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1.
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ATF2-3 hardware upgrade and new experimental results to maximize luminosity potential of linear colliders
/ Faus-Golfe, Angeles (IJCLab, Orsay) ; Aryshev, Alexander (KEK, Tsukuba) ; Lyapin, Alexey (Oxford U.) ; Kruchinin, Konstantin (KEK, Tsukuba) ; Terunuma, Nobuhiro (KEK, Tsukuba) ; Fuster-Martinez, Nuria (Valencia U., IFIC) ; Burrows, Philip (Oxford U.) ; Mazzoni, Stefano (CERN) ; Okugi, Toshiyuki (KEK, Tsukuba)
/ATF2 Collaboration
The ATF2-3 beamline is the only facility in the world for testing the Final Focus Beamline of linear colliders and is essential for the ILC and the CLIC projects. A vertical electron beam size of 41 nm (within 10% of the target), a closed-loop intra-bunch feedback of latency 133 ns, and direct stabilization of the beam position at the Interaction Point to 41 nm (limited by IP BPM resolution) have all been achieved at ATF2. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC04
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC04
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2.
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Status of the Horizon 2020 EuPRAXIA conceptual design study
/ Weikum, Maria (DESY) ; Akhter, Tahmina (INFN, Naples ; U. Naples (main)) ; Alesini, David (Frascati) ; Alexandrova, Alexandra (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Anania, Maria Pia (Frascati) ; Andreev, Nikolay (Moscow, Inst. High Temp. ; Moscow, MIPT) ; Andriyash, Igor (Weizmann Inst.) ; Aschikhin, Alexander (DESY) ; Aßmann, Ralph (DESY) ; Audet, Thomas (LPGP, Orsay) et al.
The Horizon 2020 Project EuPRAXIA (European Plasma Research Accelerator with eXcellence In Applications) is producing a conceptual design report for a highly compact and cost-effective European facility with multi-GeV electron beams accelerated using plasmas. EuPRAXIA will be set up as a distributed Open Innovation platform with two construction sites, one with a focus on beam-driven plasma acceleration (PWFA) and another site with a focus on laser-driven plasma acceleration (LWFA). [...]
CERN-ACC-2019-225.-
2019 - 5 p.
- Published in : 10.18429/JACoW-IPAC2019-THPGW026
Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPGW026
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3.
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Optical Effects in High Resolution and High Dynamic Range Beam Imaging Systems
/ Wolfenden, Joseph (U. Liverpool (main)) ; Bergamaschi, Michele (CERN) ; Fiorito, Ralph (U. Liverpool (main)) ; Karataev, Pavel (JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (JAI, UK) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Welsch, Carsten (U. Liverpool (main))
Optical systems are used to transfer light in beam diagnostics for a variety of imaging applications. The effect of the point spread function (PSF) of these optical systems on the resulting measurements is often approximated or misunderstood. [...]
2017 - 4 p.
- Published in : 10.18429/JACoW-IBIC2016-WEPG80
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEPG80
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4.
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Comparison of Optical Transition Radiation Simulations and Theory
/ Wolfenden, Joseph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Bergamaschi, Michele (JAI, UK ; Royal Holloway, U. of London ; CERN) ; Fiorito, Ralph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Karataev, Pavel (Royal Holloway, U. of London ; JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (Royal Holloway, U. of London ; JAI, UK) ; Lefèvre, Thibaut (CERN) ; Welsch, Carsten (U. Liverpool (main) ; Cockcroft Inst. Accel. Sci. Tech.)
The majority of optical diagnostics currently used will not stand up to the requirements of the next generation of particle accelerators. Current methodologies need innovation to be able to reach the sub-micrometre resolution and sensitivity that will be required. [...]
CERN-ACC-2017-256.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPAB138
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB138
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5.
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Diffraction Radiation for Non-Invasive, High-Resolution Beam Size Measurements in Future Linear Colliders
/ Bergamaschi, Michele (CERN ; JAI, UK ; Royal Holloway, U. of London) ; Aryshev, Alexander (KEK, Tsukuba) ; Karataev, Pavel (Royal Holloway, U. of London ; JAI, UK) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (Royal Holloway, U. of London ; JAI, UK) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Terunuma, Nobuhiro (KEK, Tsukuba)
Next generation linear colliders such as the Compact Linear Collider (CLIC) or the International Linear Collider (ILC) will accelerate particle beams with extremely small emittance. The high current and small size of the beam (micron-scale) due to such small emittance require non-invasive, high-resolution techniques for beam diagnostics. [...]
CERN-ACC-2017-293; CLIC-Note-1109.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPAB111
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB111
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6.
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High Resolution and Dynamic Range Characterisation of Beam Imaging Systems
/ Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Bergamaschi, Michele (CERN) ; Fiorito, Ralph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Karataev, Pavel (Oxford U., JAI) ; Kieffer, Robert (CERN) ; Kruchinin, Konstantin (Oxford U., JAI) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Wolfenden, Joseph (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main))
Any imaging system requires the use of various optical components to transfer the light from the source, e.g. optical radiation generated by a charged particle beam, to the sensor. [...]
CERN-ACC-2016-306.-
2016 - 3 p.
- Published in : 10.18429/JACoW-IPAC2016-MOPMR045
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMR045
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7.
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Laserwire Emittance Scanner at CERN Linac 4
/ Kruchinin, Konstantin (Royal Holloway, U. of London) ; Boorman, Gary (Royal Holloway, U. of London) ; Bosco, Alessio (Royal Holloway, U. of London) ; Bravin, Enrico (CERN) ; Gibson, Stephen (Royal Holloway, U. of London) ; Hofmann, Thomas (CERN) ; Karataev, Pavel (Royal Holloway, U. of London) ; Letchford, Alan (Rutherford) ; Pozimski, Jürgen (Imperial Coll., London) ; Raich, Uli (CERN) et al.
Linac 4 presently under construction at CERN is designed to replace the existing 50 MeV Linac 2 in the LHC injector chain and will accelerate the beam of high current negative hydrogen ions to 160 MeV. During the commissioning a laserwire emittance scanner has been installed allowing noninvasive measuring of the emittance at 3 MeV and 12 MeV setups. [...]
CERN-ACC-2015-302.-
2015 - 4 p.
- Published in : (2015) , pp. MOPWI003
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.MOPWI003
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8.
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Very high resolution optical transition radiation imaging system: Comparison between simulation and experiment
/ Bolzon, B (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Aryshev, A (KEK, Tsukuba) ; Aumeyr, Thomas (Oxford U., JAI) ; Boogert, Stewart Takashi (Oxford U., JAI) ; Karataev, Pavel (Oxford U., JAI) ; Kruchinin, Konstantin (Oxford U., JAI) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Nevay, Laurence James (Oxford U., JAI) ; Shevelev, M (KEK, Tsukuba) et al.
Optical transition radiation (OTR) has become a commonly used method for 2D beam imaging measurements. In the Accelerator Test Facility 2 (ATF2) at KEK, beam sizes smaller than the OTR point spread function have been measured. [...]
CERN-BE-2016-002; CLIC-Note-1063.-
Geneva : CERN, 2015 - 8 p.
- Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 082803
APS Open Access article: PDF; Fulltext: CERN-BE-2016-002 - PDF; CLIC-Note-1063 - PDF;
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9.
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Advanced Simulations of Optical Transition and Diffraction Radiation
/ Aumeyr, Thomas (Royal Holloway, U. of London) ; Billing, MG (Cornell U., CLASSE) ; Bobb, Lorraine Marie (Royal Holloway, U. of London) ; Bolzon, B (CERN) ; Bravin, Enrico (CERN) ; Karataev, Pavel (Royal Holloway, U. of London) ; Kruchinin, Konstantin (Royal Holloway, U. of London) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN)
Charged particle beam diagnostics is a key task in modern and future accelerator installations. The diagnostic tools are practically the “eyes” of the operators. [...]
CERN-BE-2016-001; CLIC-Note-1062.-
Geneva : CERN, 2015 - 9 p.
- Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 042801
APS Open Access article: PDF; Fulltext: CERN-BE-2016-001 - PDF; CLIC-Note-1062 - PDF;
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10.
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Experimental results of the laserwire emittance scanner for LINAC4 at CERN
/ Hofmann, Thomas (CERN ; Royal Holloway, U. of London ; U. Erlangen-Nuremberg (main)) ; Boorman, Gary E. (Royal Holloway, U. of London) ; Bosco, Alessio (Royal Holloway, U. of London) ; Bravin, Enrico (CERN) ; Gibson, Stephen M. (Royal Holloway, U. of London) ; Kruchinin, Konstantin O. (Royal Holloway, U. of London) ; Raich, Uli (CERN) ; Roncarolo, Federico (CERN) ; Zocca, Francesca (CERN)
Within the framework of the LHC Injector Upgrade (LIU), the new LINAC4 is currently being commissioned to replace the existing LINAC2 proton source at CERN. After the expected completion at the end of 2016, the LINAC4 will accelerate H- ions to 160 MeV [...]
arXiv:1511.05876.-
2016-09-11 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 830 (2016) 526-531
Elsevier Open Access article: PDF; Fulltext: PDF; External link: Preprint
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