Date: Tue, 2 Oct 2001 09:07:13 +0200 (CEST) From: Jaap Panman <Jaap.Panman@cern.ch> To: nuint01@neutrino.kek.jp Subject: contribution to NuInt01 from CHORUS Message-ID: <Pine.LNX.3.95a.1011002085704.917D-100000@pcch61.cern.ch> Dear Conference organisers, I am contacting you as spokesman of the CHORUS experiment. I read the interesting announcement of the conference. On behalf of the CHORUS collaboration I would like to propose a speaker for one of your sessions. We have new results, which will be sent for publication soon, on the production of the D-zero in neutrino interactions. I attach an abstract below. As a speaker I would like to suggest K. Narita from Nagoya university, a young and productive physicist. I hope you will be able to schedule this presentation. With best regards, Jaap Panman ------------------------------------abstract--------------- \documentstyle[12pt]{report} \begin{document} The CHORUS experiment was designed to search for neutrino oscillation $\nu_{\mu} \rightarrow \nu_{\tau}$ by detecting charged current $\nu_{\tau}$ events. Thanks to the $1\mu m$ spatial resolution of nuclear emulsion the decay of the short lived $\tau$ particle will be recognized in emulsion by the change of its trajectory. The CHORUS experiment collected about $ 10^{6} \nu_{\mu} $ CC events during years 1994-1997. Up to now 140,000 $\nu_{\mu}$ events have been located and analysed in the nuclear emulsion target. The automated emulsion scanning speed increases each year. Now large area volume scanning has become possible. All tracks belonging to an interaction vertex can be recognized and measured. This technique can not only be applied to the search for neutrino oscillation but also for the recognition of events where charmed particles are produced. Results obtained from the analysis of a sub-sample of the data on the $D^0$ production rate in $\nu_\mu$ CC interactions will be presented. \end{document} =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Jaap Panman - Jaap.Panman@cern.ch European Laboratory for Particle Physics(CERN) - Geneva, Switzerland Phone: +41 22 767 3030 Fax: +41 22 767 3100
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