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Issue EAS Publications Series
Volume 36, 2009
Dark Energy and Dark Matter: Observations, Experiments and Theories
Page(s) 315 - 317
DOI 10.1051/eas/0936045
Published online 30 May 2009

Dark Energy and Dark Matter: Observations, Experiments and Theories
E. Pécontal, T. Buchert, Ph. Di Stefano and Y. Copin (eds)
EAS Publications Series, 36 (2009) 315-317
DOI: 10.1051/eas/0936045

Characterization of the CRESST detectors by neutron induced nuclear recoils

C. Coppi1, C. Ciemniak1, F. von Feilitzsch1, A. Gütlein1, H. Hagn1, C. Isaila1, J. Jochum2, M. Kimmerle2, J.-C. Lanfranchi1, S. Pfister1, W. Potzel1, W. Rau3, S. Roth1, K. Rottler2, C. Sailer2, S. Scholl2, I. Usherov2 and W. Westphal1, 4

1  Physik-Department E15, Technische Universität München, 85747 Garching, Germany
2  Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
3  Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
4  Deceased


Published online: 30 May 2009

Abstract
CRESST is an experiment for the direct detection of dark matter particles via nuclear recoils. The CRESST detectors, based on CaWO4 scintillating crystals, are able to discriminate $\gamma$ and $\beta$ background by simultaneously measuring the light and phonon signals produced by particle interactions. The discrimination of the background is possible because of the different light output (Quenching Factor, QF) for nuclear and electron recoils. In this article a measurement is shown, aimed at the determination of the QFs of the different nuclei (O, Ca, W) of the detector crystal at 40–60 mK using an 11 MeV neutron beam produced at the Maier-Leibnitz-Laboratorium in Garching (MLL).



© EAS, EDP Sciences 2009


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