Phys. Rev. Lett. 33, 1406–1408 (1974)Discovery of a Narrow Resonance in e+e- Annihilation
We have observed a very sharp peak in the cross section for e+e-→hadrons, e+e-, and possibly μ+μ- at a center-of-mass energy of 3.105±0.003 GeV. The upper limit to the full width at half-maximum is 1.3 MeV. © 1974 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.33.1406
DOI:
10.1103/PhysRevLett.33.1406
PACS:
See AlsoComment: Mahiko Suzuki, Slope of ψ Regge Trajectories and a Test of "Elementarity" of the ψ Particles in 2ψ Production by Hadrons, Phys. Rev. Lett. 34, 1412 (1975). |
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