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CRESST - status and future

NUCL PHYS B-PROC SUP 173 (2007) 104-107

Authors:

H Kraus, G Angloher, M Bauer, I Bavykina, C Bucci, P Christ, C Ciemniak, C Cozzini, C Coppi, F von Feilitzsch, D Hauff, S Henry, J Imber, C Isaila, T Jagemann, J Jochum, JC Lanfranchi, R Lang, B Majorovits, M Malek, R McGowan, V Mikhailik, J Ninkovic, E Pantic, F Petricca, S Pfister, W Potzel, F Probst, Y Ramachers, W Rau, M Razeti, K Rottler, S Scholl, W Seidel, M Stark, L Stodolsky, A Tolhurst, W Westphal, H Wulandari

Abstract:

We present results on WIMP dark matter interaction, obtained using cryogenic phonon-scintillation detectors. The targets are CaWO4 scintillating crystals with phonon sensors, while scintillation is detected with an associated cryogenic light detector. The combination of phonon and light signals leads to a strong suppression of nonnuclear recoil backgrounds. Results obtained before the upgrade of CRESST are presented and a status report on the upgrade itself is given.
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EURECA - the European future of dark matter searches with cryogenic detectors

NUCL PHYS B-PROC SUP 173 (2007) 168-171

Authors:

H Kraus, M Bauer, I Bavykina, A Benoit, J Blumer, A Broniatowski, V Brudanin, G Burghart, P Camus, A Chantelauze, M Chapellier, G Chardin, P Christ, C Ciemniak, C Coppi, M De Jesus, A De Lesquen, H Deschamps, P Di Stefano, L Dumoulin, K Eitel, F von Feilitzsch, M Fesquet, J Gascon, G Gerbier, C Goldbach, M Gros, D Hauff, S Henry, M Horn, J Imber, C Isaila, J Jochum, A Juillard, M Kimmerle, JC Lanfranchi, R Lemrani, A Lubashevsky, M Luca, M Malek, S Marnieros, R McGowan, V Mikhailik, XF Navick, T Niinikoski, G Nollez, E Pantic, P Pari, L Perevoshchikov, F Petricca, S Pfister, W Potzel, F Probst, W Rau, F Ritter, K Rottler, V Sanglard, S Scholl, F Schwamm, W Seidel, A Smolnikov, M Stern, M Teshima, B Tolhurst, W Westphal, P Wikus, J Wolf, E Yakushev

Abstract:

EURECA (European Underground Rare Event Calorimeter Array) is a new project, searching for dark matter, with largely the present groups of the CRESST and EDELWEISS experiments and already a few new groups. The aim is to explore scalar cross sections in the 10(-9) - 10(-10) picobarn region with a target mass of up to one tonne. A major advantage of EURECA is our planned use of more that just one target material (multi target experiment for WIMP identification). In preparation for this large-scale experiment, R&D for EURECA is provided through the current phases of CRESST and EDELWEISS.
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Observations of the Askaryan Effect in Ice

Physical Review Letters American Physical Society (APS) 99:17 (2007) 171101

Authors:

PW Gorham, SW Barwick, JJ Beatty, DZ Besson, WR Binns, C Chen, P Chen, JM Clem, A Connolly, PF Dowkontt, MA DuVernois, RC Field, D Goldstein, A Goodhue, C Hast, CL Hebert, S Hoover, MH Israel, J Kowalski, JG Learned, KM Liewer, JT Link, E Lusczek, S Matsuno, B Mercurio, C Miki, P Miočinović, J Nam, CJ Naudet, J Ng, R Nichol, K Palladino, K Reil, A Romero-Wolf, M Rosen, L Ruckman, D Saltzberg, D Seckel, GS Varner, D Walz, F Wu
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RESULTS FROM THE ANITA EXPERIMENT

Modern Physics Letters A World Scientific Publishing 22:30 (2007) 2237-2246

Authors:

ANDREA SILVESTRI, SW BARWICK, JJ BEATTY, DZ BESSON, WR BINNS, B CAI, JM CLEM, A CONNOLLY, DF COWEN, PF DOWKONTT, MA DU VERNOIS, PA EVENSON, D GOLDSTEIN, PW GORHAM, CL HEBERT, MH ISRAEL, JG LEARNED, KM LIEWER, JT LINK, S MATSUNO, P MIOCINOVIC, J NAM, CJ NAUDET, R NICHOL, K PALLADINO, M ROSEN, D SALTZBERG, D SECKEL, A SILVESTRI, BT STOKES, GS VARNER, F WU
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Development of superconducting contacts for the CRESST II 66-channel superconducting quantum interference device readout system.

Rev Sci Instrum 78:7 (2007) 073301

Authors:

B Majorovits, S Henry, H Kraus

Abstract:

The CRESST experiment is designed to search for weakly interacting massive particle dark matter with cryogenic detectors. CRESST II will use up to 33 CaWO(4) crystals with a total mass of approximately 10 kg. These many detectors require a readout system based on 66-channel superconducting quantum interference devices (SQUIDs). In this article we report on the development of a modular superconducting connector for the 66-channel SQUID readout circuit. We show that the technique developed reliably produces superconducting contacts.
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