A general approach to quantum integration of cross sections in high-energy physics
arXiv:2502.14647 · doi:10.1088/2058-9565/adf771
Abstract
We present universal building blocks for the quantum integration of generic cross sections in high-energy physics. We make use of Fourier quantum Monte Carlo integration (MCI) as implemented in Quantinuum's quantum MCI engine to provide an extendable methodology for generating efficient circuits that can implement generic cross-section calculations, providing a quadratic speed-up in root mean-squared error convergence with respect to classical MCI. We focus on a concrete example of a decay process to illustrate our work.
arXiv comment35 pages, 12 figures
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