Valence quark distribution in A=3 nuclei -: art. no. 045208

被引：19

作者：

Benesh, CJ ^{[1
]}

Goldman, T

Stephenson, GJ

机构：

[1] Wesleyan Coll, Dept Chem & Phys, Macon, GA 31204 USA

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[3] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA

来源：

PHYSICAL REVIEW C | 2003年 / 68卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.68.045208

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We calculate the quark distribution function for He-3/H-3 in a relativistic quark model of nuclear structure which adequately reproduces the nucleon approximation, nuclear binding energies, and nuclear sizes for small nuclei. The results show a clear distortion from the quark distribution function for individual nucleons (EMC effect) arising dominantly from a combination of recoil and quark tunneling effects. Antisymmetrization (Pauli) effects are found to be small due to limited spatial overlaps. We compare our predictions with a published parametrization of the nuclear valence quark distributions and find significant agreement.

引用

页码：452081 / 452088

页数：8

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