• Medientyp: E-Artikel
  • Titel: Measurement of the e+e-→pp̅ cross section in the energy range from 3.0 to 6.5 GeV
  • Beteiligte: Lees, J. P. [Verfasser:in]; Poireau, V. [Verfasser:in]; Lee, M. J. [Verfasser:in]; Prasad, V. [Verfasser:in]; Morii, M. [Verfasser:in]; Adametz, A. [Verfasser:in]; Uwer, U. [Verfasser:in]; Lacker, H. M. [Verfasser:in]; Dauncey, P. D. [Verfasser:in]; Mallik, U. [Verfasser:in]; Chen, C. [Verfasser:in]; Cochran, J. [Verfasser:in]; Meyer, W. T. [Verfasser:in]; Lynch, G. [Verfasser:in]; Prell, S. [Verfasser:in]; Gritsan, A. V. [Verfasser:in]; Arnaud, N. [Verfasser:in]; Davier, M. [Verfasser:in]; Derkach, D. [Verfasser:in]; Grosdidier, G. [Verfasser:in]; Le Diberder, F. [Verfasser:in]; Lutz, A. M. [Verfasser:in]; Malaescu, B. [Verfasser:in]; Roudeau, P. [Verfasser:in]; [...]
  • Erschienen: Soc., 2013
  • Erschienen in: Physical review / D 88(7), 072009 (2013). doi:10.1103/PhysRevD.88.072009
  • Sprache: Englisch
  • DOI: https://doi.org/10.1103/PhysRevD.88.072009
  • ISSN: 1550-7998; 1550-2368; 0556-2821; 1089-4918
  • Schlagwörter: psi mesons: branching ratio: measured ; radiation: initial-state interaction ; psi mesons --> p anti-p photon ; electron positron: annihilation ; experimental results ; psi(3685): hadronic decay ; approx. 10.6 GeV-cms ; electron positron --> p anti-p photon ; SLAC PEP Stor ; BaBar ; p: form factor: magnetic ; J/psi(3100): hadronic decay ; channel cross section: energy dependence ; p: pair production
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  • Beschreibung: The e+ e- --> p anti-p cross section and the proton magnetic form factor have been measured in the center-of-mass energy range from 3.0 to 6.5 GeV using the initial-state-radiation technique with an undetected photon. This is the first measurement of the form factor at energies higher than 4.5 GeV. The analysis is based on 469 fb-1 of integrated luminosity collected with the BABAR detector at the PEP-II collider at e+e- center-of-mass energies near 10.6 GeV. The branching fractions for the decays J/psi --> p anti-p and psi(2S) --> p anti-p have also been measured.
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