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arxiv: 1112.6248 · v1 · pith:VM2EZMPInew · submitted 2011-12-29 · ✦ hep-ph · nucl-th

Experimental constraint on the rho - meson form factors in the time--like region

classification ✦ hep-ph nucl-th
keywords constraintfactorsformmesonanalyzedannihilationbabarcollaboration
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The annihilation reaction $e^++e^-\rightarrow \bar \rho+\rho $ is considered. The constraint on time-like $\rho$-meson form factors from the measurement done by the BaBar collaboration at $\sqrt{s}=10.5$ GeV is analyzed.

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