ENTRY 20921 20201210 22962092100000001 SUBENT 20921001 20201210 22962092100100001 BIB 12 27 2092100100002 TITLE Neutron cross-sections in aluminium 2092100100003 AUTHOR (G.S.Mani,G.J.McCallum,A.T.G.Ferguson) 2092100100004 REFERENCE (J,NP,19,535,1960) 2092100100005 INSTITUTE (2UK HAR) AERE Harwell. 2092100100006 FACILITY (VDG,2UK HAR) Van de Graaff used at 2 MeV and 4 MeV. 2092100100007 INC-SOURCE (D-T) Air-cooled titanium-tritide target. Various 2092100100008 neutron energies were obtained by using different 2092100100009 angles. 2092100100010 SAMPLE 5.08 cm diameter by 2.5 cm thick Al samples placed 2092100100011 on a circular brass ring 30 cm from the central 2092100100012 placed source with the beam forming a diameter. 2092100100013 METHOD (ACTIV) 2092100100014 DETECTOR (NAICR) NaI(Tl) crystal 2.54 cm high and 3.81 cm in 2092100100015 diam. or 7.62 cm high and 12.7 cm in diam. used to 2092100100016 detect decay gammas. 2092100100017 Proton recoil counter used to monitor neutron flux. 2092100100018 STATUS (TABLE) Data from Nucl.Phys. 19,(5),535,1960 2092100100019 ERR-ANALYS (DATA-ERR) Experimental error. The mainly source of 2092100100020 error arose from the finite size of samples that 2092100100021 introduced uncertainties due the variation of 2092100100022 intensity and energy with angle. 2092100100023 Maximum such error was about 10%. 2092100100024 (ERR-S) Statistical errors included in DATA-ERR 2092100100025 HISTORY (19790510C) 2092100100026 (20101112A) SD:Updated to new date formats, lower case.2092100100027 Corrections in all Subents. ERR-S added to COMMON. 2092100100028 (20201210U) SD: Correction in Subent 004. 2092100100029 ENDBIB 27 0 2092100100030 COMMON 1 3 2092100100031 ERR-S 2092100100032 PER-CENT 2092100100033 1.0 2092100100034 ENDCOMMON 3 0 2092100100035 ENDSUBENT 34 0 2092100199999 SUBENT 20921002 20101112 22252092100200001 BIB 5 7 2092100200002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 2092100200003 DECAY-DATA (12-MG-27,9.5MIN,B-,,1.0,DG,172.,0.007,DG,843.,0.3, 2092100200004 DG,1015.,0.3) Only the 843 keV gamma from the 1/2+ 2092100200005 to ground state transition in Al-27 was used. 2092100200006 MONITOR (13-AL-27(N,P)12-MG-27,,SIG) 2092100200007 STATUS (TABLE) Table 1 of Nucl.Phys. 19,(5),535,1960 2092100200008 CORRECTION .Background about 3%. 2092100200009 ENDBIB 7 0 2092100200010 COMMON 2 3 2092100200011 EN-NRM MONIT 2092100200012 MEV MB 2092100200013 1.4000E+01 8.2000E+01 2092100200014 ENDCOMMON 3 0 2092100200015 DATA 3 17 2092100200016 EN DATA DATA-ERR 2092100200017 MEV MB MB 2092100200018 1.1920E+01 1.0300E+02 7.0000E+00 2092100200019 1.2130E+01 8.7500E+01 3.0000E+00 2092100200020 1.2550E+01 8.5000E+01 6.5000E+00 2092100200021 1.3050E+01 8.0000E+01 7.0000E+00 2092100200022 1.3820E+01 7.8500E+01 5.0000E+00 2092100200023 1.4160E+01 5.7000E+01 7.0000E+00 2092100200024 1.4750E+01 6.8000E+01 5.0000E+00 2092100200025 1.5500E+01 7.0500E+01 4.5000E+00 2092100200026 1.6200E+01 5.4500E+01 3.0000E+00 2092100200027 1.6630E+01 5.3000E+01 3.0000E+00 2092100200028 1.6840E+01 6.9500E+01 8.2000E+00 2092100200029 1.7450E+01 6.0000E+01 2.0000E+00 2092100200030 1.7830E+01 4.2500E+01 3.3000E+00 2092100200031 1.8130E+01 3.8000E+01 3.0000E+00 2092100200032 1.9600E+01 4.4000E+01 6.4000E+00 2092100200033 2.0150E+01 2.9500E+01 5.2000E+00 2092100200034 2.0720E+01 3.2000E+01 1.3000E+00 2092100200035 ENDDATA 19 0 2092100200036 ENDSUBENT 35 0 2092100299999 SUBENT 20921003 20101112 22252092100300001 BIB 5 8 2092100300002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 2092100300003 DECAY-DATA (11-NA-24,15.HR,DG,1368.,1.0,DG,2540.,1.0) 2092100300004 .The gammas follow an initial beta decay from Na-24 2092100300005 to Mg-24. only the 1.368 MeV gamma transition from 2092100300006 the 2+ to the 0+ ground state was used. 2092100300007 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 2092100300008 STATUS (TABLE) Table 1 of Nucl.Phys. 19,(5),535,1960 2092100300009 CORRECTION .Background about 8 to 10%. 2092100300010 ENDBIB 8 0 2092100300011 COMMON 2 3 2092100300012 EN-NRM MONIT 2092100300013 MEV MB 2092100300014 1.4000E+01 1.2500E+02 2092100300015 ENDCOMMON 3 0 2092100300016 DATA 3 24 2092100300017 EN DATA DATA-ERR 2092100300018 MEV MB MB 2092100300019 1.1920E+01 1.0800E+02 7.5000E+00 2092100300020 1.2130E+01 1.1850E+02 4.0000E+00 2092100300021 1.2330E+01 1.2100E+02 3.5000E+00 2092100300022 1.2550E+01 1.1300E+02 6.0000E+00 2092100300023 1.2630E+01 1.3450E+02 3.0000E+00 2092100300024 1.3050E+01 1.2700E+02 4.0000E+00 2092100300025 1.3560E+01 1.2800E+02 4.0000E+00 2092100300026 1.3820E+01 1.2300E+02 5.0000E+00 2092100300027 1.4160E+01 1.1750E+02 5.0000E+00 2092100300028 1.4660E+01 1.1100E+02 2.0000E+00 2092100300029 1.4750E+01 1.1100E+02 3.0000E+00 2092100300030 1.5610E+01 9.6500E+01 4.0000E+00 2092100300031 1.6200E+01 9.7500E+01 3.0000E+00 2092100300032 1.6630E+01 1.1550E+02 7.5000E+00 2092100300033 1.6840E+01 8.9000E+01 4.0000E+00 2092100300034 1.7450E+01 7.2000E+01 2.5000E+00 2092100300035 1.7660E+01 7.6000E+01 9.0000E+00 2092100300036 1.7830E+01 7.2000E+01 3.0000E+00 2092100300037 1.8130E+01 6.5700E+01 3.0000E+00 2092100300038 1.8300E+01 6.1500E+01 5.0000E+00 2092100300039 1.9480E+01 5.0000E+01 6.5000E+00 2092100300040 2.0150E+01 4.5500E+01 5.0000E+00 2092100300041 2.0570E+01 3.8000E+01 4.0000E+00 2092100300042 2.0720E+01 3.9000E+01 1.0000E+00 2092100300043 ENDDATA 26 0 2092100300044 ENDSUBENT 43 0 2092100399999 SUBENT 20921004 20201210 22962092100400001 BIB 7 13 2092100400002 REACTION (13-AL-27(N,2N)13-AL-26-M,,SIG) 2092100400003 DECAY-DATA (13-AL-26-M,6.7SEC,AR,511.,2.0) 2092100400004 MONITOR (13-AL-27(N,P)12-MG-27,,SIG) 2092100400005 DECAY-MON (12-MG-27,9.5MIN,B-,,1.0,DG,172.,0.007,DG,843.,0.3, 2092100400006 DG,1015.,0.3) Only the 843 keV gamma from the 1/2+ 2092100400007 to the ground state transition in Al-27 was used. 2092100400008 STATUS (TABLE) Table 1 of Nucl.Phys. 19,(5),535,1960 2092100400009 CORRECTION 1.Background. 2092100400010 2.Difference in detector efficiency between 2092100400011 monitor and sample photopeaks. 2092100400012 3.Self-absorption in the samples. 2092100400013 HISTORY (20201210U) SD: DECAY-DATA corrected (the energy of 2092100400014 radiation was multiplied by 1000). 2092100400015 ENDBIB 13 0 2092100400016 NOCOMMON 0 0 2092100400017 DATA 3 9 2092100400018 EN DATA DATA-ERR 2092100400019 MEV MB MB 2092100400020 16.20 15. 2. 2092100400021 16.29 19. 3. 2092100400022 16.84 27. 4. 2092100400023 17.24 60. 9. 2092100400024 17.40 60. 9. 2092100400025 17.83 54. 8. 2092100400026 18.19 85. 13. 2092100400027 19.05 131. 20. 2092100400028 20.20 144. 22. 2092100400029 ENDDATA 11 0 2092100400030 ENDSUBENT 29 0 2092100499999 ENDENTRY 4 0 2092199999999