Publication

BETA readout electronics for the MiniFIT

2026

Abstract

The scintillating Fiber Tracker (FIT) is a tracking detector for space applications, composed of mats of plastic scintillator fibers and read out by custom silicon photomultiplier (SiPM) arrays. FIT can reconstruct the charge and direction of ionizing particles and enhance the angular resolution of gamma-ray detectors in the MeV to GeV regime. A custom, low-power (5 for single photoelectrons enables charge measurement from Hydrogen to Iron. After characterization of the 16-channel prototype, the 64-channel BETA64 has been completed, characterized, and integrated into a FIT prototype, enabling the measurement of ion tracks. This contribution presents the preliminary results of the BETA64 characterization and the FIT performance in terms of spatial resolution, particle identification, and trigger efficiency.

Official source

https://infoscience.epfl.ch/entities/publication/1d1040d2-e492-4bc9-a04e-ac766e202336

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1d1040d2-e492-4bc9-a04e-ac766e202336

About this result

Related concepts (32)

Particle detector

In experimental and applied particle physics, nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a device used to detect, track, and/or identify ionizing particles, such as those produced by nuclear decay, cosmic radiation, or reactions in a particle accelerator. Detectors can measure the particle energy and other attributes such as momentum, spin, charge, particle type, in addition to merely registering the presence of the particle.

Spatial resolution

In physics and geosciences, the term spatial resolution refers to distance between independent measurements, or the physical dimension that represents a pixel of the image. While in some instruments, like cameras and telescopes, spatial resolution is directly connected to angular resolution, other instruments, like synthetic aperture radar or a network of weather stations, produce data whose spatial sampling layout is more related to the Earth's surface, such as in remote sensing and .

Image resolution

Image resolution is the level of detail an holds. The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch), to the overall size of a picture (lines per picture height, also known simply as lines, TV lines, or TVL), or to angular subtense.

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BETA readout electronics for the MiniFIT

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