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Measurement of sigma(e(+)e(-)->psi(3770)-> hadrons) at E-c.m.=3773 MeV

Besson, David Zeke
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Abstract
We measure the cross section for e(+)e(-)->psi(3770)-> hadrons at E-c.m.=3773 MeV to be (6.38 +/- 0.08(-0.30)(+0.41)) nb using the CLEO detector at the CESR e(+)e(-) collider. The difference between this and the e(+)e(-)->psi(3770)-> D (D) over bar cross section at the same energy is found to be (-0.01 +/- 0.08(-0.30)(+0.41)) nb. With the observed total cross section, we extract Gamma(ee)(psi(3770))=(0.204 +/- 0.003(-0.027)(+0.041)) keV. Uncertainties shown are statistical and systematic, respectively.
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2006-03
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AMERICAN PHYSICAL SOC
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Physics & Astronomy Scholarly Works
Center for Russian, East European, and Eurasian Studies Scholarly Publications
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Besson, D, Pedlar, TK, et al. Measurement of sigma(e(+)e(-)->psi(3770)-> hadrons) at E-c.m.=3773 MeV. PHYSICAL REVIEW LETTERS. March 2006. 96(9)
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https://hdl.handle.net/1808/1449
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