Energy dependence of backward particle emission from high-energy Hadron-nucleus collisions

1978 ◽  
Vol 21 (1) ◽  
pp. 1-4 ◽  
Author(s):  
H. Fukushima ◽  
T. Hayashino ◽  
T. Hara
1982 ◽  
Vol 32 (11) ◽  
pp. 1221-1224
Author(s):  
D. Ghosh ◽  
J. Roy ◽  
M. Basu ◽  
A. Bhattacharjee ◽  
T. Guhathakurta ◽  
...  

It is shown that the first Bom approximation for the exchange of two uncorrelated electrons should vanish. A formalism for the T matrix is presented which has this property. The high-energy result for the two-electron exchange cross-section previously calculated in first Born approximation behaves like E -7 . This result is in error due to a lack of orthogonality of initial and final states. When this is corrected the result for uncorrelated electrons has an energy dependence E -11 . The introduction of correlation gives terms behaving like E -10 which cannot be calculated unam biguously.


2014 ◽  
Vol 2014 (5) ◽  
Author(s):  
Benjamin Fuks ◽  
Josselin Proudom ◽  
Juan Rojo ◽  
Ingo Schienbein

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