dorsal/arxiv
View SchemaMesonic and Binding Contributions to the EMC Effect in a Relativistic Many Body Approach
| Authors | E. Marco, E. Oset, P. Fernández de Córdoba |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9510060 |
| URL | https://arxiv.org/abs/nucl-th/9510060 |
| DOI | 10.1016/S0375-9474(96)00289-8 |
| Journal | Nucl.Phys. A611 (1996) 484-513 |
Abstract
We revise the conventional nuclear effects of Fermi motion, binding and pionic effects in deep inelastic lepton scattering using a relativistic formalism for an interacting Fermi sea and the local density approximation to translate results from nuclear matter to finite nuclei. In addition we also consider effects from rho-meson renormalization in the nucleus. The use of nucleon Green's functions in terms of their spectral functions offers a precise way to account for Fermi motion and binding. On the other hand the use of many body Feynman diagrams in a relativistic framework allows one to avoid using prescriptions given in the past to introduce relativistic corrections in a non relativistic formalism. We show that with realistic nucleon spectral functions and meson nucleus selfenergies one can get a reasonable description of the EMC effect for x > 0.15, outside the shadowing region.
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"abstract": "We revise the conventional nuclear effects of Fermi motion, binding and\npionic effects in deep inelastic lepton scattering using a relativistic\nformalism for an interacting Fermi sea and the local density approximation to\ntranslate results from nuclear matter to finite nuclei. In addition we also\nconsider effects from rho-meson renormalization in the nucleus. The use of\nnucleon Green\u0027s functions in terms of their spectral functions offers a precise\nway to account for Fermi motion and binding. On the other hand the use of many\nbody Feynman diagrams in a relativistic framework allows one to avoid using\nprescriptions given in the past to introduce relativistic corrections in a non\nrelativistic formalism. We show that with realistic nucleon spectral functions\nand meson nucleus selfenergies one can get a reasonable description of the EMC\neffect for x \u003e 0.15, outside the shadowing region.",
"arxiv_id": "nucl-th/9510060",
"authors": [
"E. Marco",
"E. Oset",
"P. Fern\u00e1ndez de C\u00f3rdoba"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/S0375-9474(96)00289-8",
"journal_ref": "Nucl.Phys. A611 (1996) 484-513",
"title": "Mesonic and Binding Contributions to the EMC Effect in a Relativistic Many Body Approach",
"url": "https://arxiv.org/abs/nucl-th/9510060"
},
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