ENTRY 22919 20160907 22522291900000001 SUBENT 22919001 20160907 22522291900100001 BIB 16 59 2291900100002 TITLE Measurements of isomeric cross-section ratios for 2291900100003 neutron capture in the resonance region 2291900100004 AUTHOR (X.Ledoux,J.Sigaud,T.Granier,J-P.Lochard,Y.Patin, 2291900100005 P.Pras,C.Varignon,J-M.Laborie,Y.Boulin,F.Gunsig) 2291900100006 INSTITUTE (2FR BRC) Ledoux,Sigaud,Granier,Lochard,Patin,Pras, 2291900100007 Varignon -Service de Physique Nucleare, 2291900100008 Laborie,Boulin -Service de Radioanalyse 2291900100009 (2FR SAC) Gunsig 2291900100010 REFERENCE (J,EPJ/A,27,59,2006) Main reference, data are given 2291900100011 REL-REF (R,,R.B.Firestone+,B,FIRESTONE,,1999) Data base of 2291900100012 http://ie.lbl.gov/toi (Half-lives,E-LVL,radiation) 2291900100013 FACILITY (ACCEL,2FR SAC) Accelerator of D-ions, ion current 2291900100014 15 micro-amp 2291900100015 METHOD (SLODT) Lead slowing-down assembly CIRENE consists of 2291900100016 the lead cube(L=1.2m) composed of 36 elementary cubes 2291900100017 40x40x30 cm3 of 542 kg weight. Rectangular channel 2291900100018 (GSPEC) Gamma-ray Spectroscopy was performed after two 2291900100019 different irradiation duration times. 2291900100020 DETECTOR (HPGE) 90% HPGe coaxial detector was used with 2291900100021 classical spectroscopic chain composed of 2291900100022 pre-amplifier, amplifier and multichannel analyzer. 2291900100023 A shielding of 10cm thick lead (to reduce background 2291900100024 due g-rays coming from concrete) surrounding 1cm 2291900100025 copper(to stop x-rays generated in lead shielding). 2291900100026 (HE3SP) Small He-3 detector for relative flux 2291900100027 monitoring. 2291900100028 INC-SOURCE (D-BE) 12 MeV deuterons impinging beryllium target of 2291900100029 1 mm thickness at centre of lead cube on aluminum 2291900100030 support, liquid cooling system. 2291900100031 INC-SPECT For thermal energy region - Maxwell energy distr. 2291900100032 For resonance energy region - energy area near the 2291900100033 single strong low-energy resonance. Second Energy 2291900100034 point (energy of first main resonance) was not 2291900100035 present in the main reference and was taken from 2291900100036 ENDF/B-6.8 (MF=2,MT=151). 2291900100037 *Aprx 2.x 10**11 neutrons per second source intensity 2291900100038 was defined by MCNP code calculations and 2291900100039 irradiation of gold and tungsten samples. Flux of 2291900100040 1.x 10**8 n/cm2/sec in 0.1 eV - 10 keV energy range. 2291900100041 MONITOR ((MONIT1)79-AU-197(N,G)79-AU-198,,SIG,,RES) For 4.9 eV 2291900100042 resonance 2291900100043 ((MONIT2)74-W-186(N,G)74-W-187,,SIG,,RES) For 18.83 eV 2291900100044 resonance 2291900100045 ((MONIT3)79-AU-197(N,0),,EN) Resonance energy 2291900100046 ((MONIT4)74-W-186(N,0),,EN) Resonance energy 2291900100047 DECAY-MON (79-AU-198-G,2.69D,DG) 2291900100048 (74-W-187,23.72HR) 2291900100049 MONIT-REF (,R.F.Rose,R,BNL-NCS-17541,1991) ENDF/B-VI, Summary 2291900100050 documentation 2291900100051 SAMPLE Studied Isotope was evaporated on high-purity(99.95%) 2291900100052 lead disks of 18 mm diameter and 1mm thick. Samples 2291900100053 were surrounded by 0.8 mm cadmium shielding to 2291900100054 suppress thermal component.Samples were placed inside 2291900100055 dedicated lead bricks (20x10x5 cm3). 2291900100056 Sample Thickness -0.06 (gold), 0.36(silver) 1.E-6 m. 2291900100057 COMMENT .E-mail address of X.Ledoux xavier.ledoux@cea.fr 2291900100058 HISTORY (20060615C) M.M./S.M. 2291900100059 (20160907U) SD: Small correction in REACTION code in 2291900100060 Subent 006. ERR-ANALYS moved to Subents 002-009. 2291900100061 ENDBIB 59 0 2291900100062 COMMON 4 3 2291900100063 MONIT1 MONIT2 MONIT3 MONIT4 2291900100064 B B EV EV 2291900100065 27400. 15000. 4.906 18.83 2291900100066 ENDCOMMON 3 0 2291900100067 ENDSUBENT 66 0 2291900199999 SUBENT 22919002 20160907 22522291900200001 BIB 3 7 2291900200002 REACTION (47-AG-109(N,G)47-AG-110-M/T,,SIG/RAT,,SPA) 2291900200003 Isomeric Ratio for two energies:thermal neutron energy2291900200004 and first main resonance energy 2291900200005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900200006 effects and incomplete gamma detection efficiency 2291900200007 knowledge. 2291900200008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900200009 ENDBIB 7 0 2291900200010 NOCOMMON 0 0 2291900200011 DATA 3 2 2291900200012 EN-DUMMY DATA DATA-ERR 2291900200013 EV NO-DIM NO-DIM 2291900200014 0.0253 5.1E-02 2291900200015 5.19 1.03E-01 2.0E-02 2291900200016 ENDDATA 4 0 2291900200017 ENDSUBENT 16 0 2291900299999 SUBENT 22919003 20160907 22522291900300001 BIB 4 10 2291900300002 REACTION (51-SB-121(N,G)51-SB-122-M/T,,SIG/RAT,,SPA) 2291900300003 Isomeric Ratio for two energies:thermal neutron energy2291900300004 and first main resonance energy 2291900300005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900300006 effects and incomplete gamma detection efficiency 2291900300007 knowledge. 2291900300008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900300009 COMMENT By compiler. Second Energy point (energy of first main2291900300010 resonance) was not present in ref., 2291900300011 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900300012 ENDBIB 10 0 2291900300013 NOCOMMON 0 0 2291900300014 DATA 3 2 2291900300015 EN-DUMMY DATA DATA-ERR 2291900300016 EV NO-DIM NO-DIM 2291900300017 0.0253 9.9E-03 2291900300018 6.24 2.36E-02 0.15E-02 2291900300019 ENDDATA 4 0 2291900300020 ENDSUBENT 19 0 2291900399999 SUBENT 22919004 20160907 22522291900400001 BIB 4 10 2291900400002 REACTION (55-CS-133(N,G)55-CS-134-M/T,,SIG/RAT,,SPA) 2291900400003 Isomeric Ratio for two energies:thermal neutron energy2291900400004 and first main resonance energy 2291900400005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900400006 effects and incomplete gamma detection efficiency 2291900400007 knowledge. 2291900400008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900400009 COMMENT By compiler. Second Energy point (energy of first main2291900400010 resonance) was not present in ref., 2291900400011 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900400012 ENDBIB 10 0 2291900400013 NOCOMMON 0 0 2291900400014 DATA 3 2 2291900400015 EN-DUMMY DATA DATA-ERR 2291900400016 EV NO-DIM NO-DIM 2291900400017 0.0253 8.6E-02 2291900400018 5.86 8.6E-02 1.3E-02 2291900400019 ENDDATA 4 0 2291900400020 ENDSUBENT 19 0 2291900499999 SUBENT 22919005 20160907 22522291900500001 BIB 4 10 2291900500002 REACTION (63-EU-151(N,G)63-EU-152-M1/G+M1,,SIG/RAT,,SPA) 2291900500003 Isomeric Ratio for two energies:thermal neutron energy2291900500004 and first main resonance energy 2291900500005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900500006 effects and incomplete gamma detection efficiency 2291900500007 knowledge. 2291900500008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900500009 COMMENT By compiler.Second Energy point (energy of first main 2291900500010 resonance) was not present in ref., 2291900500011 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900500012 ENDBIB 10 0 2291900500013 NOCOMMON 0 0 2291900500014 DATA 3 2 2291900500015 EN-DUMMY DATA DATA-ERR 2291900500016 EV NO-DIM NO-DIM 2291900500017 0.0253 3.59E-01 2291900500018 0.321 3.64E-01 3.7E-02 2291900500019 ENDDATA 4 0 2291900500020 ENDSUBENT 19 0 2291900599999 SUBENT 22919006 20160907 22522291900600001 BIB 5 11 2291900600002 REACTION (63-EU-151(N,G)63-EU-152-M2/G+M2,,SIG/RAT,,SPA) 2291900600003 Isomeric ratio for two energies:thermal neutron energy2291900600004 and first main resonance energy 2291900600005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900600006 effects and incomplete gamma detection efficiency 2291900600007 knowledge. 2291900600008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900600009 COMMENT By compiler.Second Energy point (energy of first main 2291900600010 resonance) was not present in Ref., 2291900600011 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900600012 HISTORY (20160907U) SD: Small correction in REACTION code 2291900600013 ENDBIB 11 0 2291900600014 NOCOMMON 0 0 2291900600015 DATA 3 2 2291900600016 EN-DUMMY DATA DATA-ERR 2291900600017 EV NO-DIM NO-DIM 2291900600018 0.0253 6.8E-04 2291900600019 0.321 6.7E-04 1.0E-04 2291900600020 ENDDATA 4 0 2291900600021 ENDSUBENT 20 0 2291900699999 SUBENT 22919007 20160907 22522291900700001 BIB 4 9 2291900700002 REACTION (63-EU-153(N,G)63-EU-154-M/T,,SIG/RAT,,SPA) 2291900700003 Isomeric Ratio for first main resonance energy 2291900700004 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900700005 effects and incomplete gamma detection efficiency 2291900700006 knowledge. 2291900700007 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900700008 COMMENT By compiler. Energy point ( energy of main 2291900700009 resonance with spin J=3) was not present in ref., 2291900700010 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900700011 ENDBIB 9 0 2291900700012 NOCOMMON 0 0 2291900700013 DATA 3 1 2291900700014 EN-DUMMY DATA DATA-ERR 2291900700015 EV NO-DIM NO-DIM 2291900700016 2.456 6.7E-04 1.0E-04 2291900700017 ENDDATA 3 0 2291900700018 ENDSUBENT 17 0 2291900799999 SUBENT 22919008 20160907 22522291900800001 BIB 4 10 2291900800002 REACTION (75-RE-187(N,G)75-RE-188-M/T,,SIG/RAT,,SPA) 2291900800003 Isomeric Ratio for two energies:thermal neutron energy2291900800004 and first main resonance energy 2291900800005 ERR-ANALYS (DATA-ERR) Uncertainties take into account statistical 2291900800006 effects and incomplete gamma detection efficiency 2291900800007 knowledge. 2291900800008 STATUS (TABLE) From Table 3 of EPJ/A,27,59,2006 2291900800009 COMMENT By compiler.Second Energy point (energy of first main 2291900800010 resonance) was not present in ref., 2291900800011 was taken from ENDF/B-6.8 (MF=2,MT=151). 2291900800012 ENDBIB 10 0 2291900800013 NOCOMMON 0 0 2291900800014 DATA 3 2 2291900800015 EN-DUMMY DATA DATA-ERR 2291900800016 EV NO-DIM NO-DIM 2291900800017 0.0253 3.7E-02 2291900800018 4.416 3.44E-02 0.31E-02 2291900800019 ENDDATA 4 0 2291900800020 ENDSUBENT 19 0 2291900899999 SUBENT 22919009 20060323 21792291900900001 BIB 9 34 2291900900002 REACTION (71-LU-176(N,G)71-LU-177-M/T,,SIG/RAT,,SPA) 2291900900003 Isomeric Ratio for two energies: of first and second 2291900900004 main resonances 2291900900005 SAMPLE Two Lu-176 samples of 100 microgramm weight, 99.993% 2291900900006 enrichment(purified by isotopic separator PARSIFAL), 2291900900007 put in carbon cylinders,irradiated at same time in 2291900900008 symmetric positions of lead pile during 69 hr. 2291900900009 Isomeric activity measurement during ten days. 2291900900010 DETECTOR (HPGE) Low-background planar HPGe detector of 23 cm2 2291900900011 area, 2cm thick,shielded with electrolitic copper and 2291900900012 lead, was set-up inside the deep undeground laboratory2291900900013 of Modane at Italian-French border under 1700m rock. 2291900900014 DECAY-DATA (71-LU-177-M1,160.4D,DG,208.,, 2291900900015 DG,228.) 2291900900016 (71-LU-176-G,3.79E+10YR,DG,88., 2291900900017 ,DG,201., 2291900900018 ,DG,306.) 2291900900019 METHOD (ACTIV) Activity of Lu-177m at the date of irradiation 2291900900020 end was found (11.9+-1.8)E-3 Bq in Cd shielded sample, 2291900900021 and (13.8+-2.1)E-3 Bq in other sample. 2291900900022 Isomeric activity measurement during ten days. 2291900900023 FLAG (1.) Without Cd.Large part of captures takes place in 2291900900024 main resonance at 0.141 eV. 2291900900025 (2.) With Cd. 2291900900026 ERR-ANALYS (ERR-T) Total error (probably) 2291900900027 (ERR-1) Lu-177m activity uncertainty, 2291900900028 taking into account statistical ucertainty,uncertainty2291900900029 of coincidence-summing correction factors,uncertainty 2291900900030 of detection efficiency. 2291900900031 CORRECTION Correction factors for gamma-peaks of Lu-177m: 1.43 2291900900032 and 1.54. 2291900900033 Correction factors for Lu-176 gamma-peaks 1.57, 1.54, 2291900900034 1.59. 2291900900035 STATUS From Table 4. 2291900900036 ENDBIB 34 0 2291900900037 COMMON 1 3 2291900900038 ERR-1 2291900900039 PER-CENT 2291900900040 15. 2291900900041 ENDCOMMON 3 0 2291900900042 DATA 4 2 2291900900043 EN-DUMMY DATA ERR-T FLAG 2291900900044 EV NO-DIM NO-DIM NO-DIM 2291900900045 0.141 1.06E-03 1.7E-04 1. 2291900900046 1.565 2.81E-03 3.7E-04 2. 2291900900047 ENDDATA 4 0 2291900900048 ENDSUBENT 47 0 2291900999999 ENDENTRY 9 0 2291999999999