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Simulation Studies of Intra-Train, Bunch-by-Bunch Feedback Systems at the International Linear Collider
/ Ramjiawan, Rebecca (JAI, UK ; CERN) ; Bett, Douglas (JAI, UK ; CERN) ; Bodenstein, Ryan (Jefferson Lab ; JAI, UK) ; Burrows, Philip (JAI, UK) ; Christian, Glenn (Diamond Light Source ; JAI, UK) ; Perry, Colin (JAI, UK)
The International Linear Collider (ILC) is a proposed electron-positron collider targeting collision energies from 250 GeV to 1 TeV. With design luminosities of order 10³⁴ cm²s⁻¹, a beam-based, intra-train feedback system would be required near the Interaction Point (IP) to provide nanometre-level stabilisation of the beam overlap in the collisions. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 861-864
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.861-864
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Investigation of CLIC 380 GeV post-collision line
/ Bodenstein, Ryan (JAI, UK ; Oxford U. ; CERN) ; Abramov, Andrey (JAI, UK ; Royal Holloway, U. of London ; CERN) ; Boogert, Stewart (JAI, UK ; Royal Holloway, U. of London) ; Burrows, Philip (JAI, UK ; Oxford U. ; CERN) ; Nevay, Laurence (JAI, UK ; Royal Holloway, U. of London ; CERN) ; Schulte, Daniel (CERN) ; Tomás, Rogelio (CERN)
It has been proposed that the Compact Linear Collider (CLIC) be commissioned in stages, starting with a lower-energy, 380 GeV version for the first stage, and concluding with a 3 TeV version for the final stage. In the Conceptual Design Report (CDR) [1] published in 2012, the post-collision line is described for the 3 TeV and 500 GeV stages. [...]
CERN-ACC-2019-157; CLIC-Note-1186.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPMP038
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPMP038
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Challenges and Status of Tuning Simulations for CLIC Traditional Beam Delivery System
/ Bodenstein, Ryan (JAI, UK) ; Burrows, Philip (JAI, UK) ; Marín, Eduardo (CERN)
The beam delivery system (BDS) for the 3 TeV version of the Compact Linear Collider (CLIC) has two main design types. One type is referred to as the local scheme, as it is approximately one kilometer shorter and corrects the chromaticity in both planes. [...]
CERN-ACC-2018-068; CLIC-Note-1147.-
2018 - 3 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPML010
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPML010
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Publication
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A Fast, Custom FPGA-Based Signal Processor and Its Applications to Intra-Train Beam Stabilisation
/ Christian, Glenn (JAI, UK) ; Blaskovic Kraljevic, Neven (JAI, UK) ; Bodenstein, Ryan (JAI, UK) ; Bromwich, Talitha (JAI, UK) ; Burrows, Philip (JAI, UK) ; Perry, Colin (JAI, UK) ; Ramjiawan, Rebecca (JAI, UK) ; Roberts, Jack (CERN ; JAI, UK)
A custom 9-channel feedback controller has been developed for low-latency applications in beam-based stabilisation. Fast 14-bit ADCs and DACs are used for high-resolution signal conversion and a Xilinx Virtex-5 FPGA is used for core high-bandwidth digital computation. [...]
2017 - 4 p.
- Published in : 10.18429/JACoW-PCaPAC2016-FRFMPLCO05
Fulltext: PDF;
In : 11st International Workshop on Personal Computers and Particle Accelerator Controls, Campinas, Brazil, 25-28 Oct 2016, pp.FRFMPLCO05
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Tuning Simulations for the CLIC Traditional Beam Delivery System
/ Bodenstein, Ryan (JAI, UK) ; Burrows, Philip (JAI, UK) ; Marín, Eduardo (CERN) ; Plassard, Fabien (CERN) ; Tomás, Rogelio (CERN)
As the design of the CLIC Beam Delivery System (BDS) evolves, tuning simulations must be performed on each of the proposed lattice designs to see which system achieves the highest luminosity in the most realistic manner. This work will focus on the tuning simulations performed on the so-called Traditional lattice design for the center-of-mass energy of 3 TeV. [...]
CERN-ACC-2017-131; CLIC-Note-1118.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPIK108
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPIK108
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IP Feedback Ground Motion Simulation Studies for the ILC
/ Bodenstein, Ryan (JAI, UK) ; Blaskovic Kraljevic, Neven (JAI, UK) ; Bromwich, Talitha (JAI, UK) ; Burrows, Philip (JAI, UK) ; Christian, Glenn (JAI, UK) ; Perry, Colin (JAI, UK) ; Pfingstner, Juergen (CERN) ; Ramjiawan, Rebecca (JAI, UK)
The International Linear Collider (ILC), as described in its Technical Design Report (TDR), must maintain strict control of its electron and positron beams in order to achieve the desired luminosity at each of its proposed center-of-mass energies. Controlling the beam parameters requires a dynamic system, capable of adjusting to a myriad of perturbations and errors. [...]
CERN-ACC-2017-146.-
2017 - 3 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPIK111
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK111
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Optimisation of a High-Resolution, Low-Latency Stripline Beam Position Monitor System for Use in Intra-Train Feedback
/ Blaskovic Kraljevic, Neven (JAI, UK) ; Bett, Douglas (CERN) ; Bodenstein, Ryan (JAI, UK) ; Bromwich, Talitha (JAI, UK) ; Burrows, Philip (JAI, UK) ; Christian, Glenn (JAI, UK) ; Perry, Colin (JAI, UK) ; Ramjiawan, Rebecca (JAI, UK)
A high-resolution, low-latency beam position monitor (BPM) system has been developed for use in feedback systems at particle accelerators and beamlines that operate with trains of particle bunches with bunch separations as low as several tens of nanoseconds, such as future linear electron-positron colliders and free-electron lasers. The system was tested with electron beams in the extraction line of the Accelerator Test Facility at the High Energy Accelerator Research Organization (KEK) in Japan. [...]
CERN-ACC-2017-248.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPIK110
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK110
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ebook
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