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Title: Heavy neutral leptons at beam dump experiments of future lepton colliders

Journal Article · · Journal of High Energy Physics (Online)

A new beam dump experiment that utilizes the beam of future high energy electron-positron colliders could be an excellent avenue to search for dark sector particles due to its unprecedented high energy and intensity. We consider heavy neutral leptons (HNLs) as a specific example to demonstrate the sensitivity of searches for dark sector particles at future electron-positron collider beam dump experiments. This includes the study of the reach at the International Linear Collider (ILC), the Cool Copper Collider (C3), and the Compact Linear Collider (CLIC). We comprehensively examine the HNL production and detector acceptance at these electron beam dump experiments. We show that these experiments will probe regions of HNL parameter space, not yet probed by past experiments, as well as by future approved experiments. Our study also motivates a more detailed analysis of heavy meson productions in high-energy electron-nucleon collisions in thick targets.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Arthur B. McDonald Canadian Astroparticle Physics Research Institute
Grant/Contract Number:
AC02-07CH11359; PHY-1915005; PHY-1915852; PHY-1748958; PHY-1607611
OSTI ID:
1885038
Report Number(s):
UCI-HEP-TR-2022-11; FERMILAB-PUB-22-513-V; arXiv:2206.13745; oai:inspirehep.net:2102684
Journal Information:
Journal of High Energy Physics (Online), Vol. 2023, Issue 4; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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