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T: Teilchenphysik

T 504: Neutrinos II

T 504.1: Vortrag

Dienstag, 8. März 2005, 14:00–14:15, TU H1029

Recent Physics Results from the Borexino Counting Test Facility (CTF) — •Davide D’Angelo, Franz vFeilitzsch, Lothar Oberauer, Ludwig Niedermeier, Christian Lendvai, Christian Grieb, Marianne Goeger-Neff, and Gunther Korshinek — Technische Universitaet Muenchen, James Franck Strasse, E15 D-85747, Garching, Germany

The Borexino Experiment is a sub-MeV real time neutrino detector, which aims to measure the 7Be monocromatic line in the solar neutrino spectrum. The CTF (Counting Test Facility) detector is the prototype of the Borexino detector and, as the main Borexino detector, it is located in the Gran Sasso underground laboratory (ITaly) under the shield of 1400 meters of dolomitic rocks. It holds four tons of organic liquid scintillator watched by 100 photomultiplier tubes. Its main goal is to test scintillator properties and purification strategies for the Borexino detector and it has worked successfully under this respect since 1995 in three different data taking campaigns. The CTF is currently fully operative and it is taking data continuosly since November 2001 (CTF3 campaign). The large amount of data collected so far allows a number of interesting studies in the fields of nuclear and particle physics. A review of the latest results published or in course of publication will be presented here.