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Employment (2)

University College London: London, GB

Employment
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University College London

University of Oxford: Oxford, GB

2021-06-01 to present | Postdoctoral Research Assistant (Department of Physics)
Employment
Source: Self-asserted source
James Chappell

Professional activities (2)

Institute of Physics: London, London, GB

2022-02-01 | Culham Thesis Prize (Plasma Physics Group)
Distinction
Source: Self-asserted source
James Chappell

University College London: London, GB

2021-11-22 | Spreadbury Prize for Outstanding Postgraduate Research (High Energy Physics) (Department of Physics and Astronomy)
Distinction
Source: Self-asserted source
James Chappell

Works (28)

Emittance preservation in a plasma-wakefield accelerator

Nature Communications
2024-07-19 | Journal article
DOI: 10.1038/s41467-024-50320-1
Contributors: C. A. Lindstrøm; J. Beinortaitė; J. Björklund Svensson; L. Boulton; J. Chappell; S. Diederichs; B. Foster; J. M. Garland; P. González Caminal; G. Loisch et al.
Source: check_circle
Crossref

Resonant excitation of plasma waves in a plasma channel

Physical Review Research
2024-04-03 | Journal article
DOI: 10.1103/PhysRevResearch.6.L022001
Contributors: A. J. Ross; J. Chappell; J. J. van de Wetering; J. Cowley; E. Archer; N. Bourgeois; L. Corner; D. R. Emerson; L. Feder; X. J. Gu et al.
Source: check_circle
Crossref

All-Optical GeV Electron Bunch Generation in a Laser-Plasma Accelerator via Truncated-Channel Injection

Physical Review Letters
2023-12-12 | Journal article
DOI: 10.1103/PhysRevLett.131.245001
Contributors: A. Picksley; J. Chappell; E. Archer; N. Bourgeois; J. Cowley; D. R. Emerson; L. Feder; X. J. Gu; O. Jakobsson; A. J. Ross et al.
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Crossref

Recovery time of a plasma-wakefield accelerator

Nature
2022-03-03 | Journal article
DOI: 10.1038/s41586-021-04348-8
Part of ISSN: 0028-0836
Part of ISSN: 1476-4687
Source: Self-asserted source
James Chappell

Experimental study of long timescale plasma wakefield evolution

2021 | Dissertation or Thesis
SOURCE-WORK-ID:

1888528
Contributors: James Chappell
Source: check_circle
University College London

Stable witness-beam formation in a beam-driven plasma cathode

Physical Review Accelerators and Beams
2021-10-07 | Journal article
DOI: 10.1103/physrevaccelbeams.24.101302
Part of ISSN: 2469-9888
Source: Self-asserted source
James Chappell

Simulation and experimental study of proton bunch self-modulation in plasma with linear density gradients

Physical Review Accelerators and Beams
2021-10-01 | Journal article
DOI: 10.1103/physrevaccelbeams.24.101301
Part of ISSN: 2469-9888
Source: Self-asserted source
James Chappell

Reduced model of plasma evolution in hydrogen discharge capillary plasmas

Physical Review E
2021-07-16 | Journal article
DOI: 10.1103/PhysRevE.104.015211
Contributors: G. J. Boyle; M. Thévenet; J. Chappell; J. M. Garland; G. Loisch; J. Osterhoff; R. D'Arcy
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Crossref
grade
Preferred source (of 2)‎

Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma

Physical Review Letters
2021-04-20 | Journal article
DOI: 10.1103/PhysRevLett.126.164802
SOURCE-WORK-ID:

1866960

PMID: 33961468
Part of ISSN: 0031-9007
WOSUID: WOS:000652829300003
Contributors: F Batsch; P Muggli; R Agnello; C C Ahdida; M C Amoedo Goncalves; Y Andrebe; O Apsimon; R Apsimon; A M Bachmann; M A Baistrukov et al.
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University College London

Measurement and application of electron stripping of ultrarelativistic 208Pb81+

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
2021-02 | Journal article
DOI: 10.1016/j.nima.2020.164902
Part of ISSN: 0168-9002
Source: Self-asserted source
James Chappell
grade
Preferred source (of 2)‎

Energy-Spread Preservation and High Efficiency in a Plasma-Wakefield Accelerator

Physical Review Letters
2021-01-08 | Journal article
DOI: 10.1103/PhysRevLett.126.014801
SOURCE-WORK-ID:

1843552

PMID: 33480753
Part of ISSN: 0031-9007
WOSUID: WOS:000605186100009
Contributors: C A Lindstrøm; J M Garland; S Schröder; L Boulton; G Boyle; James Chappell; R D'Arcy; P Gonzalez; A Knetsch; V Libov et al.
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University College London

Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch

Physical Review Accelerators and Beams
2021-01-05 | Journal article
DOI: 10.1103/PhysRevAccelBeams.24.011301
Contributors: J. Chappell; E. Adli; R. Agnello; M. Aladi; Y. Andrebe; O. Apsimon; R. Apsimon; A.-M. Bachmann; M. A. Baistrukov; F. Batsch et al.
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Crossref
grade
Preferred source (of 2)‎

Proton Bunch Self-Modulation in Plasma with Density Gradient

Physical Review Letters
2020-12-31 | Journal article
DOI: 10.1103/PhysRevLett.125.264801
SOURCE-WORK-ID:

1842878

PMID: 33449727
Part of ISSN: 0031-9007
WOSUID: WOS:000602858400007
Contributors: F Braunmüller; T Nechaeva; E Adli; R Agnello; M Aladi; Y Andrebe; O Apsimon; R Apsimon; A M Bachmann; M A Baistrukov et al.
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University College London

Proton beam defocusing in AWAKE: comparison of simulations and measurements

Plasma Physics and Controlled Fusion
2020-10-19 | Journal article
DOI: 10.1088/1361-6587/abc298
Part of ISSN: 0741-3335
Part of ISSN: 1361-6587
Source: Self-asserted source
James Chappell
grade
Preferred source (of 2)‎

Experimental study of wakefields driven by a self-modulating proton bunch in plasma

Physical Review Accelerators and Beams
2020-08-04 | Journal article
DOI: 10.1103/PhysRevAccelBeams.23.081302
SOURCE-WORK-ID:

1809534

Part of ISSN: 2469-9888
WOSUID: WOS:000557937900003
Contributors: M Turner; P Muggli; E Adli; R Agnello; M Aladi; Y Andrebe; O Apsimon; R Apsimon; A-M Bachmann; M A Baistrukov et al.
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University College London

Evolution of a plasma column measured through modulation of a high-energy proton beam

2020-06-17 | Preprint
ARXIV: arXiv:2006.09991v1
Source: Self-asserted source
James Chappell

Proton-driven plasma wakefield acceleration in AWAKE (vol 377, 20180418, 2019)

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
2020-02-07 | Journal article
DOI: 10.1098/rsta.2019.0539
SOURCE-WORK-ID:

1737648

PMID: 31865874
PMC: PMC6939239
Part of ISSN: 1364-503X
WOSUID: WOS:000504088100004
Contributors: E Gschwendtner; M Turner; E Adli; A Ahuja; O Apsimon; R Apsimon; A-M Bachmann; F Batsch; C Bracco; F Braunmueller et al.
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University College London

Progress Towards a Single-Shot Emittance Measurement Technique at AWAKE

Proceedings of the 10th Int. Particle Accelerator Conf.
2019 | Journal article
DOI: 10.18429/JACOW-IPAC2019-THPGW067
Source: Self-asserted source
James Chappell

A compact electron injector for the EIC based on plasma wakefields driven by the RHIC-EIC proton beam

2019-10-04 | Conference paper
SOURCE-WORK-ID:

1824851
Contributors: James Chappell; Allen Caldwell; Matthew Wing
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University College London

A magnetic spectrometer to measure electron bunches accelerated at AWAKE

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
2019-10-01 | Journal article
DOI: 10.1016/j.nima.2019.05.067
SOURCE-WORK-ID:

1669289

Part of ISSN: 0168-9002
WOSUID: WOS:000475349600016
Contributors: J Bauche; B Biskup; Michele Cascella; James Chappell; N Chritin; D Cooke; L Deacon; Q Deliege; I Gorgisyan; J Hansen et al.
Source: check_circle
University College London

FLASHForward: plasma wakefield accelerator science for high-average-power applications

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
2019-08-01 | Journal article
DOI: 10.1098/rsta.2018.0392
SOURCE-WORK-ID:

1667797

PMC: PMC6602913
PMID: 31230573
Part of ISSN: 1364-503X
WOSUID: WOS:000472623800007
Contributors: R D'Arcy; A Aschikhin; S Bohlen; G Boyle; T Brümmer; James Chappell; S Diederichs; B Foster; M J Garland; L Goldberg et al.
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University College London

Proton-driven plasma wakefield acceleration in AWAKE

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
2019-06-24 | Journal article
DOI: 10.1098/rsta.2018.0418
SOURCE-WORK-ID:

1669044

PMC: PMC6602911
PMID: 31230571
Part of ISSN: 1364-503X
WOSUID: WOS:000472623800008
Contributors: E Gschwendtner; M Turner; E Adli; A Ahuja; O Apsimon; R Apsimon; A-M Bachmann; F Batsch; C Bracco; F Braunmueller et al.
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University College London

Experimental Observation of Plasma Wakefield Growth Driven by the Seeded Self-Modulation of a Proton Bunch

Physical Review Letters
2019-02-08 | Journal article
DOI: 10.1103/PhysRevLett.122.054801
SOURCE-WORK-ID:

1631166

PMID: 30822039
Part of ISSN: 0031-9007
WOSUID: WOS:000458149700008
Contributors: M Turner; E Adli; A Ahuja; O Apsimon; R Apsimon; A-M Bachmann; M Barros Marin; D Barrientos; F Batsch; J Batkiewicz et al.
Source: check_circle
University College London

Experimental Observation of Proton Bunch Modulation in a Plasma at Varying Plasma Densities

Physical Review Letters
2019-02-08 | Journal article
DOI: 10.1103/PhysRevLett.122.054802
SOURCE-WORK-ID:

1631165

PMID: 30822008
Part of ISSN: 0031-9007
WOSUID: WOS:000458149700009
Contributors: E Adli; A Ahuja; O Apsimon; R Apsimon; A-M Bachmann; D Barrientos; M M Barros; J Batkiewicz; F Batsch; J Bauche et al.
Source: check_circle
University College London

Particle physics applications of the AWAKE acceleration scheme

2018-12-22 | Preprint
ARXIV: arXiv:1812.11164v1
Source: Self-asserted source
James Chappell

Dark Sector Physics with a Primary Electron Beam Facility at CERN

CERN
2018-09-28 | Report
OTHER-ID: CERN-SPSC-2018-023
Source: Self-asserted source
James Chappell

Acceleration of electrons in the plasma wakefield of a proton bunch.

Nature
2018-09-20 | Journal article
DOI: 10.1038/s41586-018-0485-4
SOURCE-WORK-ID:

1583636

PMC: PMC6786972
PMID: 30188496
Part of ISSN: 0028-0836
WOSUID: WOS:000445011500048
Contributors: E Adli; A Ahuja; O Apsimon; R Apsimon; A-M Bachmann; D Barrientos; F Batsch; J Bauche; V K Berglyd Olsen; M Bernardini et al.
Source: check_circle
University College London

The AWAKE Electron Spectrometer

2018-06-01 | Conference paper
DOI: 10.18429/JACoW-IPAC2018-THPML118
SOURCE-WORK-ID:

1625863
Contributors: Matthew Wing; Fearghus Keeble; Michele Cascella; James Chappell; Lawrence Deacon; Ishkhan Gorgisyan; Simon Jolly; Stefano Mazzoni; Paolo Penna; Marco Quattri
Source: check_circle
University College London
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