ENTRY 30649 20090830 31403064900000001 SUBENT 30649001 20090830 31403064900100001 BIB 17 48 3064900100002 INSTITUTE (3SLKSLO) 3064900100003 REFERENCE (J,ASL,33,9,1983) 3064900100004 (R,INDC(CSR)-3,198206) Same values given 3064900100005 AUTHOR (S.Gmuca,I.Ribansky) 3064900100006 TITLE Neutron activation cross sections on Nd isotopes 3064900100007 at 14.8 MeV 3064900100008 FACILITY (CCW,3SLKSLO) 3064900100009 INC-SOURCE (D-T) 3064900100010 SAMPLE Nd2O3 powder pressed into plexiglass containers of 3064900100011 diameter 16 mm. Natural and enriched samples used, 3064900100012 their isotopic abundances are given in % in the 3064900100013 following Table. 3064900100014 --------------------------------------------------- 3064900100015 Sample Isotope 3064900100016 142 143 144 145 146 148 150 3064900100017 --------------------------------------------------- 3064900100018 natural 27.11 12.17 23.85 8.30 17.22 5.73 5.62 3064900100019 Nd-143 1.41 83.5 12.91 1.22 0.82 0.08 0.06 3064900100020 Nd-145 0.48 0.36 2.91 87.1 8.88 0.19 0.08 3064900100021 Nd-148 1.21 0.84 1.55 0.55 1.58 93.2 1.07 3064900100022 Nd-150 0.97 0.76 1.58 0.61 1.41 0.67 94.0 3064900100023 --------------------------------------------------- 3064900100024 METHOD (ACTIV) 3064900100025 DETECTOR (GELI) 3064900100026 MONITOR (13-AL-27(N,P)12-MG-27,,SIG) 3064900100027 (26-FE-56(N,P)25-MN-56,,SIG) 3064900100028 Average of both monitor reactions was used for 3064900100029 calibration of neutron flux. Numerical values actually 3064900100030 used at 14.8 MeV not given, only references. 3064900100031 MONIT-REF (21673001,R.A.JARJIS,J,JP/G,4,(3),445,1978) Al(n,p) 3064900100032 (20772003,T.B.RYVES+,J,MET,14,(3),127,197806)Fe-56(n,p)3064900100033 PART-DET (DG) 3064900100034 COMMENT Authors found that gamma-intensities from different 3064900100035 references are in many cases inconsistent and represent3064900100036 one major source of errors for activation cross 3064900100037 sections. For each (n,2n) and (n,p) reaction several 3064900100038 gamma lines were measured and a set of intensities was 3064900100039 chosen which was found to be the most consistent. For 3064900100040 comparison with other works the gamma-intensities used 3064900100041 have always to be considered. 3064900100042 STATUS (TABLE) Data from Acta Phys.Slov.33(1983)9,Tables 2,3,43064900100043 (APRVD) Approved by Ribansky 19/04/85 3064900100044 HISTORY (19830617C) OS. 3064900100045 (19850423U) DG.-Correction after author approval.- 3064900100046 (20090725A) SD:Updated to new date formats,lower case. 3064900100047 CORRECTION Data corrected for time variations of neutron flux, 3064900100048 coincidence summing effects and gamma self-absorption. 3064900100049 ERR-ANALYS (DATA-ERR) No information given 3064900100050 ENDBIB 48 0 3064900100051 COMMON 2 3 3064900100052 EN EN-RSL 3064900100053 MEV MEV 3064900100054 1.4800E+01 2.5000E-01 3064900100055 ENDCOMMON 3 0 3064900100056 ENDSUBENT 55 0 3064900199999 SUBENT 30649002 20090830 31403064900200001 BIB 3 9 3064900200002 REACTION M(60-ND-142(N,2N)60-ND-141-M,,SIG) 3064900200003 G(60-ND-142(N,2N)60-ND-141-G,,SIG) 3064900200004 S(60-ND-142(N,2N)60-ND-141,,SIG) Deduced 3064900200005 (sum of metastable and ground state) 3064900200006 DECAY-DATA (60-ND-141-M,62.4SEC,DG,756.5,0.915) 3064900200007 (60-ND-141-G,2.49HR,DG,145.4,0.022, 3064900200008 DG,1226.7,0.0075, 3064900200009 DG,1292.6,0.0012) 3064900200010 STATUS S(DEP,30649002) 3064900200011 ENDBIB 9 0 3064900200012 NOCOMMON 0 0 3064900200013 DATA 6 1 3064900200014 DATA MDATA-ERR MDATA GDATA-ERR GDATA SDATA-ERR S3064900200015 MB MB MB MB MB MB 3064900200016 7.5600E+02 7.0000E+01 7.7800E+02 7.3000E+01 1.5440E+03 1.0100E+023064900200017 ENDDATA 3 0 3064900200018 ENDSUBENT 17 0 3064900299999 SUBENT 30649003 20090830 31403064900300001 BIB 2 3 3064900300002 REACTION (60-ND-148(N,2N)60-ND-147,,SIG) 3064900300003 DECAY-DATA (60-ND-147,11.1D,DG,319.4,0.0205, 3064900300004 DG,531.0,0.133) 3064900300005 ENDBIB 3 0 3064900300006 NOCOMMON 0 0 3064900300007 DATA 2 1 3064900300008 DATA DATA-ERR 3064900300009 MB MB 3064900300010 1.7800E+03 5.0000E+01 3064900300011 ENDDATA 3 0 3064900300012 ENDSUBENT 11 0 3064900399999 SUBENT 30649004 20090830 31403064900400001 BIB 2 8 3064900400002 REACTION (60-ND-150(N,2N)60-ND-149,,SIG) 3064900400003 DECAY-DATA (60-ND-149,1.73HR,DG,114.3,0.16, 3064900400004 DG,211.3,0.23, 3064900400005 DG,654.8,0.084) 3064900400006 654.8 keV gamma line was measured but disregarded 3064900400007 because cross section obtained was always inconsistent 3064900400008 with the two other lines measured (with intensity sets 3064900400009 from 3 different references). 3064900400010 ENDBIB 8 0 3064900400011 NOCOMMON 0 0 3064900400012 DATA 2 1 3064900400013 DATA DATA-ERR 3064900400014 MB MB 3064900400015 1.7030E+03 8.2000E+01 3064900400016 ENDDATA 3 0 3064900400017 ENDSUBENT 16 0 3064900499999 SUBENT 30649005 20090830 31403064900500001 BIB 3 9 3064900500002 REACTION S(60-ND-142(N,P)59-PR-142,,SIG) 3064900500003 Sum of ground + metastable state measured directly 3064900500004 M(60-ND-142(N,P)59-PR-142-M,,SIG) 3064900500005 Authors tried to determine sig(metastable) 3064900500006 separately by decay curve analysis but found no 3064900500007 significant yield of sig(metastable). (Less than 3064900500008 5% of sig(total). 3064900500009 DECAY-DATA (59-PR-142-G,19.1HR,DG,1575.7,0.037) 3064900500010 ANALYSIS (DECAY) 3064900500011 ENDBIB 9 0 3064900500012 NOCOMMON 0 0 3064900500013 DATA 3 1 3064900500014 DATA SDATA-ERR SDATA-MAX M 3064900500015 MB MB MB 3064900500016 1.3800E+01 1.1000E+00 7.0000E-01 3064900500017 ENDDATA 3 0 3064900500018 ENDSUBENT 17 0 3064900599999 SUBENT 30649006 20090830 31403064900600001 BIB 4 10 3064900600002 REACTION M(60-ND-144(N,P)59-PR-144-M,,SIG) 3064900600003 G(60-ND-144(N,P)59-PR-144-G,,SIG) 3064900600004 S(60-ND-144(N,P)59-PR-144,,SIG) Deduced 3064900600005 Sum of metastable + ground state 3064900600006 DECAY-DATA (59-PR-144-M,7.2MIN,DG,696.5) 3064900600007 (59-PR-144-G,17.3MIN,DG,696.5,0.0148) 3064900600008 sig(ground) and sig(metastable) both determined by 3064900600009 decay curve analysis of the 696.5 keV line. 3064900600010 ANALYSIS (DECAY) 3064900600011 STATUS S(DEP,30649006) 3064900600012 ENDBIB 10 0 3064900600013 NOCOMMON 0 0 3064900600014 DATA 6 1 3064900600015 DATA MDATA-ERR MDATA GDATA-ERR GDATA SDATA-ERR S3064900600016 MB MB MB MB MB MB 3064900600017 1.7000E+00 6.0000E-01 1.0500E+01 2.3000E+00 1.2200E+01 2.4000E+003064900600018 ENDDATA 3 0 3064900600019 ENDSUBENT 18 0 3064900699999 SUBENT 30649007 20090830 31403064900700001 BIB 2 3 3064900700002 REACTION (60-ND-145(N,P)59-PR-145,,SIG) 3064900700003 DECAY-DATA (59-PR-145,5.98HR,DG,675.8,0.0045, 3064900700004 DG,748.3,0.0047) 3064900700005 ENDBIB 3 0 3064900700006 NOCOMMON 0 0 3064900700007 DATA 2 1 3064900700008 DATA DATA-ERR 3064900700009 MB MB 3064900700010 7.5000E+00 1.6000E+00 3064900700011 ENDDATA 3 0 3064900700012 ENDSUBENT 11 0 3064900799999 SUBENT 30649008 20090830 31403064900800001 BIB 2 5 3064900800002 REACTION (60-ND-146(N,P)59-PR-146,,SIG) 3064900800003 DECAY-DATA (59-PR-146,24.1MIN,DG,453.8,0.55, 3064900800004 DG,735.7,0.089) 3064900800005 These gamma lines gave cross sections differing by 3064900800006 32%. Result given is mean value. 3064900800007 ENDBIB 5 0 3064900800008 NOCOMMON 0 0 3064900800009 DATA 2 1 3064900800010 DATA DATA-ERR 3064900800011 MB MB 3064900800012 4.7000E+00 5.0000E-01 3064900800013 ENDDATA 3 0 3064900800014 ENDSUBENT 13 0 3064900899999 SUBENT 30649009 20090830 31403064900900001 BIB 2 2 3064900900002 REACTION (60-ND-148(N,P)59-PR-148,,SIG) 3064900900003 DECAY-DATA (59-PR-148-G,2.28MIN,DG,301.7,0.91) 3064900900004 ENDBIB 2 0 3064900900005 NOCOMMON 0 0 3064900900006 DATA 2 1 3064900900007 DATA DATA-ERR 3064900900008 MB MB 3064900900009 2.1400E+00 1.7000E-01 3064900900010 ENDDATA 3 0 3064900900011 ENDSUBENT 10 0 3064900999999 SUBENT 30649010 20090830 31403064901000001 BIB 3 9 3064901000002 REACTION (60-ND-142(N,A)58-CE-139,,SIG) 3064901000003 Sum of ground + metastable state measured directly. 3064901000004 Sig(metastable) could not be obtained because the 3064901000005 isomeric transition could not be measured 3064901000006 (energy and half-life very close to a line 3064901000007 produced in the (n,2n) reaction) and a decay 3064901000008 curve analysis of the 165.8 keV line was unsuccessful.3064901000009 DECAY-DATA (58-CE-139-G,137.5D,DG,165.8,0.789) 3064901000010 ANALYSIS (DECAY) 3064901000011 ENDBIB 9 0 3064901000012 NOCOMMON 0 0 3064901000013 DATA 2 1 3064901000014 DATA DATA-ERR 3064901000015 MB MB 3064901000016 6.0000E+00 9.0000E-01 3064901000017 ENDDATA 3 0 3064901000018 ENDSUBENT 17 0 3064901099999 SUBENT 30649011 20090830 31403064901100001 BIB 2 2 3064901100002 REACTION (60-ND-144(N,A)58-CE-141,,SIG) 3064901100003 DECAY-DATA (58-CE-141,32.5D,DG,145.4,0.484) 3064901100004 ENDBIB 2 0 3064901100005 NOCOMMON 0 0 3064901100006 DATA 2 1 3064901100007 DATA DATA-ERR 3064901100008 MB MB 3064901100009 4.5000E+00 6.0000E-01 3064901100010 ENDDATA 3 0 3064901100011 ENDSUBENT 10 0 3064901199999 SUBENT 30649012 20090830 31403064901200001 BIB 2 2 3064901200002 REACTION (60-ND-146(N,A)58-CE-143,,SIG) 3064901200003 DECAY-DATA (58-CE-143,33.HR,DG,293.3,0.514) 3064901200004 ENDBIB 2 0 3064901200005 NOCOMMON 0 0 3064901200006 DATA 2 1 3064901200007 DATA DATA-ERR 3064901200008 MB MB 3064901200009 4.2000E+00 7.0000E-01 3064901200010 ENDDATA 3 0 3064901200011 ENDSUBENT 10 0 3064901299999 SUBENT 30649013 20090830 31403064901300001 BIB 2 2 3064901300002 REACTION (60-ND-148(N,A)58-CE-145,,SIG) 3064901300003 DECAY-DATA (58-CE-145,3.0MIN,DG,724.3,0.69) 3064901300004 ENDBIB 2 0 3064901300005 NOCOMMON 0 0 3064901300006 DATA 2 1 3064901300007 DATA DATA-ERR 3064901300008 MB MB 3064901300009 2.4000E+00 2.0000E-01 3064901300010 ENDDATA 3 0 3064901300011 ENDSUBENT 10 0 3064901399999 ENDENTRY 13 0 3064999999999