Independent Yields of Krypton and Xenon Isotopes in Thermal-Neutron Fission ofU235. Observation of an Odd-Even Effect in the Element Yield Distribution

1972 ◽  
Vol 6 (2) ◽  
pp. 618-628 ◽  
Author(s):  
B. Ehrenberg ◽  
S. Amiel

1956 ◽  
Vol 34 (3) ◽  
pp. 227-232 ◽  
Author(s):  
D. M. Wiles ◽  
J. A. Petruska ◽  
R. H. Tomlinson

The relative yields of the isotopes of cesium, cerium, neodymium, and samarium produced by the thermal neutron fission of Pu239 have been determined with a mass spectrometer. Preliminary values of the absolute yields of 16 isotopes of these elements together with four yields of the xenon isotopes have been assigned by means of isotope dilution techniques.



1953 ◽  
Vol 31 (3) ◽  
pp. 419-431 ◽  
Author(s):  
D. R. Wiles ◽  
B. W. Smith ◽  
R. Horsley ◽  
H. G. Thode

The relative yields of the isotopes of cesium, rubidium, and strontium from thermal neutron fission of U235 have been determined mass spectrometrically. The cesium isotope yields are combined with those obtained previously for the xenon isotopes to give high precision yields for mass chains from 131 to 137. In this work neutron capture reactions have been considered and corrections made where these take place to an appreciable extent. The results give further evidence of abnormal yields in the 82 neutron shell region. The half-life of Cs137 was determined and found to be 33 ± 2 years.





1956 ◽  
Vol 104 (4) ◽  
pp. 1046-1053 ◽  
Author(s):  
Bernard L. Cohen ◽  
Anna Foner Cohen ◽  
Charles D. Coley


1978 ◽  
Vol 78 (5) ◽  
pp. 564-567 ◽  
Author(s):  
C.B. Franklyn ◽  
C. Hofmeyer ◽  
D.W. Mingay


1965 ◽  
Vol 27 (7) ◽  
pp. 1447-1450 ◽  
Author(s):  
S. Katcoff ◽  
W. Rubinson


1985 ◽  
Vol 32 (4) ◽  
pp. 1327-1334 ◽  
Author(s):  
P. L. Reeder ◽  
R. A. Warner ◽  
G. P. Ford ◽  
H. Willmes




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