Plasma Wakefield Accelerator Research 2019 - 2040: A community-driven UK roadmap compiled by the Plasma Wakefield Accelerator Steering Committee (PWASC)

Hidding, B.; Hooker, Simon; Jamieson, Steven; Muratori, Bruno; Murphy, Christopher; Najmudin, Zulfikar; Pattahil, Rajeev; Sarri, Gianluca; Streeter, Matthew; Welsch, Carsten; Wing, M.; Xia, Guoxing

doi:10.48550/arxiv.1904.09205

Cited by 5 publications

(6 citation statements)

References 1 publication

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“…The paramount importance of emittance and brightness for both thrusts is well-known [53], and hence e.g. plasma-based X-FELs are seen as a major milestone and stepping stone towards high energy physics R&D [12,54]. This strategic connection is true for various types of accelerator R&D, but it is epitomized for plasma photocathode wakefield acceleration R&D: ultralow emittance and ultrahigh brightness -the chief attraction of plasma photocathodes -is the key physics requirement for X-FELs [15,53] e.g.…”

Section: Discussionmentioning

confidence: 99%

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Ultrahigh brightness beams from plasma photoguns

Habib¹,

Heinemann²,

Manahan³

et al. 2021

Preprint

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Plasma photocathodes open a path towards tunable production of well-defined, compact electron beams with normalized emittance and brightness many orders of magnitude better than state-ofthe-art. Such beams could have far-reaching impact for applications such as light sources, but also open up new vistas on high energy physics and high field physics. We report on challenges and details of the proof-of-concept demonstration of a plasma photocathode in 90 • geometry at SLAC FACET within the "E-210: Trojan Horse" program. Using this experience, alongside theoretical and simulation-supported advances, we discuss the upcoming "E-310: Trojan Horse-II" program at FACET-II.

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Section: Discussionmentioning

confidence: 99%

“…The central importance of emittance and beam quality of electron beams for various applications is highlighted e.g. in US [11] and UK [12] roadmaps. Figure 8 visualizes and contrasts the E-210 scenario (top panel) with a potential E-310 scenario (bottom panel).…”

Section: A Future Capabilities At Facet-iimentioning

confidence: 99%

Ultrahigh brightness beams from plasma photoguns

Habib¹,

Heinemann²,

Manahan³

et al. 2021

Preprint

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“…These accelerators have advanced rapidly since the first ∼ 10 MeV electron "dream beams" were generated in 2004 [93][94][95]. Today's CPA-laser-driven wakefield accelerators impart ∼ 10 GeV energy gain to lepton beams within a few centimeters and have become an integral part of federal-agency-level roadmaps for 21st century accelerator science in the U.S. [4], Europe [96] and the U.K. [97]. Nevertheless, other properties of laser-accelerated lepton beams that are critical to applications -energy spread (10%), charge (tens of pC), spin-polarization (non-existent)remain little improved over 2004 capabilities.…”

Section: Laser Applications To Hep and Np Frontiersmentioning

confidence: 99%

High average power ultrafast laser technologies for driving future advanced accelerators

Kiani,

Zhou,

Bahk

et al. 2023

J. Inst.

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Large scale laser facilities are needed to advance the energy frontier in high energy physics and accelerator physics. Laser plasma accelerators are core to advanced accelerator concepts aimed at reaching TeV electron electron colliders. In these facilities, intense laser pulses drive plasmas and are used to accelerate electrons to high energies in remarkably short distances. A laser plasma accelerator could in principle reach high energies with an accelerating length that is 1000 times shorter than in conventional RF based accelerators. Notionally, laser driven particle beam energies could scale beyond state of the art conventional accelerators. LPAs have produced multi GeV electron beams in about 20 cm with relative energy spread of about 2 percent, supported by highly developed laser technology. This validates key elements of the US DOE strategy for such accelerators to enable future colliders but extending best results to date to a TeV collider will require lasers with higher average power. While the per pulse energies envisioned for laser driven colliders are achievable with current lasers, low laser repetition rates limit potential collider luminosity. Applications will require rates of kHz to tens of kHz at Joules of energy and high efficiency, and a collider would require about 100 such stages, a leap from current Hz class LPAs. This represents a challenging 1000 fold increase in laser repetition rates beyond current state of the art. This whitepaper describes current research and outlook for candidate laser systems as well as the accompanying broadband and high damage threshold optics needed for driving future advanced accelerators.

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“…A promising technology, which would reduce both the material and energy cost of accelerating particles, and hence improve its environmental sustainability, is wakefield acceleration [211]. These use laser pulses (in the case of laser wakefield accelerators) or particle beam bunches (for plasma wakefield accelerators, PWFAs) as the driver to accelerate plasma electrons, creating ion cavities.…”

Section: Case Study 62: Sustainability Of Plasma Wakefield Accelerati...mentioning

confidence: 99%

Environmental sustainability in basic research: a perspective from HECAP+

Banerjee

2023

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The climate crisis and the degradation of the world's ecosystems require humanity to take immediate action. The international scientific community has a responsibility to limit the negative environmental impacts of basic research. The HECAP+ communities (High Energy Physics, Cosmology, Astroparticle Physics, and Hadron and Nuclear Physics) make use of common and similar experimental infrastructure, such as accelerators and observatories, and rely similarly on the processing of big data. Our communities therefore face similar challenges to improving the sustainability of our research. This document aims to reflect on the environmental impacts of our work practices and research infrastructure, to highlight best practice, to make recommendations for positive changes, and to identify the opportunities and challenges that such changes present for wider aspects of social responsibility.

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Plasma Wakefield Accelerator Research 2019 - 2040: A community-driven UK roadmap compiled by the Plasma Wakefield Accelerator Steering Committee (PWASC)

Cited by 5 publications

References 1 publication

Ultrahigh brightness beams from plasma photoguns

Ultrahigh brightness beams from plasma photoguns

High average power ultrafast laser technologies for driving future advanced accelerators

Environmental sustainability in basic research: a perspective from HECAP+

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