ENTRY 22696 20160915 225222696 0 1 SUBENT 22696001 20160915 225222696 1 1 BIB 15 85 22696 1 2 TITLE Incineration of 241-Am induced by thermal neutrons 22696 1 3 AUTHOR (G.Fioni, M.Cribier, M.Aubert, S.Ayrault, O.Deruelle, 22696 1 4 M.Fadil, A.Letourneau, T.Bolognese, J.-M.Cavedon, 22696 1 5 F.Marie, A.Gaudry, F.Gunsing, F.Chartier, R.Plukiene, 22696 1 6 D.Ridikas, F.Doneddu, I.Almahamid, Ph.Leconte, 22696 1 7 F.Lelievre, D.A.Shaughnessy, H.Faust, P.Mutti, 22696 1 8 G.Simpson, J.Martino, R.Olivier, A.Pluquet, M.Spiro, 22696 1 9 C.Veyssiere, I.Tsekhanovich, S.Roettger) 22696 1 10 INSTITUTE (2FR SAC) Fioni, Deruelle, Fadil, Letourneau, Marie, 22696 1 11 Plukiene, Ridikas,Cribier,Bolognese, Gunsing, 22696 1 12 Leconte, Lelievre, Martino, Pluquet, Spiro, 22696 1 13 Veyssiere, Cavedon, Aubert, Chartier, Doneddu, 22696 1 14 Roettger 22696 1 15 (2FR ILL) Faust, Mutti, Simpson, Tsekhanovich, 22696 1 16 Leconte, Olivier 22696 1 17 (1USABRK) Almahamid, Shaughnessy 22696 1 18 (2GERPTB) Roettger 22696 1 19 REFERENCE (J,NP/A,693,546,2001) Main reference 22696 1 20 #doi:10.1016/S0375-9474(01)00920-4 22696 1 21 (J,NSTS,2,(2),876,200208) Conf.proceedings 22696 1 22 (J,ASL,49,1,1999) Preliminary results 22696 1 23 (S,AIP-447,52,1998) Preliminary results 22696 1 24 FACILITY (REAC,2FR ILL) Institute Laue-Langevin high-flux 22696 1 25 reactor 22696 1 26 INC-SOURCE (REAC) Evacuated inclined beam tube 22696 1 27 METHOD (MASSP) Mass-spectrometry of irradiated samples 22696 1 28 (GSPEC) Gamma-spectrum analysis 22696 1 29 MONITOR (26-FE-58(N,G)26-FE-59,,SIG) 22696 1 30 A 20 mg natural iron wire, canned in a quartz ampoule,22696 1 31 was irradiated together with each 241Am sample to 22696 1 32 measure the integral thermal neutron fluence. 22696 1 33 DECAY-MON (26-FE-59,44.5D,DG,1291.6) 22696 1 34 SAMPLE .Twelve samples of 241Am oxide containing each near 22696 1 35 30 microgram 241Am oxide sealed in quartz ampule 22696 1 36 .Sample irradiation - 22696 1 37 241Am mass irradiation duration neutron flux 22696 1 38 microgram days n/cm2/sec 22696 1 39 ------------ -------------------- -------------- 22696 1 40 29.52+-0.53 2.08E-2=30 min. 6.E+14 22696 1 41 29.94+-0.47 0.95 6.E+14 22696 1 42 30.21+-0.54 2.01 6.E+14 22696 1 43 27.89+-0.50 5.02 6.E+14 22696 1 44 31.52+-0.57 10.98 6.E+14 22696 1 45 25.24+-0.45 10.98 6.E+14 22696 1 46 25.32+-0.46 19.03 6.E+14 22696 1 47 38.14+-0.69 19.03 6.E+14 22696 1 48 37.92+-0.68 5.01 2.E+13 22696 1 49 27.95+-0.50 11.01 2.E+13 22696 1 50 29.81+-0.54 24.0 2.E+13 22696 1 51 29.85+-0.54 24.0 2.E+13 22696 1 52 .Initial composition of samples is - 22696 1 53 Np-237/Am-241 = (25.3 +- 0.8)E-3 22696 1 54 Pu-239/Am-241 = (3.63 +- 0.04)E-3 22696 1 55 Pu-238/Pu-239 = (11.32 +- 0.20)E-3 22696 1 56 Pu-240/Pu-239 = (371.9 +- 1.5 )E-3 22696 1 57 Pu-241/Pu-239 = (42.42 +- 0.20)E-3 22696 1 58 Pu-242/Pu-239 = (44.58 +- 0.25)E-3 22696 1 59 PART-DET (A,G) 22696 1 60 DETECTOR (HPGE) Coaxial germanium for gamma detection with 22696 1 61 relative efficiency 15% having a wide range of gamma 22696 1 62 detection from 20 keV to several MeV 22696 1 63 (SOLST) High resolution passivated implanted planar 22696 1 64 silicon (pips) of active area 100 mm2 depleted to 22696 1 65 300 micrometers, resolution is 11.8 keV for 5.486 22696 1 66 alpha energy 22696 1 67 INC-SPECT .Neutrons thermalized to 85% - 100%, flux from 22696 1 68 2.2 x 10**13 n/cm2/sec to 6.0 x 10**14 n/cm2/sec 22696 1 69 ERR-ANALYS (ERR-T) Total error 22696 1 70 (ERR-1) Uncertainty in the neutron flux 22696 1 71 (ERR-2) Uncertainty in detector efficiency 22696 1 72 (ERR-3) Uncertainty in gamma branching 22696 1 73 (ERR-4) Uncertainty in beta decay 22696 1 74 HISTORY (20030317C) J.O.S. 22696 1 75 (20051201A) Reference and new subents added. 22696 1 76 Bib-information added from main reference 22696 1 77 (20090506U) Upper case in author names changed to lower22696 1 78 (20110207A) SD: Author's name corrected (M.Gribier => 22696 1 79 M.Cribier). DOI added. Conf. abstract ref. deleted. 22696 1 80 Cosmetic changes in Subents 002-007 22696 1 81 (20121229A) SD: Title was changed. REACTION code was 22696 1 82 changed in Subent 3, DECAY-DATA was added to Subent 4 22696 1 83 and Subent 7. 22696 1 84 (20151215A) SD: DECAY-DATA corrected in Subent 005. 22696 1 85 STATUS 'COREL' deleted. 22696 1 86 (20160915U) SD: Ref. AIP-447,52 was added. 22696 1 87 ENDBIB 85 0 22696 1 88 COMMON 5 3 22696 1 89 EN-MEAN ERR-1 ERR-2 ERR-3 ERR-4 22696 1 90 EV PER-CENT PER-CENT PER-CENT PER-CENT 22696 1 91 2.53E-02 4.0 1.0 2.54 1.90 22696 1 92 ENDCOMMON 3 0 22696 1 93 ENDSUBENT 92 0 22696 199999 SUBENT 22696002 20110207 22262269600200001 BIB 5 9 2269600200002 REACTION (95-AM-241(N,G)95-AM-242,,SIG,,MXW) 2269600200003 DECAY-DATA (95-AM-242-G,16.02HR,DG) 2269600200004 SAMPLE .Several samples of 241Am oxide containing each near 2269600200005 30 microgram 241Am oxide sealed in quartz ampule 2269600200006 STATUS (TABLE) .From section entitled ('final results of the 2269600200007 241Am transmutation study'), NSTS,2,(2),876,200208. 2269600200008 Confirmed in final publication: NP/A,693,546,2001 2269600200009 (COREL,22941003) 2269600200010 HISTORY (20051201A) REACTION SF4 corrected 2269600200011 ENDBIB 9 0 2269600200012 NOCOMMON 0 0 2269600200013 DATA 2 1 2269600200014 DATA ERR-T 2269600200015 B B 2269600200016 696. 48. 2269600200017 ENDDATA 3 0 2269600200018 ENDSUBENT 17 0 2269600299999 SUBENT 22696003 20121229 22342269600300001 BIB 5 14 2269600300002 REACTION (95-AM-241(N,G)95-AM-242-G/T,,SIG/RAT,,MXW) 2269600300003 DECAY-DATA (95-AM-242-G,16.02HR,DG) 2269600300004 SAMPLE .Several samples of 241-Am oxide containing each near 2269600300005 30 microgram 241Am oxide sealed in quartz ampule 2269600300006 STATUS (TABLE) .From section entitled ('final results of the 2269600300007 241Am transmutation study'), NSTS,2,(2),876,200208. 2269600300008 Confirmed in final publication: 2269600300009 NP/A,693,546,2001 (p.557) 2269600300010 (DEP,22696002) 2269600300011 (COREL,22941002) Data from C,2009BUDA,81 (see 22941002)2269600300012 complement measurements presented in this Subent 2269600300013 for Am-241. 2269600300014 HISTORY (20051201U) BIB Updated 2269600300015 (20121229A) SD: REACTION code was changed. 2269600300016 ENDBIB 14 0 2269600300017 NOCOMMON 0 0 2269600300018 DATA 2 1 2269600300019 DATA ERR-T 2269600300020 NO-DIM NO-DIM 2269600300021 0.914 0.007 2269600300022 ENDDATA 3 0 2269600300023 ENDSUBENT 22 0 2269600399999 SUBENT 22696004 20121229 22342269600400001 BIB 4 6 2269600400002 REACTION (95-AM-242(N,G)95-AM-243,,SIG,,MXW) 2269600400003 DECAY-DATA (95-AM-242-G,16.02HR,DG) 2269600400004 STATUS (TABLE).From Abstract of NP/A,693,546,2001 2269600400005 HISTORY (20080514A) Am-242-g changed to Am-242 2269600400006 (20080514U) Last checking has been done. 2269600400007 (20121229A) SD: DECAY-DATA was added 2269600400008 ENDBIB 6 0 2269600400009 NOCOMMON 0 0 2269600400010 DATA 2 1 2269600400011 DATA ERR-T 2269600400012 B B 2269600400013 330. 50. 2269600400014 ENDDATA 3 0 2269600400015 ENDSUBENT 14 0 2269600499999 SUBENT 22696005 20151215 224622696 5 1 BIB 7 12 22696 5 2 REACTION (94-PU-242(N,G)94-PU-243,,SIG,,MXW) 22696 5 3 SAMPLE 10 microgram of 99.932% pure 242Pu electrodeposited 22696 5 4 on a 4 micron nickel foil 22696 5 5 MONITOR Al-1%Co monitor irradiated together with 242Pu sample 22696 5 6 METHOD (STTA) Stack target irradiation 22696 5 7 DECAY-DATA (94-PU-242,3.7E+5YR) 22696 5 8 (94-PU-243,4.956HR,DG,85.,,B-) 22696 5 9 (95-AM-243,7370.0YR,A,5275.0,0.874, 22696 5 10 A,5233.0,0.11) 22696 5 11 STATUS (TABLE) From NSTS,2,(2),876,200208. 22696 5 12 HISTORY (20151215A) SD: 4.956yr -> 4.956hr in DECAY-DATA 22696 5 13 following text of NSTS,2,(2),876,2002. 22696 5 14 ENDBIB 12 0 22696 5 15 NOCOMMON 0 0 22696 5 16 DATA 2 1 22696 5 17 DATA ERR-T 22696 5 18 B PER-CENT 22696 5 19 17. 10. 22696 5 20 ENDDATA 3 0 22696 5 21 ENDSUBENT 20 0 22696 599999 SUBENT 22696006 20110207 22262269600600001 BIB 5 6 2269600600002 REACTION (95-AM-241(N,G)95-AM-242-G,,SIG,,MXW) 2269600600003 DECAY-DATA (95-AM-242-G,16.02HR,DG) 2269600600004 SAMPLE .Several samples of 241Am oxide containing each near 2269600600005 30 microgram 241Am oxide sealed in quartz ampule 2269600600006 STATUS (TABLE).From NP/A,693,546,2001, page 557 2269600600007 HISTORY (20051201C) SM 2269600600008 ENDBIB 6 0 2269600600009 NOCOMMON 0 0 2269600600010 DATA 2 1 2269600600011 DATA ERR-T 2269600600012 B B 2269600600013 636. 46. 2269600600014 ENDDATA 3 0 2269600600015 ENDSUBENT 14 0 2269600699999 SUBENT 22696007 20121229 22342269600700001 BIB 4 6 2269600700002 REACTION (95-AM-241(N,G)95-AM-242-M,,SIG,,MXW) 2269600700003 DECAY-DATA (95-AM-242-M,141.YR) 2269600700004 STATUS (TABLE).From NP/A,693,546,2001, page 557 2269600700005 (DEP,22696002) 2269600700006 HISTORY (20051201C) SM 2269600700007 (20121229A) SD: DECAY-DATA was added 2269600700008 ENDBIB 6 0 2269600700009 NOCOMMON 0 0 2269600700010 DATA 2 1 2269600700011 DATA ERR-T 2269600700012 B B 2269600700013 60. 4. 2269600700014 ENDDATA 3 0 2269600700015 ENDSUBENT 14 0 2269600799999 ENDENTRY 7 0 2269699999999