Adelaide Research & Scholarship
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https://hdl.handle.net/2440/12780
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| Type: | Journal article |
| Title: | Determination of flavor asymmetry for Σ± by the Drell-Yan process |
| Other Titles: | Determination of flavor asymmetry for Sigma+/- by the Drell-Yan process |
| Author: | Alberg, M. Henley, E. Xiangdong, J. Thomas, A. |
| Citation: | Physics Letters, 1996; 389(2):367-373 |
| Publisher: | ELSEVIER SCIENCE BV |
| Issue Date: | 1996 |
| ISSN: | 0031-9163 |
| Statement of Responsibility: | Mary Alberg, Ernest M. Henley, Xiangdong Ji, A.W. Thomas |
| Abstract: | Flavor asymmetries for the valence and sea quarks of the Σ± can be obtained from Drell-Yan experiments using charged hyperon beams on proton and deuteron targets. A large, measurable difference in sea quark asymmetries is predicted between SU(3) and pseudoscalar meson models. The latter predict that in Σ+, ū/d̄ ≤ 1/2, whereas the former predict ū/d̄ ≈ 4/3. Estimates of valence quark asymmetries based on quark models also show large deviations from SU(3) predictions, which should be measurable. |
| Rights: | Copyright © 1996 Published by Elsevier B.V. |
| DOI: | 10.1016/S0370-2693(96)01272-5 |
| Published version: | http://dx.doi.org/10.1016/s0370-2693(96)01272-5 |
| Appears in Collections: | Aurora harvest 2 Physics publications |
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