Browsing by Author "Cannady, N. W."
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Item Gamma-ray Scintillator Fiber Tracker(American Physical Society) Cannady, N. W.; Caputo, R.; Venere, L. Di; Fusco, P.; Gargano, F.; Giglietto, N.; Giordano, F.; Hartmann, D. H.; Kierans, C.; Longo, F.; Loparco, F.; Rando, R.We plan to develop and implement a novel ultralight tracker based on scintillating fibers with a spatial resolution below 100 μm, also able to perform precise timing and charge measurements. The fibers will be arranged in a 3D geometry, read-out by silicon photomultiplier (SiPM) arrays and equipped with a dedicated integrated fast front-end electronics followed by a pre-processing circuit. Although in the past the technology of scintillating fibers has been already used in high-energy physics, we plan to exploit its potential as a possible high-performance alternative to the classical technology of silicon strip detectors (SSDs), which is widely used in the current generation of space-borne experiments. Scintillating fibers allow a cost-effective instrumentation of large detector areas without the need of complex and potentially failure-prone wire bonding procedures required when using SSDs. In addition, a fiber-based tracking system can easily guarantee the implementation of several geometries, even different from simple planar layouts, that can be very useful in very specific applications. This tracker configuration could be implemented in future space-borne experiments aimed at the detection of sub-GeV gamma rays. Gamma-ray detection in this energy range is indeed very challenging, as photons interact with matter mainly through Compton scattering. This proposal aims to develop a detector based on scintillating fibers that will be able to detect photons via Compton scattering or pair production.