Hamburg 2016 – scientific programme
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T: Fachverband Teilchenphysik
T 36: Neutrinoloser Doppelbeta-Zerfall II
T 36.2: Talk
Monday, February 29, 2016, 17:05–17:20, VMP9 SR 07
A new approach to Neganov-Trofimov-Luke cryogenic light detectors for Astroparticle Physics — •Elizabeth Mondragón1, X. Defay1, J-C. Lanfranchi1, A. Langenkämper1, A. Münster1, E. Olivieri2, W. Potzel1, S. Schönert1, H. Steiger1, S. Wawoczny1, M. Willers1, and A. Zöller1 — 1Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching — 2Centre de Sciences Nucléaires et Sciences de la Matière (CSNSM), IN2P3 Orsay, France
There is a common need in Astroparticle experiments such as direct Dark Matter detection, neutrinoless double beta decay and coherent neutrino nucleus scattering experiments for detectors with a very low energy threshold. By employing the Neganov-Trofimov-Luke Effect (NTLE) the thermal signal of particle interactions in a semiconductor absorber, operated at cryogenic temperatures, can be amplified by drifting electrons and holes under an electric field inside the semiconductor. We present here the first results of a novel type of a NTLE light detector with a planar electric field configuration designed to improve the charge collection within the semiconductor. This research was supported by the DFG cluster of excellence “Origin and Structure of the Universe ”, by the Helmholtz Alliance for Astroparticle Physikcs, by the Maier-Leibnitz-Laboratorium (Garching) and by the BMBF.