The Age of Innocence

2018 ◽  
Author(s):  
Roger H. Stuewer
Keyword(s):  
Nuclear Physics ◽  
Nuclear Reactions ◽  
Alpha Decay ◽  
Nuclear Fission ◽  
Theoretical Physics ◽  
Lise Meitner ◽  
Artificial Radioactivity ◽  
The Great Depression ◽  
Nuclear Disintegration ◽  
Quantum Mechanical Theory

Nuclear physics emerged as the dominant field in experimental and theoretical physics between 1919 and 1939, the two decades between the First and Second World Wars. Milestones were Ernest Rutherford’s discovery of artificial nuclear disintegration (1919), George Gamow’s and Ronald Gurney and Edward Condon’s simultaneous quantum-mechanical theory of alpha decay (1928), Harold Urey’s discovery of deuterium (the deuteron), James Chadwick’s discovery of the neutron, Carl Anderson’s discovery of the positron, John Cockcroft and Ernest Walton’s invention of their eponymous linear accelerator, and Ernest Lawrence’s invention of the cyclotron (1931–2), Frédéric and Irène Joliot-Curie’s discovery and confirmation of artificial radioactivity (1934), Enrico Fermi’s theory of beta decay based on Wolfgang Pauli’s neutrino hypothesis and Fermi’s discovery of the efficacy of slow neutrons in nuclear reactions (1934), Niels Bohr’s theory of the compound nucleus and Gregory Breit and Eugene Wigner’s theory of nucleus+neutron resonances (1936), and Lise Meitner and Otto Robert Frisch’s interpretation of nuclear fission, based on Gamow’s liquid-drop model of the nucleus (1938), which Frisch confirmed experimentally (1939). These achievements reflected the idiosyncratic personalities of the physicists who made them; they were shaped by the physical and intellectual environments of the countries and institutions in which they worked; and they were buffeted by the profound social and political upheavals after the Great War: the punitive postwar treaties, the runaway inflation in Germany and Austria, the Great Depression, and the greatest intellectual migration in history, which encompassed some of the most gifted experimental and theoretical nuclear physicists in the world.

Spectroscopic factors for alpha decay in the NpNn scheme

2008 ◽  
Vol 665 (4) ◽  
pp. 182-185 ◽  
Author(s):  
Madhubrata Bhattacharya ◽  
Subinit Roy ◽  
G. Gangopadhyay
Keyword(s):  
Alpha Decay ◽  
Spectroscopic Factors

Microscopic description of alpha decay of deformed nuclei

1991 ◽  
Vol 44 (1) ◽  
pp. 545-547 ◽  
Author(s):  
A. Insolia ◽  
P. Curutchet ◽  
R. J. Liotta ◽  
D. S. Delion
Keyword(s):  
Alpha Decay ◽  
Microscopic Description ◽  
Deformed Nuclei

scholarly journals Extended systematics of alpha decay half lives for exotic superheavy nuclei

2016 ◽  
Vol 951 ◽  
pp. 60-74 ◽  
Author(s):  
A.I. Budaca ◽  
R. Budaca ◽  
I. Silisteanu
Keyword(s):  
Alpha Decay ◽  
Superheavy Nuclei

Parity-Forbidden alpha decay from the 2− (8.88 MeV) level in 16O

1970 ◽  
Vol 31 (10) ◽  
pp. 627-631 ◽  
Author(s):  
M. Gari
Keyword(s):  
Alpha Decay

Swelling induced by alpha decay in monazite and zirconolite ceramics: A XRD and TEM comparative study

2014 ◽  
Vol 448 (1-3) ◽  
pp. 184-194 ◽  
Author(s):  
X. Deschanels ◽  
A.M. Seydoux-Guillaume ◽  
V. Magnin ◽  
A. Mesbah ◽  
M. Tribet ◽  
...  
Keyword(s):  
Comparative Study ◽  
Alpha Decay ◽  
Xrd And Tem

ALPHA-DECAY STUDIES ON 130-153Eu NUCLEI

2013 ◽  
Vol 22 (11) ◽  
pp. 1350081 ◽  
Author(s):  
K. P. SANTHOSH ◽  
B. PRIYANKA
Keyword(s):  
Experimental Data ◽  
Potential Model ◽  
Alpha Decay ◽  
Shell Closure ◽  
Proximity Potential ◽  
Deformed Nuclei ◽  
Neutron Shell ◽  
Good Agreement ◽  
Neutron Shell Closure

The alpha-decay half-lives of the 24 isotopes of Eu (Z = 63) nuclei in the region 130≤A≤153, have been studied systematically within the Coulomb and proximity potential model (CPPM). We have modified the assault frequency and re-determined the half-lives and they show a better agreement with the experimental value. We have also done calculations on the half-lives within the recently proposed Coulomb and proximity potential model for deformed nuclei (CPPMDN). The computed half-lives are compared with the experimental data and they are in good agreement. Using our model, we could also demonstrate the influence of the neutron shell closure at N = 82, in both parent and daughter nuclei, on the alpha-decay half-lives.

Nuclear field theory approach to alpha-decay

1979 ◽  
Vol 82 (3-4) ◽  
pp. 329-331 ◽  
Author(s):  
F.A. Janouch ◽  
R.J. Liotta
Keyword(s):  
Field Theory ◽  
Alpha Decay ◽  
Theory Approach ◽  
Nuclear Field
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