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A precise measurement of the real part of the elastic scattering amplitude at the Sp̄pS

  • C. Augier
  • , D. Bernard
  • , J. Bourotte
  • , M. Bozzo
  • , A. Bueno
  • , R. Cases
  • , F. Djama
  • , M. Haguenauer
  • , V. Kundrát
  • , M. Lokajíček
  • , G. Matthiae
  • , A. Morelli
  • , F. Natali
  • , S. Němeček
  • , M. Novák
  • , E. Sanchis
  • , G. Sette
  • , M. Smižanská
  • , J. Velasco
  • University of Genoa
  • CSIC-UV - Instituto de Física Corpuscular (IFIC)
  • Institute of Physics of the Czech Academy of Sciences
  • University of Rome “Tor Vergata”

Research output: Contribution to journalArticlepeer-review

139 Citations (Scopus)

Abstract

A precise measurement of p̄p elastic scattering in the Coulomb-strong interaction interference region was performed at the CERN Sp̄pS Collider at a centre-of-mass energy of 541 GeV. The ratio of the real to the imaginary part of the forward elastic scattering amplitude was found to be ρ = 0.135 ± 0.015. The slope of the exponential fall off of the strong interaction part was also measured to be b = 15.5 ± 0.1 GeV-2.

Original languageEnglish
Pages (from-to)448-454
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume316
Issue number2-3
DOIs
Publication statusPublished - 21 Oct 1993
Externally publishedYes

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