A detailed description of the analysis of the decay of neutral kaons to pi(+)pi(-) in the CPLEAR experiment (Journal article)

Apostolakis, A./ Aslanides, E./ Backenstoss, G./ Bargassa, P./ Behnke, O./ Benelli, A./ Bertin, V./ Blanc, F./ Bloch, P./ Carlson, P./ Carroll, M./ Cawley, E./ Chertok, M. B./ Danielsson, M./ Dejardin, M./ Derre, J./ Ealet, A./ Eleftheriadis, C./ Fetscher, W./ Fidecaro, M./ Filipcic, A./ Francis, D./ Fry, J./ Gabathuler, E./ Gamet, R./ Gerber, H. J./ Go, A./ Haselden, A./ Hayman, P. J./ Henry-Couannier, F./ Hollander, R. W./ Jon-And, K./ Kettle, P. R./ Kokkas, P./ Kreuger, R./ Le Gac, R./ Leimgruber, F./ Mandic, I./ Manthos, N./ Marel, G./ Mikuz, M./ Miller, J./ Montanet, F./ Muller, A./ Nakada, T./ Pagels, B./ Papadopoulos, I./ Pavlopoulos, P./ Polivka, G./ Rickenbach, R./ Roberts, B. L./ Ruf, T./ Sakeliou, L./ Schafer, M./ Schaller, L. A./ Schietinger, T./ Schopper, A./ Tauscher, L./ Thibault, C./ Touchard, F./ Touramanis, C./ Van Eijk, C. W. E./ Vlachos, S./ Weber, P./ Wigger, O./ Wolter, M./ Yeche, C./ Zavrtanik, D./ Zimmerman, D./ CPLEAR Collaboration


A detailed description is given of the analysis of neutral kaons decaying to pi (+)pi (-), based on the complete set of data collected with the CPLEAR experiment. Using a novel approach involving initially strangeness-tagged K-0 and (K) over bar (0), the time-dependent decay-rate asymmetry has been measured. This asymmetry, resulting from the interference between the K-S and K-L decay amplitudes, has enabled both the magnitude and phase of the CP-violation parameter, eta (+-), to be measured, with a precision comparable to that of the current world-average values.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Keywords: violation parameter eta(+-),s mass difference,semileptonic decays,system,tests
URI: http://olympias.lib.uoi.gr/jspui/handle/123456789/16800
ISSN: 1434-6044
Link: <Go to ISI>://000165891200003
http://www.springerlink.com/content/b90ppqm7f5g8xdj3/fulltext.pdf
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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