Chinese Physics C > 1997, Vol. 21 > Issue(2): 146-156

Non-perturbative Quark Propagator and the Study of the Non-trivial Q²Dependence in the Nucleon Structure Functions

Department of Physics,Nanjing Normal University,Nanjing 2100972 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

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In consideration of the lowest order non-perturbative effect due to the quark condensate < qq>and gluon condensate on the quark propagator,we calculate QCD non-pertubative quark propagator under the chain approximation.Using the obtained non-perturbative quark propagator,we analyse the non-perturbative effect in the nucleon structure functions and show the non-trivial Q ²-dependence in the nucleon structure functions.

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Yang Jianjun, Ma Boqiang and Li Guanglie. Non-perturbative Quark Propagator and the Study of the Non-trivial Q ²Dependence in the Nucleon Structure Functions[J]. Chinese Physics C, 1997, 21(2): 146-156.

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Received: 1900-01-01
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

Non-perturbative Quark Propagator and the Study of the Non-trivial Q²Dependence in the Nucleon Structure Functions

Corresponding author:Yang Jianjun,

Department of Physics,Nanjing Normal University,Nanjing 2100972 Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1997-02-05

Abstract:In consideration of the lowest order non-perturbative effect due to the quark condensate < qq>and gluon condensate on the quark propagator,we calculate QCD non-pertubative quark propagator under the chain approximation.Using the obtained non-perturbative quark propagator,we analyse the non-perturbative effect in the nucleon structure functions and show the non-trivial Q ²-dependence in the nucleon structure functions.