dorsal/arxiv
View SchemaHyperon production in near threshold nucleon-nucleon collisions
| Authors | Radhey Shyam |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0512007 |
| URL | https://arxiv.org/abs/nucl-th/0512007 |
| DOI | 10.1103/PhysRevC.73.035211 |
| Journal | Phys.Rev. C73 (2006) 035211 |
Abstract
We study the mechanism of the associated Lambda-kaon and Sigma-kaon production in nucleon-nucleon collisions over an extended range of near threshold beam energies within an effective Lagrangian model, to understand of the new data on pp --> p Lambda K+ and pp --> p Sigma0 K+ reactions published recently by the COSY-11 collaboration. In this theory, the hyperon production proceeds via the excitation of N*(1650), N*(1710), and N*(1720) baryonic resonances. Interplay of the relative contributions of various resonances to the cross sections, is discussed as a function of the beam energy over a larger near threshold energy domain. Predictions of our model are given for the total cross sections of pp --> p Sigma+K0, pp --> n Sigma+K+, and pn --> n Lambda K+ reactions.
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"abstract": "We study the mechanism of the associated Lambda-kaon and Sigma-kaon\nproduction in nucleon-nucleon collisions over an extended range of near\nthreshold beam energies within an effective Lagrangian model, to understand of\nthe new data on pp --\u003e p Lambda K+ and pp --\u003e p Sigma0 K+ reactions published\nrecently by the COSY-11 collaboration. In this theory, the hyperon production\nproceeds via the excitation of N*(1650), N*(1710), and N*(1720) baryonic\nresonances. Interplay of the relative contributions of various resonances to\nthe cross sections, is discussed as a function of the beam energy over a larger\nnear threshold energy domain. Predictions of our model are given for the total\ncross sections of pp --\u003e p Sigma+K0, pp --\u003e n Sigma+K+, and pn --\u003e n Lambda K+\nreactions.",
"arxiv_id": "nucl-th/0512007",
"authors": [
"Radhey Shyam"
],
"categories": [
"nucl-th",
"hep-ph",
"nucl-ex"
],
"doi": "10.1103/PhysRevC.73.035211",
"journal_ref": "Phys.Rev. C73 (2006) 035211",
"title": "Hyperon production in near threshold nucleon-nucleon collisions",
"url": "https://arxiv.org/abs/nucl-th/0512007"
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