dorsal/arxiv
View SchemaComment on `Measurement of the $\pi^+ \vec p$ analyzing power at 68.3 MeV'
| Authors | R. A. Arndt, I. I. Strakovsky, R. L. Workman |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9701003 |
| URL | https://arxiv.org/abs/nucl-th/9701003 |
| DOI | 10.1103/PhysRevC.56.579 |
| Journal | Phys.Rev.C56:579-580,1997 |
Abstract
We comment on a recent paper by Weiser et al. [Phys. Rev. C {\bf 54}, 1930 (1996)]. The authors have performed a single-energy analysis of $\pi^+ p$ scattering data at 68.3 MeV, finding a value for the $S_{31}$ phase shift about 1^o smaller than found in the Karlsruhe-Helsinki (KH) partial-wave analysis. The authors use this result to argue for a dispersion relation analysis using recently measured data, so that their effect on the $\pi NN$ coupling constant (f^2) and $\Sigma$ amplitude can be determined. We note that these tasks were accomplished prior to the submission of the above paper. We clarify the effect of this new analyzing power data on f^2 and the $\Sigma$ amplitude.
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"abstract": "We comment on a recent paper by Weiser et al. [Phys. Rev. C {\\bf 54}, 1930\n(1996)]. The authors have performed a single-energy analysis of $\\pi^+ p$\nscattering data at 68.3 MeV, finding a value for the $S_{31}$ phase shift about\n1^o smaller than found in the Karlsruhe-Helsinki (KH) partial-wave analysis.\nThe authors use this result to argue for a dispersion relation analysis using\nrecently measured data, so that their effect on the $\\pi NN$ coupling constant\n(f^2) and $\\Sigma$ amplitude can be determined. We note that these tasks were\naccomplished prior to the submission of the above paper. We clarify the effect\nof this new analyzing power data on f^2 and the $\\Sigma$ amplitude.",
"arxiv_id": "nucl-th/9701003",
"authors": [
"R. A. Arndt",
"I. I. Strakovsky",
"R. L. Workman"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.56.579",
"journal_ref": "Phys.Rev.C56:579-580,1997",
"title": "Comment on `Measurement of the $\\pi^+ \\vec p$ analyzing power at 68.3 MeV\u0027",
"url": "https://arxiv.org/abs/nucl-th/9701003"
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