The Edelweiss Dark Matter Experiment is installed in the Modane Underground Laboratory since 1994. In 1997 the first detector of a 70 g heat and ionization Ge low-temperature detector built by the collaboration showed its discrimination capabilities. During the last two years the installation was upgraded, and a new generation of 70 g Ge detectors is operational. The detector environment is drastically controlled to avoid radioactive contamination. A test run with two new 70 g detectors shows a reduction by a factor of ten in the background level before gamma -ray rejection which is now around 2 events/kg/keV/day. Three 320 g Ge cryogenic detectors have been constructed and are now being: tested and should soon be operational in the present cryostat. A new cryostat is being built and will allow a detection volume of 100 1. It is expected to be installed in Modane next year. in a first step of 21x320 g Ge detectors, the Edelweiss-II experiment should test an important fraction of the MSSM Susy parameter space.
Status of the EDELWEISS Experiment / M. De Jesus, A. Benoit, L. Berge, A. Broniatowski, M. Caussignac, B. Chambon, M. Chapellier, G. Chardin, P. Charvin, D. Drain, L. Dumoulin, P. Garoche, J. Gascon, F. Goetzinger, C. Goldbach, M. Goyot, M. Gros, J. Hadjout, S. Herve, A. Juillard, A. de Lesquen, M. Loidl, J. Mallet, J. Mangin, S. Marnieros, M. Martin, O. Martineau, N. Mirabolfathi, L. Miramonti, L. Mosca, X. Navick, G. Nollez, P. Pari, F. Patru, C. Pastor, E. Simon, M. Stern, J. Torre, L. Vagneron - In: SOURCES AND DETECTION OF DARK MATTER AND DARK ENERGY IN THE UNIVERSE / De Jesus, M (De Jesus, M); Benoit, A (Benoit, A); Berge, L (Berge, L); Broniatowski, A (Broniatowski, A); Caussignac, M (Caussignac, M); Chambon, B (Chambon, B); Chapellier, M (Chapellier, M); Chardin, G (Chardin, G); Charvin, P (Charvin, P); Drain, D (Drain, D); Dumoulin, L (Dumoulin, L); Garoche, P (Garoche, P); Gascon, J (Gascon, J); Goetzinger, F (Goetzinger, F); Goldbach, C (Goldbach, C); Goyot, M (Goyot, M); Gros, M (Gros, M); Hadjout, JP (Hadjout, JP); Herve, S (Herve, S); Juillard, A (Juillard, A); de Lesquen, A (de Lesquen, A); Loidl, M (Loidl, M); Mallet, J (Mallet, J); Mangin, J (Mangin, J); Marnieros, S (Marnieros, S); Martin, M (Martin, M); Martineau, O (Martineau, O); Mirabolfathi, N (Mirabolfathi, N); Miramonti, L (Miramonti, L); Mosca, L (Mosca, L); Navick, XF (Navick, XF); Nollez, G (Nollez, G); Pari, P (Pari, P); Patru, F (Patru, F); Pastor, C (Pastor, C); Simon, E (Simon, E); Stern, M (Stern, M); Torre, JP (Torre, JP); Vagneron, L (Vagneron, L). - BERLIN : SPRINGER-VERLAG BERLIN, 2001. - ISBN 3-540-41216-6. - pp. 378-386 (( convegno 4th International Symposium on Sources and Detection of Dark Matter and Dark Energy in the Universe tenutosi a MARINA DEL REY, CA nel FEB 23-25, 2000.
Status of the EDELWEISS Experiment
L. Miramonti;
2001
Abstract
The Edelweiss Dark Matter Experiment is installed in the Modane Underground Laboratory since 1994. In 1997 the first detector of a 70 g heat and ionization Ge low-temperature detector built by the collaboration showed its discrimination capabilities. During the last two years the installation was upgraded, and a new generation of 70 g Ge detectors is operational. The detector environment is drastically controlled to avoid radioactive contamination. A test run with two new 70 g detectors shows a reduction by a factor of ten in the background level before gamma -ray rejection which is now around 2 events/kg/keV/day. Three 320 g Ge cryogenic detectors have been constructed and are now being: tested and should soon be operational in the present cryostat. A new cryostat is being built and will allow a detection volume of 100 1. It is expected to be installed in Modane next year. in a first step of 21x320 g Ge detectors, the Edelweiss-II experiment should test an important fraction of the MSSM Susy parameter space.
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