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Advanced BBA Techniques for the Final Focuses of Future Linear Colliders
/ Snuverink, Jochem (CERN) ; Bodenstein, Ryan (Oxford U., JAI) ; Latina, Andrea (CERN) ; Schulte, Daniel (CERN) ; Tomás, Rogelio (CERN)
Tuning the Final-Focus System of future linear colliders is one of the open challenges the linear collider community is undertaking. Future colliders like ILC and CLIC will feature complex lattice design to focus the beams to nanometer level at the Interaction Point. [...]
CERN-ACC-2016-171; CLIC-Note-1098.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-THPMR046
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR046
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2.
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Two-beam Tuning in the CLIC BDS
/ Snuverink, Jochem (Oxford U., JAI) ; Bodenstein, Ryan (Oxford U., JAI) ; Tomás, Rogelio (CERN)
Beam tuning in the beam delivery system (BDS) is one of the major challenges for the future linear colliders. In those colliders, due to fast detuning of the final focus optics both beamlines will need to be tuned simultaneously. [...]
CERN-ACC-2016-170; CLIC-Note-1099.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-THPMR047
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMR047
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3.
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Intra-beam IP Feedback Studies for the 380 GeV CLIC Beam Delivery System
/ Bodenstein, Ryan (Oxford U., JAI) ; Burrows, Philip (Oxford U., JAI) ; Plassard, Fabien (CERN) ; Snuverink, Jochem (Royal Holloway, U. of London)
In its currently-envisaged initial stage, the Compact Linear Collider (CLIC) will collide beams with a 380 GeV center of mass energy. To maintain the luminosity within a few percent of the design value, beam stability at the interaction point (IP) must be controlled at the sub-nanometer level. [...]
CERN-ACC-2016-202; CERN-ACC-2016-203; CLIC-Note-1093.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-WEPOR009
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPOR009
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4.
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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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5.
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First Studies of Two-beam Tuning in the CLIC BDS
/ Snuverink, Jochem (Oxford U., JAI) ; Latina, Andrea (CERN) ; Tomás, Rogelio (CERN)
Beam tuning in the beam delivery system (BDS) is one of the major challenges for the future linear colliders. Up to now single beam tuning has been performed, both in simulations and experiments at the Accelerator Test Facility (ATF). [...]
2014 - 3 p.
- Published in : , pp. TUPRO069
Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.TUPRO069
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6.
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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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7.
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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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8.
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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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9.
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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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10.
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Bunch-by-bunch Position and Angle Stabilisation at ATF based on Sub-micron Resolution Stripline Beam Position Monitors
/ Blaskovic Kraljevic, Neven (Oxford U., JAI) ; Bett, Douglas (CERN) ; Bodenstein, Ryan (Oxford U., JAI) ; Bromwich, Talitha (Oxford U., JAI) ; Burrows, Philip (Oxford U., JAI) ; Christian, Glenn (Oxford U., JAI) ; Davis, Michael (Oxford U., JAI) ; Perry, Colin (Oxford U., JAI) ; Ramjiawan, Rebecca (Oxford U., JAI)
A low-latency, sub-micron resolution stripline beam position monitoring (BPM) system has been developed and tested with beam at the KEK Accelerator Test Facility (ATF2), where it has been used to drive a beam stabilisation system. The fast analogue front-end signal processor is based on a single-stage radio-frequency down-mixer, with a measured latency of 16 ns and a demonstrated single-pass beam position resolution of below 300 nm using a beam with a bunch charge of approximately 1 nC. [...]
CERN-ACC-2016-144.-
2016 - 3 p.
- Published in : 10.18429/JACoW-IPAC2016-THPOR034
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR034
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