Dimuon production by laser-wakefield accelerated electrons

Abstract

We analyze ${\mu }^{+}{\mu }^{-}$ pair production generated by high-energy electrons emerging from a laser-wakefield accelerator. The ${\mu }^{+}{\mu }^{-}$ pairs are created in a solid thick high-$Z$ target, following the electron accelerating plasma region. Numerical estimates are presented for electron beams obtained presently in the LBL TW laser experiment \cite{C2} and possible future developments. Reactions induced by the secondary bremsstrahlung photons dominate the dimuon production. According to our estimates, a 20 pC electron bunch with energy of 1 (10) GeV may create about 200 (6000) muon pairs. The produced ${\mu }^{\pm }$ can be used in studying various aspects of muon-related physics in table top installations. This may be considered as an important step towards the investigation of more complicated elementary processes induced by laser driven electrons.

14 pages, 5 figures

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• Measurement of directional muon beams generated at the Berkeley Lab Laser Accelerator
• Phenomenological model of multiphoto-production of charged pion pairs on the proton
• Prompt Acceleration of a Short-Lifetime Low-Energy Muon Beam
• Simulation studies of a high-repetition-rate electron-driven surface muon beamline at SHINE
• Experimental evidence of production of directional muons from a laser-wakefield accelerator
• Vacuum muon decay and interaction with laser pulses
• Remote sensing of tectonic induced stress across faults using high energy muon beams