Spectra of Particles from Laser-Induced Vacuum Decay

TL;DR

This paper investigates the spectrum of electrons and positrons produced by vacuum decay in laser pulse collisions, revealing high-energy, collimated particle bunches that serve as signatures of vacuum decay and potential sources for high-energy beams.

Contribution

It provides the first detailed spectrum analysis of particles from vacuum decay in non-colinear laser collisions, highlighting distinctive high-energy, collimated bunches as observable signatures.

Findings

High-energy, collimated electron and positron bunches observed

Signature of vacuum decay identified in particle spectra

Potential for new high-energy particle beam development

Abstract

The spectrum of electrons and positrons originating from vacuum decay occurring in the collision of two non-colinear laser pulses is obtained. It displays high energy, highly-collimated particle bunches traveling in a direction separate from the laser beams. This result provides an unmistakable signature of the vacuum decay phenomenon and could suggest a new avenue for development of high energy electron and/or positron beams.