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The ECFA Early Career Researcher's Panel: composition, structure, and activities, 2021 - 2022
/ Alexandru Geanta, Andrei (Bucharest U.) ; Amendola, Chiara (IRFU, Saclay) ; Apolinario, Liliana (LIP, Lisbon) ; Arling, Jan-Hendrik (DESY) ; Ashkenazi, Adi (Tel Aviv U.) ; Augsten, Kamil (Prague, Tech. U.) ; Bagnaschi, Emanuele (CERN) ; Bakos, Evelin (Belgrade, Inst. Phys.) ; Barak, Liron (Tel Aviv U.) ; Bastos, Diogo (LIP, Lisbon) et al.
The European Committee for Future Accelerators (ECFA) Early Career Researcher's (ECR) panel, which represents the interests of the ECR community to ECFA, officially began its activities in January 2021. [...]
arXiv:2212.11238.
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13 p.
Fulltext
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A High-Resolution, Low-Latency, Bunch-by-Bunch Feedback System for Nano-Beam Stabilization
/ Ramjiawan, Rebecca (JAI, UK) ; Bett, Douglas (JAI, UK) ; Blaskovic Kraljevic, Neven (ESS, Lund) ; Bromwich, Talitha (Edinburgh U.) ; Burrows, Philip N (JAI, UK) ; Christian, Glenn B (Diamond Light Source) ; Perry, Colin (JAI, UK)
A low-latency, bunch-by-bunch feedback system employing high-resolution cavity Beam Position Monitors (BPMs) has been developed and tested at the Accelerator Test Facility (ATF2) at the High Energy Accelerator Research Organization (KEK), Japan. The feedback system was designed to demonstrate nanometer-level vertical stabilization at the focal point of the ATF2 and can be operated using either a single BPM to provide local beam stabilization, or by using two BPMs to stabilize the beam at an intermediate location. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 1378-1381
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.1378-1381
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Mitigation of stray magnetic field effects in CLIC with passive shielding
/ Gohil, Chetan (CERN ; JAI, UK ; Oxford U.) ; Blaskovic Kraljevic, Neven (CERN) ; Burrows, Philip (JAI, UK ; Oxford U.) ; Schulte, Daniel (CERN)
Simulations have shown the Compact Linear Collider (CLIC) is sensitive to external dynamic magnetic fields (stray fields) to the nT level. Due to these extremely tight tolerances, mitigation techniques will be required to prevent performance loss. [...]
CERN-ACC-2019-061; CLIC-Note-1181.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPGW082
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPGW082
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Measurements of stray magnetic fields at CERN for CLIC
/ Gohil, Chetan (CERN ; JAI, UK ; Oxford U.) ; Blaskovic Kraljevic, Neven (CERN) ; Burrows, Philip (JAI, UK ; Oxford U.) ; Heilig, Balázs (Unlisted, HU) ; Schulte, Daniel (CERN)
Simulations have shown that the Compact Linear Collider (CLIC) is sensitive to external dynamic magnetic fields (stray fields) to the nT level. Magnetic fields are not typically measured to this precision at CERN. [...]
CERN-ACC-2019-062; CLIC-Note-1180.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPGW081
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPGW081
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Beam orbit correction in the CLIC main linac using a small subset of correctors
/ Blaskovic Kraljevic, Neven (CERN) ; Schulte, Daniel (CERN)
Beam orbit correction in future linear colliders, such as the Compact Linear Collider (CLIC), is essential to mitigate the effect of accelerator element misalignment due to ground motion. The correction is performed using correctors distributed along the accelerator, based on the beam position monitor (BPM) readout from the preceding bunch train, with a train repetition frequency of 50 Hz. [...]
CERN-ACC-2019-142; CLIC-Note-1183.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPMP017
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPMP017
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Intra-Train Position and Angle Stabilisation at ATF Based on Sub-Micron Resolution Stripline Beam Position Monitors
/ Blaskovic Kraljevic, Neven (JAI, UK) ; Bett, Douglas (CERN) ; Bromwich, Talitha (JAI, UK) ; Burrows, Philip (JAI, UK) ; Christian, Glenn (JAI, UK) ; Perry, Colin (JAI, UK) ; Ramjiawan, Rebecca (JAI, UK)
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. [...]
2017 - 4 p.
- Published in : 10.18429/JACoW-IBIC2016-TUPG15
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.TUPG15
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Performance of Nanometre-Level Resolution Cavity Beam Position Monitors and Their Application in an Intra-Train Beam Position Feedback System
/ Blaskovic Kraljevic, Neven (JAI, UK) ; Bambade, Philip (Orsay, LAL) ; Bett, Douglas (CERN) ; Bromwich, Talitha (JAI, UK) ; Burrows, Philip (JAI, UK) ; Christian, Glenn (JAI, UK) ; Jang, Si-Won (Korea U.) ; Perry, Colin (JAI, UK) ; Ramjiawan, Rebecca (JAI, UK) ; Tauchi, Toshiaki (KEK, Tsukuba) et al.
A system of three low-Q cavity beam position monitors (BPMs), installed in the interaction point (IP) region of the Accelerator Test Facility (ATF2) at KEK, has been designed and optimised for nanometre-level beam position resolution. The BPMs have been used to provide an input to a low-latency, intra-train beam position feedback system consisting of a digital feedback board and a custom stripline kicker with power amplifier. [...]
2017 - 4 p.
- Published in : 10.18429/JACoW-IBIC2016-TUPG16
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.TUPG16
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