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Effect of the high-level trigger for detecting long-lived particles at LHCb

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Effect of the high-level trigger for detecting long-lived particles at LHCb

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dc.contributor.author	Calefice, Lukas
dc.contributor.author	Hennequin, Arthur
dc.contributor.author	Henry, Louis
dc.contributor.author	Jashal, Brij
dc.contributor.author	Mendoza, Diego
dc.contributor.author	Oyanguren Campos, Arantza
dc.contributor.author	Sanderswood, I. G.
dc.contributor.author	Vázquez Sierra, Carlos
dc.contributor.author	Zhuo, Jiahui
dc.date.accessioned	2023-06-05T13:35:14Z
dc.date.available	2023-06-05T13:35:14Z
dc.date.issued	2022
dc.identifier.citation	Calefice, Lukas Hennequin, Arthur Henry, Louis Jashal, Brij Mendoza, Diego Oyanguren Campos, Arantza Sanderswood, I. G. Vázquez Sierra, Carlos Zhuo, Jiahui 2022 Effect of the high-level trigger for detecting long-lived particles at LHCb Frontiers 5 1 13
dc.identifier.uri	https://hdl.handle.net/10550/87762
dc.description.abstract	Long-lived particles (LLPs) show up in many extensions of the Standard Model, but they are challenging to search for with current detectors, due to their very displaced vertices. This study evaluated the ability of the trigger algorithms used in the Large Hadron Collider beauty (LHCb) experiment to detect long-lived particles and attempted to adapt them to enhance the sensitivity of this experiment to undiscovered long-lived particles. A model with a Higgs portal to a dark sector is tested, and the sensitivity reach is discussed. In the LHCb tracking system, the farthest tracking station from the collision point is the scintillating fiber tracker, the SciFi detector. One of the challenges in the track reconstruction is to deal with the large amount of and combinatorics of hits in the LHCb detector. A dedicated algorithm has been developed to cope with the large data output. When fully implemented, this algorithm would greatly increase the available statistics for any long-lived particle search in the forward region and would additionally improve the sensitivity of analyses dealing with Standard Model particles of large lifetime, such as K0S or Λ0 hadrons.
dc.language.iso	eng
dc.relation.ispartof	Frontiers, 2022, vol. 5, p. 1-13
dc.subject	Física
dc.title	Effect of the high-level trigger for detecting long-lived particles at LHCb
dc.type	journal article
dc.date.updated	2023-06-05T13:35:14Z
dc.identifier.doi	10.3389/fdata.2022.1008737
dc.identifier.idgrec	160258
dc.rights.accessRights	open access