Ahmed, Z. and Akerib, D. S. and Arrenberg, S. and Bailey, C. N. and Balakishiyeva, D. and Baudis, L. and Bauer, D. A. and Beaty, J. and Brink, P. L. and Bruch, T. and Bunker, R. and Cabrera, B. and Caldwell, D. O. and Cooley, J. and Cushman, P. and DeJongh, F. and Dragowsky, M. R. and Duong, L. and Figueroa-Feliciano, E. and Filippini, J. and Fritts, M. and Golwala, S. R. and Grant, D. R. and Hall, J. and Hennings-Yeomans, R. and Hertel, S. and Holmgren, D. and Hsu, L. and Huber, M. E. and Kamaev, O. and Kiveni, M. and Kos, M. and Leman, S. W. and Mahapatra, R. and Mandic, V. and Moore, D. and McCarthy, K. A. and Mirabolfathi, N. and Nelson, H. and Ogburn, R. W. and Pyle, M. and Qiu, X. and Ramberg, E. and Rau, W. and Reisetter, A. and Saab, T. and Sadoulet, B. and Sander, J. and Schnee, R. W. and Seitz, D. N. and Serfass, B. and Sundqvist, K. M. and Tarka, M. and Wang, G. and Yellin, S. and Yoo, J. and Young, B. A. (2009) Search for Axions with the CDMS Experiment. Physical Review Letters, 103 (14). Art. No. 141802. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:20091022-105715920
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We report on the first axion search results from the Cryogenic Dark Matter Search (CDMS) experiment at the Soudan Underground Laboratory. An energy threshold of 2 keV for electron-recoil events allows a search for possible solar axion conversion into photons or local galactic axion conversion into electrons in the germanium crystal detectors. The solar axion search sets an upper limit on the Primakov coupling g_(aγγ) of 2.4×10^(-9) GeV^(-1) at the 95% confidence level for an axion mass less than 0.1 keV/c^2. This limit benefits from the first precise measurement of the absolute crystal plane orientations in this type of experiment. The galactic axion search analysis sets a world-leading experimental upper limit on the axioelectric coupling g_(ae[overbar]e) of 1.4×10^(-12) at the 90% confidence level for an axion mass of 2.5 keV/c^2.
|Additional Information:||© 2009 American Physical Society. Received 5 March 2009; published 1 October 2009. This experiment would not have been possible without the contributions of numerous engineers and technicians; we would like to especially thank Larry Novak, Richard Schmitt, and Astrid Tomada. We thank the CAST and Tokyo helioscope collaborations for providing us with their axion limits. The direction measurement of the true north in the Soudan Underground Laboratory relied on the help from the Fermilab Alignment Group. Special thanks to Virgil Bocean. This work is supported in part by the National Science Foundation (Grants No. AST-9978911, No. PHY-0542066, No. PHY-0503729, No. PHY-0503629, No. PHY-0503641, No. PHY-0504224, and No. PHY- 0705052), by the Department of Energy (Contracts No. DE-AC03-76SF00098, No. DE-FG02-91ER40688, No. DE-FG02-92ER40701, No. DE-FG03-90ER40569, and No. DE-FG03-91ER40618), by the Swiss National Foundation (SNF Grant No. 20-118119), and by NSERC Canada (Grant SAPIN 341314-07).|
|Classification Code:||PACS numbers: 14.80.Mz, 29.40.-n, 95.30.Cq, 95.35.+d|
|Official Citation:||Search for Axions with the CDMS Experiment Z. Ahmed, D. S. Akerib, S. Arrenberg, C. N. Bailey, D. Balakishiyeva, L. Baudis, D. A. Bauer, J. Beaty, P. L. Brink, T. Bruch, R. Bunker, B. Cabrera, D. O. Caldwell, 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. Holmgren, 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, M. Tarka, G. Wang, S. Yellin, J. Yoo, and B. A. Young CDMS Collaboration, Phys. Rev. Lett. 103, 141802 (2009), DOI:10.1103/PhysRevLett.103.141802|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Jason Perez|
|Deposited On:||23 Oct 2009 22:32|
|Last Modified:||06 Mar 2013 04:42|
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