ENTRY 22915 20120614 22322291500000001 SUBENT 22915001 20120614 22322291500100001 BIB 11 43 2291500100002 TITLE Thermal neutron capture cross section for the K-isomer 2291500100003 177mLu 2291500100004 AUTHOR (G.Belier, O.Roig, J.-M.Daugas, O.Giarmana, V.Meot, 2291500100005 A.Letourneau, F.Marie, Y.Foucher, J.Aupiais, D.Abt, 2291500100006 Ch.Jutier, G.Le Petit, C.Bettoni, A.Gaudry, 2291500100007 Ch.Veyssiere, E.Barat, T.Dautremer, J.-Ch.Trama) 2291500100008 INSTITUTE (2FR BRC,2FR SAC) 2291500100009 REFERENCE (J,PR/C,73,014603,2006) effective & 2200 m/s x-sections2291500100010 #doi:10.1103/PhysRevC.73.014603 2291500100011 (J,PR/C,74,054604,2006) Maxwellian averaged x-section 2291500100012 #doi:10.1103/PhysRevC.74.054604 2291500100013 (C,2007NICE,1,463,2007) kT=0.0253 eV Max.av. x-section 2291500100014 #doi:10.1051/ndata:07249 2291500100015 REL-REF (N,22950001,O.Roig+,J,PR/C,74,054604,2006) 2291500100016 Burn-up and inelastic (INNA) cross sections 2291500100017 (M,22950001,O.Roig+,J,NIM/A,521,5,2004) 2291500100018 Lu-177-m sample preparation 2291500100019 SAMPLE Lu-177m obtained by thermal neutron irradiation of 2291500100020 enriched (99.993%) two Lu-176 powder sample (1.25 mg 2291500100021 and 0.31 mg) at ILL high flux reactor (HFR) and 2291500100022 produced by mass separator PARSIFAL. 2291500100023 Hf-177 (after beta-decay of Lu-177g) was chemically 2291500100024 removed after cooling. 2291500100025 METHOD (GSPEC) Ratio of gamma lines from Lu-177m and -178m 2291500100026 having close energies used to cancel efficiency term 2291500100027 DECAY-DATA (71-LU-178-M,23.1MIN,DG,213.41,, 2291500100028 DG,325.6) 2291500100029 (71-LU-177-M,160.44D,DG,214.43,, 2291500100030 DG,327.68) 2291500100031 ADD-RES (DECAY) T1/2(178mLu)=22.7 +/- 1.4 min, 23.7 +/- 1.7 min2291500100032 ERR-ANALYS (DATA-ERR) Olivier Roig (2009-09-02): 2291500100033 These uncertainty values include counting statistics 2291500100034 errors and also all known systematic errors (half-life2291500100035 irradiations, counting and cooling time errors, 2291500100036 complete errors for the flux measurement including 2291500100037 calibrated sample uncertainties). 2291500100038 HISTORY (20060421C) S.M./M.M. 2291500100039 (20060708A) S.M. SUBENT 22915002 split into 002-005 2291500100040 (20081228A) S.M. Correlation to 22950. SUBENT 22915007 2291500100041 changed. BIB-info corrected - SM 2291500100042 (20100714U) M.M. DOIs were corrected. 2291500100043 (20120614C) On. Re-compiled with a letter from O.Roig 2291500100044 Subent 008 deleted ...?? 2291500100045 ENDBIB 43 0 2291500100046 NOCOMMON 0 0 2291500100047 ENDSUBENT 46 0 2291500199999 SUBENT 22915002 20120614 22322291500200001 BIB 7 14 2291500200002 REACTION 1(71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW) 2291500200003 2(71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW/FCT) 2291500200004 Maxwellian averaged capture cross section by the 2291500200005 Westcott convention multiplied by sqrt(pi)/2 2291500200006 FACILITY (REAC,2FR SAC) ORPHEE/p1 (T=323 K) 2291500200007 INC-SPECT - Neutron flux=1.077e+13 n/cm2/s determined by Al/Au 2291500200008 - Epithermal/thermal-ratio=0.0005 2291500200009 SAMPLE Data are average for the following two samples: 2291500200010 #1. Isomer: (1.71+/-0.05)E+11 atoms, m/g-ratio: 111.112291500200011 #2. Isomer: (3.05+/-0.08)E+11 atoms, m/g-ratio: 111.112291500200012 METHOD (ACTIV) Irradiated for 9 min, cooled for 6 and 13 min 2291500200013 MISC-COL (MISC) Epithermal/thermal neutron flux ratio 2291500200014 STATUS 1(TABLE) Table III of Phys.Rev.C73(2006)014603 2291500200015 2(TABLE) Table II of Phys.Rev.C74(2006)054604 2291500200016 ENDBIB 14 0 2291500200017 NOCOMMON 0 0 2291500200018 DATA 6 1 2291500200019 KT-K DATA 1DATA-ERR 1DATA 2DATA-ERR 2MISC 2291500200020 K B B B B NO-DIM 2291500200021 323. 418. 28. 370. 25. 0.0005 2291500200022 ENDDATA 3 0 2291500200023 ENDSUBENT 22 0 2291500299999 SUBENT 22915003 20120614 22322291500300001 BIB 7 8 2291500300002 REACTION (71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW) 2291500300003 FACILITY (REAC,2FR SAC) OSIRIS/beta 1 (T=308 K) 2291500300004 INC-SPECT - Neutron flux=1.16e+14 n/cm2/s determined by Fe & Zr 2291500300005 - Epithermal/thermal-ratio=0.031 2291500300006 SAMPLE #3. Isomer: (4.5 +/-0.44)E+10 atoms, m/g ratio: 111.11 2291500300007 METHOD (ACTIV) Irradiated for 26 min, cooled for 94 min 2291500300008 MISC-COL (MISC) Epithermal/thermal neutron flux ratio 2291500300009 STATUS (TABLE) Table III of Phys.Rev.C73(2006)014603 2291500300010 ENDBIB 8 0 2291500300011 NOCOMMON 0 0 2291500300012 DATA 4 1 2291500300013 KT-K DATA DATA-ERR MISC 2291500300014 K B B NO-DIM 2291500300015 308. 411. 97. 0.031 2291500300016 ENDDATA 3 0 2291500300017 ENDSUBENT 16 0 2291500399999 SUBENT 22915004 20120614 22322291500400001 BIB 7 8 2291500400002 REACTION (71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW) 2291500400003 FACILITY (REAC,2FR SAC) OSIRIS/alpha 1 (T=308 K) 2291500400004 INC-SPECT - Neutron flux=7.21e+13 n/cm2/s determined by Fe & Zr 2291500400005 - Epithermal/thermal-ratio=0.029 2291500400006 SAMPLE #4. Isomer: (1.22+/-0.16)E+10 atoms, m/g ratio: 111.11 2291500400007 METHOD (ACTIV) Irradiated for 26 min, cooled for 70 min 2291500400008 MISC-COL (MISC) Epithermal/thermal neutron flux ratio 2291500400009 STATUS (TABLE) Table III of Phys.Rev.C73(2006)014603 2291500400010 ENDBIB 8 0 2291500400011 NOCOMMON 0 0 2291500400012 DATA 4 1 2291500400013 KT-K DATA DATA-ERR MISC 2291500400014 K B B NO-DIM 2291500400015 308. 424. 73. 0.029 2291500400016 ENDDATA 3 0 2291500400017 ENDSUBENT 16 0 2291500499999 SUBENT 22915005 20120614 22322291500500001 BIB 7 12 2291500500002 REACTION 1(71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW) 2291500500003 2(71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW/FCT) 2291500500004 Maxwellian averaged capture cross section by the 2291500500005 Westcott convention multiplied by sqrt(pi)/2 2291500500006 FACILITY (REAC,2FR ILL) HFR/H9 2291500500007 INC-SPECT - Neutron flux=5.52e+14 n/cm2/s determined by Al/Co 2291500500008 - Epithermal/thermal-ratio=0.015 2291500500009 SAMPLE #5. Isomer: (9.40+/-0.78)E+11 atoms, m/g ratio: 10 2291500500010 METHOD (ACTIV) Irradiated for 23 min, cooled for 21.3 min 2291500500011 MISC-COL (MISC) Epithermal/thermal neutron flux ratio 2291500500012 STATUS 1(TABLE) Table III of Phys.Rev.C73(2006)014603 2291500500013 2(TABLE) Table II of Phys.Rev.C74(2006)054604 2291500500014 ENDBIB 12 0 2291500500015 NOCOMMON 0 0 2291500500016 DATA 6 1 2291500500017 KT-K DATA 1DATA-ERR 1DATA 2DATA-ERR 2MISC 2291500500018 K B B B B NO-DIM 2291500500019 323. 413. 60. 366. 53. 0.015 2291500500020 ENDDATA 3 0 2291500500021 ENDSUBENT 20 0 2291500599999 SUBENT 22915006 20120614 22322291500600001 BIB 4 13 2291500600002 REACTION (71-LU-177-M(N,G)71-LU-178-M,,SIG) 2291500600003 ANALYSIS - Resonance integral=-300+/-3900 b from ORPHEE and HFR.2291500600004 - g-factor does not vary significantly between 308 and 2291500600005 323 K. 2291500600006 Therefore resonance integral was considered as zero, 2291500600007 and g-factor was assumed to be 1. 2291500600008 COMMENT Olivier Roig (2009-09-02): 2291500600009 This is the point 2200 m/s cross section. 2291500600010 STATUS (TABLE) Text (p014603-4) of Phys.Rev.C73(2006)014603 2291500600011 (DEP,22915002) effective x-section at ORPHEE p1 2291500600012 (DEP,22915003) effective x-section at OSIRIS beta 1 2291500600013 (DEP,22915004) effective x-section at OSIRIS alpha 1 2291500600014 (DEP,22915005) effective x-section at HFR/H9 2291500600015 ENDBIB 13 0 2291500600016 NOCOMMON 0 0 2291500600017 DATA 3 1 2291500600018 EN DATA DATA-ERR 2291500600019 EV B B 2291500600020 0.0253 417. 26. 2291500600021 ENDDATA 3 0 2291500600022 ENDSUBENT 21 0 2291500699999 SUBENT 22915007 20120614 22322291500700001 BIB 5 12 2291500700002 REACTION (71-LU-177(N,G)71-LU-178-M,,SIG) 2291500700003 ANALYSIS Initial Lu-176 activity and Lu-177-g activity after 2291500700004 irradiation were used. 2291500700005 If the target having the largest Lu-177-g population, 2291500700006 this activity represents 3.44% of the Lu-178-m 2291500700007 activity, which is far less than the 177mLu(n,g) 2291500700008 cross section uncertainties, and therefore no 2291500700009 correction was made to 177mLu(n,g) cross sections. 2291500700010 REL-REF (A,41011004,V.P.Vertebnyy+,C,87KIEV,2,204,1987) 2291500700011 1000 +/- 300 barn 2291500700012 STATUS (TABLE) Text (p014603-4) of Phys.Rev.C73(2006)014603 2291500700013 HISTORY (20081228A) Reaction corrected, data changed 2291500700014 ENDBIB 12 0 2291500700015 NOCOMMON 0 0 2291500700016 DATA 3 1 2291500700017 EN DATA DATA-ERR 2291500700018 EV B B 2291500700019 0.0253 880. 75. 2291500700020 ENDDATA 3 0 2291500700021 ENDSUBENT 20 0 2291500799999 NOSUBENT 22915008 20120614 22322291500800001 SUBENT 22915009 20120614 22322291500900001 BIB 3 10 2291500900002 REACTION (71-LU-177-M(N,G)71-LU-178-M,,SIG,,MXW/FCT) 2291500900003 Maxwellian averaged capture cross section by the 2291500900004 Westcott convention multiplied by sqrt(pi)/2 2291500900005 ANALYSIS - Resonance integral=-300+/-3900 b from ORPHEE and HFR.2291500900006 - g-factor does not vary significantly between 308 and 2291500900007 323 K. 2291500900008 Therefore resonance integral was considered as zero, 2291500900009 and g-factor was assumed to be 1. 2291500900010 STATUS (TABLE) Text (p464) of ND2007 Conf. Proc.1(2007)463 2291500900011 (DEP,22915006) 2200 m/s cross section 2291500900012 ENDBIB 10 0 2291500900013 NOCOMMON 0 0 2291500900014 DATA 3 1 2291500900015 KT DATA DATA-ERR 2291500900016 EV B B 2291500900017 0.0253 369. 23. 2291500900018 ENDDATA 3 0 2291500900019 ENDSUBENT 18 0 2291500999999 ENDENTRY 9 0 2291599999999