ENTRY 30437 20211108 32033043700000001
SUBENT 30437001 20211108 32033043700100001
BIB 12 44 3043700100002
INSTITUTE (3INDTRM) 3043700100003
REFERENCE (J,JIN,41,1649,1979) Final publication 3043700100004
(P,BARC-900,87,1976) Brief, table, graph given 3043700100005
(P,BARC-872,104,1976) Preliminary results 3043700100006
(C,75CALCUTTA,2,141,1975) Data on graphs 3043700100007
AUTHOR (A.Ramaswami,S.P.Dange,Satya Prakash,M.V.Ramaniah) 3043700100008
(R.Kannabiran,A.G.C.Nair) 3043700100009
TITLE Mass yield from thermal neutron induced fission 3043700100010
of Cm-245 3043700100011
FACILITY (REAC,3INDTRM) CIRUS reactor 3043700100012
INC-SPECT Thermal reactor spectrum. The cadmium-ratio for U-235 3043700100013
and Cm-245 is about 200 in irradiation position. 3043700100014
SAMPLE (96-CM-245,ENR=0.9386) 3043700100015
Curium purified free of plutonium and fission products.3043700100016
Curium (approx. 50 micrograms/cm2) and uranium (approx.3043700100017
5 micrograms/cm2) electrodeposited on gold-plated alu- 3043700100018
minum foils, wrapped in superpure Al-catcher-foils. 3043700100019
Isotopic composition: 3043700100020
Curium sample Cm-244 93.86% 3043700100021
Cm-245 2.01% 3043700100022
Cm-246 4.13% 3043700100023
Uranium sample 90% U-235 3043700100024
METHOD Yield determined by Th 'R-value' method relative to 3043700100025
U-235 thermal fission yields (see EXFOR 30437.002). 3043700100026
(REC) Fission fragments were collected by the 'thin- 3043700100027
target-recoil-catcher' technique. 3043700100028
(GSPEC) High yield products were measured by direct 3043700100029
gamma counting. 3043700100030
(CHSEP) For low yield products radiochemical separation3043700100031
was employed followed by beta- or gamma-counting 3043700100032
DETECTOR (GELI) 3043700100033
(PROPC) 3043700100034
STATUS (TABLE) Table 2 of J.Inorg.Nucl.Chem.41,1649 3043700100035
(APRVD), R.Ramaswami, on 1980-03-19 3043700100036
HISTORY (19780228C) OS. Data from progr.report compiled. 3043700100037
(19800201A) ML. Entry revised according final public. 3043700100038
(20090310A) SD:Updated to new date formats,lower case. 3043700100039
(20211018A) VS. Reference 75CALCUTTA,2,141,1974 added. 3043700100040
002 corrected. 3043700100041
CORRECTION Since 99% of all fissions in the curium-sample 3043700100042
will be from Cm-245, no corrections for contributions 3043700100043
from fissions of other curium isotopes were applied. 3043700100044
No information is given on corrections due to chemical 3043700100045
separation procedures and sample counting. 3043700100046
ENDBIB 44 0 3043700100047
COMMON 1 3 3043700100048
EN-DUMMY 3043700100049
EV 3043700100050
2.3500E-02 3043700100051
ENDCOMMON 3 0 3043700100052
ENDSUBENT 51 0 3043700199999
SUBENT 30437002 20211108 32033043700200001
BIB 6 24 3043700200002
REACTION (96-CM-245(N,F)ELEM/MASS,CUM,FY,,MXW) 3043700200003
ANALYSIS From measured fission product activities ratios 3043700200004
'R-values' calculated as 3043700200005
R=a(99,235)*a(X,245)/(a(99,245)*a(X,235)) 3043700200006
where 99,X,235 and 245 have the meaning explained 3043700200007
under method above. 3043700200008
Yields for product X from fission of Cm-245 (=Y(X,245))3043700200009
are calculated as 3043700200010
Y(X,245)=R*Y(99,245)*Y(X,235)/Y(99,235), where 3043700200011
Y(99,245) is an assumed value for the Cm-245 fission 3043700200012
yield of Mo-99 3043700200013
Y(X,235) and Y(99,235) are the U-235 fission yields of 3043700200014
fission product X and Mo-99 respectively. 3043700200015
MONITOR ((MONIT1)96-CM-245(N,F)42-MO-99,CUM,FY,,MXW) 3043700200016
Internal standard before normalization 3043700200017
((MONIT2)92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW) 3043700200018
Taken from the evaluation of Meek and Rider 3043700200019
MONIT-REF ((MONIT2),M.E.Meek+,R,NEDO-12154-1,1974) 3043700200020
ERR-ANALYS The present yield determination is 5-10% for asymmetric3043700200021
fission products and 10-15% for symmetric fission 3043700200022
products. 3043700200023
(ERR-S) Total statistical uncertainty: 5% 3043700200024
HISTORY (20211018A) VS. MISC-COL and MISC data deleted. 3043700200025
ERR-ANALYS corrected. 3043700200026
ENDBIB 24 0 3043700200027
COMMON 2 3 3043700200028
MONIT1 ERR-S 3043700200029
PC/FIS PER-CENT 3043700200030
4.09E+00 5. 3043700200031
ENDCOMMON 3 0 3043700200032
DATA 4 19 3043700200033
MASS ELEMENT DATA MONIT2 3043700200034
NO-DIM NO-DIM PC/FIS PC/FIS 3043700200035
89. 38. 0.820 4.85 3043700200036
91. 38. 0.932 5.916 3043700200037
95. 40. 2.14 6.459 3043700200038
97. 40. 2.89 5.945 3043700200039
99. 42. 4.00 6.133 3043700200040
103. 44. 6.55 3.135 3043700200041
111. 47. 3.84 0.0185 3043700200042
115. 48. 0.418 0.00918 3043700200043
121. 50. 0.025 0.01296 3043700200044
125. 50. 0.074 0.0136 3043700200045
127. 51. 0.45 0.1284 3043700200046
131. 53. 2.93 2.835 3043700200047
132. 52. 3.74 4.188 3043700200048
133. 54. 5.34 6.77 3043700200049
135. 54. 6.90 6.633 3043700200050
140. 56. 5.537 6.316 3043700200051
141. 58. 4.99 5.887 3043700200052
143. 58. 4.42 5.969 3043700200053
147. 60. 2.50 2.283 3043700200054
ENDDATA 21 0 3043700200055
ENDSUBENT 54 0 3043700299999
ENDENTRY 2 0 3043799999999