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arXiv · hep-ph/0106074

Detailed Balance and Sea-Quark Flavor Asymmetry of Proton

Yong-Jun Zhang·Bin Zhang·Bo-Qiang Ma
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Abstract

In this study, the proton is taken as an ensemble of quark-gluon Fock states. Using the principle of detailed balance, the probabilities of finding every Fock states of the proton are obtained without any parameter. A new origin of the light flavor sea quark asymmetry, i.e., $\bar{u} \not= \bar{d}$, is given as a pure statistical effect. It is found that $\bar{d}-\bar{u} \approx 0.124$, which is in surprisingly agreement with the experimental observation.

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Yong-Jun Zhang, Bin Zhang, Bo-Qiang Ma. 2001-11-07. Detailed Balance and Sea-Quark Flavor Asymmetry of Proton. https://doi.org/10.1016/s0370-2693(01)01266-7

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