Flavor-Singlet Axial-Vector Current in Quark Model Within Background Field

CHEN Kun; YAN Mu-Lin

Chinese Physics C> 1993, Vol. 17> Issue(2) : 114-118

Flavor-Singlet Axial-Vector Current in Quark Model Within Background Field

CHEN Kun ^, ,
YAN Mu-Lin

University of Science and Technology of China,Hefei,230026Fundamental Physics Center,University of Science and Technology of China,Hefei 230026

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Abstract：
We calculate the flavor-singlet axial-vector current in a quark model within pseudoscalar background-field through the Seeley-DeWitt coefficients.This current is responsible for the quark spin content of proton,and is of O(1) in the large-N_e expansion.

References

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CHEN Kun and YAN Mu-Lin. Flavor-Singlet Axial-Vector Current in Quark Model Within Background Field[J]. Chinese Physics C, 1993, 17(2): 114-118.

CHEN Kun and YAN Mu-Lin. Flavor-Singlet Axial-Vector Current in Quark Model Within Background Field[J]. Chinese Physics C, 1993, 17(2): 114-118. shu

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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

Flavor-Singlet Axial-Vector Current in Quark Model Within Background Field

CHEN Kun ^,
YAN Mu-Lin

Corresponding author: CHEN Kun,

University of Science and Technology of China,Hefei,230026Fundamental Physics Center,University of Science and Technology of China,Hefei 230026

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-02-05

Abstract: We calculate the flavor-singlet axial-vector current in a quark model within pseudoscalar background-field through the Seeley-DeWitt coefficients.This current is responsible for the quark spin content of proton,and is of O(1) in the large-N_e expansion.