Bayesian extraction of the parton distribution amplitude from the Bethe–Salpeter wave function

Bayesian extraction of the parton distribution amplitude from the Bethe–Salpeter wave function

We propose a new numerical method to compute the parton distribution amplitude (PDA) from the Euclidean Bethe–Salpeter wave function. The essential step is to extract the weight function in the Nakanishi representation of the Bethe–Salpeter wave function in Euclidean space, which is an ill-posed inv...

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Bibliographic Details
Main Authors: Fei Gao, Lei Chang, Yu-xin Liu
Format: Article
Language:English
Published: Elsevier 2017-07-01
Series:Physics Letters B
Subjects:
Parton distribution function
Nakanishi representation
Bethe–Salpeter amplitude
Maximum entropy method
Light-front wave function
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269317303751

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http://www.sciencedirect.com/science/article/pii/S0370269317303751

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