{ "id": "hep-ex/9810018", "version": "v1", "published": "1998-10-08T04:43:03.000Z", "updated": "1998-10-08T04:43:03.000Z", "title": "Observation of the decay mode K_L -> pi^+ pi^- e^+ e^-", "authors": [ "Y. Takeuchi", "Y. Hemmi", "H. Kurashige", "Y. Matono", "K. Murakami", "T. Nomura", "H. Sakamoto", "N. Sasao", "M. Suehiro", "Y. Fukushima", "Y. Ikegami", "T. T. Nakamura", "T. Taniguchi", "M. Asai" ], "comment": "9 pages, 6 eps-figures, LaTeX2e, graphicx package, submitted to Physics Letters B", "journal": "Phys.Lett.B443:409-414,1998", "doi": "10.1016/S0370-2693(98)01359-8", "categories": [ "hep-ex" ], "abstract": "We report on results of an experimental search for the K_L -> pi^+ pi^- e^+ e^- decay mode. We found 13.5 +- 4.0 events and determined its branching ratio to be (4.4 +- 1.3(stat) +- 0.5(syst))*10^{-7}. The result agrees well with the theoretical prediction.", "revisions": [ { "version": "v1", "updated": "1998-10-08T04:43:03.000Z" } ], "analyses": { "subjects": [ "13.20.Eb", "14.40.Aq" ], "keywords": [ "decay mode", "observation", "experimental search", "result agrees" ], "tags": [ "research tool", "journal article" ], "note": { "typesetting": "LaTeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "inspire": 477554 } } }