Near-threshold π-photoproduction on the deuteron

B. Strandberg, K. G. Fissum, J. R.M. Annand, W. J. Briscoe, J. Brudvik, F. Cividini, L. Clark, E. J. Downie, K. England, G. Feldman, D. I. Glazier, K. Hamilton, K. Hansen, L. Isaksson, R. Al Jebali, M. A. Kovash, A. E. Kudryavtsev, V. Lensky, S. Lipschutz, M. LundinM. Meshkian, D. G. Middleton, L. S. Myers, D. O'donnell, G. V. O'rielly, B. Oussena, M. F. Preston, B. Schröder, B. Seitz, I. I. Strakovsky, M. Taragin, V. E. Tarasov, PIONS@MAX-lab Collaboration

Research output: Contribution to journalArticlepeer-review


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
Issue number3
Publication statusPublished - 2020 Mar 16

Subject classification (UKÄ)

  • Subatomic Physics


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