Truncated Balitskii-Fadin-Kuraev-Lipatov series and hadronic collisions
Fecha
2001Materia
Abstract
We study the contribution of a truncated Balitskiı˘-Fadin-Kuraev-Lipatov Pomeron series to the hadronic processes showing that a reliable description is obtained using two orders in perturbation theory. The pp(pp¯ ) total cross sections are described with good agreement, consistent with the unitarity bound. We also calculate the elastic-scattering amplitude at nonzero momentum transfer t, introducing two distinct Ansätze for the proton impact factor. As a by product the elastic differential cro ...
We study the contribution of a truncated Balitskiı˘-Fadin-Kuraev-Lipatov Pomeron series to the hadronic processes showing that a reliable description is obtained using two orders in perturbation theory. The pp(pp¯ ) total cross sections are described with good agreement, consistent with the unitarity bound. We also calculate the elastic-scattering amplitude at nonzero momentum transfer t, introducing two distinct Ansätze for the proton impact factor. As a by product the elastic differential cross section is obtained at the small t approximation and compared with the data, describing with good agreement this observable for both low- and highenergy values. ...
En
Physical review. D, Particles and fields. Melville. Vol. 63, no. 9 (May 2001), 094018 8p.
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