Chin. Phys. Lett.  2001, Vol. 18 Issue (6): 743-745    DOI:
Original Articles |
Calculation of the π Meson Electromagnetic Form Factor
WANG Zhi-Gang;WAN Shao-Long;WANG Ke-Lin
Center for Nonlinear Science, University of Science and Technology of China, Hefei 230026 Department of Astronomy and Applied Physics, University of Science and Technology of China, Hefei 230026
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WANG Zhi-Gang, WAN Shao-Long, WANG Ke-Lin 2001 Chin. Phys. Lett. 18 743-745
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Abstract The modified flat-bottom potential (MFBP) is given by the combination of the flat-bottom potential with considerations for the infrared and ultraviolet asymptotic behaviour of the effective quark-gluon coupling. The π meson electromagnetic form factor is calculated in the framework of coupled Schwinger-Dyson equation and Bethe-Salpeter equation in simplified impulse approximation (dressed vertex) with MFBP. All our numerical results give good fit to experimental values.
Keywords: 14.40.-n      11.10.Gh      11.10.St      12.40.qq     
Published: 01 June 2001
PACS:  14.40.-n (Mesons)  
  11.10.Gh (Renormalization)  
  11.10.St (Bound and unstable states; Bethe-Salpeter equations)  
  12.40.qq  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I6/0743
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