Vacuum muon decay and interaction with laser pulses
arXiv:2507.16891 · doi:10.1103/823w-2g4b
Abstract
Muons decay in vacuum mainly via the leptonic channel to an electron, a muon neutrino and an electron antineutrino. Previous investigations have concluded that muon decay can only be significantly altered in a strong electromagnetic field when the muonic strong-field parameter is of order unity, which is far beyond the reach of lab-based experiments at current and planned facilities. In this letter, an alternative mechanism is presented in which a laser pulse affects the vacuum decay rate of a muon outside the pulse. Quantum interference between the muon decaying with or without interacting with the pulse generates fringes in the electron momentum spectra and can increase the muon lifetime by up to a factor 2. The required parameters to observe this effect are available in experiments today.
13 pages, 8 figures
References in corpus (19)
- Extremely high-intensity laser interactions with fundamental quantum systems
- Advances in QED with intense background fields
- Charged particle motion and radiation in strong electromagnetic fields
- Quantum radiation reaction effects in multiphoton Compton scattering
- Implementing nonlinear Compton scattering beyond the local constant field approximation
- Finite size effects in stimulated laser pair production
- Interference Effects in Schwinger Vacuum Pair Production for Time-Dependent Laser Pulses
- An extended locally constant field approximation for nonlinear Compton scattering
- A matterless double slit
- Ramsey Fringes and Time-domain Multiple-Slit Interference from Vacuum
- Spin and polarisation dependent LCFA rates for nonlinear Compton and Breit-Wheeler processes
- The locally monochromatic approximation to QED in intense laser fields
- Relativistic electron spin dynamics in a strong unipolar laser field
- Dimuon production by laser-wakefield accelerated electrons
- Coherent quantum enhancement of pair production in the null domain
- Toward the observation of interference effects in nonlinear Compton scattering
- Muon decay in a laser field
- First Proof of Principle Experiment for Muon Production with Ultrashort High Intensity Laser
- Muon decay in a linearly polarized laser field