Asymptotic Regge trajectories of non-strange mesons

被引:0
作者
K. A. Bugaev
E. G. Nikonov
A. S. Sorin
G. M. Zinovjev
机构
[1] National Academy of Sciences of Ukraine,Bogolyubov Institute for Theoretical Physics
[2] Joint Institute for Nuclear Research,Laboratory for Information Technologies
[3] Joint Institute for Nuclear Research,Bogoliubov Laboratory of Theoretical Physics
来源
Journal of High Energy Physics | / 2011卷
关键词
QCD Phenomenology; Phenomenological Models;
D O I
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摘要
We analyze the asymptotic behavior of Regge trajectories of non-strange mesons. In contrast to an existing belief, it is demonstrated that for the asymptotically linear Regge trajectories the width of heavy hadrons cannot linearly depend on their mass. Using the data on masses and widths of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ {\rho_{{J^{ - - }}}} $\end{document}, \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ {\omega_{{J^{ - - }}}} $\end{document}, \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ {a_{{J^{ + + }}}} $\end{document} and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ {f_{{J^{ + + }}}} $\end{document} mesons for the spin values J ≤ 6, we extract the parameters of the asymptotically linear Regge trajectory predicted by the finite width model of quark gluon bags. As it is shown the obtained parameters for both sets of data are consistent with the cross-over temperature determined by the lattice QCD simulations at vanishing baryonic density and with the kinetic freeze-out temperature of early hadronizing particles found in relativistic heavy ion collisions at and above the highest SPS energy.
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