Reference : Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/1632
Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior
English
Cudell, Jean-René mailto [Université de Liège - ULg > Département d'astrophys.]
Ezhela, Vladimir V. [Institute for High Energy Physics - IHEP (Protvino, RUS) >]
Gauron, P. [Université Pierre et Marie Curie > LPNHE-LPTPE >]
Kang, K. [Brown University > Physics Department >]
Kuyanov, Yu V. [Institute for High Energy Physics - IHEP (Protvino, RUS) >]
Lugovsky, S. B. [Institute for High Energy Physics - IHEP (Protvino, RUS) >]
Nicolescu, B. [Université Pierre et Marie Curie > LPNHE-LPTPE >]
Tkachenko, N. P. [Institute for High Energy Physics - IHEP (Protvino, RUS) >]
1-Apr-2002
Physical Review. D
American Physical Society
65
7
Part A
Yes
International
0556-2821
College Pk
U.S.A.
[en] total cross sections ; analytic S matrix ; elastic scattering
[en] We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data (pp, (p) over barp, pip, Kp, gammap, gammagamma, Sigmap). Although these parametrizations are very close for rootsgreater than or equal to9 GeV, it turns out that they differ markedly at low energy, where a universal Pomeron term similar toln(2)s enables one to extend the fit down to roots=4 GeV.
Researchers
http://hdl.handle.net/2268/1632
http://arxiv.org/abs/hep-ph/0107219

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