Evidence for πK-atoms with DIRAC

Autor: C. Guaraldo, S.V. Trusov, A. I. Kulikov, J. Smolik, M. Zhabitsky, V. Yazkov, L. Nemenov, I. Kurochkin, P. Chliapnikov, Bernardo Adeva, V.I. Rykalin, D. Dumitriu, L. Afanasyev, S. Sugimoto, M. Plo, C. Detraz, Fujio Takeutchi, A. Lopez Agüera, V. Lucherini, Claude Amsler, Tomáš Čechák, L. Tauscher, L. Kruglova, Masaaki Kobayashi, O. Vazquez Doce, O. Gorchakov, M. Duma, A. Gorin, M. Iliescu, M. Hansroul, Y. Allkofer, C. Regenfus, A.V. Kuptsov, M. Nikitin, J. Saborido, C. Curceanu, T. Vrba, K. Gritsay, A. Ryazantsev, D. Drijard, J.L. Fungueiriño, Masami Chiba, Carlos Marinas, J. Gerndt, J. Rochet, D. Dreossi, R. Lednicky, V. Karpukhin, J. Schacher, A. Anania, V. Kruglov, A. Benelli, I. Manuilov, M. Pentia, M. Gugiu, S. Constantinescu, Alessandra Romero, V.M. Ronjin, Z. Hons, C. Ciocarlan, A. Lamberto, T. Trojek, V.I. Komarov, G.F. Rappazzo, S. Horikawa, Y. Yoshimura, A. Sidorov, J. Kluson, P. Zrelov, V. Brekhovskikh, A. Dudarev, Armando Lanaro, G. Caragheorgheopol, V. Olchevskii, P. Levi Sandri, A. Tarasov, A. Penzo, K. Okada, V. Utkin, V. Lapshin

Publikováno v: Physics Letters B. 674(1):11-16

We present evidence for the first observation of electromagnetically bound $\pi^\pm K^\mp$-pairs ($\pi K$-atoms) with the DIRAC experiment at the CERN-PS. The $\pi K$-atoms are produced by the 24 GeV/c proton beam in a thin Pt-target and the $\pi^\pm

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