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INTEGRAL Spectrometer SPI's GRB detection capabilities. GRBs detected inside SPI's FoV and with the anticoincidence system ACS

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arxiv astro-ph/0308346 v1 pith:ZKH2PXFR submitted 2003-08-20 astro-ph

classification astro-ph
keywords burstgamma-rayanticoincidenceintegralshieldableburstscapabilities
verification ladder T0 review T1 audit T2 compute T3 formal
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The spectrometer SPI, one of the two main instruments of the INTEGRAL spacecraft, offers significant gamma-ray burst detection capabilities. In its 35 deg (full width) field of view SPI is able to localise gamma-ray bursts at a mean rate of ~ 0.8/month. With its large anticoincidence shield of 512 kg of BGO crystals SPI is able to detect gamma-ray bursts quasi omni-directionally with a very high sensitivity. Burst alerts of the anticoincidence shield are distributed by the INTEGRAL Burst Alert System. In the first 8 months of the mission about 0.8/day gamma-ray burst candidates and 0.3/day gamma-ray burst positions were obtained with the anticoincidence shield by interplanetary network triangulations with other spacecrafts.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Benchmarking of Geant4 simulations for the COSI Anticoincidence System

    astro-ph.IM 2025-07 conditional novelty 6.0 of 10

    Geant4 simulations with optical physics reproduce the COSI BGO shield response within 20% in energy resolution and 10% in spatial uniformity, and generate a position-dependent correction matrix.

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