VecAmpFit: vectorized amplitude-analysis fitting library
K. Chilikin
TL;DR
VecAmpFit is a newly developed vectorized library designed for multidimensional amplitude analysis in high-energy physics, enabling efficient likelihood calculations and simultaneous multi-data set fitting.
Contribution
It introduces a vectorized, efficient amplitude fitting library supporting explicit gradients and multi-data fitting for high-energy physics analyses.
Findings
Improves computational efficiency of amplitude analysis
Supports explicit gradient calculation for optimization
Enables simultaneous fitting of multiple data sets
Abstract
A new library VecAmpFit for multidimensional amplitude analyses in high-energy physics has been developed for an ongoing amplitude analysis at Belle II experiment. It includes a fitter performing likelihood calculation and explicitly-vectorized subprograms for amplitude implementation. The fitter supports explicit gradient calculation and simultaneous fitting of multiple data sets.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research