dorsal/arxiv
View SchemaEMC and Polarized EMC Effects in Nuclei
| Authors | I. C. Cloet, W. Bentz, A. W. Thomas |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0605061 |
| URL | https://arxiv.org/abs/nucl-th/0605061 |
| DOI | 10.1016/j.physletb.2006.08.076 |
| Journal | Phys.Lett.B642:210-217,2006 |
Abstract
We determine nuclear structure functions and quark distributions for $^7$Li, $^{11}$B, $^{15}$N and $^{27}$Al. For the nucleon bound state we solve the covariant quark-diquark equations in a confining Nambu--Jona-Lasinio model, which yields excellent results for the free nucleon structure functions. The nucleus is described using a relativistic shell model, including mean scalar and vector fields that couple to the quarks in the nucleon. The nuclear structure functions are then obtained as a convolution of the structure function of the bound nucleon with the light-cone nucleon distributions. We find that we are readily able to reproduce the EMC effect in finite nuclei and confirm earlier nuclear matter studies that found a large polarized EMC effect.
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"abstract": "We determine nuclear structure functions and quark distributions for $^7$Li,\n$^{11}$B, $^{15}$N and $^{27}$Al. For the nucleon bound state we solve the\ncovariant quark-diquark equations in a confining Nambu--Jona-Lasinio model,\nwhich yields excellent results for the free nucleon structure functions. The\nnucleus is described using a relativistic shell model, including mean scalar\nand vector fields that couple to the quarks in the nucleon. The nuclear\nstructure functions are then obtained as a convolution of the structure\nfunction of the bound nucleon with the light-cone nucleon distributions. We\nfind that we are readily able to reproduce the EMC effect in finite nuclei and\nconfirm earlier nuclear matter studies that found a large polarized EMC effect.",
"arxiv_id": "nucl-th/0605061",
"authors": [
"I. C. Cloet",
"W. Bentz",
"A. W. Thomas"
],
"categories": [
"nucl-th",
"hep-ph",
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],
"doi": "10.1016/j.physletb.2006.08.076",
"journal_ref": "Phys.Lett.B642:210-217,2006",
"title": "EMC and Polarized EMC Effects in Nuclei",
"url": "https://arxiv.org/abs/nucl-th/0605061"
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