Calculating the two-pion decay and mixing of neutral K mesons
Norman H. Christ (for the RBC, UKQCD Collaborations)
TL;DR
This paper discusses recent progress in calculating the decay amplitudes of neutral K mesons, focusing on isospin-two and isospin-zero channels, and explores future prospects for precise computations and mass difference analysis.
Contribution
It presents the latest calculation of the isospin-two decay amplitude A_2 with physical kinematics and explores initial calculations of A_0, advancing understanding of K meson decays.
Findings
Calculation of A_2 with physical kinematics completed.
Exploratory calculations of A_0 conducted.
Discussion on prospects for precise A_0 and K_L-K_S mass difference.
Abstract
The recent calculation of the complex isospin-two decay amplitude A_2 with physical kinematics is presented together with exploratory calculations of the isospin-zero decay amplitude A_0. Prospects for accurate calculation of A_0 as well as the mass difference between the K_L and K_S mesons are discussed.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research