Discovery of a Second Narrow Resonance in $e^{+} e^{-}$ Annihilation

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9 December 1974

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 33 (24), 1453-1455
https://doi.org/10.1103/physrevlett.33.1453

Abstract

We have observed a second sharp peak in the cross section for

e^{+} e^{-} \to hadrons

at a center-of-mass energy of 3.695±0.004 GeV. The upper limit of the full width at half-maximum is 2.7 MeV.

Keywords

This publication has 3 references indexed in Scilit:

Discovery of a Narrow Resonance in $e^{+} e^{-}$ Annihilation
Physical Review Letters, 1974
Experimental Observation of a Heavy Particle $J$
Physical Review Letters, 1974
Preliminary Result of Frascati (ADONE) on the Nature of a New 3.1-GeV Particle Produced in $e^{+} e^{-}$ Annihilation
Physical Review Letters, 1974

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