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High Field Suppression of Bremsstrahlung Emission in High-Intensity Laser-Plasma Interactions

Habibi, Mahdi; Arefiev, Alexey; Toncian, Toma

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  "publisher": "Rodare", 
  "author": [
      "family": "Habibi, Mahdi"
      "family": "Arefiev, Alexey"
      "family": "Toncian, Toma"
  "abstract": "<p>The interaction of high-intensity lasers with plasma is predicted to produce extreme quasi-static magnetic fields with magnitudes approach- ing Megatesla levels. In relativistically transparent plasmas, these fields can enhance direct laser acceleration and allow efficient gamma-ray emission by accelerated electrons. However, due to the so-called magnetic suppression effect, the magnetic field can also affect radiating elec- tron trajectories and, thus, reduce the emission probability of the bremsstrahlung. This is the first study to examine the bremsstrahlung sup- pression mechanism in the context of high-intensity laser&ndash;plasma interactions. Our paper describes a new module that integrates the suppression effect into the standard bremsstrahlung module of the EPOCH particle-in-cell code by considering the impact of magnetic fields and extending the analysis to electric fields. We also investigate this suppressing mechanism&rsquo;s effect on the emitting electron&rsquo;s dynamics. Our findings show that this mechanism not only suppresses low-energy emissions but also has an impact on the dynamics of the radiating electrons.</p>", 
  "title": "High Field Suppression of Bremsstrahlung Emission in High-Intensity Laser-Plasma Interactions", 
  "type": "dataset", 
  "id": "2533", 
  "DOI": "10.14278/rodare.2533", 
  "language": "eng", 
  "issued": {
    "date-parts": [
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