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  • Letter
  • Open Access

Kinematically enhanced interpolating operators for boosted hadrons

Rui Zhang1,*, Anthony V. Grebe2, Daniel C. Hackett2, Michael L. Wagman2, and Yong Zhao1

  • *Contact author: zhangrui9308@gmail.com
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Phys. Rev. D 112, L051502 – Published 24 September, 2025

DOI: https://doi.org/10.1103/6dh4-6k4t

Abstract

We propose to use interpolating operators for lattice quantum chromodynamics calculations of highly boosted pions and nucleons with kinematically enhanced ground-state overlap factors at large momentum. Because this kinematic enhancement applies to the signal but not the variance of the correlation function, these interpolating operators can achieve better signal-to-noise ratios at large momentum. We perform proof-of-principle calculations with boosted pions and nucleons using close-to-physical and larger quark masses to explore the utility of our proposal. Results for effective energies and matrix elements, as well as Lanczos ground-state energy estimators, are consistent with theoretical expectations for signal-to-noise improvement at large momenta.

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Phys. Rev. D 112, L051502– Published 24 September, 2025
  • Received 30 January 2025
  • Accepted 20 August 2025
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