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Resonant emittance mixing of flat beams in plasma accelerators
/ Diederichs, Severin (DESY ; CERN) ; Benedetti, Carlo (LBL, Berkeley) ; Pousa, Angel Ferran (DESY) ; Sinn, Alexander (DESY) ; Osterhoff, Jens (DESY ; LBL, Berkeley) ; Schroeder, Carl B. (LBL, Berkeley ; UC, Berkeley, Nucl. Eng. Dept.) ; Thévenet, Maxence (DESY)
Linear colliders rely on high-quality flat beams to achieve the desired event rate, while avoiding potentially deleterious beamstrahlung effects. [...]
arXiv:2403.05871.
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10.
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Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2024
/ Andriyash, I.A. (Palaiseau, Lab. Opt. Appl.) ; Apsimon, O. (Manchester U.) ; Backhouse, M. (JAI, UK) ; Benedetti, C. (LBL, Berkeley) ; Bulanov, S.S. (LBL, Berkeley) ; Caldwell, A. (Munich, Max Planck Inst.) ; Chen, Min (Shanghai Jiao Tong U.) ; Cilento, V. (CERN) ; Corde, S. (Palaiseau, Lab. Opt. Appl.) ; D'Arcy, R. (Oxford U.) et al.
The workshop focused on the application of ANAs to particle physics keeping in mind the ultimate goal of a collider at the energy frontier (10 TeV, e$^+$/e$^-$, e$^-$/e$^-$, or $\gamma\gamma$). [...]
arXiv:2408.03968.
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72.
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Bounding elastic photon-photon scattering at $\sqrt s \approx 1\,$MeV using a laser-plasma platform
/ Watt, R. (JAI, UK) ; Kettle, B. (JAI, UK) ; Gerstmayr, E. (JAI, UK) ; King, B. (Plymouth U.) ; Alejo, A. (Queen's U., Belfast) ; Astbury, S. (Rutherford) ; Baird, C. (York U., England, Dept. Math.) ; Bohlen, S. (DESY) ; Campbell, M. (CERN) ; Colgan, C. (JAI, UK) et al.
We report on a direct search for elastic photon-photon scattering using x-ray and $\gamma$ photons from a laser-plasma based experiment. [...]
arXiv:2407.12915.
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8 p.
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Beam-based commissioning of a novel X-band transverse deflection structure with variable polarization
/ González Caminal, P (DESY) ; Christie, F (DESY) ; D'Arcy, R (DESY) ; Jaster-Merz, S M (DESY) ; Assmann, R (DESY) ; Burkart, F (DESY) ; Conrad, B (DESY) ; Dinter, H (DESY) ; Foese, M (DESY) ; Herrmann, J (DESY) et al.
Longitudinal electron-beam diagnostics play a critical role in the operation and control of x-ray free-electron lasers, which rely on parameters such as the current profile, the longitudinal phase space, or the slice emittance of the particle distribution. On the one hand, the femtosecond-scale electron bunches produced at these facilities impose stringent requirements on the resolution achievable with the diagnostics. [...]
2024 - 19 p.
- Published in : Phys. Rev. Accel. Beams 27 (2024) 032801
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EuPRAXIA – a compact, cost-efficient particle and radiation source
/ Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, P D (LNF, Dafne Light) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Anania, M P (LNF, Dafne Light) ; Andreev, N E (Lebedev Inst. ; Moscow, MIPT) ; Andriyash, I (SOLEIL, Saint-Aubin) ; Aschikhin, A (DESY) ; Assmann, R W (DESY) ; Audet, T (LPGP, Orsay) et al.
Plasma accelerators present one of the most suitable candidates for the development of more compact particle
acceleration technologies, yet they still lag behind radiofrequency (RF)-based devices when it comes to beam quality,
control, stability and power efficiency. The Horizon 2020-funded project EuPRAXIA (“European Plasma Research
Accelerator with eXcellence In Applications”) aims to overcome the first three of these hurdles by developing a
conceptual design for a first international user facility based on plasma acceleration. [...]
2019 - 9 p.
- Published in : AIP Conf. Proc. 2160 (2019) 040012
In : 25th Conference on Application of Accelerators in Research and Industry (CAARI 2018), Grapevine, TX, United States, 12 - 17 Aug 2018, pp.040012
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The PolariX-TDS Project: Bead-Pull Measurements and High-Power Test on the Prototype
/ Craievich, Paolo (PSI, Villigen) ; Aßmann, Ralph (DESY) ; Bopp, Markus (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Catalán Lasheras, Nuria (CERN) ; Christie, Florian (DESY) ; Citterio, Alessandro (PSI, Villigen) ; D'Arcy, Richard (DESY) ; Dorda, Ulrich (DESY) ; Foese, Manon (DESY) et al.
A collaboration between DESY, PSI and CERN has been established to develop and build an advanced modular X- band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel X-band TDS, the Polarizable X-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. [...]
2019 - 4 p.
- Published in : 10.18429/JACoW-FEL2019-WEP036
Fulltext: PDF;
In : 39th International Free Electron Laser Conference, Hamburg, Germany, 26 - 30 Aug 2019, pp.WEP036
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Chapter 4: High-gradient plasma and laser accelerators
/ Assmann, R (DESY ; LNF, Dafne Light) ; Gschwendtner, E (CERN) ; Cassou, K (IJCLab, Orsay) ; Corde, S (Ec. Polytech., Palaiseau (main)) ; Corner, L (Nikhef, Amsterdam) ; Cros, B (LPGP, Orsay) ; Ferrario, M (LNF, Dafne Light) ; Hooker, S (JAI, UK) ; Ischebeck, R (PSI, Villigen) ; Latina, A (CERN) et al.
Novel high-gradient accelerators have demonstrated acceleration of electrons and positrons with electric field strengths of 1 to > 100 GeV/m. This is about 10 to 1000 times higher than achieved in RF-based accelerators, and as such they have the potential to overcome the limitations associated with RF cavities. [...]
2022 - 53 p.
Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.91-143
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European Strategy for Particle Physics - Accelerator R&D Roadmap
/ Adolphsen, C. ; Mounet, N. (ed.)
The 2020 update of the European Strategy for Particle Physics emphasised the importance of an intensified and well-coordinated programme of accelerator R&D, supporting the design and delivery of future particle accelerators in a timely, affordable and sustainable way [...]
arXiv:2201.07895 ; CERN-2022-001
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2022-03-17 - 270.
(CERN Yellow Reports: Monographs ; 1/2022)
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10.23731/CYRM-2022-001
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A laser-plasma platform for photon-photon physicsA laser–plasma platform for photon–photon physics: the two photon Breit–Wheeler process
/ Kettle, B. (JAI, UK) ; Hollatz, D. (Helmholtz Inst., Jena ; U. Jena (main) ; Jena U.) ; Gerstmayr, E. (JAI, UK) ; Samarin, G.M. (Queen's U., Belfast) ; Alejo, A. (Queen's U., Belfast) ; Astbury, S. (Rutherford) ; Baird, C. (York U., England) ; Bohlen, S. (DESY) ; Campbell, M. (CERN) ; Colgan, C. (JAI, UK) et al.
We describe a laser-plasma platform for photon-photon collision experiments to measure fundamental quantum electrodynamic processes such as the linear Breit-Wheeler process with real photons. The platform has been developed using the Gemini laser facility at the Rutherford Appleton Laboratory. [...]
arXiv:2106.15170.-
2021-11-03 - 19 p.
- Published in : New J. Phys. 23 (2021) 115006
Fulltext: 2106.15170 - PDF; Publication - PDF; document - PDF;
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Experimental demonstration of novel beam characterization using a polarizable X-band transverse deflection structure
/ Marchetti, B (DESY ; European XFEL, Hamburg) ; Grudiev, A (CERN) ; Craievich, P (PSI, Villigen) ; Assmann, R (DESY) ; Braun, H H (PSI, Villigen) ; Catalan Lasheras, N (CERN) ; Christie, F (DESY) ; D'Arcy, R (DESY) ; Fortunati, R (PSI, Villigen) ; Ganter, R (PSI, Villigen) et al.
The PolariX TDS (Polarizable X-Band Transverse Deflection Structure) is an innovative TDS-design operating in the X-band frequency-range. The design gives full control of the streaking plane, which can be tuned in order to characterize the projections of the beam distribution onto arbitrary transverse axes. [...]
2021 - 14 p.
- Published in : Sci. Rep. 11 (2021) 3560
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