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Reconstructing parton distribution function based on maximum entropy method
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DOI：10.1088/1674-1137/ad1b3d.png)
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A new method based on the maximum entropy principle for reconstructing the parton distribution function (PDF) from moments is proposed. Unlike traditional methods, the new method does not require any artificial assumptions. For the case of moments with errors, we introduce Gaussian functions to soften the constraints of moments. Through a series of tests, the effectiveness and reconstruction efficiency of this new method are evaluated comprehensively, demonstrating that this method is reasonable and can achieve high-quality reconstruction with at least the first six moments as input. Finally, we select a set of lattice quantum chromodynamics (QCD) results regarding moments as input and provide reasonable reconstruction results for the pion.
Keyword:
parton distribution function
maximum entropy method
pion
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3.1
论文数:
4.8K
被引数:
6.0K
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An analysis of parton distribution functions of the pion and the kaon with the maximum entropy inputOAAI
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