Overview of the electromagnetic production of strange mesons at MAMI

P. Achenbach, M. Gómez Rodríguez, K. Tsukada, C. Ayerbe Gayoso, R. Böhm, O. Borodina, D. Bosnar, V. Bozkurt, P. Bydžovský, L. Debenjak, M. O. Distler, A. Esser, I. Friščić, Y. Fujii, T. Gogami, O. Hashimoto, S. Hirose, H. Kanda, M. Kaneta, E. KimA. Margaryan, H. Merkel, U. Müller, S. 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

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The Mainz Microtron MAMI provides a continuous-wave unpolarized or spin-polarized electron beam with energies up to 1.6 GeV and high degrees of polarization. Electro-production of strange mesons is performed in the multi-spectrometer facility with the Kaos spectrometer for kaon detection and a high-resolution spectrometer for electron detection in plane or out of plane. Differential cross section measurements of exclusive p(e, e 'K +)Λ, σ0 reactions at low four-momentum transfers in the nucleon's third resonance region have been done, followed by a measurement of the beam helicity asymmetry for p(e→,e'K+)Λ. These studies are important for the understanding of the effective coupling of photons to the hadrons and their resonances and electromagnetic form factors entering different effective Lagrangian models for photo- and electro-production of strangeness. The polarized structure function, extracted from the beam helicity asymmetry, shows an especially high sensitivity to model parameters.

本文言語English
ページ(範囲)41-50
ページ数10
ジャーナルNuclear Physics A
914
DOI
出版ステータスPublished - 2013 9

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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