New paradigm for precision top physics: Weighing the top with energy correlators

Jack Holguin; Ian Moult; Aditya Pathak; Massimiliano Procura

doi:10.48550/arXiv.2201.08393

New paradigm for precision top physics: Weighing the top with energy correlators

Jack Holguin, Ian Moult, Aditya Pathak, Massimiliano Procura

Particle Physics

Publications: Contribution to journal › Article › Peer Reviewed

Abstract

Final states in collider experiments are characterized by correlation functions, (E(n→1)⋯E(n→k)), of the energy flow operator E(n→i). We show that the top quark imprints itself as a peak in the three-point correlator at an angle ζ∼mt2/pT2, with mt the top quark mass and pT its transverse momentum, providing access to one of the most important parameters of the Standard Model in one of the simplest field theoretical observables. Our analysis provides the first step toward a new paradigm for a precise top-mass determination that is, for the first time, highly insensitive to soft physics and underlying event contamination whilst remaining directly calculable from the Standard Model Lagrangian.

Original language	English
Article number	114002
Number of pages	14
Journal	Physical Review D
Volume	107
Issue number	11
DOIs	https://doi.org/10.48550/arXiv.2201.08393 https://doi.org/10.1103/PhysRevD.107.114002
Publication status	Published - 1 Jun 2023

Funding

We are particularly grateful to G. Salam for insightful questions that led us to (hopefully) significantly improve our presentation. We also thank B. Nachman, M. Schwartz, I. Stewart and W. Waalewijn for feedback on the manuscript. We thank H. Chen, P. Komiske, K. Lee, Y. Li, F. Ringer, J. Thaler, A. Venkata, X. Y. Zhang and H. X. Zhu for many useful discussions and collaborations on related topics that significantly influenced the philosophy of this work. A. P. is grateful to M. Vos, M. LeBlanc, J. Roloff and J. Aparisi-Pozo for many helpful discussions about subtleties of the top mass extraction at the LHC. This work is supported in part by the GLUODYNAMICS project funded by the “P2IO LabEx (ANR-10-LABX-0038)” in the framework “Investissements d’Avenir” (ANR-11-IDEX-0003-01) managed by the Agence Nationale de la Recherche (ANR), France. I. M. is supported by startup funds from Yale University. A. P. is a member of the Lancaster-Manchester-Sheffield Consortium for Fundamental Physics, which is supported by the UK Science and Technology Facilities Council (STFC) under Grant No. ST/T001038/1.

Austrian Fields of Science 2012

103024 Quantum field theory
103034 Particle physics

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New paradigm for precision top physics: Weighing the top with energy correlators

Abstract

Funding

Austrian Fields of Science 2012

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