Background capabilities of pixel detectors for double beta decay measurements

Abstract

We discuss the possible use of a progressive detection technique based on pixel detectors for the study of double beta decay (ββ) processes. A series of background measurements in various environments (surface laboratory, underground laboratory, with and without Pb shielding) was performed using the TimePix silicon hybrid pixel device. The pixel detector response to the natural background and intrinsic background properties measured by a low-background HPGe detector are presented.