The C-4 Dark Matter Experiment

R. M. Bonicalzi,J. I. Collar,J. Colaresi,J. E. Fast,N. E. Fields,E. S. Fuller,M. Hai,T. W. Hossbach,M. S. Kos,J. L. Orrell,C. T. Overman,D. J. Reid,B. A. VanDevender,C. Wiseman,K. M. Yocum

Nuclear instruments and methods in physics research Section A, Accelerators, spectrometers, detectors and associated equipment/Nuclear instruments & methods in physics research Section A, Accelerators, spectrometers, detectors and associated equipment（2013）

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Abstract

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 contact germanium diode presently taking data at the Soudan Underground Laboratory. Expected reductions of radioactive backgrounds and energy threshold are discussed, including an estimate of the additional sensitivity to low-mass dark matter candidates to be obtained with this search.

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Key words

Dark matter experiment,Direct detection,Low-mass dark matter,CoGeNT,Low threshold germanium ionization spectrometer

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