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Search for Narrow Resonances in e+e− Annihilation in the Mass Region 3.2 to 5.9 GeV

A. M. Boyarski, M. Breidenbach, F. Bulos, G. J. Feldman, G. E. Fischer, D. Fryberger, G. Hanson, B. Jean-Marie, R. R. Larsen, V. Lüth, H. L. Lynch, D. Lyon, C. C. Morehouse, J. M. Paterson, M. L. Perl, P. A. Rapidis, B. Richter, R. F. Schwitters, W. Tanenbaum, F. Vannucci, G. S. Abrams, D. Briggs, W. Chinowsky, C. E. Friedberg, G. Goldhaber, J. A. Kadyk, A. M. Litke, B. A. Lulu, F. Pierre, B. Sadoulet, G. H. Trilling, J. S. Whitaker, J. Wiss, J. E. Zipse

Open publisher page 35 citations

Abstract

We have searched the mass region 3.2 to 5.9 GeV for evidence of narrow resonances in ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\mathrm{hadrons}$. We find no evidence for any such resonances other than the $\ensuremath{\psi}(3695)$ in this region with a sensitivity ranging from about 12 to 45% of the integrated cross section of the $\ensuremath{\psi}(3695)$. The more stringent bounds apply to resonances of a few MeV width, while the looser bounds apply to resonances of up to 20 MeV width.

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What this paper is about

We have searched the mass region 3.2 to 5.9 GeV for evidence of narrow resonances in ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\mathrm{hadrons}$. We find no evidence for any such resonances other than the $\ensuremath{\psi}(3695)$ in this region with a sensitivity ranging from about 12 to 45% of the integrated cross section of the $\ensuremath{\psi}(3695)$. The more stringent bounds apply to resonances of a few MeV width, while the looser bounds apply to resonances of up to 20 MeV width.

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Available abstract

We have searched the mass region 3.2 to 5.9 GeV for evidence of narrow resonances in ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}\mathrm{hadrons}$. We find no evidence for any such resonances other than the $\ensuremath{\psi}(3695)$ in this region with a sensitivity ranging from about 12 to 45% of the integrated cross section of the $\ensuremath{\psi}(3695)$. The more stringent bounds apply to resonances of a few MeV width, while the looser bounds apply to resonances of up to 20 MeV width.

Key concepts: Physics, Hadron, Particle physics, Nuclear physics

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