ENTRY 10186 20210922 14871018600000001 SUBENT 10186001 20210922 14871018600100001 BIB 13 30 1018600100002 INSTITUTE (1USASMU) 1018600100003 REFERENCE (J,NP/A,170,193,1971) 1018600100004 AUTHOR (G.N.Salaita) 1018600100005 TITLE Absolute neutron cross sections for the production of 1018600100006 the Na-24 isomer from magnesium and aluminum. 1018600100007 FACILITY (VDG,1USASMU) 400 keV Van de Graaff. 1018600100008 INC-SOURCE (D-T) 300 keV deuterons. Yield measured by 1018600100009 associated-particle technique with a silicon 1018600100010 surface-barrier detector. 1018600100011 SAMPLE Ring samples, 8.26 cm I.D.X13.34 cm O.D.X1.78 cm thick.1018600100012 METHOD (ACTIV) Cyclic activation technique. 1018600100013 DETECTOR (GELI) 4.8 cm**3 Ge(Li) detector, shielded by tungsten 1018600100014 cone 16.51 cm long. 1018600100015 MONITOR Detection efficiency and gamma self-absorption 1018600100016 in sample determined using standard gamma sources 1018600100017 (7Be, 65Zn, 60Co). 1018600100018 ERR-ANALYS (ERR-T) Principle errors (quadratic sum about 10%): 1018600100019 (ERR-1,7.,8.) Determination of gamma yield (7-8%), 1018600100020 (ERR-2,4.,5.) Neutron flux (believed to Be 4-5%). 1018600100021 (ERR-3) Neutron multiple scattering error 1018600100022 (estimated ~2%), 1018600100023 (ERR-4) Background subtraction error (about 2%). 1018600100024 STATUS (APRVD) Approved by author. 1018600100025 (TABLE) Table 1 and text, both on p.198 of 1018600100026 Nucl.Phys.A170,193,1971 1018600100027 HISTORY (19711203C) 1018600100028 (19820916A) Converted to reaction formalism 1018600100029 (20010214A) Converted to new date formats, lower case. 1018600100030 (20210825A) OS. ERR-ANALYS updated, reaction codes in 1018600100031 subs.2,3 modified, minor BIB changes 1018600100032 ENDBIB 30 0 1018600100033 COMMON 3 3 1018600100034 EN ERR-3 ERR-4 1018600100035 MEV PER-CENT PER-CENT 1018600100036 14.8 2. 2. 1018600100037 ENDCOMMON 3 0 1018600100038 ENDSUBENT 37 0 1018600199999 SUBENT 10186002 20210922 14871018600200001 BIB 3 3 1018600200002 REACTION (13-AL-27(N,A)11-NA-24-L,,SIG) 1018600200003 DECAY-DATA (11-NA-24-L,19.6MSEC,DG,472.48) 1018600200004 HISTORY (20210825A) Isomer code changed to L 1018600200005 ENDBIB 3 0 1018600200006 NOCOMMON 0 0 1018600200007 DATA 2 1 1018600200008 DATA ERR-T 1018600200009 MB MB 1018600200010 65. 6. 1018600200011 ENDDATA 3 0 1018600200012 ENDSUBENT 11 0 1018600299999 SUBENT 10186003 20210922 14871018600300001 BIB 3 3 1018600300002 REACTION (12-MG-24(N,P)11-NA-24-L,,SIG) 1018600300003 DECAY-DATA (11-NA-24-L,19.6MSEC,DG,472.48) 1018600300004 HISTORY (20210825A) Isomer code changed to L 1018600300005 ENDBIB 3 0 1018600300006 NOCOMMON 0 0 1018600300007 DATA 2 1 1018600300008 DATA ERR-T 1018600300009 MB MB 1018600300010 138. 14. 1018600300011 ENDDATA 3 0 1018600300012 ENDSUBENT 11 0 1018600399999 SUBENT 10186004 20210922 14871018600400001 BIB 1 1 1018600400002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 1018600400003 ENDBIB 1 0 1018600400004 NOCOMMON 0 0 1018600400005 DATA 2 1 1018600400006 DATA ERR-T 1018600400007 MB MB 1018600400008 75. 6. 1018600400009 ENDDATA 3 0 1018600400010 ENDSUBENT 9 0 1018600499999 SUBENT 10186005 20210922 14871018600500001 BIB 1 1 1018600500002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 1018600500003 ENDBIB 1 0 1018600500004 NOCOMMON 0 0 1018600500005 DATA 2 1 1018600500006 DATA ERR-T 1018600500007 MB MB 1018600500008 111. 9. 1018600500009 ENDDATA 3 0 1018600500010 ENDSUBENT 9 0 1018600599999 ENDENTRY 5 0 1018699999999