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A measurement of the $K_s$ lifetime

A. Lai D. Marras J R. Batley A. Bevan R S. Dosanjh T J. Gershon B. Hay G E. Kalmus C. Lazzeroni D J. Munday M D. Needham E. Olaiya M A. Parker T O. White S A. Wotton G. Barr G. Bocquet A. Ceccucci T. Cuhadar-Donszelmann D. Cundy G. d'Agostini N. Doble V P. Falaleev W. Funk L. Gatignon A. Gonidec B. Gorini G. Govi P. Grafstrom W. Kubischta A. Lacourt M. Lenti S. Luitz J P. Matheys I. Mikulec A. Norton S. Palestini B. Panzer-Steindel D. Schinzel G. Tatishvili H. Taureg M. Velasco O. Vossnack H. Wahl C. Cheshkov A. Gaponenko P Z. Khristov V. Kekelidze D. Madigojine N. Molokanova Yu. Potrebenikov A. Tkachev A. Zinchenko I. Knowles V. Martin H. Parsons R. Sacco A. Walker M. Contalbrigo P. Dalpiaz J. Duclos P L. Frabetti A. Gianoli M. Martini F. Petrucci M. Savrie M. Scarpa A. Bizzeti M. Calvetti G. Collazuol G. Graziani E. Iacopini F. Martelli M. Veltri H G. Becker H. Bluemer D. Coward M. Eppard H. Fox A. Hirstius K. Holtz A. Kalter K. Kleinknecht U. Koch L. Kopke P. Lopes da Silva P. Marouelli I. Pellmann A. Peters S A. Schmidt V. Schonharting Y. Schue R. Wanke A. Winhart M. Wittgen J C. Chollet 1 S. Crepe 1 L. Fayard 1 L. Iconomidou-Fayard 1 J. Ocariz 1 G. Unal 1 I. Wingerter-Seez 1 G. Anzivino P. Cenci E. Imbergamo P. Lubrano A. Mestvirishvili A. Nappi M. Pepe M. Piccini L. Bertanza A. Bigi P. Calafiura R. Carosi R. Casali C. Cerri M. Cirilli F. Costantini R. Fantechi S. Giudici I. Mannelli G. Pierazzini M. Sozzi J B. Cheze J. Cogan M. de Beer P. Debu F. Derue A. Formica R. Granier de Cassagnac E. Mazzucato B. Peyaud R. Turlay B. Vallage I. Augustin M. Bender M. Holder A. Maier M. Ziolkowski R. Arcidiacono C. Biino N. Cartiglia R. Guida F. Marchetto E. Menichetti N. Pastrone J P. Nassalski E. Rondio M. Szleper W. Wislicki S. Wronka H. Dibon G. Fischer M. Jeitler M. Markytan G. Neuhofer M. Pernicka A. Taurok L. Widhalm
Abstract : A measurement of the $\KS$ lifetime is presented using data recorded by the NA48 experiment at the CERN-SPS during 1998 and 1999. The $\KS$ lifetime is derived from the ratio of decay time distributions in simultaneous, collinear $\KS$ and $\KL$ beams, giving a result which is approximately independent of the detector acceptance and with reduced systematic errors. The result obtained is $\tauS=(0.89598 \pm 0.00048 \pm 0.00051)\E{-10}$\,s, where the first error is statistical and the second systematic.
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Submitted on : Tuesday, June 25, 2002 - 2:22:04 PM
Last modification on : Saturday, January 2, 2021 - 11:26:02 PM

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A. Lai, D. Marras, J R. Batley, A. Bevan, R S. Dosanjh, et al.. A measurement of the $K_s$ lifetime. 2002. ⟨in2p3-00011549⟩

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