Measurement of eta+- with the CPLEAR experiment (Journal article)

Adler, R./ Alhalel, T./ Angelopoulos, A./ Apostolakis, A./ Aslanides, E./ Backenstoss, G./ Bargassa, P./ Bee, C. P./ Behnke, O./ Benelli, A./ Bertin, V./ Blanc, F./ Bloch, P./ Carlson, P./ Carroll, M./ Carvalho, J./ Cawley, E./ Charalambous, S./ Chardin, G./ Chertok, M. B./ Cody, A./ Danielsson, M./ Dejardin, H./ Derre, J./ Ealet, A./ Eckart, B./ Eleftheriadis, C./ Evangelou, I./ Faravel, L./ Fassnacht, P./ Felder, C./ FerreiraMarques, R./ Fetscher, W./ Fidecaro, M./ Filipcic, A./ Francis, D./ Fry, J./ Gabathuler, E./ Gamet, R./ Garreta, D./ Gerber, H. J./ Go, A./ Guyot, C./ Haselden, A./ Hayman, P. J./ HenryCouannier, F./ Hollander, R. W./ Hubert, E./ JonAnd, K./ Kettle, P. R./ Kochowski, C./ Kokkas, P./ Kreuger, R./ LeGac, R./ Leimgruber, F./ Liolios, A./ Machado, E./ Mandic, I./ Manthos, N./ Marel, G./ Mikuz, M./ Miller, J./ Montanet, F./ Nakada, T./ Pagels, B./ Papadopoulos, I./ Pavlopoulos, P./ daCunha, J. P./ Policarpo, A./ Polivka, G./ Rickenbach, R./ Roberts, B. L./ Ruf, T./ Sakeliou, L./ Sanders, P./ Santoni, C./ Schafer, M./ Schaller, L. A./ Schietinger, T./ Schopper, A./ Schune, P./ Soares, A./ Tauscher, L./ Thibault, C./ Touchard, F./ Touramanis, C./ Triantis, F./ VanBeveren, E./ VanEijk, C. W. E./ Vlachos, S./ Weber, P./ Wigger, O./ Wolter, M./ Yeche, C./ Zavrtanik, D./ Zimmerman, D.


The CPLEAR experiment at CERN uses time-dependent decay-rate asymmetries between K-0 and (K) over bar(0) to measure eta(+-). The analysis and the systematic errors are discussed. The preliminary results from all our data are phi(+-) = 43.5 degrees +/- 0.5(stat)degrees +/- 0.5(syst)+/-0.4(Delta m) and \eta(+-)\ = (2.316 +/- 0.025(stat) +/- 0.028(syst) +/- 0.009(tau S)) x 10(-3). The dominant part in the systematic error of phi(+-) is due to the regeneration correction. A dedicated experiment was performed to reduce this error considerably.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
URI: http://olympias.lib.uoi.gr/jspui/handle/123456789/17700
ISSN: 0550-3213
Link: <Go to ISI>://WOS:A1997XJ39200056
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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