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                                 Abstract:In this paper the quark self-energy with nolocal quark-pion interaction is calculated and the convergent self-energy is obtained. Based on the results it is found that the divergence is merely due to the assumption of pointlike pion made in the calculation.
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                        References
	
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				| [1] | Guo Hua
								. In-medium QMC Model Parameters and Quark Condensation in Nuclear Matter. Chinese Physics C,
							1999, 23(5): 459-468. |  
				| [2] | Yang Jianjun
								, Ma Boqiang
								, Li Guanglie
								. Non-perturbative Quark Propagator and the Study of the Non-trivial Q2 Dependence in the Nucleon Structure Functions. Chinese Physics C,
							1997, 21(2): 146-156. |  
 
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