Ahmed, Z. and Filippini, J. and Golwala, S. R. and Moore, D. and Ogburn, R. W. and Wang, G. (2009) Characterization of SuperCDMS 1-inch Ge Detectors. In: The Thirteenth International Workshop on Low Temperature Detectors - LTD 13. AIP Conference Proceedings (1185). American Institute of Physics , New York, pp. 659-662. ISBN 978-0-7354-0751-0 http://resolver.caltech.edu/CaltechAUTHORS:20100929-111803852
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Abstract
The newly commissioned SuperCDMS Soudan experiment aims to search for WIMP dark matter with a sensitivity to cross sections of 5×10^(−45)cm^2 and larger (90% CL upper limit). This goal is facilitated by a new set of germanium detectors, 2.5 times more massive than the ones used in the CDMS-II experiment, and with a different athermal phonon sensor layout that eliminates radial degeneracy in position reconstruction of high radius events. We present characterization data on these detectors, as well as improved techniques for correcting position-dependent variations in pulse shape across the detector. These improvements provide surface-event discrimination sufficient for a reach of 5×10^(−45)cm^2.
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| Additional Information: | © 2009 American Institute of Physics. Issue Date: 16 December 2009. This work is supported in part by the National Science Foundation (Grant Nos. AST-9978911, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641, PHY- 0504224, PHY-0705052, PHY-0801536, PHY-0801708, PHY-0801712 and PHY-0802575), by the Department of Energy (Contracts DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701, DEFG03-90ER40569, and DE-FG03-91ER40618), and by NSERC Canada (Grant SAPIN 341314-07). | ||||||||||||||||||||||||||||||||||||
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| Subject Keywords: | Dark Matter; Cryogenic Detectors; SuperCDMS | ||||||||||||||||||||||||||||||||||||
| Classification Code: | PACS: 95.35.+d, 14.80.Ly, 29.40.Vj, 73.61.Jc, 85.25.-j, 85.25.Oj | ||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20100929-111803852 | ||||||||||||||||||||||||||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20100929-111803852 | ||||||||||||||||||||||||||||||||||||
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| Official Citation: | Characterization of SuperCDMS 1-inch Ge Detectors Z. Ahmed, D. S. Akerib, C. N. Bailey, D. Balakishiyeva, D. A. Bauer, J. Beaty, P. L. Brink, R. Bunker, B. Cabrera, D. O. Caldwell, K. Clark, J. Cooley, P. Cushman, F. DeJongh, M. R. Dragowsky, L. Duong, E. Figueroa-Feliciano, J. Filippini, M. Fritts, S. R. Golwala, D. R. Grant, J. Hall, R. Hennings-Yeomans, S. Hertel, D. Homgren, L. Hsu, M. E. Huber, O. Kamaev, M. Kiveni, M. Kos, S. W. Leman, R. Mahapatra, V. Mandic, D. Moore, K. A. McCarthy, N. Mirabolfathi, H. Nelson, R. W. Ogburn, M. Pyle, X. Qiu, E. Ramberg, W. Rau, A. Reisetter, T. Saab, B. Sadoulet, J. Sander, R. W. Schnee, D. N. Seitz, B. Serfass, K. M. Sundqvist, A. Tomada, G. Wang, S. Yellin, J. Yoo, and B. A. Young, AIP Conf. Proc. 1185, 659 (2009), DOI:10.1063/1.3292428 | ||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||
| ID Code: | 20217 | ||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||
| Deposited By: | Jason Perez | ||||||||||||||||||||||||||||||||||||
| Deposited On: | 13 Oct 2010 20:33 | ||||||||||||||||||||||||||||||||||||
| Last Modified: | 26 Dec 2012 12:28 |
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