Measurements of the magnetic form factor of the proton for timelike momentum transfers

M. Andreotti, S. Bagnasco, W. Baldini, D. Bettoni, G. Borreani, A. Buzzo, R. Calabrese, R. Cester, G. Cibinetto, P. Dalpiaz, G. Garzoglio, K. Gollwitzer, M. Graham, M. Hu, D. Joffe, J. Kasper, G. Lasio, M. Lo Vetere, E. Luppi, M. MacrìM. Mandelkern, F. Marchetto, M. Marinelli, E. Menichetti, Z. Metreveli, R. Mussa, M. Negrini, M. Obertino, M. Pallavicini, N. Pastrone, C. Patrignani, S. Pordes, E. Robutti, W. Roethel, J. Rosen, P. Rumerio, R. Rusack, A. Santroni, J. Schultz, S. H. Seo, K. K. Seth, G. Stancari, M. Stancari, A. Tomaradze, I. Uman, T. Vidnovic, S. Werkema, P. Zweber

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Abstract

Fermilab experiment E835 has measured the cross section for the reaction p̄p → e+e- at s = 11.63, 12.43, 14.40 and 18.22 GeV2. From the analysis of the 66 observed events new high-precision measurements of the proton magnetic form factor are obtained.

Original languageEnglish (US)
Pages (from-to)20-25
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume559
Issue number1-2
DOIs
StatePublished - Apr 24 2003

Bibliographical note

Funding Information:
The authors wish to acknowledge the technical support from their respective institutions and the contribution of the Fermilab Beams Division. This research was supported by the US Department of Energy and the Italian Istituto Nazionale di Fisica Nucleare.

Keywords

  • Form factors
  • Nucleon

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