Pomeron-Nucleon Coupling in QCD

  • The Pomeron-nucleon coupling vertex is theoretically derived from the fundamental theory of strong interaction, QCD. The empirical vertex βγμF1(t) used commonly in diffractive processes with a coupling strength β=6.0GeV—1 is initially obtained. Our study not only reproduces the Pomeron-nucleon coupling from QCD but also clearly shows the gluonic origin and glueball nature of Pomeron. From this investigation together with the results of our previous study, we may claim that the Pomeron could be regarded as a Reggeized tensor glueball ξ(2230) with quantum numbers of IGJPC=0+2++which lies on the Pomeron rajectory αP(t=Mξ2)=2. Consequently, longstanding puzzle that no physical particle lies on the Pomeron trajectory seems to be solved.
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ZHOU Li-Juan, HE Xiao-Rong and MA Wei-Xing. Pomeron-Nucleon Coupling in QCD[J]. Chinese Physics C, 2005, 29(9): 856-861.
ZHOU Li-Juan, HE Xiao-Rong and MA Wei-Xing. Pomeron-Nucleon Coupling in QCD[J]. Chinese Physics C, 2005, 29(9): 856-861. shu
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Received: 2004-05-10
Revised: 1900-01-01
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Pomeron-Nucleon Coupling in QCD

    Corresponding author: MA Wei-Xing,
  • Department of Information and Computing Science, Guangxi University of Technology,Liuzhou 545006, China2 Department of Physics, Guangxi University, Nanning 530004, China3 Institute of High Energy Physics, CAS, Beijing 100049, China

Abstract: The Pomeron-nucleon coupling vertex is theoretically derived from the fundamental theory of strong interaction, QCD. The empirical vertex βγμF1(t) used commonly in diffractive processes with a coupling strength β=6.0GeV—1 is initially obtained. Our study not only reproduces the Pomeron-nucleon coupling from QCD but also clearly shows the gluonic origin and glueball nature of Pomeron. From this investigation together with the results of our previous study, we may claim that the Pomeron could be regarded as a Reggeized tensor glueball ξ(2230) with quantum numbers of IGJPC=0+2++which lies on the Pomeron rajectory αP(t=Mξ2)=2. Consequently, longstanding puzzle that no physical particle lies on the Pomeron trajectory seems to be solved.

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