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MP: Fachverband Theoretische und Mathematische Grundlagen der Physik

MP 3: Particle Physics and AdS/CFT

MP 3.1: Vortrag

Dienstag, 1. April 2025, 16:15–16:35, ZHG001

An Effective Hadronic Field Theory for B-Meson Decays at Large Recoil — •Jack Jenkins, Thorsten Feldmann, and Jaime del Palacio Lirola — University of Siegen

We construct an effective hadron Lagrangian for heavy-meson decays into light energetic particles. In this theory the dynamical degrees of freedom are given by quasi-static heavy meson fields coupled to soft and collinear pions, kaons and eta mesons. We give a few examples of how weak-decay operators in soft-collinear effective theory can be represented in the effective hadronic Lagrangian, and discuss potential phenomenological applications.

Keywords: Particle Physics; Flavor Physics; Semileptonic Decays; CKM matrix; Effective Field Theory