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  1. pubs.aip.org

    In this work we propose a novel positron driven plasma wakefield acceleration configuration in the non linear regime using tightly focused positron drive beams ... Lígia D. Amorim, Jorge Vieira, Ricardo A. Fonseca, Luís O. Silva; Positron plasma wakefield acceleration in a self-driven hollow channel. AIP Conf. Proc. 28 October 2016; 1777 (1 ...
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  3. The E z field due to an ultrarelativistic positron beam driving a wake in a hollow channel plasma, as simulated by QuickPIC 34,35.The beam propagates to the left and the 1σ contour of the beam is ...
    Author:Spencer Gessner, Erik Adli, James M. Allen, Weiming An, Christine I. Clarke, Chris E. Clayton, Sebas...Published:2016
  4. repositorio.iscte-iul.pt

    Positron Plasma Wakefield Acceleration in a Self-Driven Hollow Channel Lígia D. Amorim1, a), Jorge Vieira1, b), Ricardo A. Fonseca1,2, c) and Luís O. Silva1, d) 1GoLP/Instituto de Plasmas e Fusão Nuclear -Laboratório Associado, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal. 2Departamento Ciências e Tecnologias da Informação, ISCTE - Instituto ...
  5. link.aps.org

    Mar 5, 2024Plasma acceleration has emerged as a promising technology for future particle accelerators, particularly linear colliders. Significant progress has been made in recent decades toward high-efficiency and high-quality acceleration of electrons in plasmas. However, this progress does not generalize to the acceleration of positrons, as plasmas are inherently charge asymmetric. Here, we present a ...
  6. indico.cern.ch

    Positron Acceleration in a Hollow Channel Plasma Wakefield Accelerator Shiyu Zhou Tsinghua University ... J.M. Dawson et al., PRL (1983) PWFA Plasma based wakefield acceleration Gradient 1-100GeV/m Ian Blumenfeld et al., Nature 445 (2007) M. Litos et al., Nature 515 (2014) Over 42GeV acceleration in an ... Self-loaded wakefield Hollow laser or ...
  7. link.aps.org

    Plasma wakefield acceleration (PWFA) has demonstrated the ability to produce very high gradients to accelerate electrons and positrons. In PWFA, a drive bunch of charged particles passes through a uniform plasma, thereby generating a wakefield that accelerates a witness bunch traveling behind the drive bunch. This process works well for electrons, but much less so for positrons due to the ...
  8. link.aps.org

    A scheme for positron plasma wakefield acceleration using hollow or donut-shaped electron driver beams is studied. An annular-shaped, electron-free region forms around the hollow driver beam, creating a favorable region (longitudinal field is accelerating and transverse field is focusing) for positron acceleration. For Facility for Advanced Accelerator Experimental Tests (FACET)-like ...
  9. journals.aps.org

    cate that the acceleration gradient created by a positron drive bunch can be increased by using a hollow plasma channel rather than a homogeneous, uniform plasma [6]. The hollow channel diameter is chosen so that the plasma electrons rush together as a group towards the beam axis, thereby leading to a wake configuration more similar to
  10. accelconf.web.cern.ch

    observe the acceleration of a positron bunch with energies up to 33.4MeV in a 25cm long channel, indicating an ef-fective gradient greater than 100MeV/m. This is the rst demonstration of a technique that way be used for staged acceleration of positron beams in plasma. INTRODUCTION Hollow channel plasmas have been theorized as a solu-
  11. researchgate.net

    In this work we propose a novel positron driven plasma wakefield acceleration configuration in the non linear regime using tightly focused positron drive beams to create a hollow plasma channel ...

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