Boer-Mulders function of the pion in the MIT bag model

We apply the MIT bag model to study the Boer-Mulders function of the pion, a T-odd function that describes the transverse polarization distribution of the quark inside the pion. We simulate the effect of the gauge link through the "one-gluon-exchange" approximation. We consider both the qu...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-11, Vol.86 (9), Article 094023
Main Authors: Lu, Zhun, Ma, Bo-Qiang, Zhu, Jiacai
Format: Article
Language:English
Subjects:
Approximation
Cosmology
Gravitation
Helicity
Mathematical analysis
Mathematical models
Pions
Quarks
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Summary:We apply the MIT bag model to study the Boer-Mulders function of the pion, a T-odd function that describes the transverse polarization distribution of the quark inside the pion. We simulate the effect of the gauge link through the "one-gluon-exchange" approximation. We consider both the quark helicity nonflip and double-flip contributions. The result in the MIT bag model is compared with those in the spectator models.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.86.094023