scholarly journals Comment on theππγContribution to the Absorptive Amplitude forKL→μμ¯

1973 ◽  
Vol 8 (7) ◽  
pp. 2299-2302 ◽  
Author(s):  
W. Alles ◽  
M. K. Gaillard ◽  
J. C. Pati
Keyword(s):  
Absorptive Amplitude

ππ and π– p → π0n Scattering in a Multiple-Reggeon-Cut Dual Absorptive Model

1976 ◽  
Vol 31 (6) ◽  
pp. 557-564
Author(s):  
W. Braun
Keyword(s):  
Charge Exchange ◽  
Cross Sections ◽  
Resonance Region ◽  
High Energy ◽  
Energy Data ◽  
Free Parameters ◽  
Absorptive Amplitude

A dual absorptive amplitude, in which s-channel resonances are generated by summing up t-channel n-Reggeon cuts, is constructed. Adjusting the two free parameters of the model in the resonance region of π π scattering, the various π π differential high energy cross sections are calculated. The model is also applied to π N charge exchange, where a fit to the high energy data is obtained even without Reggeon-Pomeron cuts

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