{"paper":{"title":"Measurement of the branching ratio of the decay $\\Xi^{0}\\rightarrow \\Sigma^{+} \\mu^{-} \\bar{\\nu}_{\\mu}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bizzeti, A. Ceccucci, A. Dabrowski, A. Gianoli, A. Gonidec, A. Hirstius, A. Maier, A. Michetti, A. Nappi, A. Norton, A. Peters, A. Walker, A. Winhart, A. Zinchenko, B. Panzer-Steindel, B. Peyaud, B. Vallage, C. Biino, C. Cerri, C. Cheshkov, C. Lazzeroni, C. Morales Morales, D. Cundy, D.J. Munday, D. Madigozhin, E.C. Swallow, E. Goudzovski, E. Iacopini, E. Imbergamo, E. Mazzucato, E. Menichetti, E. Monnier, F. Costantini, F. Marchetto, F. Petrucci, G. Anzivino, G. Bocquet, G. Collazuol, G.E. Kalmus, G. Gouge, G. Lamanna, G. Marel, G. Neuhofer, G. Pierazzini, G. Ruggiero, H. Dibon, H. Wahl, I. Mannelli, I. Mikulec, J.B. Cheze, J.R. Batley, K. Eppard, K. Kleinknecht, L. Fiorini, L. Gatignon, L. Litov, L. Masetti, L. Widhalm, M. Behler, M. Calvetti, M. Clemencic, M.C. Petrucci, M. De Beer, M. Eppard, M. Holder, M. Jeitler, M. Lenti, M. Markytan, M. Martini, M. Patel, M. Pepe, M. Piccini, M. Savrie, M. Scarpa, M. Sozzi, M. Valdata, M. Velasco, M. Veltri, M.W. Slater, M. Ziolkowski, N. Cartiglia, N. Doble, N. Molokanova, N. Pastrone, P. Cenci, P. Dalpiaz, P. Debu, P. Grafstrom, P. Hristov, P.L. Frabetti, P. Lubrano, P. Marouelli, P. Rubin, R. Arcidiacono, R. Fantechi, R. Sacco, R. Wanke, R. Winston, S.A. Wotton, S. Bifani, S. Giudici, S. Goy Lopez, S. Stoynev, T. Fonseca Martin, U. Koch, U. Moosbrugger, V. Falaleev, V. Kekelidze, V. Kozhuharov, W. Baldini, W. Kubischta, W. Wislicki, Yu. Potrebenikov","submitted_at":"2012-12-13T11:23:06Z","abstract_excerpt":"From the 2002 data taking with a neutral kaon beam extracted from the CERN-SPS, the NA48/1 experiment observed 97 $\\Xi^{0}\\rightarrow \\Sigma^{+} \\mu^{-} \\bar{\\nu}_{\\mu}$ candidates with a background contamination of $30.8 \\pm 4.2$ events.\n  From this sample, the BR($\\Xi^{0}\\rightarrow \\Sigma^{+} \\mu^{-} \\bar{\\nu}_{\\mu}$) is measured to be $(2.17 \\pm 0.32_{\\mathrm{stat}}\\pm 0.17_{\\mathrm{syst}})\\times10^{-6}$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3131","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}