Behavior of Cross Sections Near Threshold of a New Reaction in the Case of a Coulomb Attraction Field

2019 ◽  
pp. 103-107
Author(s):  
M. Gaĭlitis
Keyword(s):  
Cross Sections ◽  
Coulomb Attraction ◽  
Near Threshold

Integral cross sections for electron-impact excitation of the 33S and 31S states of He near threshold

2006 ◽  
Vol 39 (6) ◽  
pp. 1547-1561 ◽  
Author(s):  
M Stepanović ◽  
M Minić ◽  
D Cvejanović ◽  
J Jureta ◽  
J Kurepa ◽  
...  
Keyword(s):  
Electron Impact ◽  
Cross Sections ◽  
Impact Excitation ◽  
Electron Impact Excitation ◽  
Near Threshold

scholarly journals Study of the 165Ho(n,2n)164Ho reaction at near threshold energies

2020 ◽  
Vol 27 ◽  
pp. 160
Author(s):  
Efstathia Georgali ◽  
N. Patronis ◽  
A. Anastasiadis ◽  
M. Axiotis ◽  
Z. Eleme ◽  
...  
Keyword(s):  
Cross Sections ◽  
Isomeric State ◽  
Ground State ◽  
Preliminary Analysis ◽  
Reaction Channel ◽  
Activation Technique ◽  
Monoenergetic Neutron ◽  
Theoretical Predictions ◽  
Threshold Energies ◽  
Near Threshold

The present work concerns the preliminary analysis for the study of the (n,2n) reaction channel of the 165Ho isotope at near threshold energies: 10.1, 10.4 and 10.7 MeV (Eth=8.04 MeV). The cross sections for the population of both the ground state (Jπ=1+) and the isomeric state (Jπ=6-, Eex=139.8 keV) of the 164Ho product-nucleus were measured at the afore mentioned energies via the activation technique relative to the 27Al(n,α)24Na and 197Au(n,2n)196Au reactions. The quasi-monoenergetic neutron beams were produced through the 2H(d,n)3He reaction in the 5.5 MV Tandem Van de Graaf accelerator of N.C.S.R ''Demokritos''. The preliminary experimental results are compared with theoretical predictions based on TALYS code.

Enhanced photoneutron cross sections for zirconium isotopes near threshold: evidence for extra M1 strength?

2008 ◽  
Author(s):  
H. Utsunomiya ◽  
S. Goriely ◽  
A. J. Koning ◽  
S. Hilaire ◽  
S. Goko ◽  
...  
Keyword(s):  
Cross Sections ◽  
Near Threshold
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