ENTRY 22735 20051220 21752273500000001
SUBENT 22735001 20051220 21752273500100001
BIB 15 31 2273500100002
TITLE DECAY OF TUNGSTEN-189. 2273500100003
AUTHOR (S.MIRZADEH,F.Y.LAMBRECHT,R.M.LAMBRECHT) 2273500100004
INSTITUTE (1USAORL) Mirzadeh, Nuclear Science and Technology 2273500100005
Division 2273500100006
(2TUKTUK) F.Y.Lambrecht, Institute of Nuclear Science, 2273500100007
Ege University,Bornova 35100 Izmir,Turkey 2273500100008
(3AULWUC) R.M.Lambrecht 2273500100009
(2BLGLVN) Experimental site - Cyclotron Research Center2273500100010
REFERENCE (J,ARI,57,637,2002) 2273500100011
FACILITY (CYCLO,2BLGLVN) 2273500100012
METHOD (GSPEC) Irradiation time 3 min. 2273500100013
DETECTOR (GE-IN) Calibrated intrinsic Ge detector, 2273500100014
crystal active volume near 100 cm3. 2273500100015
Resolution : 0.8 keV at 5.9 keV, 1.0 keV at 123 keV, 2273500100016
1.9 keV at 1332 keV. 2273500100017
INC-SOURCE (D-BE) 50 MeV deutrons on thick water-cooled Be target 2273500100018
INC-SPECT .Average energy 20 MeV 2273500100019
Neutron flux (4.8+-0.3)*1.E+11 n/(sec*cm2) 2273500100020
SAMPLE Isotopically enriched to 99.9% Os-192 metal target of 2273500100021
35 mg weight. 2273500100022
Monitor Al-27 foils of 8.0 mg weight, 99.9997% purity,2273500100023
0.13 mm thickness. 2273500100024
Os targets in small gelatin capsule together with Al 2273500100025
flux monitor were mounted on the back of Be beam stop.2273500100026
MONITOR ((MONIT)13-AL-27(N,A)11-NA-24,,SIG) For neutron flux 2273500100027
determination 2273500100028
MONIT-REF (,S.KATCOFF+,J,NIM,129,473,1975) 2273500100029
ERR-ANALYS (DATA-ERR) Errors are not specified 2273500100030
COMMENT E-mail of corresponding author: 2273500100031
mirzadehs@ornl.gov 2273500100032
HISTORY (20051220C) M.M./S.M. 2273500100033
ENDBIB 31 0 2273500100034
COMMON 2 3 2273500100035
EN-APRX MONIT 2273500100036
MEV MB 2273500100037
20. 40. 2273500100038
ENDCOMMON 3 0 2273500100039
ENDSUBENT 38 0 2273500199999
SUBENT 22735002 20051220 21752273500200001
BIB 6 14 2273500200002
REACTION (76-OS-192(N,A)74-W-189,,SIG,,,DERIV) 2273500200003
DECAY-DATA (74-W-189,8.9MIN,DG,260.4,1.00) 2273500200004
(74-W-189,9.4MIN,DG,421.7,0.764) 2273500200005
ADD-RES (DECAY) Half-life of W-189 determined in this work 2273500200006
Average HL = 9.2+-0.3 min 2273500200007
ASSUMED (ASSUM,(76-OS-192(N,3N+P)75-RE-189,,SIG)/ 2273500200008
(76-OS-192(N,A)74-W-189,,SIG)) 2273500200009
COMMENT These values were deduced through random-walk, applying2273500200010
two additional boundary conditions: 2273500200011
max. c-s of Os-192(n,p3n)Re-189 reaction is 10.+-0.5 mb2273500200012
min. c-s of Os-192(n,x)Re-189 reaction is 0.23+-0.01 mb2273500200013
STATUS From Tables 1, 2 of main reference 2273500200014
(COREL,31499002) Mirzadeh et al., RCA,77,99,1997 2273500200015
(COREL,22735003) 2273500200016
ENDBIB 14 0 2273500200017
COMMON 2 3 2273500200018
ASSUM ASSUM-ERR 2273500200019
NO-DIM NO-DIM 2273500200020
20. 5. 2273500200021
ENDCOMMON 3 0 2273500200022
DATA 2 1 2273500200023
DATA DATA-ERR 2273500200024
MB MB 2273500200025
0.49 0.20 2273500200026
ENDDATA 3 0 2273500200027
ENDSUBENT 26 0 2273500299999
SUBENT 22735003 20051220 21752273500300001
BIB 6 13 2273500300002
REACTION (76-OS-192(N,X)75-RE-189,DI,SIG,,,DERIV) 2273500300003
ASSUMED (ASSUM,(76-OS-192(N,3N+P)75-RE-189,,SIG)/ 2273500300004
(76-OS-192(N,A)74-W-189,,SIG)) 2273500300005
DECAY-DATA (75-RE-189,24.3HR,DG,216.7,, 2273500300006
DG,219.4,,DG,245.) 2273500300007
REL-REF (R,,S.KATCOFF+,J,NIM,129,473,1975) Value for ASSUM 2273500300008
ANALYSIS .These values were deduced through random-walk, 2273500300009
applying additional boundary conditions: 2273500300010
maximal c-s of Os-192(n,p3n)Re-189 reaction is 2273500300011
10.+-2. mb, minimal c-s of Os-192(n,x)Re-189 reaction 2273500300012
is 0.23+-0.01 2273500300013
STATUS .From Tables 2 of main reference 2273500300014
(COREL,22735002) 2273500300015
ENDBIB 13 0 2273500300016
COMMON 2 3 2273500300017
ASSUM ASSUM-ERR 2273500300018
NO-DIM NO-DIM 2273500300019
20. 5. 2273500300020
ENDCOMMON 3 0 2273500300021
DATA 2 1 2273500300022
DATA DATA-ERR 2273500300023
MB MB 2273500300024
9.5 1.9 2273500300025
ENDDATA 3 0 2273500300026
ENDSUBENT 25 0 2273500399999
SUBENT 22735004 20051220 21752273500400001
BIB 4 14 2273500400002
REACTION ((76-OS-192(N,3N)76-OS-190-M,DI,SIG)+ 2273500400003
(76-OS-192(N,X)76-OS-190-M,CUM,SIG)) Effective c-s 2273500400004
of Os-190m production 2273500400005
ANALYSIS .Effective cross section as sum of direct and 2273500400006
cumulative cross section 2273500400007
76-OS-192(N,P+2N)75-RE-190(Beta-)76-OS-190-M 2273500400008
DECAY-DATA (76-OS-190-M,,DG,186.3,, 2273500400009
DG,361.1,, 2273500400010
DG,502.6,, 2273500400011
DG,616.3) 2273500400012
(75-RE-189,24.3HR,DG,216.7,, 2273500400013
DG,219.4,, 2273500400014
DG,245.) 2273500400015
STATUS From Table 2, text of main reference 2273500400016
ENDBIB 14 0 2273500400017
NOCOMMON 0 0 2273500400018
DATA 2 1 2273500400019
DATA DATA-ERR 2273500400020
MB MB 2273500400021
85. 5. 2273500400022
ENDDATA 3 0 2273500400023
ENDSUBENT 22 0 2273500499999
SUBENT 22735005 20051220 21752273500500001
BIB 4 8 2273500500002
REACTION (76-OS-192(N,3N+P)75-RE-189,DI,SIG) 2273500500003
DECAY-DATA (75-RE-189,24.3HR,DG,216.7,, 2273500500004
DG,219.4,, 2273500500005
DG,245.) 2273500500006
STATUS From text of main reference 2273500500007
ANALYSIS .Data obtained from activity of Re-189 equal to 2273500500008
(7.27+-0.73)*100 dps which was calculated directly 2273500500009
from intensities and abudances of gamma-rays 2273500500010
ENDBIB 8 0 2273500500011
NOCOMMON 0 0 2273500500012
DATA 2 1 2273500500013
DATA DATA-ERR 2273500500014
MB MB 2273500500015
10. 2. 2273500500016
ENDDATA 3 0 2273500500017
ENDSUBENT 16 0 2273500599999
ENDENTRY 5 0 2273599999999