Total cross section measurement for the three double pion photoproduction channels on the proton

A. Braghieri, L. Y. Murphy, J. Ahrens, G. Audit, N. d'Hose, V. Isbert, S. Kerhoas, M. Mac Cormick, P. Pedroni, T. Pinelli, G. Tamas, A. Zabrodin

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122 Citations (Scopus)

Abstract

The total cross sections for the three γp → Nππ reactions have been measured for photon energies from 400 to 800 MeV. The γp → pπ0π0 and γp → nπ+π0 cross sections have never been measured before while the γp → pπ+π- results are much improved compared to earlier data. These measurements were performed with the large acceptance hadronic detector DAPHNE, at the tagged photon beam facility of the MAMI microtron in Mainz.

Original languageEnglish
Pages (from-to)46-50
Number of pages5
JournalPhysics Letters B
Volume363
Issue number1-2
DOIs
Publication statusPublished - 16 Nov 1995
Externally publishedYes

Keywords

  • E from 400 to 800 MeV
  • Measured σ
  • Nuclear reaction γp → Nππ

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