Spontaneous fission of Cm244 with emission of a long-range alpha particle

1964 ◽  
Vol 16 (2) ◽  
pp. 170-171 ◽  
Author(s):  
L. Z. Malkin ◽  
I. D. Alkhazov ◽  
A. S. Krisvokhatskii ◽  
K. A. Petrzhak ◽  
L. M. Belov
Keyword(s):  
Long Range ◽  
Alpha Particle ◽  
Spontaneous Fission

XVIII.—The Emission of Long-Range Alpha Particles in Fission

1963 ◽  
Vol 66 (3) ◽  
pp. 192-209
Author(s):  
N. Feather
Keyword(s):  
Long Range ◽  
Alpha Particle ◽  
Experimental Tests ◽  
Alpha Particles ◽  
Ternary Fission ◽  
Neutron Excess ◽  
Final Energy ◽  
Open Question

It is generally agreed that the long-range alpha particles of fission are set free before the fragment nuclei have acquired more than a small fraction of their final energy of separation, but whether the alpha particle is liberated before the instant of scission, at that instant, or from one of the fragment nuclei very shortly thereafter, has remained an open question. Each of these views has been seriously advocated. These various hypotheses are examined in relation to recently published information regarding the distribution of mass in low-eneigy ternary fission, and other considerations, and it is suggested that the hypothesis having the strongest claim to attention is that which assumes that the alpha particles originate in the heavy fragments exclusively, being liberated, very shortly after the instant of scission, with probability not much less than unity, from fragment nuclei of low yield and small neutron excess. Conclusions which would follow, if this hypothesis were accepted, are indicated, and possible experimental tests of these conclusions are suggested.

Long-Range Particles ofZ=1 to 4Emitted During the Spontaneous Fission ofCf252

1967 ◽  
Vol 154 (4) ◽  
pp. 1193-1206 ◽  
Author(s):  
S. W. Cosper ◽  
J. Cerny ◽  
R. C. Gatti
Keyword(s):  
Long Range ◽  
Spontaneous Fission

Long range alpha particle associated neutron induced fission of U-235

1986 ◽  
Vol 93 (1-4) ◽  
pp. 45-48 ◽  
Author(s):  
J. Pannicke ◽  
M. Mutterer ◽  
J. P. Theobald ◽  
P. Heeg ◽  
K. Weingaertner ◽  
...  
Keyword(s):  
Long Range ◽  
Alpha Particle ◽  
Induced Fission
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