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Impact of He+N2 concentration on self-modulated laser wakefield acceleration driven by pulses of a few TW

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Author(s):
Maldonado, Edison Puig ; Samad, Ricardo Elgul ; Zuffi, Armando Valter Felicio ; Dos Santos, Jhonatha Ricardo ; Vieira Junior, Nilson Dias
Total Authors: 5
Document type: Journal article
Source: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS; v. 40, n. 4, p. 7-pg., 2023-04-01.
Abstract

Laser wakefield electron acceleration with ionization injection has rarely been studied in the low-power, self-modulated case. We performed simulations of such regimes using a mixture of He and N-2 gases and driven by laser pulses with peak powers around 1 TW. Analyses show the generation of electron bunches with an average energy of up to 70 MeV, an energy spread as low as 18%, and an emittance as good as a fraction of ammmrad. The obtained electron beam parameters lead to several trade-offs as a function of N-2 concentration, allowing for many different designs. (c) 2023 Optica Publishing Group (AU)

FAPESP's process: 18/25961-7 - Laser particle acceleration and applications
Grantee:Nilson Dias Vieira Junior
Support Opportunities: Regular Research Grants
FAPESP's process: 17/50332-0 - Scientific, technological and infrastructure qualification in radiopharmaceuticals, radiation and entrepreneurship for health purposes (PDIp)
Grantee:Marcelo Linardi
Support Opportunities: Research Grants - State Research Institutes Modernization Program
FAPESP's process: 21/13737-8 - Acceleration of laser particles in the Scientific, Technological and Infrastructure Training program in Radiopharmaceuticals and Entrepreneurship at the Service of Health.
Grantee:Jhonatha Ricardo dos Santos
Support Opportunities: Scholarships in Brazil - Post-Doctoral