Calculating the two-pion decay and mixing of neutral K mesons

2013/01/17 by Norman H. Christ, Christ, Norman H.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.1301.4239

openalex publication_date 2013/01/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The recent calculation of the complex isospin-two decay amplitude A₂ with physical kinematics is presented together with exploratory calculations of the isospin-zero decay amplitude A₀. Prospects for accurate calculation of A₀ as well as the mass difference between the K_L and K_S mesons are discussed.

Related

• Determination of the A₂ amplitude of K → ππ decays
• Twopion decays of K mesons, K_L-K_S mass difference and the Dalitz decays of K_L
• Weak matrix elements and K-meson physics
• Progress Towards an ab initio, Standard Model Calculation of Direct CP-Violation in K-decays
• B decays into pion-pion-kaon and into kaon-antikaon-kaon: long distance and final-state effects