Search for Weakly Interacting Massive Particles with the First Five-Tower Data from the Cryogenic Dark Matter Search at the Soudan Underground Laboratory

Zeeshan Ahmed(California Institute of Technology), D. S. Akerib(Case Western Reserve University), S. Arrenberg(University of Zurich), M. J. Attisha(Brown University), C. N. Bailey(Case Western Reserve University), L. Baudis(University of Zurich), D. Bauer(Fermi National Accelerator Laboratory), J. Beaty(University of Minnesota System), P. L. Brink(Stanford University), T. Bruch(University of Zurich), R. Bunker(University of California, Santa Barbara), S. Bürke(University of California, Santa Barbara), B. Cabrera(Stanford University), D. O. Caldwell(University of California, Santa Barbara), J. Cooley(Stanford University), P. Cushman(University of Minnesota), F. DeJongh(Fermi National Accelerator Laboratory), M. R. Dragowsky(Case Western Reserve University), L. Duong(University of Minnesota), J. Emes(Lawrence Berkeley National Laboratory), E. Figueroa‐Feliciano(Massachusetts Institute of Technology), J. Filippini(University of California, Berkeley), M. Fritts(University of Minnesota), R. J. Gaitskell(Brown University), S. R. Golwala(California Institute of Technology), D. R. Grant(Case Western Reserve University), J. Hall(Fermi National Accelerator Laboratory), R. Hennings‐Yeomans(Case Western Reserve University), S. A. Hertel(Massachusetts Institute of Technology), D. Holmgren(Fermi National Accelerator Laboratory), M. E. Huber(University of Colorado Denver), R. Mahapatra(University of California, Santa Barbara), V. Mandic(University of Minnesota System), K. A. McCarthy(Massachusetts Institute of Technology), N. Mirabolfathi(University of California, Berkeley), H. Nelson(University of California, Santa Barbara), L. Novák(Stanford University), R. W. Ogburn(Stanford University), M. Pyle(Stanford University), Xiaoxue Qiu(University of Minnesota System), E. Ramberg(Fermi National Accelerator Laboratory), W. Rau(Queen's University), A. Reisetter(University of Minnesota), T. Saab(University of Florida), B. Sadoulet(Lawrence Berkeley National Laboratory), J. Sander(University of California, Santa Barbara), R. Schmitt(Fermi National Accelerator Laboratory), R. W. Schnee(Syracuse University), D. N. Seitz(University of California, Berkeley), B. Serfass(University of California, Berkeley), A. Sirois(Case Western Reserve University), K. M. Sundqvist(University of California, Berkeley), M. Tarka(University of Zurich), A. Tomada(Stanford University), G. Wang(California Institute of Technology), S. Yellin(University of California, Santa Barbara), J. Yoo(Fermi National Accelerator Laboratory), Betty Young(Santa Clara University)
Physical Review Letters
January 5, 2009
10.1103/physrevlett.102.011301
Cited by 421Open Access

Abstract

We report results from the Cryogenic Dark Matter Search at the Soudan Underground Laboratory (CDMS II) featuring the full complement of 30 detectors. A blind analysis of data taken between October 2006 and July 2007 sets an upper limit on the weakly interacting massive particle (WIMP) nucleon spin-independent cross section of $6.6\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}44}\text{ }\text{ }{\mathrm{cm}}^{2}$ ($4.6\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}44}\text{ }\text{ }{\mathrm{cm}}^{2}$ when combined with previous CDMS II data) at the 90% confidence level for a WIMP mass of $60\text{ }\text{ }\mathrm{GeV}/{c}^{2}$. This achieves the best sensitivity for dark matter WIMPs with masses above $44\text{ }\text{ }\mathrm{GeV}/{c}^{2}$, and significantly restricts the parameter space for some favored supersymmetric models.

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