Effects of angular spread in nonlinear Compton scattering

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2FCZ______%3A_____%2F23%3AN0000048" target="_blank" >RIV/CZ______:_____/23:N0000048 - isvavai.cz</a>

Výsledek na webu

<a href="https://journals.aps.org/prd/abstract/10.1103/PhysRevD.108.056025" target="_blank" >https://journals.aps.org/prd/abstract/10.1103/PhysRevD.108.056025</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevD.108.056025" target="_blank" >10.1103/PhysRevD.108.056025</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effects of angular spread in nonlinear Compton scattering

Popis výsledku v původním jazyce

We investigate the effects of the momentum spread of photon around incoming electrons during nonlinear Compton scattering of an elliptically polarized laser off an ultrarelativistic electron beam. It has been assumed to be a good approximation to neglect the angular spread in the strong-field QED codes considering its smallness in relativistic regime. Here, we scrutinize the validity of this approximation in the nonlinear Compton scattering. For our purpose, we improved the fully electron spin-and photon polarization-resolved Monte Carlo simulation method by employing the angle-resolved probability for high-energy photon emission in ultrastrong laser fields. The quantum operator method introduced by Baier and Katkov is employed for calculation of the probability within the quasiclassical approach and the local constant field approximation. Our simulation shows that the angular spread at emission has notable effects on angular distribution and polarization of outgoing particles. The width of angular distributions for electrons and emitted photons are increased. Meanwhile, the electrons polarization is reduced due to the correction of radiation reaction force, while the average polarization of photons is insensitive to the angular spread at emissions.

Název v anglickém jazyce

Effects of angular spread in nonlinear Compton scattering

Popis výsledku anglicky

We investigate the effects of the momentum spread of photon around incoming electrons during nonlinear Compton scattering of an elliptically polarized laser off an ultrarelativistic electron beam. It has been assumed to be a good approximation to neglect the angular spread in the strong-field QED codes considering its smallness in relativistic regime. Here, we scrutinize the validity of this approximation in the nonlinear Compton scattering. For our purpose, we improved the fully electron spin-and photon polarization-resolved Monte Carlo simulation method by employing the angle-resolved probability for high-energy photon emission in ultrastrong laser fields. The quantum operator method introduced by Baier and Katkov is employed for calculation of the probability within the quasiclassical approach and the local constant field approximation. Our simulation shows that the angular spread at emission has notable effects on angular distribution and polarization of outgoing particles. The width of angular distributions for electrons and emitted photons are increased. Meanwhile, the electrons polarization is reduced due to the correction of radiation reaction force, while the average polarization of photons is insensitive to the angular spread at emissions.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

<a href="/cs/project/EF16_019%2F0000789" target="_blank" >EF16_019/0000789: Pokročilý výzkum s využitím fotonů a částic vytvořených vysoce intenzivními lasery</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review D

ISSN

2470-0010

e-ISSN

2470-0029

Svazek periodika

108

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

14

Strana od-do

56025 (1-14)

Kód UT WoS článku

001112825600005

EID výsledku v databázi Scopus

2-s2.0-85175063091