Reconstructing toponium using recursive jigsaw reconstruction

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hdl_149822.pdf (1.93 MB)
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2026

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Desai, A.
Lovison, A.
Jackson, P.

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Journal of Subatomic Particles and Cosmology, 2026; 5:100352-1-100352-4

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Aman Desai, Amelia Lovison, Paul Jackson

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Abstract

The results from the ATLAS and CMS experiment at the Large Hadron Collider indicate the existence of a topquark pair bound state near the 𝑡̄𝑡 threshold region. We present a method relying on Recursive Jigsaw Reconstruction to reconstruct the toponium bound state at the 𝑡̄𝑡 threshold region. We propose incorporating two variables in the analysis that can improve sensitivity to the toponium signal. Our results indicate that this method may be useful to gain additional insights into the physics phenomenology of the 𝑡̄𝑡 threshold region.

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© 2026 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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