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https://hdl.handle.net/2440/10863
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Type: | Journal article |
Title: | Extracting the r-w mixing amplitude form the pion form-factor |
Author: | O'Connell, H. Thomas, A. Williams, A. |
Citation: | Nuclear Physics A, 1997; 623(3-4):559-569 |
Publisher: | ELSEVIER SCIENCE BV |
Issue Date: | 1997 |
ISSN: | 0375-9474 |
Abstract: | We re-examine and extend a recent analysis which showed that the ρ-ω mixing amplitude cannot be unambiguously extracted from the pion electromagnetic form-factor in a model independent way. In particular, we focus on the argument that the extraction is sensitive to the presence of any intrinsic ωI → ππ coupling. Our extended analysis confirms the original conclusion, with only minor, quantitative differences. The extracted mixing amplitude is shown to be sensitive to both the intrinsic coupling ω1 → ππ and to the value assumed for the mass of the ρ0-meson. © 1997 Elsevier Science B.V. |
DOI: | 10.1016/S0375-9474(97)88425-4 |
Published version: | http://dx.doi.org/10.1016/s0375-9474(97)88425-4 |
Appears in Collections: | Aurora harvest 2 Special Research Centre for the Subatomic Structure of Matter publications |
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