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Intense ү-Ray bursts following the interaction of laser pulse with steep density gradients
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Chintalwad, S., Krishnamurthy, S., Morris, S. and Ramakrishna, B. (2022) Intense ү-Ray bursts following the interaction of laser pulse with steep density gradients. Laser and Particle Beams, 2022 . doi:10.1155/2022/3586372 ISSN 0263-0346.
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WRAP-intense-ү-Ray-bursts-following-interaction-laser-pulse-steep-density-gradients-Morris-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (1303Kb) | Preview |
Official URL: http://dx.doi.org/10.1155/2022/3586372
Abstract
We investigate the production of intense ү-rays following the interaction of ultraintense laser pulse with a hybrid combination of under-dense plasma associated with a thin foil of fully ionized Al or Cu or Au at the rear side. Relativistic electrons are accelerated following the interaction of high intensity laser pulses with an under-dense plasma. These electrons are then stopped by the thin foils attached to the rear side of the under-dense plasma. This results in the production of intense-ray bursts. So, the enhancement of photon generation is due to the under-dense plasma electrons interacting with different over-dense plasma. Using open-source PIC code EPOCH, we study the effect of different electron densities in the under-plasma on photon emission. Photon emission enhancement is observed by increasing the target Z in the hybrid structure. Hybrid structure can enhance photon emission; it can increase the photon energy and yield and improve photon beam divergence. Simulations were also performed to find the optimal under-dense plasma density for ү-ray production.
| Item Type: | Journal Article | |||||||||||||||||||||
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| Subjects: | Q Science > QC Physics | |||||||||||||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Gamma ray bursts, Lasers in plasma research, Lasers, Laser plasmas | |||||||||||||||||||||
| Journal or Publication Title: | Laser and Particle Beams | |||||||||||||||||||||
| Publisher: | Cambridge University Press | |||||||||||||||||||||
| ISSN: | 0263-0346 | |||||||||||||||||||||
| Official Date: | 18 June 2022 | |||||||||||||||||||||
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| Volume: | 2022 | |||||||||||||||||||||
| DOI: | 10.1155/2022/3586372 | |||||||||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||||||||
| Publication Status: | Published | |||||||||||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||||||||
| Date of first compliant deposit: | 8 September 2022 | |||||||||||||||||||||
| Date of first compliant Open Access: | 9 September 2022 | |||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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