14 research outputs found
An collider based on proton-driven plasma wakefield acceleration
Recent simulations have shown that a high-energy proton bunch can excite
strong plasma wakefields and accelerate a bunch of electrons to the energy
frontier in a single stage of acceleration. This scheme could lead to a future
collider using the LHC for the proton beam and a compact electron
accelerator of length 170 m, producing electrons of energy up to 100 GeV. The
parameters of such a collider are discussed as well as conceptual layouts
within the CERN accelerator complex. The physics of plasma wakefield
acceleration will also be introduced, with the AWAKE experiment, a proof of
principle demonstration of proton-driven plasma wakefield acceleration, briefly
reviewed, as well as the physics possibilities of such an collider.Comment: 6 pages, 2 figures, to appear in the proceedings of the DIS 2014
Workshop, 28 April - 2 May, Warsaw, Polan
Collider design issues based on proton-driven plasma wakefield acceleration
Recent simulations have shown that a high-energy proton bunch can excite
strong plasma wakefields and accelerate a bunch of electrons to the energy
frontier in a single stage of acceleration. It therefore paves the way towards
a compact future collider design using the proton beams from existing
high-energy proton machines, e.g. Tevatron or the LHC. This paper addresses
some key issues in designing a compact electron-positron linear collider and an
electron-proton collider based on existing CERN accelerator infrastructure
A plasma wakefield acceleration experiment using CLARA beam
We propose a Plasma Accelerator Research Station (PARS) based at proposed FEL
test facility CLARA (Compact Linear Accelerator for Research and Applications)
at Daresbury Laboratory. The idea is to use the relativistic electron beam from
CLARA, to investigate some key issues in electron beam transport and in
electron beam driven plasma wakefield acceleration, e.g. high gradient plasma
wakefield excitation driven by a relativistic electron bunch, two bunch
experiment for CLARA beam energy doubling, high transformer ratio, long bunch
self-modulation and some other advanced beam dynamics issues. This paper
presents the feasibility studies of electron beam transport to meet the
requirements for beam driven wakefield acceleration and presents the plasma
wakefield simulation results based on CLARA beam parameters. Other possible
experiments which can be conducted at the PARS beam line are also discussed
Numerical investigations into fiber laser based dielectric reverse dual-grating accelerator
AbstractDielectric laser accelerators (DLAs) have great potential for applications, since they can generate acceleration gradients in the range of GeV/m and produce attosecond electron bunches. We described a novel reverse dual-grating dielectric accelerator structure made up of Silicon which is expected to improve beam confinement, and make fabrication easier. Numerical simulation results show that this structure effectively manipulates the laser field and generates a standing wave in the vacuum channel with a phase velocity synchronized to relativistic particles travelling through the structure. Optimum pillar height and channel width have been determined. All required laser parameters and initial particle energy have been analytically estimated and a suitable laser as an energy source is proposed. Finally, the effect of fabrication error on the acceleration gradient is discussed