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The pK0Σ+ final state in proton-proton collisions

  • The COSY-TOF Collaboration
  • M. Abdel-Bary
  • S. Abdel-Samad
  • K -Th. Brinkmann
  • H. Clement
  • J. Dietrich
  • E. Doroshkevich
  • S. Dshemuchadse
  • K. Ehrhardt
  • A. Erhardt
  • W. Eyrich
  • A. Filippi
  • H. Freiesleben
  • M. Fritsch
  • W. Gast
  • J. Georgi
  • A. Gillitzer
  • J. Gottwald
  • D. Hesselbarth
  • H. Jäger
  • B. Jakob
  • R. Jäkel
  • L. Karsch
  • K. Kilian
  • H. Koch
  • M. Krapp
  • J. Kreß
  • E. Kuhlmann
  • A. Lehmann
  • S. Marcello
  • S. Marwinski
  • S. Mauro
  • W. Meyer
  • P. Michel
  • K. Möller
  • H. P. Morsch
  • H. Mörtel
  • L. Naumann
  • N. Paul
  • L. Pinna
  • C. Pizzolotto
  • Ch. Plettner
  • S. Reimann
  • M. Richter
  • J. Ritman
  • E. Roderburg
  • A. Schamlott
  • P. Schönmeier
  • W. Schroeder
  • M. Schulte-Wissermann
  • T. Sefzick
  • F. Stinzing
  • M. Steinke
  • G. Y. Sun
  • A. Teufel
  • W. Ullrich
  • G. J. Wagner
  • M. Wagner
  • R. Wenzel
  • A. Wilms
  • P. Wintz
  • S. Wirth
  • P. Wüstner
  • P. Zupranski
Open Access
Regular Article - Experimental Physics
First Online:
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Revised:
Accepted:

Abstract

This paper reports results from a study of the reaction pp → pK0Σ+ at beam momenta of p beam = 2950, 3059, and 3200 MeV/c (excess energies of ε = 126, 161, and 206 MeV. Total cross-sections were determined for all energies; a set of differential cross-sections (Dalitz plots; invariant-mass spectra of all two-body subsystems; angular distributions of all final-state particles; distributions in helicity and Jackson frames) are presented for ε = 161 MeV. The total cross-sections are proportional to the volume of available three-body phase space indicating that the transition matrix element does not change significantly in this range of excess energies. It is concluded from the differential data that the reaction proceeds dominantly via the N(1710)P 11- and/or N(1720)P 13-resonance(s); N(1650)S 11 and Δ(1600)P 33 could also contribute.

Keywords

Angular Distribution Excess Energy Dalitz Plot Transition Matrix Element Intermediate Resonance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • The COSY-TOF Collaboration
  • M. Abdel-Bary
    • 3
  • S. Abdel-Samad
    • 3
  • K -Th. Brinkmann
    • 1
    • 8
  • H. Clement
    • 4
  • J. Dietrich
    • 1
  • E. Doroshkevich
    • 4
  • S. Dshemuchadse
    • 1
  • K. Ehrhardt
    • 4
  • A. Erhardt
    • 4
  • W. Eyrich
    • 2
  • A. Filippi
    • 7
  • H. Freiesleben
    • 1
  • M. Fritsch
    • 2
  • W. Gast
    • 3
  • J. Georgi
    • 2
  • A. Gillitzer
    • 3
  • J. Gottwald
    • 1
  • D. Hesselbarth
    • 3
  • H. Jäger
    • 3
  • B. Jakob
    • 1
  • R. Jäkel
    • 1
  • L. Karsch
    • 1
  • K. Kilian
    • 3
  • H. Koch
    • 9
  • M. Krapp
    • 2
  • J. Kreß
    • 4
  • E. Kuhlmann
    • 1
  • A. Lehmann
    • 2
  • S. Marcello
    • 7
  • S. Marwinski
    • 3
  • S. Mauro
    • 9
  • W. Meyer
    • 9
  • P. Michel
    • 5
  • K. Möller
    • 5
  • H. P. Morsch
    • 6
  • H. Mörtel
    • 2
  • L. Naumann
    • 5
  • N. Paul
    • 3
  • L. Pinna
    • 2
  • C. Pizzolotto
    • 2
  • Ch. Plettner
    • 1
  • S. Reimann
    • 1
  • M. Richter
    • 1
  • J. Ritman
    • 3
  • E. Roderburg
    • 3
  • A. Schamlott
    • 5
  • P. Schönmeier
    • 1
  • W. Schroeder
    • 2
    • 3
  • M. Schulte-Wissermann
    • 1
  • T. Sefzick
    • 3
  • F. Stinzing
    • 2
  • M. Steinke
    • 9
  • G. Y. Sun
    • 1
  • A. Teufel
    • 2
  • W. Ullrich
    • 1
  • G. J. Wagner
    • 4
  • M. Wagner
    • 2
  • R. Wenzel
    • 1
  • A. Wilms
    • 9
  • P. Wintz
    • 3
  • S. Wirth
    • 2
  • P. Wüstner
    • 3
  • P. Zupranski
    • 6
  1. 1.Institut für Kern- und TeilchenphysikTechnische Universität DresdenDresdenGermany
  2. 2.Physikalisches InstitutUniversität Erlangen-NürnbergErlangenGermany
  3. 3.Institut für KernphysikForschungszentrum JülichJülichGermany
  4. 4.Physikalisches InstitutUniversität TübingenTübingenGermany
  5. 5.Institut für StrahlenphysikHelmholtzzentrum Dresden-RossendorfDresdenGermany
  6. 6.Soltan Institute for Nuclear StudiesSwierk/OtwockPoland
  7. 7.INFN TorinoTorinoItaly
  8. 8.Helmholtz Institut für Strahlen- und KernphysikRheinische Friedrich-Wilhelm-Universität BonnBonnGermany
  9. 9.Institut für ExperimentalphysikRuhr-Universität BochumBochumGermany

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