The effect of the electron's spin magnetic moment on quantum radiation in strong electromagnetic fields

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F10974938%3A_____%2F25%3A25_86_13" target="_blank" >RIV/10974938:_____/25:25_86_13 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1088/1367-2630/ade46b" target="_blank" >https://doi.org/10.1088/1367-2630/ade46b</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1367-2630/ade46b" target="_blank" >10.1088/1367-2630/ade46b</a>

Result language
angličtina
Original language name
The effect of the electron's spin magnetic moment on quantum radiation in strong electromagnetic fields
Original language description
Ultra-intense laser pulses can create sufficiently strong fields to probe quantum electrodynamics effects in a novel regime. By colliding a 60 GeV electron bunch with a laser pulse focussed to the maximum achievable intensity of 10(23) W cm(-2), we can reach fields much stronger than the critical Schwinger field in the electron rest frame. When the ratio of these fields chi(e)>> 1 we find that the hard ( >25 GeV) radiation from the electron has a substantial contribution from spin-light. 33% more photons are produced above this energy due to spin-light, the radiation resulting from the acceleration of the electron's intrinsic magnetic moment. This increase in high-energy photons results in 14% more positrons produced with energy above 25 GeV. Furthermore, the enhanced photon production due to spin-light results in a 46% increase in the electron recoil radiation reaction. These observable signatures provide a potential route to observing spin-light in the strongly quantum regime ( chi(e)>> 1) for the first time.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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