 FACILITY (LINAC,1USAORL) Oak Ridge electron linear accelerator. 3033000100012 INC-SOURCE (PHOTO) Photo-neutrons 3033000100013 SAMPLE Natural silicon target, thickness 0.027 and 0.112 atoms3033000100014 per barns. 3033000100015 METHOD (TOF) Time of flight, path = 40 m. 3033000100016 DETECTOR (SCIN) A pair of non-hydrogenous liquid scintillators. 3033000100017 Low neutron sensitivity. The capture detection 3033000100018 efficiency depends only on the total energy of the 3033000100019 decay and is insensitive to the specific details of the3033000100020 gamma-ray cascade. 3033000100021 ANALYSIS (AREA) Monte Carlo area analysis using a modified 3033000100022 version of the RPI/ORNL code of Sullivan et al.,Report 3033000100023 RPI-328-155(1969) 3033000100024 MONITOR (3-LI-6(N,T)2-HE-4,,SIG) Uttely.,3rd Conf.Neutr. Cross-3033000100025 sections + Tech.,Knoxville 1971,p.551 below 100 keV. 3033000100026 Fort and Marquette,Neutron Stand.Ref.Data,IAEA(1974)1133033000100027 Coates et al.,Ibid.110, and Poenitz,Z.Phys,268(1974)3593033000100028 above 100 keV energy. 3033000100029 79-Au-197(n,g)79-Au-198 peak C/S at 4.9eV resonance for3033000100030 normalization of the efficiency of the capture detector3033000100031 PART-DET (G) Gammas. 3033000100032 ERR-ANALYS (DATA-ERR) The accuracies stated in te tables have 3033000100033 following components: 3033000100034 * The statistical accuracy is neglected for all 3033000100035 resonances in tables 5 to 7, sub entry 002, as it is 3033000100036 always less than 5%. 3033000100037 * Normalization error including the error in the 3033000100038 Li6(n,a) cross-section is estimated to be about 10% 3033000100039 below 400keV, about 10 to 20% between 400 and 1200 keV 3033000100040 and increasing to approx. 50% at 1500 keV. 3033000100041 COMMENT Capture yields are presented,not capture cross-section.3033000100042 (Compiler) 3033000100043 HISTORY (19760315C) KO. 3033000100044 (19760513U) KO. -Add. (Aprvd) and note in subentry .0023033000100045 (19760921A) KO. -Corrected after memo 4C-1/87.- 3033000100046 (19790207U) KO. -Add 1 ref. - 3033000100047 (19800117U) KO. -Cosmetic correction in bib. - 3033000100048 (19821028U) DG.-Insertion of corrigendum in reference, 3033000100049 conversion from ISO-QUANT to REACTION formalism.- 3033000100050 (20090125A) BIB section updated 3033000100051 CORRECTION Analysis includes the self-shielding and multiple- 3033000100052 scattering corrections. 3033000100053 ENDBIB 51 0 3033000100054 NOCOMMON 0 0 3033000100055 ENDSUBENT 54 0 3033000199999 SUBENT 30330002 20090115 31343033000200001 BIB 5 45 3033000200002 REACTION 1(14-SI-28(N,0),,L) 3033000200003 2(14-SI-28(N,EL),,WID) 3033000200004 3(14-SI-28(N,G),,WID) 3033000200005 4(14-SI-28(N,G),,WID/STR) 3033000200006 5(14-SI-28(N,G),,ARE) 3033000200007 6(14-SI-28(N,EL),,WID/RED) 3033000200008 COMMENT Resonance energy, ''796 keV'', was determined. It was 3033000200009 either small resonance or asymmetry on 806 keV 3033000200010 resonance. 3033000200011 Following neutron-widths are cited from J.Kenny et al. 3033000200012 (priv.comm.to author) and BNL-325 3rd ed.for analysis.3033000200013 Res.en.(keV) n-width(keV) * Res.en.(keV) n-width(keV)3033000200014 67.71 0.01 * 950. 0.5 3033000200015 86.9 0.05 * 955. 90. (BNL-325)3033000200016 354.1 0.2 * 973. 0.5 3033000200017 399.0 0.2 * 1017. 1. (BNL-325)3033000200018 527. 0.3 * 1040. 1.4(BNL-325)3033000200019 531. 0.53(BNL-325)* 1145. 0.5 3033000200020 585.8 0.8 (BNL-325)* 1159. 3.3(BNL-325)3033000200021 601. 0.2 (Assumed)* 1197. 12. (BNL-325)3033000200022 707. 0.3 * 1227. 3. 3033000200023 770. 0.3 * 1261. 6. (BNL-325)3033000200024 782. 0.3 * 1378. 0.5 3033000200025 802. 0.4 * 1400. 8. (BNL-325)3033000200026 806. 27. (BNL-325)* 1468. 5.5(BNL-325)3033000200027 843. 2.5 (BNL-325)* 1510. 0.5 3033000200028 870. 0.2 (Assumed)* 1520. 3.5(BNL-325)3033000200029 907. 3.0 (BNL-325)* 3033000200030 Radiation-width = 1.0 eV are assumed for analysis at 3033000200031 resonance energy of 31.74 and 70.8 eV. 3033000200032 Note by compiler: 3033000200033 There exist some inconsistencies among the tables 3033000200034 in Nucl. Phys. In case of doubt, the values from 3033000200035 tables 5,6 and 7 were compiled preferably rather 3033000200036 than those from Table 2. 3033000200037 (APRVD) Approved by the author, 28/04/1976 3033000200038 The author has confirmed that the gamma-width at 67.713033000200039 keV res is to be 1.29 eV, but the neutron-width at 3033000200040 183 keV res is correct as in table 2 (50+-10 keV) not 3033000200041 56keV (in table 5). 28/04/1976. 3033000200042 FLAG (1.) Average value of statistical WT g(j) assumed. 3033000200043 (2.) Uncertain momentum assignment, 0 or 2. 3033000200044 STATUS (TABLE) Data from tables 2,5,6 and 7 of 3033000200045 Nucl.Phys.252A(1975)62. 3033000200046 HISTORY (19821028U) DG.-Convert.from ISO-QUANT to REACTION form3033000200047 ENDBIB 45 0 3033000200048 NOCOMMON 0 0 3033000200049 DATA 14 37 3033000200050 EN-RES EN-RES-ERR STAT-W G FLAG DATA 1DATA 23033000200051 ERR-S 2DATA 3DATA 4DATA-ERR 4+DATA-ERR 4-DATA-ERR 43033000200052 DATA 5DATA 6 3033000200053 KEV KEV NO-DIM NO-DIM NO-DIM KEV 3033000200054 KEV EV EV EV EV EV 3033000200055 B*EV EV 3033000200056 3.1740E+01 6.0000E-02 3.0000E+00 2.0000E+00 1.6000E-053033000200057 4.8000E-02 5.0000E-03 3033000200058 6.5000E+00 1.3000E+00 3033000200059 5.5900E+01 2.0000E-01 1.0000E+00 0.0000E+00 1.5000E+003033000200060 4.0000E-01 6.0000E-02 6.0000E-02 6.0000E-02 3.0000E-023033000200061 4.7000E+00 6.3000E+00 3033000200062 6.7710E+01 1.3000E-01 2.0000E+00 1.0000E+00 3033000200063 1.2900E+00 2.2800E+00 2.3000E-01 3033000200064 1.4800E+02 7.7000E-01 3033000200065 7.0800E+01 1.4000E+00 2.6000E+00 1.0000E+00 2.0000E+00 1.5000E-053033000200066 3.8000E-02 4.0000E-03 3033000200067 2.2000E+00 1.8000E-01 3033000200068 8.6900E+01 2.0000E-01 2.0000E+00 3033000200069 6.0000E-01 6.0000E-02 3033000200070 3033000200071 1.8300E+02 3.0000E+00 1.0000E+00 0.0000E+00 5.0000E+013033000200072 1.0000E+01 1.0000E+00 1.0000E+00 2.0000E+00 9.0000E-013033000200073 2.4000E+01 1.3100E+02 3033000200074 2.9820E+02 6.0000E-01 2.0000E+00 3033000200075 1.1600E+00 1.3000E-01 3033000200076 3033000200077 3.5410E+02 7.0000E-01 1.6700E+00 1.0000E+00 1.0000E+00 3033000200078 8.4000E-01 1.4000E+00 1.5000E-01 3033000200079 1.7300E+01 1.6000E+00 3033000200080 3.9900E+02 8.0000E-01 2.0000E+00 1.0000E+00 3033000200081 6.6000E-01 1.3100E+00 1.4000E-01 3033000200082 1.4400E+01 1.3000E+00 3033000200083 5.2700E+02 1.0000E+00 3033000200084 2.0000E-01 4.0000E-02 3033000200085 4.4700E+01 3033000200086 5.3100E+02 2.0000E+00 3.0000E+00 2.0000E+00 3033000200087 6.5000E-01 1.9000E+00 3.0000E-01 3033000200088 1.6000E+01 3033000200089 5.6200E+02 2.0000E+00 2.0000E+00 1.0000E+00 1.2000E+013033000200090 2.0000E+00 2.9200E+00 5.8000E+00 9.0000E-01 3033000200091 4.5600E+01 5.3000E+01 3033000200092 5.8580E+02 1.0000E+00 1.0000E+00 1.0000E+00 3033000200093 2.7700E+00 2.8000E+00 4.0000E-01 3033000200094 2.0700E+01 3.3000E+00 3033000200095 6.0100E+02 1.0000E+00 2.0000E+00 2.0000E+00 2.0000E-013033000200096 3.5000E+00 6.8000E+00 1.0000E+00 3033000200097 5.0000E+01 1.2600E+00 3033000200098 7.0700E+02 1.0000E+00 3033000200099 5.0000E-01 1.0000E-01 3033000200100 3033000200101 7.7000E+02 2.0000E+00 1.6700E+00 1.0000E+00 1.0000E+00 3033000200102 1.7600E+00 2.9000E+00 5.0000E-01 3033000200103 1.6600E+01 9.0000E-01 3033000200104 7.8200E+02 2.0000E+00 1.6700E+00 1.0000E+00 1.0000E+00 3033000200105 4.3000E-01 7.0000E-01 2.0000E-01 3033000200106 4.0000E+00 9.0000E-01 3033000200107 8.0200E+02 2.0000E+00 1.6700E+00 1.0000E+00 1.0000E+00 3033000200108 3.2900E+00 5.4000E+00 9.0000E-01 3033000200109 2.9800E+01 1.2000E+00 3033000200110 8.0600E+02 4.0000E+00 2.0000E+00 1.0000E+00 3033000200111 9.7000E+00 1.9000E+01 3.0000E+00 3033000200112 1.0600E+02 7.8000E+01 3033000200113 8.4300E+02 2.0000E+00 2.0000E+00 2.0000E+00 3033000200114 2.0000E+00 4.0000E+00 6.0000E-01 3033000200115 2.1000E+01 7.2700E+01 3033000200116 8.7000E+02 2.0000E+00 3.0000E+00 2.0000E+00 3033000200117 1.3000E+00 4.0000E+00 6.0000E-01 3033000200118 2.0000E+01 5.4000E+00 3033000200119 9.0700E+02 2.0000E+00 2.0000E+00 1.0000E+00 3033000200120 1.1300E+00 2.3000E+00 4.0000E-01 3033000200121 1.0900E+01 7.6000E+00 3033000200122 9.5000E+02 2.0000E+00 1.6700E+00 1.0000E+00 3033000200123 1.4600E+00 2.4000E+00 4.0000E-01 3033000200124 1.1200E+01 1.2000E+00 3033000200125 9.5500E+02 1.0000E+01 1.0000E+00 1.0000E+00 3033000200126 1.6000E+01 1.6000E+01 3.0000E+00 3033000200127 7.3000E+01 2.1700E+02 3033000200128 9.7300E+02 3.0000E+00 2.0000E+00 1.0000E+00 3033000200129 1.8300E+00 3.6000E+00 5.0000E-01 3033000200130 1.6500E+01 1.2000E+00 3033000200131 1.0170E+03 3.0000E+00 3033000200132 3.1000E+00 5.0000E-01 3033000200133 3033000200134 1.0400E+03 3.0000E+00 1.0000E+00 1.0000E+00 3033000200135 2.0600E+00 2.1000E+00 3.0000E-01 3033000200136 8.7000E+00 3.1000E+00 3033000200137 1.1450E+03 3.0000E+00 3033000200138 3.4000E+00 5.0000E-01 3033000200139 3033000200140 1.1590E+03 3.0000E+00 1.0000E+00 0.0000E+00 3033000200141 3.8000E+00 3.8000E+00 1.1000E+00 3033000200142 1.5000E+01 3.1000E+00 3033000200143 1.1970E+03 3.0000E+00 2.0000E+00 1.0000E+00 3033000200144 3.8200E+00 7.6000E+00 2.0000E+00 3033000200145 2.8000E+01 2.3000E+01 3033000200146 1.2270E+03 3.0000E+00 3033000200147 2.5000E+00 8.0000E-01 3033000200148 3033000200149 1.2610E+03 3.0000E+00 1.0000E+00 1.0000E+00 3033000200150 4.3000E+00 4.3000E+00 1.5000E+00 3033000200151 1.5000E+01 1.1000E+01 3033000200152 1.3780E+03 4.0000E+00 3033000200153 2.1000E+00 7.0000E-01 3033000200154 3033000200155 1.4000E+03 4.0000E+00 2.0000E+00 1.0000E+00 3033000200156 2.7000E+00 5.3000E+00 2.5000E+00 3033000200157 1.7000E+01 1.3000E+01 3033000200158 1.4680E+03 3.0000E+00 3033000200159 3.3000E+00 1.6000E+00 3033000200160 3033000200161 1.5100E+03 3.0000E+00 3033000200162 2.9000E+00 1.4000E+00 3033000200163 3033000200164 1.5200E+03 3.0000E+00 3033000200165 1.4000E+00 7.0000E-01 3033000200166 3033000200167 ENDDATA 117 0 3033000200168 ENDSUBENT 167 0 3033000299999 SUBENT 30330003 20090115 31343033000300001 BIB 3 4 3033000300002 REACTION 1(14-SI-28(N,EL),,STF) 3033000300003 2(14-SI-28(N,G),,WID,,AV) 3033000300004 STATUS (TABLE) Data from Table 8 of Nucl.Phys.,A252(1975)62. 3033000300005 HISTORY (19821028U) DG.-Convert.from ISO-QUANT to REACTION form3033000300006 ENDBIB 4 0 3033000300007 COMMON 2 3 3033000300008 EN-RES-MIN EN-RES-MAX 3033000300009 KEV KEV 3033000300010 3.0000E+00 1.5000E+03 3033000300011 ENDCOMMON 3 0 3033000300012 DATA 3 2 3033000300013 MOMENTUM L DATA 1DATA 2 3033000300014 NO-DIM NO-DIM EV 3033000300015 1.0000E+00 2.1000E-04 3.0000E+00 3033000300016 2.0000E+00 6.5000E-05 1.9000E+00 3033000300017 ENDDATA 4 0 3033000300018 ENDSUBENT 17 0 3033000399999 SUBENT 30330004 20090115 31343033000400001 BIB 4 11 3033000400002 REACTION 1(14-SI-29(N,EL),,WID) 3033000400003 2(14-SI-29(N,G),,WID) 3033000400004 3(14-SI-29(N,G),,WID/STR) 3033000400005 COMMENT Following neutron-widths are assumed for area analysis 3033000400006 Res.en.(keV) n-width(eV) * Res.en.(keV) n-width(eV) 3033000400007 159.5+-0.3 100. * 340.2+-0.8 200. 3033000400008 184.3+-0.4 100. * 388.8+-0.8 200. 3033000400009 Spin assignment of 38.82keV resonance as L=1 is cited 3033000400010 from Kenny et al. priv.comm. to the authors. 3033000400011 STATUS (TABLE) Data from Table 3 of Nucl.Phys.,A252(1975)62. 3033000400012 HISTORY (19821028U) DG.-Convert.from ISO-QUANT to REACTION form3033000400013 ENDBIB 11 0 3033000400014 NOCOMMON 0 0 3033000400015 DATA 10 8 3033000400016 EN-RES EN-RES-ERR STAT-W G DATA 1DATA-ERR 1+DATA-ERR 13033000400017 -DATA-ERR 1DATA 2DATA 3DATA-ERR 3 3033000400018 KEV KEV NO-DIM EV EV EV 3033000400019 EV EV EV EV 3033000400020 1.5280E+01 3.0000E-02 3033000400021 1.0600E+00 1.2000E-01 3033000400022 3.8820E+01 8.0000E-02 1.2500E+00 1.0000E+01 6.0000E+003033000400023 3.0000E+00 2.3100E+00 2.9000E+00 2.9000E-01 3033000400024 1.5950E+02 3.0000E-01 8.0000E+01 1.5000E+01 3033000400025 1.4000E+00 3.0000E-01 3033000400026 1.8430E+02 4.0000E-01 3033000400027 1.1000E+00 3.0000E-01 3033000400028 3.4020E+02 8.0000E-01 3033000400029 6.0000E-01 2.0000E-01 3033000400030 3.8880E+02 8.0000E-01 3033000400031 3.5000E+00 5.0000E-01 3033000400032 5.4900E+02 1.0000E+00 2.5000E+03 1.5000E+03 3033000400033 7.1000E+00 2.0000E+00 3033000400034 6.6300E+02 1.0000E+00 3.0000E+03 1.5000E+03 3033000400035 4.7000E+00 1.5000E+00 3033000400036 ENDDATA 20 0 3033000400037 ENDSUBENT 36 0 3033000499999 SUBENT 30330005 20090115 31343033000500001 BIB 4 8 3033000500002 REACTION 1(14-SI-30(N,EL),,WID) 3033000500003 2(14-SI-30(N,G),,WID/STR) 3033000500004 COMMENT Following neutron-widths are assumed for area analysis 3033000500005 Res.en.(keV) n-width(eV) * Res.en.(keV) n-width(eV) 3033000500006 15.14+-0.03 5. * 235.3+-0.5 200. 3033000500007 190.6 +-0.4 100. * 422.+- 1. 200. 3033000500008 STATUS (TABLE) Data from Table 4 of Nucl.Phys.,A252(1975)62. 3033000500009 HISTORY (19821028U) DG.-Convert.from ISO-QUANT to REACTION form3033000500010 ENDBIB 8 0 3033000500011 NOCOMMON 0 0 3033000500012 DATA 7 5 3033000500013 EN-RES EN-RES-ERR DATA 1+DATA-ERR 1-DATA-ERR 1DATA 23033000500014 DATA-ERR 2 3033000500015 KEV KEV EV EV EV EV 3033000500016 EV 3033000500017 4.9800E+00 1.0000E-02 5.0000E+00 2.0000E+00 4.0000E+00 6.0000E-013033000500018 6.0000E-02 3033000500019 1.5140E+01 3.0000E-02 1.7000E-013033000500020 2.0000E-02 3033000500021 1.9060E+02 4.0000E-01 1.3000E+003033000500022 3.0000E-01 3033000500023 2.3530E+02 5.0000E-01 1.6000E+003033000500024 3.0000E-01 3033000500025 4.2200E+02 1.0000E+00 5.5000E+003033000500026 8.0000E-01 3033000500027 ENDDATA 14 0 3033000500028 ENDSUBENT 27 0 3033000599999 ENDENTRY 5 0 3033099999999