Two-body neutral final states produced in antiproton-proton annihilations at [Formula presented] GeV

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

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We have performed an experiment in the Antiproton Accumulator at Fermilab to study two-body neutral final states formed in [Formula presented] annihilations. Differential cross sections are determined in the center-of-mass energy range [Formula presented] GeV for the final states [Formula presented] [Formula presented] ηη, [Formula presented] and γγ. The energy dependence of differential cross sections at 90° in the center of mass is studied to test the predictions of phenomenological QCD scaling hypotheses which predict power-law dependence.

Original languageEnglish (US)
Pages (from-to)2509-2531
Number of pages23
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume56
Issue number5
DOIs
StatePublished - 1997

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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