Pomeron-Nucleon Coupling in QCD

ZHOU Li-Juan; HE Xiao-Rong; MA Wei-Xing

Chinese Physics C> 2005, Vol. 29> Issue(9) : 856-861

Pomeron-Nucleon Coupling in QCD

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

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Abstract：
The Pomeron-nucleon coupling vertex is theoretically derived from the fundamental theory of strong interaction, QCD. The empirical vertex βγ^μF¹(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 I^GJ^PC=0⁺2⁺⁺which lies on the Pomeron rajectory α_P(t=M_ξ²)=2. Consequently, longstanding puzzle that no physical particle lies on the Pomeron trajectory seems to be solved.

References

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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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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2004-05-10

Accepted Date: 1900-01-01

Available Online: 2005-09-05

Abstract: The Pomeron-nucleon coupling vertex is theoretically derived from the fundamental theory of strong interaction, QCD. The empirical vertex βγ^μF¹(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 I^GJ^PC=0⁺2⁺⁺which lies on the Pomeron rajectory α_P(t=M_ξ²)=2. Consequently, longstanding puzzle that no physical particle lies on the Pomeron trajectory seems to be solved.

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Pomeron-Nucleon Coupling in QCD

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