Intense ү-Ray Bursts following the Interaction of Laser Pulse with Steep Density Gradients

Chintalwad, S. and Krishnamurthy, S. and Morris, S. and Ramakrishna, Bhuvanesh and et al, . (2022) Intense ү-Ray Bursts following the Interaction of Laser Pulse with Steep Density Gradients. Laser and Particle Beams, 2022. pp. 1-8. ISSN 0263-0346

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Abstract

We investigate the production of intense -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 -ray production. © 2022 S. Chintalwad et al.

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IITH Creators:

IITH Creators	ORCiD
Ramakrishna, Bhuvanesh	UNSPECIFIED

Item Type:

Article

Uncontrolled Keywords:

Dense plasma; High intensity laser pulse; Hybrid structure; Interaction of laser pulse; Photon emissions; Rear side; Relativistic electron; Steep density gradients; Thin foil; Ultraintense laser pulse

Subjects:

Physics

Divisions:

Department of Physics

Depositing User:

. LibTrainee 2021

Date Deposited:

14 Oct 2022 05:53

Last Modified:

14 Oct 2022 05:53

URI:

http://raiithold.iith.ac.in/id/eprint/10938