Molecular picture for X <sub>0</sub>(2900) and X <sub>1</sub>(2900) *
Jun He, Dian-Yong Chen
Abstract
Abstract Inspired by the newly observed and states at LHCb, the and interactions are studied in the quasipotential Bethe-Salpeter equation approach combined with the one-boson-exchange model. The bound and virtual states from the interactions are searched for as poles in the complex energy plane of scattering amplitude. A bound state with and a virtual state with are produced from the interaction and interaction, and can be related to the and observed at LHCb, respectively. A bound state with and a virtual state with are also predicted from the interaction, with the same value, to reproduce the , which can be searched for in future experiments.
Topics & Concepts
PhysicsBound stateState (computer science)ScatteringPlane (geometry)Atomic physicsEnergy (signal processing)Upper and lower boundsQuantum mechanicsPotential energyTheoretical physicsIntermediate stateQuantum Chromodynamics and Particle InteractionsHigh-Energy Particle Collisions ResearchParticle physics theoretical and experimental studies