High-precision proton-proton bremsstrahlung measurements at 190MeV

M. Mahjour-Shafiei, J. C. S. Bacelar, M. D. Cozma, M. J. van Goethem, M. N. Harakeh, M. Hoefman, H. Huisman, N. Kalantar-Nayestanaki, H. Löhner, J. G. Messchendorp, R. W. Ostendorf, S. Schadmand, O. Scholten, M. Volkerts, and H. W. Wilschut
Phys. Rev. C 70, 024004 – Published 31 August 2004

Abstract

Two high-accuracy measurements of cross sections and analyzing powers for the proton-proton bremsstrahlung reaction have been performed at 190MeV beam energy. These measurements provide not only the most accurate exclusive cross-section and analyzing-power data to date, but also a wide phase-space coverage. Thus, an accurate test of nucleon-nucleon interaction models is made feasible. The experimental setup and the analysis procedure are discussed in detail. Microscopic calculations and calculations based on the soft-photon theorem show deficiencies in explaining the bulk of the data.

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  • Received 27 November 2003

DOI:https://doi.org/10.1103/PhysRevC.70.024004

©2004 American Physical Society

Authors & Affiliations

M. Mahjour-Shafiei, J. C. S. Bacelar, M. D. Cozma, M. J. van Goethem*, M. N. Harakeh, M. Hoefman, H. Huisman, N. Kalantar-Nayestanaki, H. Löhner, J. G. Messchendorp, R. W. Ostendorf, S. Schadmand, O. Scholten, M. Volkerts, and H. W. Wilschut

  • Kernfysisch Versneller Instituut, Zernikelaan 25, 9747 AA Groningen, The Netherlands

  • *Present address: National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan, 48824-1321 USA
  • Corresponding author. Electronic address: nasser@kvi.nl
  • Present address: Universität Gießen, Heinrich-Buff-Ring 16, 35392 Gießen, Germany

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Issue

Vol. 70, Iss. 2 — August 2004

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