| Autor: |
Virgil E Barnes, R. L. Eisner, D. Pandoulas, D. Bassano, N. P. Samios, J. B. Kinson, M. Aguilar-Benitez |
| Rok vydání: |
1970 |
| Předmět: |
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| Zdroj: |
Physical Review Letters. 25:1635-1638 |
| ISSN: |
0031-9007 |
| DOI: |
10.1103/physrevlett.25.1635 |
| Popis: |
We report evidence for the existence of a new meson, which we call the $M(953)$, with mass 953 \ifmmode\pm\else\textpm\fi{} 2 MeV and width 10 MeV, produced in the final state ${K}^{\ensuremath{-}}p\ensuremath{\rightarrow}p{K}^{\ensuremath{-}}{M}^{0}$ at incident momenta 3.9 and $4.6\frac{\mathrm{GeV}}{c}$. These results are based primarily on a signal of 68 \ifmmode\pm\else\textpm\fi{} 12 events in the decay mode $M\ensuremath{\rightarrow}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}\ensuremath{\gamma}$ where the $\ensuremath{\pi}\ensuremath{\pi}$ system does not show a ${\ensuremath{\rho}}^{0}$ signal, in sharp distinction to the ${\ensuremath{\rho}}^{0}\ensuremath{\gamma}$ decay mode of the ${\ensuremath{\eta}}^{\ensuremath{'}}(958)$. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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