ENTRY 30444 20090310 31353044400000001 SUBENT 30444001 20090310 31353044400100001 BIB 13 35 3044400100002 INSTITUTE (3POLIBJ) 3044400100003 AUTHOR (W.Augustyniak,M.Herman,A.Marcinkowski,B.Zwieglinski) 3044400100004 TITLE Cross sections for the (n,2n) reaction on Pd-102, 3044400100005 Pd-110, Cd-112 and Os-192. 3044400100006 FACILITY (VDG,3POLIBJ) 3 MeV Van de Graaff accelerator. 3044400100007 INC-SOURCE (D-T) Tritium absorbed in a Zr foil. 3044400100008 METHOD (ACTIV) 3044400100009 DETECTOR (GELI) 30 cm3 Ge(Li) detector, relative efficiency of 3044400100010 which was determined with use of radioactive sources 3044400100011 Ba-133, Yb-169 and Ra-226. 3044400100012 (CSICR) 3044400100013 neutron flux during irradiation was controlled by 3044400100014 counting the protons recoiled from a polyethylene foil 3044400100015 in a CsI(Tl) crystal. 3044400100016 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) 3044400100017 MONIT-REF (,N.D.DUDEY+,R,BNL-NCS-50446,80,1975)ENDF/B-IV 3044400100018 dosim.file 3044400100019 STATUS (APRVD) Approved by M. Herman, with amendment,78/06/29.3044400100020 HISTORY (19780503C) KO. 3044400100021 (19780919A) KO.-'Aprvd' added,sub.Ent.1,2,6,7 corrected3044400100022 *** Data correction occured in .002 and .006. *** 3044400100023 (20090310A) SD:Updated to new date formats,lower case. 3044400100024 CORRECTION The attenuation of gamma-rays in the samples was 3044400100025 calculated by the Monte Carlo method. 3044400100026 ERR-ANALYS (ERR-T) Statistical errors and systematic errors. 3044400100027 The systematic errors consist of uncertainties: 3044400100028 (ERR-1) .caused by fluctuations of n-beam during 3044400100029 irrad. 0.8%, 3044400100030 (ERR-2) .of sample weight, less than 1%, 3044400100031 (ERR-3) .of gamma-ray attenuation in the sample, 2%, 3044400100032 .of counting efficiency, 5 to 8%, 3044400100033 .in the integration of the pulse height spect.,2-9%, 3044400100034 .of the cross-section of monit.Reaction., 3 to 5%, 3044400100035 .of the corrections due to neutron capture contri- 3044400100036 bution, 0.5 to 9%. 3044400100037 ENDBIB 35 0 3044400100038 COMMON 3 3 3044400100039 ERR-1 ERR-2 ERR-3 3044400100040 PER-CENT PER-CENT PER-CENT 3044400100041 0.8 1. 2. 3044400100042 ENDCOMMON 3 0 3044400100043 ENDSUBENT 42 0 3044400199999 SUBENT 30444002 20090310 31353044400200001 BIB 8 21 3044400200002 REFERENCE (J,NP/A,285,145,197707) Diff.from prelim.value(En), and3044400200003 priv.comm.from the author gives final data. 3044400200004 === N.B. === 3044400200005 The values in Nucl.Phys.A285('77)145(Table2) have been3044400200006 increased by 3.7%, informed by M.Herman,78/06. 3044400200007 (P,INR-1642/I/PL/A,15,197604) Prelim. values. 3044400200008 (P,INDC(SEC)-61,232,197710)Identical with 3044400200009 INR-1642/I/PL/A 3044400200010 REACTION (46-PD-102(N,2N)46-PD-101,,SIG) 3044400200011 EXP-YEAR (1976) 3044400200012 SAMPLE Natural high purity Pd. Target isotope abund. = 0.0088.3044400200013 DECAY-DATA (46-PD-101,8.4HR,DG,296.,0.1836) 3044400200014 Conversion coeff.= 0.019. 3044400200015 STATUS (TABLE) Data from the author's priv.comm., 3044400200016 M.Herman 78/06/29. The values replace those in Table 2 3044400200017 of Nucl.Phys.A285 (1977)145. 3044400200018 HISTORY (19780919A) KO.-Numerical values increased by 3.7%, 3044400200019 inf.from Herman,78/06/29.- 3044400200020 (20090310A) SD:Updated to new date formats,lower case. 3044400200021 CORRECTION Corrected for summing of cascade gammas in the Ge(Li) 3044400200022 crystal. 3044400200023 ENDBIB 21 0 3044400200024 NOCOMMON 0 0 3044400200025 DATA 4 11 3044400200026 EN EN-RSL DATA ERR-T 3044400200027 MEV MEV MB MB 3044400200028 1.2900E+01 5.0000E-01 4.8700E+02 1.1400E+02 3044400200029 1.3000E+01 4.0000E-01 7.4500E+02 8.9000E+01 3044400200030 1.3400E+01 2.0000E-01 9.3700E+02 6.6000E+01 3044400200031 1.3900E+01 3.0000E-01 1.0200E+03 7.3000E+01 3044400200032 1.4500E+01 3.0000E-01 1.2720E+03 9.0000E+01 3044400200033 1.5000E+01 3.0000E-01 1.2240E+03 9.7000E+01 3044400200034 1.5400E+01 2.0000E-01 1.0630E+03 8.2000E+01 3044400200035 1.5900E+01 5.0000E-01 1.0480E+03 1.0300E+02 3044400200036 1.6600E+01 1.0000E-01 1.1430E+03 1.1400E+02 3044400200037 1.7400E+01 4.0000E-01 1.0900E+03 1.6100E+02 3044400200038 1.7900E+01 1.0000E-01 1.1250E+03 1.5300E+02 3044400200039 ENDDATA 13 0 3044400200040 ENDSUBENT 39 0 3044400299999 SUBENT 30444003 20090310 31353044400300001 BIB 9 23 3044400300002 REFERENCE (J,NP/A,285,145,1977) Final,diff.from prelim.value(En).3044400300003 (P,INR-1642/I/PL/A,15,197604) prelim. values. 3044400300004 (P,INDC(SEC)-61,232,197710)Identical with 3044400300005 INR-1642/I/PL/A 3044400300006 REACTION (46-PD-110(N,2N)46-PD-109,,SIG) 3044400300007 EXP-YEAR (1976) 3044400300008 SAMPLE Natural high purity Pd. Target isotope abund. = 0.1265.3044400300009 ANALYSIS 13.47 hr activity of Pd-109g and 4.7 min activity of 3044400300010 Pd-109m were extracted by measuring 87.7keV and 188keV 3044400300011 gamma-rays, respectively. 3044400300012 DECAY-DATA (46-PD-109-G,13.47HR,DG,87.7,0.9999) 3044400300013 Conversion coeff. = 22.4 3044400300014 (46-PD-109-M,4.7MIN,DG,188.) 3044400300015 COMMENT Because of the cumulative decay of Pd-109 ground state,3044400300016 one can not determine exactly the total(n,2n) X-section3044400300017 see 'correction'. 3044400300018 STATUS (TABLE) Data from Table 2 of Nucl.Phys.A285(1977)145. 3044400300019 CORRECTION Correction for the contribution from neutron capture in3044400300020 Pd-108 present in the natural sample was performed. 3044400300021 .The quantity actually measured was 3044400300022 Pd-110(n,2n)Pd-109-g + 1.006*(Pd-110(n,2n)Pd-109-m), 3044400300023 and the result was not corrected for this factor of 3044400300024 1.006. 3044400300025 ENDBIB 23 0 3044400300026 NOCOMMON 0 0 3044400300027 DATA 4 11 3044400300028 EN EN-RSL DATA ERR-T 3044400300029 MEV MEV MB MB 3044400300030 1.2900E+01 5.0000E-01 1.8100E+03 2.5000E+02 3044400300031 1.3000E+01 4.0000E-01 1.8140E+03 1.6900E+02 3044400300032 1.3400E+01 2.0000E-01 1.7270E+03 1.2400E+02 3044400300033 1.3900E+01 3.0000E-01 1.8550E+03 1.3400E+02 3044400300034 1.4500E+01 3.0000E-01 1.8840E+03 1.3600E+02 3044400300035 1.5000E+01 3.0000E-01 1.7860E+03 1.3800E+02 3044400300036 1.5400E+01 2.0000E-01 1.7310E+03 1.2500E+02 3044400300037 1.5900E+01 5.0000E-01 1.5070E+03 1.4300E+02 3044400300038 1.6600E+01 1.0000E-01 1.5240E+03 1.4900E+02 3044400300039 1.7400E+01 4.0000E-01 1.5580E+03 2.5400E+02 3044400300040 1.7900E+01 1.0000E-01 1.4330E+03 2.4600E+02 3044400300041 ENDDATA 13 0 3044400300042 ENDSUBENT 41 0 3044400399999 SUBENT 30444004 20090310 31353044400400001 BIB 6 9 3044400400002 REFERENCE (J,NP/A,285,145,1977)Final,same as prelm.val.except one3044400400003 (P,INDC(SEC)-61,232,197710)Identical to INR-1642/I/PL/A3044400400004 (P,INR-1642/I/PL/A,15,197604) Prelim. values. 3044400400005 REACTION (46-PD-110(N,2N)46-PD-109-M,,SIG) 3044400400006 EXP-YEAR (1976) 3044400400007 SAMPLE Natural high purity Pd. Target isotope abund. = 0.1265.3044400400008 DECAY-DATA (46-PD-109-M,4.7MIN,DG,188.,1.0000) 3044400400009 Conversion coeff. = 0.52 3044400400010 STATUS (TABLE) Data from Table 3 of Nucl.Phys.A285(1977)145. 3044400400011 ENDBIB 9 0 3044400400012 NOCOMMON 0 0 3044400400013 DATA 4 11 3044400400014 EN EN-RSL DATA ERR-T 3044400400015 MEV MEV MB MB 3044400400016 1.3000E+01 4.0000E-01 4.3700E+02 5.2000E+01 3044400400017 1.3600E+01 3.0000E-01 4.1100E+02 3.7000E+01 3044400400018 1.3900E+01 3.0000E-01 4.1000E+02 1.0000E+02 3044400400019 1.4200E+01 3.0000E-01 4.2400E+02 3.8000E+01 3044400400020 1.4500E+01 3.0000E-01 4.6200E+02 4.3000E+01 3044400400021 1.4800E+01 3.0000E-01 4.5200E+02 4.6000E+01 3044400400022 1.5200E+01 2.0000E-01 5.0000E+02 9.4000E+01 3044400400023 1.5400E+01 3.0000E-01 4.8200E+02 4.3000E+01 3044400400024 1.5900E+01 5.0000E-01 5.0700E+02 5.9000E+01 3044400400025 1.6600E+01 1.0000E-01 4.7700E+02 5.7000E+01 3044400400026 1.7900E+01 1.0000E-01 4.2000E+02 4.3000E+01 3044400400027 ENDDATA 13 0 3044400400028 ENDSUBENT 27 0 3044400499999 SUBENT 30444005 20090310 31353044400500001 BIB 6 10 3044400500002 REFERENCE (J,NP/A,285,145,197707) Final, same as prelim.values. 3044400500003 (P,INR-1502/I/PL/A,11,197504) Prelim. values. 3044400500004 (P,INDC(SEC)-50,371,1976)Identical with INR-1502/I/PL/A3044400500005 REACTION (48-CD-112(N,2N)48-CD-111-M,,SIG) 3044400500006 EXP-YEAR (1975) 3044400500007 SAMPLE Enriched Cd-112, 95.75%, sample. 3044400500008 DECAY-DATA (48-CD-111-M,48.6MIN,DG,247.,1.0000) 3044400500009 Conversion coeff. = 0.064. 3044400500010 STATUS (TABLE) Data from Table 3 of Nucl.Phys.A285(1977)145. 3044400500011 This entry replaces EXFOR 30308.003. 3044400500012 ENDBIB 10 0 3044400500013 NOCOMMON 0 0 3044400500014 DATA 4 11 3044400500015 EN EN-RSL DATA ERR-T 3044400500016 MEV MEV MB MB 3044400500017 1.2900E+01 2.0000E-01 6.3800E+02 4.5000E+01 3044400500018 1.3000E+01 4.0000E-01 6.7700E+02 3.2000E+01 3044400500019 1.3400E+01 3.0000E-01 6.1600E+02 2.8000E+01 3044400500020 1.3900E+01 3.0000E-01 6.8400E+02 3.6000E+01 3044400500021 1.4500E+01 3.0000E-01 6.7500E+02 3.2000E+01 3044400500022 1.5000E+01 3.0000E-01 6.4700E+02 3.0000E+01 3044400500023 1.5400E+01 3.0000E-01 6.2300E+02 2.9000E+01 3044400500024 1.6000E+01 3.0000E-01 7.5600E+02 4.6000E+01 3044400500025 1.6600E+01 1.0000E-01 6.6400E+02 4.2000E+01 3044400500026 1.7400E+01 3.0000E-01 6.2400E+02 5.3000E+01 3044400500027 1.7900E+01 1.0000E-01 4.7900E+02 4.2000E+01 3044400500028 ENDDATA 13 0 3044400500029 ENDSUBENT 28 0 3044400599999 SUBENT 30444006 20090310 31353044400600001 BIB 9 31 3044400600002 REFERENCE (J,NP/A,285,145,197707) Diff.From prelim.value(En), and3044400600003 priv.comm.from the author gives final data. 3044400600004 === N.B. === 3044400600005 The values in Nucl.Phys.A285('77)145(Table4) have been3044400600006 increased by 1.5%, informed by M.Herman,78/06. 3044400600007 (P,INR-1642/I/PL/A,15,197604) prelim. values. 3044400600008 (P,INDC(SEC)-61,232,1977)Identical with INR-1642/I/PL/A3044400600009 REACTION 1(76-OS-192(N,2N)76-OS-191,,SIG) 3044400600010 2(76-OS-192(N,2N)76-OS-191-M,,SIG) 3044400600011 EXP-YEAR (1976) 3044400600012 SAMPLE Natural high purity Os. Target isotope abund. = 0.41. 3044400600013 DECAY-DATA (76-OS-191-G,15.0D,DG,129.,0.986) 3044400600014 (76-OS-191-M,13.0HR,DG,129.,0.986) 3044400600015 Conversion coeff. = 1.9 3044400600016 COMMENT 1Because of the cumulative decay of Os-191 ground state,3044400600017 one cannot determine exactly the total(n,2n) x-section 3044400600018 see 'Correction'. 3044400600019 STATUS (TABLE) Data from the author's priv.comm., 3044400600020 M.Herman 78/06/29. The values replace those in Table 4 3044400600021 of Nucl.Phys.A285 (1977)145 3044400600022 HISTORY (19780919A) KO.-Numerical values increased by 1.5%, 3044400600023 inf.from Herman,78/06/29.- 3044400600024 (20090310A) SD:Updated to new date formats,lower case. 3044400600025 CORRECTION The contribution from neutron capture in Os-190 present3044400600026 in the natural sample was corrected. 3044400600027 Corrected for summing of cascade gammas in the Ge(Li) 3044400600028 crystal. 3044400600029 1.The quantity actually measured was 3044400600030 Os-192(n,2n)Os-191-g + 1.037*(Os-192(n,2n)Os-191-m), 3044400600031 and the result was not corrected for this factor of 3044400600032 1.037. 3044400600033 ENDBIB 31 0 3044400600034 NOCOMMON 0 0 3044400600035 DATA 6 8 3044400600036 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23044400600037 MEV MEV MB MB MB MB 3044400600038 1.3000E+01 4.0000E-01 2.5900E+03 1.4000E+02 1.1470E+03 2.2900E+023044400600039 1.3400E+01 2.0000E-01 2.2800E+03 8.6000E+01 8.5800E+02 2.0800E+023044400600040 1.3900E+01 3.0000E-01 2.1880E+03 9.0000E+01 7.3100E+02 1.7600E+023044400600041 1.4500E+01 3.0000E-01 2.4060E+03 1.0500E+02 1.0830E+03 3.2300E+023044400600042 1.5000E+01 3.0000E-01 2.1220E+03 8.1000E+01 7.2200E+02 7.4000E+013044400600043 1.5400E+01 2.0000E-01 1.9180E+03 7.8000E+01 7.3000E+02 1.1400E+023044400600044 1.5900E+01 5.0000E-01 1.9220E+03 9.9000E+01 8.4000E+02 8.5000E+013044400600045 1.6600E+01 1.0000E-01 1.6490E+03 1.0500E+02 8.0700E+02 1.0000E+023044400600046 ENDDATA 10 0 3044400600047 ENDSUBENT 46 0 3044400699999 SUBENT 30444007 20090310 31353044400700001 BIB 8 15 3044400700002 REFERENCE (J,NP/A,285,145,197707) Final, same as prelim.values. 3044400700003 (P,INDC(SEC)-42,205,197412) Prelim. values. 3044400700004 REACTION (76-OS-192(N,3N)76-OS-190-M,,SIG) 3044400700005 EXP-YEAR (1974) 3044400700006 SAMPLE Natural high purity Os. Target isotope abund. = 0.41. 3044400700007 ANALYSIS The (n,3n) cross-sections were obtained with the 3044400700008 assumption that the Os-190(n,n') reaction cross-section3044400700009 was constant in the energy range 16.6 to 17.8 MeV, and 3044400700010 equal to the value of 13 mb measured at energies lower 3044400700011 than 16.6 MeV. 3044400700012 DECAY-DATA (76-OS-190-M,9.9MIN) From Tables of Isotopes (6th ed.) 3044400700013 STATUS (TABLE) Data from Table 4 of Nucl.Phys.A285(1977)145. 3044400700014 This entry replaces EXFOR 30301.005. 3044400700015 HISTORY (19780919U) KO.-Correction of 'analysis' in BIB.- 3044400700016 (20090310A) SD:Updated to new date formats,lower case. 3044400700017 ENDBIB 15 0 3044400700018 NOCOMMON 0 0 3044400700019 DATA 4 3 3044400700020 EN EN-RSL DATA ERR-T 3044400700021 MEV MEV MB MB 3044400700022 1.6600E+01 1.0000E-01 1.0100E+01 2.0000E+00 3044400700023 1.7300E+01 1.0000E-01 4.0600E+01 6.7000E+00 3044400700024 1.7800E+01 1.0000E-01 6.1300E+01 7.1000E+00 3044400700025 ENDDATA 5 0 3044400700026 ENDSUBENT 25 0 3044400799999 ENDENTRY 7 0 3044499999999