High-statistics measurement of the pion form factor in the ρ-meson energy range with the CMD-2 detector

2006/10/31 by 2 Collaboration, R.R. Akhmetshin, R. R. Akhmetshin +97 · 246 citations
Physics and Astronomy · #Annihilation #Detector #Electron–positron annihilation #Energy (signal processing) #Hadron #High-Energy Particle Collisions Research #Materials science #Meson #Nuclear physics #Optics #Particle physics #Particle physics theoretical and experimental studies #Physics #Pion #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Range (aeronautics) #Sample (material) #hep-ex

paper · pdf · doi:10.1016/j.physletb.2007.01.073

published in Physics Letters B 648(1), 28-38 (Elsevier BV) · 18 pages, 10 figures. Added comparison with KLOE measurement, minor updates. Accepted by PLB

arxiv created 2007/01/29 · openalex publication_date 2007/03/01 · arxiv updated 2012/08/27 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We present a measurement of the pion form factor based on e+e- annihilation data from the CMD-2 detector in the energy range 0.6<sqrt(s)<1.0 GeV with a systematic uncertainty of 0.8%. A data sample is five times larger than that used in our previous measurement.

Citations

• Measurement of σ(e+e−→π+π−γ) and extraction of σ(e+e−→π+π−) below 1 GeV with the KLOE detector
• Monte-Carlo generator for e+e- annihilation into lepton and hadron pairs with precise radiative corrections
• Final report of the E821 muon anomalous magnetic moment measurement at BNL

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