Resolved photon and multicomponent model for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* p$\end{document} and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* \gamma^*$\end{document} scattering at high energies

被引:0
作者
T. Pietrycki
A. Szczurek
机构
[1] Institute of Nuclear Physics,
[2] University of Rzeszów,undefined
关键词
Experimental Data; Field Theory; Elementary Particle; Quantum Field Theory; Previous Analysis;
D O I
10.1140/epjc/s2005-02351-5
中图分类号
学科分类号
摘要
We generalize our previous model for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* p$\end{document} scattering to \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma \gamma$\end{document} scattering. In the latter case the number of components naturally grows. When using the model parameters from our previous \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* p$\end{document} analysis the model cross section for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma \gamma$\end{document} scattering is larger than the corresponding LEP2 experimental data by more than a factor of two. However, performing a new simultaneous fit to the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* p$\end{document} and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma \gamma$\end{document} total cross section we can find an optimal set of parameters to describe both processes. We compare predictions of our model with experimental \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* \gamma$\end{document} total cross-section data. We propose new measures of factorization breaking for \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$\gamma^* \gamma^*$\end{document} collisions and present results for our new model.
引用
收藏
页码:103 / 110
页数:7
相关论文
共 26 条
[21]  
collaboration) undefined(1984)undefined Z. Phys. C 26 353-undefined
[22]  
collaboration) undefined(1998)undefined Phys. Lett. B 436 403-undefined
[23]  
collaboration) undefined(1997)undefined Phys. Lett. B 411 387-undefined
[24]  
collaboration) undefined(2004)undefined Int. J. Mod. Phys. A 19 5097-undefined
[25]  
Report undefined(2002)undefined Eur. Phys. J. C 22 637-undefined
[26]  
Nikolaev undefined(undefined)undefined undefined undefined undefined-undefined