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Unravelling the richness of dark sector by FASERν.

Bakhti, Pouya and Farzan, Yasaman and Pascoli, Silvia (2020) 'Unravelling the richness of dark sector by FASERν.', Journal of high energy physics., 2020 (10). 008.


FASERν is a newly proposed experiment which will take data in run III of the LHC during 2021–2023. It will be located in front of the FASER detector, 480 m away from the ATLAS interaction point in the forward direction. Its main goal is to detect neutrinos of all flavors produced at the interaction point with superb precision in reconstructing charged tracks. This capability makes FASERν an ideal setup for uncovering the pattern and properties of a light dark sector. We demonstrate this capability for a well-motivated class of models with a dark matter candidate of mass around a few GeV. Dark matter annihilates to a pair of intermediate neutral particles that subsequently decay into the standard model charged fermions. We show how FASERν can shed light on the structure of the dark sector by unravelling the decay chain within such models.

Item Type:Article
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Publisher statement:This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Date accepted:24 August 2020
Date deposited:06 October 2020
Date of first online publication:01 October 2020
Date first made open access:06 October 2020

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