Advertisement

First close-to-threshold measurement of the analysing power A y in the reaction \(\vec pp \rightarrow pp\eta\)

  • P. WinterEmail author
  • H.-H. Adam
  • A. Budzanowski
  • R. Czyzykiewicz
  • D. Grzonka
  • M. Janusz
  • L. Jarczyk
  • B. Kamys
  • A. Khoukaz
  • K. Kilian
  • P. Kowina
  • T. Lister
  • P. Moskal
  • W. Oelert
  • C. Piskor-Ignatowicz
  • T. Rozek
  • R. Santo
  • G. Schepers
  • T. Sefzick
  • M. Siemaszko
  • J. Smyrski
  • S. Steltenkamp
  • A. Strzalkowski
  • A. Täschner
  • M. Wolke
  • P. Wüstner
  • W. Zipper
Article

Abstract.

At the internal facility COSY-11 a first measurement of the reaction \(\vec pp \rightarrow pp\eta\) near the production threshold has been performed. Results for the analysing power will be presented and a comparison with one-meson exchange models will be discussed.

Keywords

Analyse Power Exchange Model Production Threshold Internal Facility 
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.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    A.M. Bergdolt, Phys. Rev. D 48, 2969 (1993).CrossRefGoogle Scholar
  2. 2.
    E. Chiavassa, Phys. Lett. B 322, 270 (1994).CrossRefGoogle Scholar
  3. 3.
    Calén, H., Phys. Lett. B 366, 39 (1996).CrossRefGoogle Scholar
  4. 4.
    Calén, H., Phys. Rev. Lett. 79, 2642 (1997).CrossRefGoogle Scholar
  5. 5.
    F. Hibou, Phys. Lett. B 438, 41 (1998).CrossRefGoogle Scholar
  6. 6.
    J. Smyrski, Phys. Lett. B 474, 182 (2000).CrossRefGoogle Scholar
  7. 7.
    Calén, H., Phys. Lett. B 458, 190 (1999).CrossRefGoogle Scholar
  8. 8.
    B. Tatischeff, Phys. Rev. C 62, 054001 (2000).CrossRefGoogle Scholar
  9. 9.
    P. Moskal, \(\pi\)N Newslett. 16, 367 (2001).Google Scholar
  10. 10.
    The COSY-TOF Collaboration (M. Abdel-Bary), Eur. Phys. J. A 16, 127 (2003) nucl-ex/0205016.Google Scholar
  11. 11.
    P. Moskal, Nucl. Phys. A 721, 657 (2003), nucl-ex/0212003CrossRefGoogle Scholar
  12. 12.
    S. Brauksiepe, Nucl. Instrum. Methods A 376, 397 (1996).CrossRefGoogle Scholar
  13. 13.
    P. Moskal, Nucl. Instrum. Methods A 466, 444 (2001).Google Scholar
  14. 14.
    R. Maier, Nucl. Instrum. Methods A 390, 1 (1997).CrossRefGoogle Scholar
  15. 15.
    H. Dombrowski, Nucl. Instrum. Methods A 386, 228 (1997).CrossRefGoogle Scholar
  16. 16.
    P. Winter, Phys. Lett. B 544, 251 (2002).CrossRefGoogle Scholar
  17. 17.
    P. Winter, Diploma thesis, Rheinische Friedrich-Wilhelms-Universität Bonn, 2002, IKP Jül-3943.Google Scholar
  18. 18.
    D. Albers, Phys. Rev. Lett. 78, 1652 (1997).CrossRefGoogle Scholar
  19. 19.
    M. Altmeier, prl, 85, 1819 (2000).Google Scholar
  20. 20.
    H.O. Meyer, Phys. Rev. C 63, 064002 (2001).CrossRefGoogle Scholar
  21. 21.
    G. Fäldt, C. Wilkin, Phys. Scr. 64, 427 (2001).CrossRefGoogle Scholar
  22. 22.
    K. Nakayama, J. Speth, T.S.H. Lee, Phys. Rev. C 65, 045210 (2002).CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin/Heidelberg 2003

Authors and Affiliations

  • P. Winter
    • 1
    Email author
  • H.-H. Adam
    • 2
  • A. Budzanowski
    • 3
  • R. Czyzykiewicz
    • 4
  • D. Grzonka
    • 1
  • M. Janusz
    • 4
  • L. Jarczyk
    • 4
  • B. Kamys
    • 4
  • A. Khoukaz
    • 2
  • K. Kilian
    • 1
  • P. Kowina
    • 1
    • 6
  • T. Lister
    • 2
  • P. Moskal
    • 1
    • 4
  • W. Oelert
    • 1
  • C. Piskor-Ignatowicz
    • 4
  • T. Rozek
    • 1
    • 6
  • R. Santo
    • 2
  • G. Schepers
    • 1
  • T. Sefzick
    • 1
  • M. Siemaszko
    • 6
  • J. Smyrski
    • 4
  • S. Steltenkamp
    • 2
  • A. Strzalkowski
    • 4
  • A. Täschner
    • 2
  • M. Wolke
    • 1
  • P. Wüstner
    • 5
  • W. Zipper
    • 6
  1. 1.IKPForschungszentrum JülichJülichGermany
  2. 2.IKPWestfälische Wilhelms-UniversitätMünsterGermany
  3. 3.Institute of Nuclear PhysicsKrakówPoland
  4. 4.M. Smoluchowski Institute of PhysicsJagellonian UniversityKrakówPoland
  5. 5.ZELForschungszentrum JülichJülichGermany
  6. 6.Institute of PhysicsUniversity of SilesiaKatowicePoland

Personalised recommendations