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Search for An Annual Modulation in Three Years of CoGeNT Dark Matter Detector Data
C. E. Aalseth, P. S. Barbeau, J. Colaresi +12
Weakly Interacting Massive Particles (WIMPs) are well-established dark matter candidates. WIMP interactions with sensitive detectors are expected to display a characteristic annual…
The C-4 Dark Matter Experiment
R. M. Bonicalzi, J. I. Collar, J. Colaresi +12
We describe the experimental design of C-4, an expansion of the CoGeNT dark matter search to four identical detectors each approximately three times the mass of the p-type point co…
CoGeNT: A Search for Low-Mass Dark Matter using p-type Point Contact Germanium Detectors
C. E. Aalseth, P. S. Barbeau, J. Colaresi +12
CoGeNT employs p-type point-contact (PPC) germanium detectors to search for Weakly Interacting Massive Particles (WIMPs). By virtue of its low energy threshold and ability to rejec…
A Maximum Likelihood Analysis of Low-Energy CDMS Data
J. I. Collar, N. E. Fields
An unbinned maximum likelihood analysis of CDMS low-energy data reveals a strong preference (5.7 sigma C.L.) for a model containing an exponential excess of events in the nuclear r…
Search for an Annual Modulation in a P-type Point Contact Germanium Dark Matter Detector
C. E. Aalseth, P. S. Barbeau, J. Colaresi +15
Fifteen months of cumulative CoGeNT data are examined for indications of an annual modulation, a predicted signature of Weakly Interacting Massive Particle (WIMP) interactions. Pre…
Results from a Search for Light-Mass Dark Matter with a P-type Point Contact Germanium Detector
C. E. Aalseth, P. S. Barbeau, N. S. Bowden +24
We report on several features present in the energy spectrum from an ultra low-noise germanium detector operated at 2,100 m.w.e. By implementing a new technique able to reject surf…