Excitation functions of the analyzing power in elastic proton-proton scattering from 0.45 to 2.5 GeV

  • M. Altmeier
  • F. Bauer
  • J. Bisplinghoff
  • K. Büßer
  • M. Busch
  • T. Colberg
  • L. Demirörs
  • H. P. Engelhardt
  • P. D. Eversheim
  • K. O. Eyser
  • O. Felden
  • R. Gebel
  • M. Glende
  • J. Greiff
  • F. Hinterberger
  • E. Jonas
  • H. Krause
  • T. Lindemann
  • J. Lindlein
  • B. Lorentz
  • R. Maier
  • R. Maschuw
  • A. Meinerzhagen
  • D. Prasuhn
  • H. Rohdjeß
  • D. Rosendaal
  • P. von Rossen
  • N. Schirm
  • V. Schwarz
  • W. Scobel
  • H. -J. Trelle
  • K. Ulbrich
  • E. Weise
  • A. Wellinghausen
  • R. Ziegler
Article

Abstract.

Excitation functions AN(plabc.m.) of the analyzing power in elastic proton-proton scattering have been measured in an internal target experiment at the Cooler Synchrotron COSY with an unpolarized proton beam and a polarized atomic hydrogen target. Data were taken continuously during the acceleration and deceleration for proton kinetic energies Tlab (momenta plab) between 0.45 and 2.5 GeV (1.0 and 3.3 GeV/c) and scattering angles 30 ° ⩽ Θc.m. ⩽ 90°. The results provide excitation functions and angular distributions of high precision and internal consistency. The data can be used as calibration standard between 0.45 and 2.5 GeV. They have significant impact on phase shift solutions, in particular on the spin triplet phase shifts between 1.0 and 1.8 GeV.

PACS.

25.40.Cm Elastic proton scattering 13.75.Cs Nucleon-nucleon interactions (including antinucleons, deuterons, etc.) 24.70.+s Polarization phenomena in reactions 21.30.-x Nuclear forces 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2004

Authors and Affiliations

  • M. Altmeier
    • 1
  • F. Bauer
    • 2
  • J. Bisplinghoff
    • 1
  • K. Büßer
    • 2
  • M. Busch
    • 1
  • T. Colberg
    • 2
  • L. Demirörs
    • 2
  • H. P. Engelhardt
    • 1
  • P. D. Eversheim
    • 1
  • K. O. Eyser
    • 2
  • O. Felden
    • 3
  • R. Gebel
    • 3
  • M. Glende
    • 1
  • J. Greiff
    • 2
  • F. Hinterberger
    • 1
  • E. Jonas
    • 2
  • H. Krause
    • 2
  • T. Lindemann
    • 2
  • J. Lindlein
    • 2
  • B. Lorentz
    • 3
  • R. Maier
    • 3
  • R. Maschuw
    • 1
  • A. Meinerzhagen
    • 1
  • D. Prasuhn
    • 3
  • H. Rohdjeß
    • 1
  • D. Rosendaal
    • 1
  • P. von Rossen
    • 3
  • N. Schirm
    • 2
  • V. Schwarz
    • 1
  • W. Scobel
    • 2
  • H. -J. Trelle
    • 1
  • K. Ulbrich
    • 1
  • E. Weise
    • 1
  • A. Wellinghausen
    • 2
  • R. Ziegler
    • 1
  1. 1.Helmholtz-Institut für Strahlen- und KernphysikUniversität BonnBonnGermany
  2. 2.Institut für ExperimentalphysikUniversität HamburgHamburgGermany
  3. 3.Institut für KernphysikForschungszentrum JülichJülichGermany

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