Parton distribution functions and nuclear EMC effect in a statistical model

SHAO Li-Jing; ZHANG Yun-Hua; MA Bo-Qiang

doi:10.1088/1674-1137/34/9/059

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1417-1420 DOI: 10.1088/1674-1137/34/9/059

Parton distribution functions and nuclear EMC effect in a statistical model

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Abstract：
A new and simple statistical approach is performed to calculate the parton distribution functions (PDFs) of the nucleon in terms of light-front kinematic variables. Analytic expressions of x-dependent PDFs are obtained in the whole x region. And thereafter, we treat the temperature T as a parameter of the atomic number A to explain the nuclear EMC ef\/fect in the region x∈[0.2, 0.7]. We give the predictions of PDF ratios, and they are very different from those by other models, thus experiments aiming at measuring PDF ratios are suggested to provide a discrimination of different models.

References

[1]

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SHAO Li-Jing, ZHANG Yun-Hua and MA Bo-Qiang. Parton distribution functions and nuclear EMC effect in a statistical model[J]. Chinese Physics C, 2010, 34(9): 1417-1420. doi: 10.1088/1674-1137/34/9/059

SHAO Li-Jing, ZHANG Yun-Hua and MA Bo-Qiang. Parton distribution functions and nuclear EMC effect in a statistical model[J]. Chinese Physics C, 2010, 34(9): 1417-1420. doi: 10.1088/1674-1137/34/9/059 shu

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Received: 2010-02-04
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

Parton distribution functions and nuclear EMC effect in a statistical model

Corresponding author: MA Bo-Qiang,

Received Date: 2010-02-04

Accepted Date: 1900-01-01

Available Online: 2010-09-05

Abstract:

A new and simple statistical approach is performed to calculate the parton distribution functions (PDFs) of the nucleon in terms of light-front kinematic variables. Analytic expressions of x-dependent PDFs are obtained in the whole x region. And thereafter, we treat the temperature T as a parameter of the atomic number A to explain the nuclear EMC ef\/fect in the region x∈[0.2, 0.7]. We give the predictions of PDF ratios, and they are very different from those by other models, thus experiments aiming at measuring PDF ratios are suggested to provide a discrimination of different models.

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Parton distribution functions and nuclear EMC effect in a statistical model

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