Three-particle Lellouch-Lüscher formalism in moving frames
Fabian Müller, Jin-Yi Pang, Akaki Rusetsky, Jia-Jun Wu
Abstract
A bstract A manifestly relativistic-invariant Lellouch-Lüscher formalism for the decays into three identical particles with no two-to-three transitions is proposed. Similarly to [1], the formalism is based on the use of the non-relativistic effective Lagrangians. Manifest Lorentz invariance is guaranteed, as in [2], by choosing the quantization axis along the total four-momentum of the three-particle system. A systematic inclusion of the higher-order derivative couplings, as well as higher partial waves is addressed.
Topics & Concepts
PhysicsFormalism (music)Mathematical physicsRelativistic particleLorentz covarianceQuantization (signal processing)Lorentz transformationClassical mechanicsHamiltonian formalismLagrangianInvariant (physics)Quantum electrodynamicsTheoretical physicsQuantum mechanicsElectronCovariant transformationComputer scienceArtMusicalVisual artsComputer visionQuantum Mechanics and ApplicationsQuantum Chromodynamics and Particle InteractionsParticle physics theoretical and experimental studies