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HOM characterization for beam diagnostics at the european XFEL injector
/ Baboi, Nicoletta (DESY) ; Hellert, Thorsten (DESY and University of Hamburg) ; Shi, Liangliang (DESY and Manchester University) ; Wamsat, Thomas, DESY ; Jones, Roger M (Cockcroft Institute and Manchester University) ; Joshi, Nirav (Cockcroft Institute and Manchester University)
Higher Order Modes (HOM) excited by bunched electron beams in accelerating cavities carry information about the beam position and phase. This principle is used at the FLASH facility, at DESY, for beam position monitoring in 1.3 and 3.9 GHz cavities. [...]
CERN-ACC-2017-0046.-
Geneva : CERN, 2017
- Published in :
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEPG03
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Measurement of beam phase at FLASH using HOMs in accelerating cavities
/ Shi, Lianliang (Manchester University and Cockcroft Institute and DESY) ; Baboi, Nicoletta (DESY) ; Jones, Roger M (Manchester University and Cockcroft Institute) ; Joshi, Nirav (Manchester University and Cockcroft Institute)
The beam phase relative to the accelerating field is of vital importance for the quality of photon beams produced in modern Free Electron Lasers based on superconducting cavities. Normally, the phase is determined by detecting the transient field induced by the beam. [...]
CERN-ACC-2017-0044.-
Geneva : CERN, 2017
- Published in : 10.18429/JACoW-IPAC2016-MOPOR039
Fulltext: CERN-ACC-2017-0044 - PDF; Fulltext - PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPOR039
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Eigenmode compendium of the third harmonic module of the European X-ray Free Electron Laser
/ Flisgen, Thomas (Rostock U.) ; Heller, Johann (Rostock Universitaet) ; Galek, Tomasz, Rostock Universitaet ; Shi, Liangliang (Cockcroft institute, Manchester University and DESY) ; Joshi, Nirav (Manchester University) ; Baboi, Nicoletta (DESY) ; Jones, Roger M (Cockcroft Institute and Manchester University) ; van Rienen, Ursula (Rockstock Universitaet)
Chains of superconducting radio-frequency resonators are key components of modern particle accelerators such as the European XFEL, which is currently under construction in the north of Germany. In addition to the accelerating mode of the resonators, their beam excited higher order modes are of special interest, because they can harm the beam quality. [...]
CERN-ACC-2017-0041.-
Geneva : CERN, 2017
- Published in : Phys. Rev. Accel. Beams 20 (2017) 042002
Fulltext: PDF;
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Development of a Cavity Beam Position Monitor for CLIC
/ Cullinan, F (Oxford U., JAI ; Royal Holloway, U. of London) ; Boogert, S T (Oxford U., JAI ; Royal Holloway, U. of London) ; Joshi, N (Oxford U., JAI ; Royal Holloway, U. of London) ; Lyapin, A (Oxford U., JAI ; Royal Holloway, U. of London) ; Calvo, E (CERN) ; Chritin, N (CERN) ; Guillot-Vignot, F (CERN) ; Lefevre, T (CERN) ; Søby, L (CERN) ; Lunin, A (Fermilab) et al.
The Compact Linear Collider (CLIC) project presents many challenges to its subsystems and the beam diagnostics in particular must perform beyond current limitations. The requirements for the CLIC main beam position monitors foresee a spacial resolution of 50 nm while delivering a 50 ns temporal resolution within the bunch train. [...]
2012 - 3 p.
- Published in : Conf. Proc.: C1205201 (2012) , pp. MOPPR057
External link: Published from JaCoW
In : 3rd International Particle Accelerator Conference, New Orleans, LA, USA, 20 - 25 May 2012, pp.915-917
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A prototype cavity beam position monitor for the CLIC Main Beam
/ Cullinany , F (CERN) ; Boogert, S T (Oxford U., JAI) ; Joshi, N (Oxford U., JAI) ; Lyapin, A (Oxford U., JAI) ; Bastard, D (CERN) ; Calvo, E (CERN) ; Chritin, N (CERN) ; Guillot-Vignot, F (CERN) ; Lefevre, T (CERN) ; Søby, L (CERN) et al.
The Compact Linear Collider (CLIC) places unprecedented demands on its diagnostics systems. [...]
CERN-ATS-2012-282.
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2012. - 3 p.
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CAVITY BEAM POSITION MONITOR SYSTEM FOR ATF2
/ Boogert, S T (John Adams Institute at Royal Holloway University of London) ; Boorman, G (John Adams Institute at Royal Holloway University of London) ; Cullinan, F (John Adams Institute at Royal Holloway University of London) ; Joshi, N (John Adams Institute at Royal Holloway University of London) ; Lyapin, A (John Adams Institute at Royal Holloway University of London) ; Aryshev, A (KEK) ; Honda, Y (KEK) ; Naito, T (KEK) ; Terunuma, N (KEK) ; Urakara, J (KEK) et al.
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.4: BDS
The Accelerator Test Facility 2 (ATF2) in KEK, Japan, is a prototype scaled demonstrator system for the final focus required for a future high energy lepton linear collider. [...]
EuCARD-CON-2011-020.
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2011.
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POSITION DETERMINATION OF CLOSELY SPACED BUNCHES USING CAVITY BPMs
/ Joshi, N (John Adams Institute at Royal Holloway University of London) ; Boogert, S T (John Adams Institute at Royal Holloway University of London) ; Cullinan, F (John Adams Institute at Royal Holloway University of London) ; Lyapin, A (John Adams Institute at Royal Holloway University of London)
WP: 9: Technology for normal conducting higher energy linear accelerators
Task: 9.4: BDS
Radio Frequency (RF) Cavity Beam Position Monitor (BPM) systems form a major part of precision position measurement diagnostics for linear accelerators with low emittance beams. [...]
EuCARD-CON-2011-019.
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2011.
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