Searching for metastable particles using graph computing

Kotwal, Ashutosh V.

doi:10.1038/s41598-021-97848-6

Title: Searching for metastable particles using graph computing

Journal Article · 17 September 2021 · Scientific Reports

DOI: https://doi.org/10.1038/s41598-021-97848-6 · OSTI ID:1851269

Kotwal, Ashutosh V. ^[1]

Duke Univ., Durham, NC (United States). Dept. of Physics; Duke Univ., Durham, NC (United States)

The reconstruction of charged particle trajectories at the Large Hadron Collider and future colliders relies on energy depositions in sensors placed at distances ranging from a centimeter to a meter from the colliding beams. We propose a method of detecting charged particles that decay invisibly after traversing a short distance of about 25 cm inside the experimental apparatus. One of the decay products may constitute the dark matter known to be 84% of all matter at galactic and cosmological distance scales. Our method uses graph computing to cluster spacepoints recorded by two-dimensional silicon pixel sensors into mathematically-defined patterns. The algorithm may be implemented on silicon-based integrated circuits using field-programmable gate array technology to augment or replace traditional computing platforms.

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Research Organization:: Duke Univ., Durham, NC (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: SC0010007

OSTI ID:: 1851269

Journal Information:: Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 11; ISSN 2045-2322

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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