ENTRY 21049 19790918 00002104900000001 SUBENT 21049001 19790918 00002104900100001 BIB 13 24 2104900100002 INSTITUTE (2UK BIR) 2104900100003 REFERENCE (J,NSP/B,9,10,7610) 2104900100004 AUTHOR (A.B.M.G.MOSTAFA) 2104900100005 TITLE -MEASUREMENTS OF RELATIVE NEUTRON ACTIVATION CROSS 2104900100006 SECTIONS OF AL-27(N,P)MG-27, AL-27(N,A)NA-24, 2104900100007 MG-24(N,P)NA-24 AND FE-56(N,P)MN-56 REACTIONS IN 2104900100008 THE ENERGY RANGE OF 4.5 TO 8.35 MEV-. 2104900100009 FACILITY (CYCLO) THE NUFFIELD CYCLOTRON. 2104900100010 INC-SOURCE (P-T ) THE T(P,N) REACTION USING 10.2 MEV PROTONS ON 2104900100011 A DOUBLE-WINDOWED TRITIUM GAS TARGET. 2104900100012 METHOD (ACTIV) ACTIVATION. 2104900100013 DETECTOR (GEMUC) AN END-WINDOW G.M. COUNTER. 2104900100014 PART-DET (B ) BETAS. 2104900100015 STATUS .DATA TAKEN FROM REFERENCE. 2104900100016 HISTORY (790821C) CN. 2104900100017 (790918E) 2104900100018 CORRECTION .CORRECTIONS FOR DETECTOR EFFICIENCY, RELATIVE NEUTRON 2104900100019 YIELDS AT DIFFERENT ANGLES, SOLID ANGLES AND 2104900100020 VARIATION OF THE MASS BETWEEN THE FOILS HAVE BEEN 2104900100021 APPLIED. 2104900100022 ERR-ANALYS .TOTAL ERRORS CONSIST OF ERRORS FROM THE STATISTICAL 2104900100023 ACCURACY, THE ACTIVITY COUNTING, THE G.M. COUNTER 2104900100024 INTERCALIBRATION, THE NEUTRON YIELD MEASUREMENTS AND 2104900100025 THE ACTIVITIES DUE TO BACKGROUND NEUTRONS. 2104900100026 ENDBIB 24 0 2104900100027 NOCOMMON 0 0 2104900100028 ENDSUBENT 27 0 2104900199999 SUBENT 21049002 19800311 00002104900200001 BIB 6 8 2104900200002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 2104900200003 SAMPLE .AL-FOILS, 25 MM IN DIAMETER AND 1.5 MM THICK. 2104900200004 DECAY-DATA (12-MG-27,,B) NO OTHER INFORMATION GIVEN. 2104900200005 MONITOR .THE RELATIVE CROSS SECTIONS WERE NORMALIZED TO THE 2104900200006 ABSOLUTE CROSS SECTION AT EN = 7.1 MEV REPORTED BY 2104900200007 HUGHES AND SCHWARTZ, BNL-325. 2104900200008 STATUS .TABLE 1. 2104900200009 HISTORY (790821C) 2104900200010 ENDBIB 8 0 2104900200011 COMMON 1 3 2104900200012 EN-NRM 2104900200013 MEV 2104900200014 7.1000E+00 2104900200015 ENDCOMMON 3 0 2104900200016 DATA 5 6 2104900200017 EN +EN-RSL -EN-RSL DATA DATA-ERR 2104900200018 MEV MEV MEV MB MB 2104900200019 4.4200E+00 1.5000E-01 5.5000E-01 1.2000E+01 1.3000E+00 2104900200020 5.0000E+00 4.0000E-01 4.0000E-01 2.7000E+01 2.0000E+00 2104900200021 6.1000E+00 4.0000E-01 4.0000E-01 4.3000E+01 3.0000E+00 2104900200022 7.1000E+00 3.5000E-01 3.5000E-01 6.2000E+01 4.0000E+00 2104900200023 8.0000E+00 2.5000E-01 2.5000E-01 7.5000E+01 4.0000E+00 2104900200024 8.3500E+00 1.2000E-01 1.2000E-01 8.6000E+01 5.0000E+00 2104900200025 ENDDATA 8 0 2104900200026 ENDSUBENT 25 0 2104900299999 SUBENT 21049003 19860306 00002104900300001 BIB 6 11 2104900300002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 2104900300003 SAMPLE .AL-FOILS, 25 MM IN DIAMETER AND 1.5 MM THICK. 2104900300004 DECAY-DATA (11-NA-24-G,,B) NO OTHER INFORMATION GIVEN. 2104900300005 COMMENT .THE RELATIVE CROSS SECTIONS WERE NORMALIZED TO THE 2104900300006 ABSOLUTE CROSS SECTION AT EN = 8.35 MEV REPORTED BY 2104900300007 BUTLER AND SANTRY, CAN. J. PHYS. 41(1963)372. 2104900300008 STATUS .TABLE 1. 2104900300009 HISTORY (790821C) 2104900300010 (790918E) 2104900300011 (860306A)N.CH 2104900300012 (860411E) 2104900300013 ENDBIB 11 0 2104900300014 NOCOMMON 0 0 2104900300015 DATA 5 8 2104900300016 EN +EN-RSL -EN-RSL DATA DATA-ERR 2104900300017 MEV MEV MEV MB MB 2104900300018 5.8000E+00 1.8000E-01 6.2000E-01 1.5700E+00 1.8000E-01 2104900300019 6.3000E+00 2.0000E-01 6.0000E-01 4.3000E+00 3.6000E-01 2104900300020 6.7000E+00 2.2000E-01 5.2000E-01 1.2000E+01 1.0000E+00 2104900300021 7.1000E+00 3.5000E-01 3.5000E-01 2.2000E+01 1.6000E+00 2104900300022 7.5500E+00 3.0000E-01 3.0000E-01 2.8000E+01 2.0000E+00 2104900300023 8.0000E+00 2.5000E-01 2.5000E-01 3.7000E+01 2.7000E+00 2104900300024 8.2500E+00 1.8000E-01 1.8000E-01 4.5000E+01 3.0000E+00 2104900300025 8.3500E+00 1.2000E-01 1.2000E-01 6.0000E+01 4.0000E+00 2104900300026 ENDDATA 10 0 2104900300027 ENDSUBENT 26 0 2104900399999 SUBENT 21049004 19860609 00002104900400001 BIB 6 12 2104900400002 REACTION (12-MG-24(N,P)11-NA-24,,SIG) 2104900400003 SAMPLE .MAGNESIUM OXIDE PELLETS, 19 MM IN DIAMETER, 1 MM 2104900400004 THICK AND WEIGHTING 1.12 GRAMS. 2104900400005 DECAY-DATA (11-NA-24-G,,B) NO OTHER INFORMATION GIVEN. 2104900400006 MONITOR .THE RELATIVE CROSS SECTIONS WERE NORMALIZED TO THE 2104900400007 ABSOLUTE CROSS SECTION AT EN = 8.35 MEV REPORTED BY 2104900400008 BUTLER AND SANTRY. 2104900400009 STATUS .TABLE 1. 2104900400010 HISTORY (790821C) 2104900400011 (790918E) 2104900400012 (860228A) N.CH 2104900400013 (860411E) 2104900400014 ENDBIB 12 0 2104900400015 NOCOMMON 0 0 2104900400016 DATA 5 5 2104900400017 EN +EN-RSL -EN-RSL DATA DATA-ERR 2104900400018 MEV MEV MEV MB MB 2104900400019 6.3000E+00 2.0000E-01 5.0000E-01 5.6000E+00 7.0000E-01 2104900400020 6.5500E+00 3.3000E-01 3.3000E-01 3.9500E+01 2.7000E+00 2104900400021 7.1000E+00 3.0000E-01 3.0000E-01 5.2700E+01 3.7000E+00 2104900400022 8.0000E+00 2.0000E-01 2.0000E-01 9.6000E+01 6.7000E+00 2104900400023 8.3500E+00 1.0000E-01 1.0000E-01 1.2000E+02 8.4000E+00 2104900400024 ENDDATA 7 0 2104900400025 ENDSUBENT 24 0 2104900499999 SUBENT 21049005 19800311 00002104900500001 BIB 6 8 2104900500002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 2104900500003 SAMPLE .FE-FOILS, 25 MM IN DIAMETER AND 1.5 MM THICK. 2104900500004 DECAY-DATA (25-MN-56,,B) NO OTHER INFORMATION GIVEN. 2104900500005 MONITOR .THE RELATIVE CROSS SECTIONS WERE NORMALIZED TO THE 2104900500006 ABSOLUTE CROSS SECTION AT EN = 8.35 MEV REPORTED BY 2104900500007 SANTRY AND BUTLER, CAN.J.PHYS. 42(1969)1030. 2104900500008 STATUS .TABLE 1. 2104900500009 HISTORY (790821C) 2104900500010 ENDBIB 8 0 2104900500011 COMMON 1 3 2104900500012 EN-NRM 2104900500013 MEV 2104900500014 8.3500E+00 2104900500015 ENDCOMMON 3 0 2104900500016 DATA 5 5 2104900500017 EN +EN-RSL -EN-RSL DATA DATA-ERR 2104900500018 MEV MEV MEV MB MB 2104900500019 5.2000E+00 2.0000E-01 6.0000E-01 3.3000E+00 4.0000E-01 2104900500020 6.1000E+00 4.0000E-01 4.0000E-01 1.3800E+01 8.0000E-01 2104900500021 7.1000E+00 3.5000E-01 3.5000E-01 2.5700E+01 1.6000E+00 2104900500022 8.0000E+00 2.5000E-01 2.5000E-01 2.9000E+01 1.7000E+00 2104900500023 8.3500E+00 1.2000E-01 1.2000E-01 4.3000E+01 2.5000E+00 2104900500024 ENDDATA 7 0 2104900500025 ENDSUBENT 24 0 2104900599999 ENDENTRY 5 0 2104999999999