Unpolarized and polarized elementary kaon electroproduction cross sections measured at MAMI

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

Research output: Contribution to journalConference articlepeer-review

Abstract

Present and future research into the electroproduction of kaons plays an important role at Mainz Microtron MAMI. With the KAOS spectrometer employed for kaon detection in the multi-spectrometer facility, cross section measurements of the exclusive p(e,e′K+)δ,Σ0 reactions at low momentum transfers have been performed. Isobar and Regge-plus-resonance models were compared with the data. These measurements have clearly discriminated between effective Lagrangian models for photo- and electroproduction of strangeness. New experiments with polarized beam at low four-momentum transfer are addressing the imaginary part of the longitudinal-transverse response in this process, that can be separated by flipping the beam electron helicity. These studies are important for the understanding of basic coupling constants in the isobar models and the electromagnetic form factors of the hadrons and their resonances involved in the process.

Original languageEnglish
Article number06004
JournalEPJ Web of Conferences
Volume37
DOIs
Publication statusPublished - 2012
Event12th International Workshop on Production, Properties and Interaction of Mesons, MESON 2012 - Cracow, Poland
Duration: 2012 May 312012 Jun 5

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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