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  • Received: Jan. 10, 2020

    Accepted: Apr. 1, 2020

    Posted: Jun. 10, 2020

    Published Online: Jun. 10, 2020

    The Author Email: Fabrizio Bisesto (fabrizio.giuseppe.bisesto@lnf.infn.it)

    DOI: 10.1017/hpl.2020.19

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    Fabrizio Bisesto, Mario Galletti, Maria Pia Anania, Gemma Costa, Massimo Ferrario, Riccardo Pompili, Arie Zigler, Fabrizio Consoli, Mattia Cipriani, Martina Salvadori, Claudio Verona. Simultaneous observation of ultrafast electron and proton beams in TNSA[J]. High Power Laser Science and Engineering, 2020, 8(2): 02000e23

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High Power Laser Science and Engineering, Vol. 8, Issue 2, 02000e23 (2020)

Simultaneous observation of ultrafast electron and proton beams in TNSA

Fabrizio Bisesto1,†, Mario Galletti2,3, Maria Pia Anania1, Gemma Costa1, Massimo Ferrario1, Riccardo Pompili1, Arie Zigler1,4, Fabrizio Consoli5, Mattia Cipriani5, Martina Salvadori5,6,7, and Claudio Verona8

Author Affiliations

  • 1INFN-LNF, Via Enrico Fermi 54, 00044Frascati, Italy
  • 2Central Laser Facility, Science and Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, DidcotOX11 0QX, England
  • 3GoLP Instituto de Plasmas e Fusão Nuclear, Instituto Superior Tecnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001Lisbon, Portugal
  • 4Racah Institute of Physics, Hebrew University, 91904Jerusalem, Israel
  • 5ENEA Fusion and Technologies for Nuclear Safety and Security Department, C.R. Frascati, Via E. Fermi 45, 00044Frascati, Italy
  • 6Universita’ di Roma La Sapienza, Piazzale Aldo Moro 5, 00185Roma, Italy
  • 7INRS-EMT, Varennes, Québec, Canada
  • 8University of Rome “Tor Vergata”, Industrial Engineering Department, Via Cracovia 50, 00133Roma, Italy

Abstract

The interaction of ultra-intense high-power lasers with solid-state targets has been largely studied for the past 20 years as a future compact proton and ion source. Indeed, the huge potential established on the target surface by the escaping electrons provides accelerating gradients of TV/m. This process, called target normal sheath acceleration, involves a large number of phenomena and is very difficult to study because of the picosecond scale dynamics. At the SPARC_LAB Test Facility, the high-power laser FLAME is employed in experiments with solid targets, aiming to study possible correlations between ballistic fast electrons and accelerated protons. In detail, we have installed in the interaction chamber two different diagnostics, each one devoted to characterizing one beam. The first relies on electro-optic sampling, and it has been adopted to completely characterize the ultrafast electron components. On the other hand, a time-of-flight detector, based on chemical-vapour-deposited diamond, has allowed us to retrieve the proton energy spectrum. In this work, we report preliminary studies about simultaneous temporal resolved measurements of both the first forerunner escaping electrons and the accelerated protons for different laser parameters.

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