Proton electromagnetic form factors in the timelike region from 8.9 to 13.0 GeV2

T. A. Armstrong*, D. Bettoni, V. Bharadwaj, C. Biino, G. Borreani, D. Broemmelsiek, A. Buzzo, R. Calabrese, A. Ceccucci, R. Cester, M. D. Church, P. Dalpiaz, P. F. Dalpiaz, R. Dibenedetto, D. Dimitroyannis, M. G. Fabbri, J. E. Fast, A. Gianoli, C. M. Ginsburg, K. E. GollwitzerA. A. Hahn, M. A. Hasan, S. Y. Hsueh, R. A. Lewis, E. Luppi, M. MacRí, A. Majewska, M. A. Mandelkern, F. Marchetto, M. Marinelli, J. L. Marques, W. Marsh, M. Martini, M. Masuzawa, E. Menichetti, A. Migliori, R. Mussa, S. Palestini, M. Pallavicini, N. Pastrone, C. Patrignani, J. Peoples, L. Pesando, F. Petrucci, M. G. Pia, S. Pordes, P. A. Rapidis, R. E. Ray, J. D. Reid, G. Rinaudo, B. Roccuzzo, J. L. Rosen, A. Santroni, M. Sarmiento, M. Savriè, A. Scalisi, J. Schultz, K. K. Seth, A. Smith, G. A. Smith, M. Sozzi, S. Trokenheim, M. F. Weber, S. J. Werkema, Y. Zhang, J. L. Zhao, G. Zioulas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

115 Scopus citations

Abstract

Cross sections for the reaction pp̄→e+e- have been measured at s=8.9,12.4, and 13.0 GeV2. The cross sections have been analyzed to obtain the proton electromagnetic form factors in the timelike region. We find that GM(q2)q-4αs2(q2) for q25 (GeV/c)2.

Original languageEnglish (US)
Pages (from-to)1212-1215
Number of pages4
JournalPhysical review letters
Volume70
Issue number9
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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