dorsal/arxiv
View SchemaA simple qualitative description of EMC ratios \mu^A for 0.2 <~ x <~ 1.5 and some sample calculations
| Authors | A. S. Rinat, M. F. Taragin, M. Viviani, . |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0412053 |
| URL | https://arxiv.org/abs/nucl-th/0412053 |
| DOI | 10.1103/PhysRevC.72.015211 |
| Journal | Phys.Rev. C72 (2005) 015211 |
Abstract
We study EMC ratios on the basis of a relation between Structure Functions (SF) for a nucleus and for a nucleon, which is governed by a SF f^{PN,A}(x,Q^2) of an unphysical nucleus, composed of point-nucleons. We demonstrate that the characteristic features of EMC ratios \mu^A are determined by the above f^{PN,A} and the SF of free nucleons. We account for the positions of the points x_{1,2} in the interval 0.2 <~ x <~ 0.9, where \mu^A(x,Q^2)=1 and also for the minimum x_m in that interval. We similarly describe the oscillations in \mu^A for Q^2 <~ (3.5-4.0) GeV^2 in the Quasi-Elastic peak region 0.95 <~ x <~ 1.05 and for its subsequent continuous increase up to x\approx 1.4. Finally we compute \mu^A over the entire range above for A=^4He, C, Fe and Au and several Q^2 values. The results are in reasonable agreement with both directly measured and indirectly extracted data.
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"abstract": "We study EMC ratios on the basis of a relation between Structure Functions\n(SF) for a nucleus and for a nucleon, which is governed by a SF f^{PN,A}(x,Q^2)\nof an unphysical nucleus, composed of point-nucleons. We demonstrate that the\ncharacteristic features of EMC ratios \\mu^A are determined by the above\nf^{PN,A} and the SF of free nucleons. We account for the positions of the\npoints x_{1,2} in the interval 0.2 \u003c~ x \u003c~ 0.9, where \\mu^A(x,Q^2)=1 and also\nfor the minimum x_m in that interval. We similarly describe the oscillations in\n\\mu^A for Q^2 \u003c~ (3.5-4.0) GeV^2 in the Quasi-Elastic peak region 0.95 \u003c~ x \u003c~\n1.05 and for its subsequent continuous increase up to x\\approx 1.4. Finally we\ncompute \\mu^A over the entire range above for A=^4He, C, Fe and Au and several\nQ^2 values. The results are in reasonable agreement with both directly measured\nand indirectly extracted data.",
"arxiv_id": "nucl-th/0412053",
"authors": [
"A. S. Rinat",
"M. F. Taragin",
"M. Viviani",
"."
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.72.015211",
"journal_ref": "Phys.Rev. C72 (2005) 015211",
"title": "A simple qualitative description of EMC ratios \\mu^A for 0.2 \u003c~ x \u003c~ 1.5 and some sample calculations",
"url": "https://arxiv.org/abs/nucl-th/0412053"
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