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T: Fachverband Teilchenphysik
T 50: Spurkammern und Myondetektoren I
T 50.10: Talk
Monday, March 3, 2008, 19:00–19:15, Peterhof-HS 4
NEXT: R&D towards a Xenon High Pressure TPC — •Thorsten Lux1, Federico Sanchez2, J.J. Gomez-Cadenas3, Igor Garcia Irastorza4, Justo Martin-Albo3, Markus Ball3, Pau Novella3, Francesc Monrabal3, and Anselmo Cervera3 — 1Universitat Autónoma de Barcelona, Barcelona, Spain — 2IFAE, Barcelona, Spain — 3IFIC, Valencia, Spain — 4Universidad de Zaragoza, Zaragoza, Spain
An open question within the Standard Model is the nature of the neutrino. Is it a Mayorana
or a Dirac particle? The only way to answer this, is the search for neutrino-less double beta
decays. Various experimental approaches are investigated for this reason e.g. diodes, bolometers, liquid Xenon. The key points for all of them
is the high requirements on the energy resolution to distinguish between the decay with two neutrinos and the neutrino-less decay and the external background suppression.
Recently some Spanish groups started a R&D program to investigate the possibility to use a pressurized Xenon
TPC with MPGD readout (MM, LEM (GEM)). In the presentation the choice of gaseous Xe will be motivated and an
overview about the R&D plans will be given.