Exploring vector-like B-quark pair production at CLIC in fully hadronic final states
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2026
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Yang, S.
Wang, B.
Zhu, P.
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Journal article
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European Physical Journal C, 2026; 86(3):217-1-217-10
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Shuo Yang, Baoxia Wang, Pengxuan Zhu
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We investigate the discovery potential of the 3 TeV Compact Linear Collider (CLIC) for a singlet vectorlike bottom partner B decaying via B → tW. Focusing on the fully hadronic final state B ¯B → tW tW, we reconstruct boosted top and W candidates using large-R Valencia jets, supplemented by a merging strategy for partially resolved decays. A systematic scan of the jet-radius parameter identifies R = 0.8 as the optimal choice, balancing boosted-jet containment with jet multiplicity. Using a cut-based analysis optimized for the (2t + 2W) topology and an integrated luminosity of 5 ab−1, CLIC can achieve sensitivity to mB 1.5 TeV. These results highlight CLIC’s excellent capability to probe heavy vector-like quarks in high jet multiplicity environments, extending well beyond the reach of current hadron collider searches.
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© The Author(s) 2026. This article is licensed under a Creative Commons Attribution 4.0 International License,which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecomm ons.org/licenses/by/4.0/.