Pion Emission in H-2,C-12,Al-27(gamma,pi+) Reactions at Threshold

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Abstract

The very first data from MAX-lab in Lund, Sweden on pion photoproduction at threshold energies are presented. The decrease of the total π+ yield in γ+12C, 27Al reactions below 200 MeV as well as the dσ/dΩ cross-section data essentially follow the predictions of an intranuclear-cascade model with an attractive potential for the pion–nucleus interaction. However, View the MathML source, cross-section data at 176 MeV show deviations which call for refinements of the model and possibly also for the inclusion of coherent pion-production mechanisms.

Detaljer

Författare
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Naturvetenskap
  • Subatomär fysik
  • Fysik

Nyckelord

Originalspråkengelska
Sidor (från-till)216-229
TidskriftNuclear Physics, Section A
Volym806
Utgåva nummer1-4
StatusPublished - 2008
PublikationskategoriForskning
Peer review utfördJa

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