Near-threshold π-photoproduction on the deuteron

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10 Scopus citations

Abstract

The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.

Original languageEnglish
Article number035207
JournalPhysical Review C
Volume101
Issue number3
DOIs
StatePublished - Mar 2020

Bibliographical note

Funding Information:
The authors would like to thank W. R. Gibbs, B. F. Gibson, and G. F. de Téramond for constructive discussions. The authors acknowledge support from the staff of the MAX IV Laboratory. This research has been supported by the Swedish Research Council (Contracts No. 40324901 and No. 80410001), the Crafoord Foundation (Grant No. 20060749), the Scottish Universities Physics Alliance (SUPA), the SUPA Prize Studentship, UK STFC Grants No. 57071/1 and No. 50727/1, U.S. NSF Grant No. PHY1309130, U.S. DOE Grants No. DE–SC0016581, No. DE–SC0016583 and No. DE–FG02–06ER41422, the NFS/IRES Award No. 0553467, RFBR Grants No. 16–02–00767 and No. 16–02–00767a, and the Deutsche Forschungsgemeinschaft (DFG) through the Collaborative Research Center, SFB 1044.

Publisher Copyright:
© 2020 authors. Published by the American Physical Society.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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