Strange hadronic physics in electroproduction experiments at the Mainz Microtron

P. Achenbach, A. Esser, C. Ayerbe Gayoso, R. Böhm, O. Borodina, D. Bosnar, V. Bozkurt, P. Bydžovský, L. Debenjak, M. O. Distler, I. Friščić, Yu Fujii, Toshiyuki Gogami, M. Gómez Rodríguez, O. Hashimoto, S. Hirose, E. Kim, A. Margaryan, H. Merkel, U. MüllerS. Nagao, S. N. Nakamura, J. Pochodzalla, C. Rappold, J. Reinhold, T. R. Saito, A. Sanchez Lorente, S. Sánchez Majos, B. S. Schlimme, M. Schoth, F. Schulz, C. Sfienti, S. Širca, L. Tang, M. Thiel, Kyo Tsukada

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Present and future research into the electroproduction of strangeness plays an important role at Mainz Microtron MAMI. With the Kaos spectrometer for kaon detection operated in the multi-spectrometer facility first cross section measurements of the exclusive p(e, e'K +)Λ, σ 0 reactions at low-momentum transfers have been performed. These measurements have clearly discriminated between effective Lagrangian models for photo- and electroproduction of strangeness. Recently, the Kaos spectrometer was upgraded to a double-arm spectrometer for the measurement of elementary cross sections at very forward scattering angles and for the missing mass spectroscopy of hypernuclear states. In parallel, pioneering experiments on decay-pion spectroscopy of electroproduced hypernuclei were carried out at MAMI. Future experiments will on the one side address the cross section of the elementary process with polarized beam and on the other side continue the hypernuclear spectroscopy with different light nuclear targets.

Original languageEnglish
Pages (from-to)187-198
Number of pages12
JournalNuclear Physics A
Publication statusPublished - 2012 May 1


  • Decay-pion spectroscopy
  • Hypernuclei
  • Kaon electroproduction
  • Missing mass spectroscopy
  • Strangeness reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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