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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2407.18737 |
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| _version_ | 1866909269749661696 |
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| author | Kirschner, Nicholas Kierans, Carolyn Wasti, Sambid Schoenwald, Adam J. Caputo, Regina Griffin, Sean Liceaga-Indart, Iker Parker, Lucas Perkins, Jeremy S. Zajczyk, Anna |
| author_facet | Kirschner, Nicholas Kierans, Carolyn Wasti, Sambid Schoenwald, Adam J. Caputo, Regina Griffin, Sean Liceaga-Indart, Iker Parker, Lucas Perkins, Jeremy S. Zajczyk, Anna |
| contents | The ComPair balloon instrument is a prototype of the All-sky Medium Energy Gamma-ray Observatory (AMEGO) mission concept. AMEGO aims to bridge the spectral gap in sensitivity that currently exists from $\sim$100 keV to $\sim$100 MeV by being sensitive to both Compton and pair-production events. This is made possible through the use of four subsystems working together to reconstruct events: a double-sided silicon strip detector (DSSD) Tracker, a virtual Frisch grid cadmium zinc telluride (CZT) Low Energy Calorimeter, a ceasium iodide (CsI) High Energy Calorimeter, and an anti-coincidence detector (ACD) to reject charged particle backgrounds. Composed of 10 layers of DSSDs, ComPair's Tracker is designed to measure the position of photons that Compton scatter in the silicon, as well as reconstruct the tracks of electrons and positrons from pair-production as they propagate through the detector. By using these positions, as well as the absorbed energies in the Tracker and 2 Calorimeters, the energy and direction of the incident photon can be determined. This proceeding will present the development, testing, and calibration of the ComPair DSSD Tracker and early results from its balloon flight in August 2023. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_18737 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Double-Sided Silicon Strip Detector Tracker onboard the ComPair Balloon Flight Kirschner, Nicholas Kierans, Carolyn Wasti, Sambid Schoenwald, Adam J. Caputo, Regina Griffin, Sean Liceaga-Indart, Iker Parker, Lucas Perkins, Jeremy S. Zajczyk, Anna Instrumentation and Methods for Astrophysics The ComPair balloon instrument is a prototype of the All-sky Medium Energy Gamma-ray Observatory (AMEGO) mission concept. AMEGO aims to bridge the spectral gap in sensitivity that currently exists from $\sim$100 keV to $\sim$100 MeV by being sensitive to both Compton and pair-production events. This is made possible through the use of four subsystems working together to reconstruct events: a double-sided silicon strip detector (DSSD) Tracker, a virtual Frisch grid cadmium zinc telluride (CZT) Low Energy Calorimeter, a ceasium iodide (CsI) High Energy Calorimeter, and an anti-coincidence detector (ACD) to reject charged particle backgrounds. Composed of 10 layers of DSSDs, ComPair's Tracker is designed to measure the position of photons that Compton scatter in the silicon, as well as reconstruct the tracks of electrons and positrons from pair-production as they propagate through the detector. By using these positions, as well as the absorbed energies in the Tracker and 2 Calorimeters, the energy and direction of the incident photon can be determined. This proceeding will present the development, testing, and calibration of the ComPair DSSD Tracker and early results from its balloon flight in August 2023. |
| title | The Double-Sided Silicon Strip Detector Tracker onboard the ComPair Balloon Flight |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2407.18737 |