dorsal/arxiv
View SchemaTwo step mechanism of $\eta , \eta', \omega , \phi $ meson prodction in $pD \to ^3He $ reaction$
| Authors | L. A. Kondratyuk, Yu. N. Uzikov |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9510010 |
| URL | https://arxiv.org/abs/nucl-th/9510010 |
| Journal | Phys.At.Nucl. 60, N3 (1997) 468-477 |
Abstract
The differential cross sections of $pD\to ^3He X$ reactions, where $X=\eta, \ \eta'\ ,\omega, \ \phi $, are calculated on the basis of a two-step mechanism involving the subprocesses $pp\to d\pi ^+$ and $\pi^+n\to Xp $. It is shown that this model describes well the form of energy dependence of available experimental cross sections at the final c.m.s. momentum $p^*$=0.4-1$ GeV/c$ for the $\eta $ and at $p^*=0-0.5$ GeV/c for the $\omega $ meson as well as the ratios $R(\eta'/\eta) $ and $R(\phi/\omega)$. The absolute value of the cross section is underestimated by an overall normalization factor of about 3 for $\eta, \ \eta '$ and by nearly one order of magnitude for $\omega$ and $\phi$. The spin-spin correlations are predicted for the reaction ${\vec D}{\vec p}\to ^3He X$ in the forward-backward approximations for the elementary amplitudes.
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"abstract": "The differential cross sections of $pD\\to ^3He X$ reactions, where $X=\\eta, \\\n\\eta\u0027\\ ,\\omega, \\ \\phi $, are calculated on the basis of a two-step mechanism\ninvolving the subprocesses $pp\\to d\\pi ^+$ and $\\pi^+n\\to Xp $. It is shown\nthat this model describes well the form of energy dependence of available\nexperimental cross sections at the final c.m.s. momentum $p^*$=0.4-1$ GeV/c$\nfor the $\\eta $ and at $p^*=0-0.5$ GeV/c for the $\\omega $ meson as well as the\nratios $R(\\eta\u0027/\\eta) $ and $R(\\phi/\\omega)$. The absolute value of the cross\nsection is underestimated by an overall normalization factor of about 3 for\n$\\eta, \\ \\eta \u0027$ and by nearly one order of magnitude for $\\omega$ and $\\phi$.\nThe spin-spin correlations are predicted for the reaction ${\\vec D}{\\vec p}\\to\n^3He X$ in the forward-backward approximations for the elementary amplitudes.",
"arxiv_id": "nucl-th/9510010",
"authors": [
"L. A. Kondratyuk",
"Yu. N. Uzikov"
],
"categories": [
"nucl-th"
],
"journal_ref": "Phys.At.Nucl. 60, N3 (1997) 468-477",
"title": "Two step mechanism of $\\eta , \\eta\u0027, \\omega , \\phi $ meson prodction in $pD \\to ^3He $ reaction$",
"url": "https://arxiv.org/abs/nucl-th/9510010"
},
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