ENTRY G4047 20131105 G029G404700000001 SUBENT G4047001 20131105 G029G404700100001 BIB 13 31 G404700100002 TITLE Isomer ratios for 52Mg-product of photonuclear reactionG404700100003 54Fe(gamma,np)52m,g Mg G404700100004 AUTHOR (O.A.Bezshyyko,A.N.Dovbnya,L.O.Golinka-Bezshyyko, G404700100005 I.M.Kadenko,O.O.Kivernyk,V.V.Krylov,V.A.Kushnir, G404700100006 V.V.Mitrochenko,S.M.Olejnik,G.E.Tuller,D.N.Vodin) G404700100007 INSTITUTE (4UKRKGU,4UKRKFT) G404700100008 REFERENCE (C,2012KYIV,,132,2013) G404700100009 INC-SOURCE (BRST) 1.05 mm Ta converter with 32 to 84 MeV electron G404700100010 FACILITY (LINAC,4UKRKFT) Linear electron accelerator LU-40 with G404700100011 tantalum target in Research and Development Complex G404700100012 "Accelerator" NSC KIPT. G404700100013 Instability of electron beam intensity was within 2%. G404700100014 METHOD (ACTIV) Induced gamma-activity was measured. G404700100015 DETECTOR (HPGE) Resolution of 1.9 keV for Co-60 line 1332 keV. G404700100016 SAMPLE (26-FE-54,ENR=0.9985) Enriched (99.85%) 54Fe sample G404700100017 were formed as metal disks of iron 10 mm in diameter G404700100018 and 236mg mass for first sample (215mg for second one).G404700100019 ADD-RES (COMP) Experimental data are compared with theoretical G404700100020 predictions calculated with TALYS code. G404700100021 ERR-ANALYS (ERR-T) The uncertainties include contributions from G404700100022 photopeak efficiency calibration (2%), abundance(<1 %),G404700100023 geometry configuration (2%) and intensities of G404700100024 gamma-rays (3%, excluding case for 43.6 MeV). G404700100025 Statistical uncertainties of photopeak areas were the G404700100026 major contributors to total uncertainty of result. G404700100027 (ERR-1)photopeak efficiency calibration (2%), G404700100028 (ERR-2)geometry configuration (2%), G404700100029 (ERR-3,,1.)abundance(<1 %). G404700100030 (ERR-4)gamma intensities G404700100031 STATUS (TABLE) Table in text G404700100032 HISTORY (20131101C) UKRNDC G404700100033 ENDBIB 31 0 G404700100034 COMMON 2 3 G404700100035 ERR-1 ERR-2 G404700100036 PER-CENT PER-CENT G404700100037 2. 2. G404700100038 ENDCOMMON 3 0 G404700100039 ENDSUBENT 38 0 G404700199999 SUBENT G4047002 20131105 G029G404700200001 BIB 3 7 G404700200002 REACTION (26-FE-54(G,X)25-MN-52-G/M,,SIG/RAT,,BRA) G404700200003 The isomeric yield ratio d = Yg/Ym G404700200004 DECAY-DATA (25-MN-52-G,,DG,1434.) 6+ G404700200005 (25-MN-52-M,,DG,1434.) 2+ G404700200006 Nuclides decay data were taken from ENSDF database. G404700200007 CORRECTION Gamma-line 168.7 keV(due to decay of 52Fe ground state)G404700200008 is used to take into account a precursor contribution. G404700200009 ENDBIB 7 0 G404700200010 NOCOMMON 0 0 G404700200011 DATA 4 3 G404700200012 EN-MAX DATA ERR-T ERR-4 G404700200013 MEV NO-DIM NO-DIM PER-CENT G404700200014 32.8 0.123 0.005 3. G404700200015 38.3 0.124 0.005 3. G404700200016 43.6 0.146 0.09 G404700200017 ENDDATA 5 0 G404700200018 ENDSUBENT 17 0 G404700299999 ENDENTRY 2 0 G404799999999