Precision Top Mass Measurement Using Energy Correlators
- Author(s)
- Jack Holguin, Ian Moult, Aditya Pathak, Massimiliano Procura, Robert Schöfbeck, Dennis Schwarz
- Abstract
Precision top mass measurements at hadron colliders have been notoriously difficult. The fundamental challenge in the current approaches lies in achieving simultaneously high top mass sensitivity and good theoretical control. Inspired by the use of standard candles in cosmology, we overcome this problem by showing that a single energy correlator-based observable that reflects the characteristic angular scales associated with both the W-boson and top quark can be constructed. This gives direct access to the dimensionless quantity mt/mW, from which mt can be extracted in a well-defined short-distance mass scheme as a function of the well-known mW. A Monte-Carlo-based study is performed to demonstrate the properties of our observable and the statistical feasibility of its extraction from the Run 2 and 3 and High-Luminosity LHC data sets. The resulting mt has remarkably small uncertainties from hadronization effects and is insensitive to the underlying event and parton distribution functions. Our proposed observable provides a road map for a rich program to achieve a top mass determination at the LHC with record precision.
- Organisation(s)
- Particle Physics
- External organisation(s)
- University of Manchester, Institut Polytechnique de Paris, Yale University, Deutsches Elektronen-Synchrotron DESY, Österreichische Akademie der Wissenschaften (ÖAW)
- Journal
- Proceedings of Science
- Volume
- 449
- No. of pages
- 8
- DOI
- https://doi.org/10.48550/arXiv.2311.14389
- Publication date
- 03-2024
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103012 High energy physics
- ASJC Scopus subject areas
- General
- Portal url
- https://ucris.univie.ac.at/portal/en/publications/precision-top-mass-measurement-using-energy-correlators(860a8cf0-332b-44f1-b292-63aff0f18021).html