ENTRY 20515 20131130 22382051500000001 SUBENT 20515001 20131130 22382051500100001 BIB 15 59 2051500100002 INSTITUTE (2SWTLAU) 2051500100003 REFERENCE (J,HPA,43,237,1970) Mainly graphs. 2051500100004 (P,EANDC(OR)-90,196906) Progr. rep. 2051500100005 (P,EANDC(OR)-75,196807) Progr. rep. 2051500100006 (J,HPA,41,433,196807) Progr. rep. (In French) 2051500100007 (W,VAUCHER,197005) numerical values. 2051500100008 (P,EANDC(OR)-48,196705) Superseded. 2051500100009 AUTHOR (B.Vaucher,J.C.Alder,C.Joseph) 2051500100010 TITLE Scattering of 14.1 MeV neutrons by B-10 2051500100011 FACILITY (NGEN,2SWTLAU) .Neutron generator of the Institut de 2051500100012 Physique Nucleaire de l'Universite de Lausanne. 2051500100013 INC-SOURCE (D-T) Deuteron-tritium reaction. Ed = 145 keV. 2051500100014 Thin titanium-tritium target. 2051500100015 INC-SPECT .Mono-energetic neutrons. En = 14.15 +- 0.10 MeV. 2051500100016 SAMPLE .Two different scatterers, each measuring 7.2 cm high, 2051500100017 1.8 cm wide and 5 cm thick, were used alternately, the 2051500100018 center of the scatterer being placed along the neutron 2051500100019 beam axis, 18 cm from the source. 2051500100020 1. Natural boron powder (81.17% B-11, 18.83% B-10) 2051500100021 2. B-10-enriched boron powder (91.35% B-10,8.65% B-11)2051500100022 Impurities 1.9% C, 1.2% O. Same geometry. 2051500100023 METHOD (TOF,PSD) Measurement of scattered neutron TOF- 2051500100024 (ASSOP) Spectra by means of fast spectrometer employing2051500100025 the associated alpha particles from the H-3(d,n)He-4 2051500100026 reaction. 2051500100027 .The fast-slow coincidence circuitry as well as the 2051500100028 time-to-pulse-height converter used are described by 2051500100029 Grin and Joseph in Nucl.Instr.Meth.24,331(1963). 2051500100030 Angular resolution +- 4.5 deg. Time resolution for 2051500100031 direct flight 1.9 ns (FWHM), flight path, depending 2051500100032 on the mean scattering angle, 4 to 5 m. 2051500100033 REL-REF (M,,G.A.Grin+,J,NIM,24,331,1963) - see METHOD 2051500100034 DETECTOR (SCIN) Liquid scintillator, type NE 213, as 2051500100035 neutron detector. Area 19.6*20.1 cm*cm, thickness 2051500100036 3.6 cm. Threshold 3 MeV proton energy. Elimination 2051500100037 of gamma-counting by pulse-shape discrimination. 2051500100038 Shielding against the neutron-source by a pyramidal 2051500100039 iron shadow bar, 25 cm long, close to the target. 2051500100040 (SCIN) Plastic scintillator, type NE 102A, as 2051500100041 alpha detector. Area 30*11.4 mm*mm, thickness 12.5 mu.2051500100042 Distance from neutron-source 71 mm. 2051500100043 MONITOR (1-H-1(N,EL)1-H-1,,DA) Used to determine detector 2051500100044 efficiency. 2051500100045 PART-DET (N) Scattered neutrons. 2051500100046 (A) Associated alphas. 2051500100047 CORRECTION .Corrections applied for accidental coincidences, 2051500100048 scattering by impurities in the sample and by the 2051500100049 sample-canning, contributions from the environment, 2051500100050 finite geometry, multiple scattering and absorption 2051500100051 in the sample, absorption in air. 2051500100052 HISTORY (19741115C) 2051500100053 (19760421E) 2051500100054 (19801119A) Monitor changed. 2051500100055 (19801204E) 2051500100056 (19810115A) DATA-ERR heading in Subent 002 corrected. 2051500100057 (19810120E) 2051500100058 (20131130A) SD:Updated to new date formats,lower case. 2051500100059 Corrected according to last EXFOR rules and Dict. Year 2051500100060 of ref. was corrected(HPA,43,237,1969->HPA,43,237,1970)2051500100061 ENDBIB 59 0 2051500100062 COMMON 2 3 2051500100063 EN EN-ERR 2051500100064 MEV MEV 2051500100065 1.4150E+01 1.0000E-01 2051500100066 ENDCOMMON 3 0 2051500100067 ENDSUBENT 66 0 2051500199999 SUBENT 20515002 20131130 22382051500200001 BIB 5 9 2051500200002 REACTION (5-B-10(N,SCT)5-B-10,PAR,SIG) 2051500200003 ANALYSIS (INTAD) Value obtained by extrapolation and integration2051500200004 of the measured angular distribution. 2051500200005 STATUS (TABLE) .Table II in Helv.Phys.Acta 43(1969)237. 2051500200006 (DEP,20515003) See ANALYSIS 2051500200007 ERR-ANALYS (DATA-ERR) Total absolute error given. 2051500200008 HISTORY (19801119A) REACTION re-coded. 2051500200009 (20131130A) SD: REACTION code changed according EXFOR 2051500200010 rules (EL + INL -> SCT). 2051500200011 ENDBIB 9 0 2051500200012 NOCOMMON 0 0 2051500200013 DATA 4 1 2051500200014 E-LVL E-LVL DATA DATA-ERR 2051500200015 MEV MEV B B 2051500200016 0.0000E+00 7.1700E-01 9.7200E-01 3.5000E-02 2051500200017 ENDDATA 3 0 2051500200018 ENDSUBENT 17 0 2051500299999 SUBENT 20515003 20131130 22382051500300001 BIB 6 12 2051500300002 REACTION (5-B-10(N,SCT)5-B-10,PAR,DA) 2051500300003 ANALYSIS .Values derived from the measured neutron-TOF-spectra 2051500300004 by means of Least-Squares fits using a Monte-Carlo 2051500300005 computer program. 2051500300006 COMMENT .Differential elastic cross sections plus small 2051500300007 contributions of partial inelastic scattering. 2051500300008 STATUS (TABLE) .Numerical values from B.Vaucher, May 1970. 2051500300009 ERR-ANALYS (ERR-S) Only statistical errors are given in tables. 2051500300010 (ERR-SYS) Systematic errors were estimated at about 5%.2051500300011 HISTORY (19801119A) REACTION re-coded, ERR-ANALYS changed. 2051500300012 (20131130A) SD: REACTION code changed according EXFOR 2051500300013 rules (EL + INL -> SCT). 2051500300014 ENDBIB 12 0 2051500300015 COMMON 4 3 2051500300016 E-LVL E-LVL ERR-SYS ANG-RSL 2051500300017 MEV MEV PER-CENT ADEG 2051500300018 0.0000E+00 7.1700E-01 5.0000E+00 4.5 2051500300019 ENDCOMMON 3 0 2051500300020 DATA 3 14 2051500300021 COS-CM DATA-CM ERR-S 2051500300022 NO-DIM MB/SR MB/SR 2051500300023 -9.5931E-01 1.1200E+01 4.0000E-01 2051500300024 -9.0777E-01 1.0900E+01 4.0000E-01 2051500300025 -8.0592E-01 1.0200E+01 4.0000E-01 2051500300026 -6.7042E-01 1.4400E+01 5.0000E-01 2051500300027 -5.0302E-01 2.1300E+01 4.0000E-01 2051500300028 -3.1067E-01 2.7900E+01 4.0000E-01 2051500300029 -1.0105E-01 2.7700E+01 4.0000E-01 2051500300030 1.2013E-01 2.3000E+01 5.0000E-01 2051500300031 3.3873E-01 1.9000E+01 5.0000E-01 2051500300032 5.4317E-01 4.1300E+01 6.0000E-01 2051500300033 7.2296E-01 1.3600E+02 1.5000E+00 2051500300034 8.6427E-01 3.4650E+02 2.0000E+00 2051500300035 9.5882E-01 5.9000E+02 3.0000E+00 2051500300036 9.8162E-01 7.5500E+02 1.2000E+01 2051500300037 ENDDATA 16 0 2051500300038 ENDSUBENT 37 0 2051500399999 SUBENT 20515004 20131130 22382051500400001 BIB 5 7 2051500400002 REACTION (5-B-10(N,INL)5-B-10,PAR,SIG) Partial cross section. 2051500400003 ANALYSIS (INTAD) Values obtained by extrapolation and 2051500400004 integration of the measured angular distributions. 2051500400005 STATUS (TABLE) .Table II in HPA,43,237. 2051500400006 (DEP,20515005) See ANALYSIS 2051500400007 ERR-ANALYS (DATA-ERR) Total absolute errors are given. 2051500400008 HISTORY (19801119A) REACTION re-coded. 2051500400009 ENDBIB 7 0 2051500400010 NOCOMMON 0 0 2051500400011 DATA 4 9 2051500400012 E-LVL E-LVL DATA DATA-ERR 2051500400013 MEV MEV MB MB 2051500400014 1.7400E+00 8.0000E+00 3.0000E+00 2051500400015 1.7400E+00 2.1500E+00 1.4500E+01 1.5000E+00 2051500400016 2.1500E+00 5.0000E+00 3.0000E+00 2051500400017 3.5800E+00 1.1000E+01 1.5000E+00 2051500400018 4.7700E+00 4.2000E+00 1.6000E+00 2051500400019 5.1100E+00 5.1800E+00 1.3500E+01 2.0000E+00 2051500400020 5.9200E+00 6.1300E+00 6.8000E+01 4.0000E+00 2051500400021 6.5600E+00 9.0000E+00 1.5000E+00 2051500400022 6.8800E+00 7.0000E+00 1.1000E+01 1.5000E+00 2051500400023 ENDDATA 11 0 2051500400024 ENDSUBENT 23 0 2051500499999 SUBENT 20515005 20131130 22382051500500001 BIB 5 11 2051500500002 REACTION (5-B-10(N,INL)5-B-10,PAR,DA) Partial inelastic angular 2051500500003 distributions. 2051500500004 ANALYSIS (LEAST) .Values derived from the measured neutron-TOF- 2051500500005 spectra by means of Least-Squares fits using a 2051500500006 Monte-Carlo computer program. 2051500500007 STATUS (TABLE) .Numerical values from B.Vaucher, May 1970. 2051500500008 (Tbl.I in HPA,43,237.) 2051500500009 HISTORY (19801121A) REACTION, EN-SEC and ERR-ANALYS changed. 2051500500010 ERR-ANALYS (ERR-S) Only statistical errors are given. 2051500500011 (ERR-SYS) Systematic errors were estimated to be less 2051500500012 than or equal to 5%. 2051500500013 ENDBIB 11 0 2051500500014 COMMON 2 3 2051500500015 ERR-SYS ANG-RSL 2051500500016 PER-CENT ADEG 2051500500017 5.0000E+00 4.5 2051500500018 ENDCOMMON 3 0 2051500500019 DATA 5 124 2051500500020 E-LVL E-LVL COS-CM DATA-CM ERR-S 2051500500021 MEV MEV NO-DIM MB/SR MB/SR 2051500500022 1.7400E+00 -9.6029E-01-2.0000E-01 4.0000E-01 2051500500023 1.7400E+00 -9.0923E-01 1.3000E+00 4.0000E-01 2051500500024 1.7400E+00 -8.0901E-01 8.0000E-01 5.0000E-01 2051500500025 1.7400E+00 -6.7559E-01 8.0000E-01 5.0000E-01 2051500500026 1.7400E+00 -5.1054E-01 2.0000E-01 6.0000E-01 2051500500027 1.7400E+00 -3.1896E-01 6.0000E-01 5.0000E-01 2051500500028 1.7400E+00 -1.0973E-01-1.0000E-01 5.0000E-01 2051500500029 1.7400E+00 1.1147E-01 1.3000E+00 7.0000E-01 2051500500030 1.7400E+00 3.3051E-01 2.0000E-01 7.0000E-01 2051500500031 1.7400E+00 5.3730E-01 1.5000E+00 7.0000E-01 2051500500032 1.7400E+00 7.1934E-01 1.2000E+00 7.0000E-01 2051500500033 1.7400E+00 8.6339E-01 7.0000E-01 1.2000E+00 2051500500034 1.7400E+00 9.5832E-01-8.0000E-01 1.5000E+00 2051500500035 1.7400E+00 9.8129E-01 3.2000E+00 1.8000E+00 2051500500036 2.1500E+00 -9.6029E-01 8.0000E-01 4.0000E-01 2051500500037 2.1500E+00 -9.0923E-01-1.0000E-01 4.0000E-01 2051500500038 2.1500E+00 -8.0901E-01-6.0000E-01 4.0000E-01 2051500500039 2.1500E+00 -6.7559E-01-1.2000E+00 5.0000E-01 2051500500040 2.1500E+00 -5.1054E-01 1.0000E-01 5.0000E-01 2051500500041 2.1500E+00 -3.1896E-01 4.0000E-01 5.0000E-01 2051500500042 2.1500E+00 -1.0973E-01 5.0000E-01 5.0000E-01 2051500500043 2.1500E+00 1.1147E-01 0.0000E+00 7.0000E-01 2051500500044 2.1500E+00 3.3051E-01 1.0000E-01 7.0000E-01 2051500500045 2.1500E+00 5.3730E-01 2.0000E-01 7.0000E-01 2051500500046 2.1500E+00 7.1934E-01 2.5000E+00 7.0000E-01 2051500500047 2.1500E+00 8.6339E-01 1.4000E+00 1.2000E+00 2051500500048 2.1500E+00 9.5832E-01 2.2000E+00 1.5000E+00 2051500500049 2.1500E+00 9.8129E-01 2.0000E+00 1.8000E+00 2051500500050 2.1500E+00 1.7400E+00-9.6029E-01-4.0000E-01 3.0000E-01 2051500500051 2.1500E+00 1.7400E+00-9.0923E-01 8.0000E-01 2.0000E-01 2051500500052 2.1500E+00 1.7400E+00-8.0901E-01 5.0000E-01 3.0000E-01 2051500500053 2.1500E+00 1.7400E+00-6.7559E-01 0.0000E+00 3.0000E-01 2051500500054 2.1500E+00 1.7400E+00-5.1054E-01 4.0000E-01 2.0000E-01 2051500500055 2.1500E+00 1.7400E+00-3.1896E-01 1.0000E+00 2.0000E-01 2051500500056 2.1500E+00 1.7400E+00-1.0973E-01 9.0000E-01 2.0000E-01 2051500500057 2.1500E+00 1.7400E+00 1.1147E-01 8.0000E-01 2.0000E-01 2051500500058 2.1500E+00 1.7400E+00 3.3051E-01 9.0000E-01 2.0000E-01 2051500500059 2.1500E+00 1.7400E+00 5.3730E-01 1.5000E+00 3.0000E-01 2051500500060 2.1500E+00 1.7400E+00 7.1934E-01 1.8000E+00 3.0000E-01 2051500500061 2.1500E+00 1.7400E+00 8.6339E-01 3.7000E+00 6.0000E-01 2051500500062 2.1500E+00 1.7400E+00 9.5832E-01 3.9000E+00 8.0000E-01 2051500500063 3.5800E+00 -9.6078E-01 0.0000E+00 3.0000E-01 2051500500064 3.5800E+00 -9.1068E-01 9.0000E-01 3.0000E-01 2051500500065 3.5800E+00 -8.1310E-01 4.0000E-01 3.0000E-01 2051500500066 3.5800E+00 -6.8072E-01 0.0000E+00 3.0000E-01 2051500500067 3.5800E+00 -5.1802E-01 2.0000E-01 2.0000E-01 2051500500068 3.5800E+00 -3.2886E-01 4.0000E-01 2.0000E-01 2051500500069 3.5800E+00 -1.1840E-01 4.0000E-01 2.0000E-01 2051500500070 3.5800E+00 1.0105E-01 5.0000E-01 3.0000E-01 2051500500071 3.5800E+00 3.2226E-01 1.0000E+00 3.0000E-01 2051500500072 3.5800E+00 5.3140E-01 9.0000E-01 3.0000E-01 2051500500073 3.5800E+00 7.1447E-01 1.5000E+00 3.0000E-01 2051500500074 3.5800E+00 8.6074E-01 2.7000E+00 4.0000E-01 2051500500075 3.5800E+00 9.5732E-01 4.2000E+00 5.0000E-01 2051500500076 3.5800E+00 9.8095E-01 2.6000E+00 9.0000E-01 2051500500077 4.7700E+00 -9.6174E-01 7.0000E-01 3.0000E-01 2051500500078 4.7700E+00 -9.1354E-01 5.0000E-01 3.0000E-01 2051500500079 4.7700E+00 -8.1714E-01 7.0000E-01 6.0000E-01 2051500500080 4.7700E+00 -6.8708E-01 8.0000E-01 4.0000E-01 2051500500081 4.7700E+00 -5.2547E-01 5.0000E-01 3.0000E-01 2051500500082 4.7700E+00 -3.3709E-01 0.0000E+00 2.0000E-01 2051500500083 4.7700E+00 -1.2879E-01-5.0000E-01 6.0000E-01 2051500500084 4.7700E+00 9.2370E-02 0.0000E+00 3.0000E-01 2051500500085 4.7700E+00 3.1399E-01 0.0000E+00 3.0000E-01 2051500500086 4.7700E+00 5.2398E-01 3.0000E-01 3.0000E-01 2051500500087 4.7700E+00 7.0957E-01 2.0000E-01 3.0000E-01 2051500500088 4.7700E+00 8.5716E-01 7.0000E-01 6.0000E-01 2051500500089 4.7700E+00 9.5681E-01 1.8000E+00 8.0000E-01 2051500500090 4.7700E+00 9.8061E-01 1.8000E+00 1.1000E+00 2051500500091 5.1100E+00 5.1800E+00-9.6174E-01 1.2000E+00 5.0000E-01 2051500500092 5.1100E+00 5.1800E+00-9.1354E-01 1.9000E+00 4.0000E-01 2051500500093 5.1100E+00 5.1800E+00-8.1714E-01 7.0000E-01 8.0000E-01 2051500500094 5.1100E+00 5.1800E+00-6.8708E-01 1.0000E+00 4.0000E-01 2051500500095 5.1100E+00 5.1800E+00-5.2695E-01 9.0000E-01 3.0000E-01 2051500500096 5.1100E+00 5.1800E+00-3.3873E-01 8.0000E-01 3.0000E-01 2051500500097 5.1100E+00 5.1800E+00-1.3052E-01 6.0000E-01 3.0000E-01 2051500500098 5.1100E+00 5.1800E+00 9.2370E-02 5.0000E-01 3.0000E-01 2051500500099 5.1100E+00 5.1800E+00 3.1233E-01 9.0000E-01 4.0000E-01 2051500500100 5.1100E+00 5.1800E+00 5.2398E-01 1.7000E+00 4.0000E-01 2051500500101 5.1100E+00 5.1800E+00 7.0957E-01 1.5000E+00 4.0000E-01 2051500500102 5.1100E+00 5.1800E+00 8.5716E-01 1.1000E+00 4.0000E-01 2051500500103 5.1100E+00 5.1800E+00 9.5681E-01 2.2000E+00 6.0000E-01 2051500500104 5.1100E+00 5.1800E+00 9.8061E-01 1.7000E+00 1.2000E+00 2051500500105 5.9200E+00 6.1300E+00-9.6269E-01 5.5000E+00 6.0000E-01 2051500500106 5.9200E+00 6.1300E+00-9.1496E-01 6.6000E+00 5.0000E-01 2051500500107 5.9200E+00 6.1300E+00-8.2015E-01 5.6000E+00 6.0000E-01 2051500500108 5.9200E+00 6.1300E+00-6.9214E-01 6.0000E+00 5.0000E-01 2051500500109 5.9200E+00 6.1300E+00-5.3287E-01 5.1000E+00 4.0000E-01 2051500500110 5.9200E+00 6.1300E+00-3.4693E-01 5.6000E+00 3.0000E-01 2051500500111 5.9200E+00 6.1300E+00-1.3917E-01 4.5000E+00 3.0000E-01 2051500500112 5.9200E+00 6.1300E+00 8.1930E-02 4.3000E+00 3.0000E-01 2051500500113 5.9200E+00 6.1300E+00 3.0569E-01 4.8000E+00 4.0000E-01 2051500500114 5.9200E+00 6.1300E+00 5.1802E-01 4.3000E+00 4.0000E-01 2051500500115 5.9200E+00 6.1300E+00 7.0587E-01 5.7000E+00 3.0000E-01 2051500500116 5.9200E+00 6.1300E+00 8.5536E-01 6.9000E+00 6.0000E-01 2051500500117 5.9200E+00 6.1300E+00 9.5579E-01 9.1000E+00 5.0000E-01 2051500500118 5.9200E+00 6.1300E+00 9.8027E-01 1.2700E+01 1.0000E+00 2051500500119 6.5600E+00 -9.6316E-01-1.0000E-01 2.0000E-01 2051500500120 6.5600E+00 -9.1566E-01 2.0000E-01 2.0000E-01 2051500500121 6.5600E+00 -8.2214E-01 1.0000E-01 4.0000E-01 2051500500122 6.5600E+00 -6.9591E-01 4.0000E-01 6.0000E-01 2051500500123 6.5600E+00 -5.3730E-01 1.1000E+00 4.0000E-01 2051500500124 6.5600E+00 -3.5184E-01 9.0000E-01 3.0000E-01 2051500500125 6.5600E+00 -1.4435E-01 6.0000E-01 2.0000E-01 2051500500126 6.5600E+00 7.6710E-02 1.0000E+00 3.0000E-01 2051500500127 6.5600E+00 3.0070E-01 9.0000E-01 3.0000E-01 2051500500128 6.5600E+00 5.1354E-01 5.0000E-01 3.0000E-01 2051500500129 6.5600E+00 7.0339E-01 1.2000E+00 3.0000E-01 2051500500130 6.5600E+00 8.5445E-01 1.1000E+00 3.0000E-01 2051500500131 6.5600E+00 9.5579E-01 6.0000E-01 3.0000E-01 2051500500132 6.5600E+00 9.8027E-01 6.0000E-01 5.0000E-01 2051500500133 6.8800E+00 7.0000E+00-9.6363E-01 8.0000E-01 7.0000E-01 2051500500134 6.8800E+00 7.0000E+00-9.1636E-01 1.3000E+00 4.0000E-01 2051500500135 6.8800E+00 7.0000E+00-8.2313E-01 1.3000E+00 9.0000E-01 2051500500136 6.8800E+00 7.0000E+00-6.9716E-01 2.4000E+00 8.0000E-01 2051500500137 6.8800E+00 7.0000E+00-5.3877E-01-6.0000E-01 4.0000E-01 2051500500138 6.8800E+00 7.0000E+00-3.5347E-01 1.1000E+00 3.0000E-01 2051500500139 6.8800E+00 7.0000E+00 7.4970E-02 1.3000E+00 3.0000E-01 2051500500140 6.8800E+00 7.0000E+00 2.9904E-01 7.0000E-01 3.0000E-01 2051500500141 6.8800E+00 7.0000E+00 5.1204E-01 1.1000E+00 3.0000E-01 2051500500142 6.8800E+00 7.0000E+00 6.9591E-01 8.0000E-01 2.0000E-01 2051500500143 6.8800E+00 7.0000E+00 8.5355E-01 1.0000E-01 4.0000E-01 2051500500144 6.8800E+00 7.0000E+00 9.5527E-01 8.0000E-01 3.0000E-01 2051500500145 6.8800E+00 7.0000E+00 9.7992E-01 7.0000E-01 4.0000E-01 2051500500146 ENDDATA 126 0 2051500500147 ENDSUBENT 146 0 2051500599999 ENDENTRY 5 0 2051599999999