Article (Scientific journals)
Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior
Cudell, Jean-René; Ezhela, Vladimir V.; Gauron, P. et al.
2002In Physical Review. D, Particles and Fields, 65 (7)
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Keywords :
total cross sections; analytic S matrix; elastic scattering
Abstract :
[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.
Disciplines :
Physics
Earth sciences & physical geography
Author, co-author :
Cudell, Jean-René  ;  Université de Liège - ULiège > 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)
Language :
English
Title :
Hadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior
Publication date :
01 April 2002
Journal title :
Physical Review. D, Particles and Fields
ISSN :
0556-2821
eISSN :
1089-4918
Publisher :
American Physical Society, College Pk, United States
Volume :
65
Issue :
7
Pages :
Part A
Peer reviewed :
Peer reviewed
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since 01 December 2008

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