Conveners
Special Technologies: FCC-hh kickers and septa
- Toru Ogitsu
Special Technologies: FCC-ee and HE-LHC beam dump system concepts, FCC-ee beam vacuum challenges
- Daniel Barna (Hungarian Academy of Sciences (HU))
Special Technologies: FCC beam dumps and machine protection
- Tiina-Mari Salmi (Tampere University, Finland)
Special Technologies: FCC beam diagnostics and radiation environment
- Ilya Agapov (DESY (DE))
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Martin Istvan Novak26/06/2019, 08:30FCC accelerator technologiesPresentation
For the extraction of the proton beam from the FCC-hh ring with a compact system, a septum magnet with a magnetic field of at least 3 Tesla is desired. In one of the proposals this device would be realized by the combination of a passive superconducting shield and a dedicated special magnet based on the canted cosine theta concept. After the encouraging tests with different shield prototypes a...
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Kei SUGITA (GSI)26/06/2019, 08:50FCC accelerator technologiesPresentation
A novel high field septum magnet with truncated cosine theta concept is a key component of FCC. Due to extreme high beam rigidity of FCC, an adequate high field superconducting septum magnet is required to construct the extraction beam line with a reasonable length. By utilizing NbTi technology, a cross section and mechanical design concept for the coil-end of a 4 T septum magnet was presented...
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Thomas Kramer (CERN)26/06/2019, 09:10FCC accelerator technologiesPresentation
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Agnieszka Chmielinska (EPFL - Ecole Polytechnique Federale Lausanne (CH))26/06/2019, 09:30FCC accelerator technologiesPresentation
The injection kicker system for the Future Circular Collider (FCC-hh) must satisfy demanding requirements. To achieve low pulse ripple and fast field rise and fall times, the injection system will use ferrite loaded transmission line type magnets. The beam coupling impedance of the kicker magnets is crucial, as this can be a dominant contribution to beam instabilities. In addition, interaction...
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Mr Roberto Kersevan (CERN)26/06/2019, 13:30FCC accelerator technologiesPresentation
The FCC-ee vacuum system design presents several challenges, stemming from various technical specifications, namely its sheer unprecedented size, a twin-ring design (contrary to LEP's single-ring), and the fact that it needs to accommodate both a low-energy/high-current and high-energy/low-current machines. Another important challenge is the need to condition the various machines in as short...
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Aisha Saba (CNR-SPIN)26/06/2019, 13:50FCC accelerator technologiesPresentation
The Future Circular Collider (FCC-hh) study is focused on achieving a 100TeV center-of-mass energy through the collision of proton beams steered by superconducting magnets cooled at 1.9 K in a 100 km circular collider. The circulating high-energy proton beams in the accelerator will emit 28W/m/beam of synchrotron radiation and to improve cryogenic efficiency, a beam screen, operating at 50 K...
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Patrick Krkotic (Cells)26/06/2019, 14:10FCC accelerator technologiesPresentation
We are investigating high-temperature superconducting coated conductors (HTS-CCs) as an optional coating material for the beam screen of the FCC-hh, in order to reduce the beam coupling impedance. We focus on the use of shielded Hakki-Coleman resonators to validate the rf performance stemming several key test requirements: design, temperature, magnetic field and power. In our past work, we...
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Artur Romanov (Consejo Superior de Investigaciones Cientificas (CSIC) (ES))26/06/2019, 14:30FCC accelerator technologiesPresentation
In the foreseen Future Circular Collider-hh operating conditions of 40-60K, 16T and 0-1GHz proton bunch frequency, the intended Cu coating of the beam screen might not guarantee an impedance sufficiently low for a stable beam. This motivates the exploration of high-temperature superconducting coated conductors (CC) as an alternative coating.
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In this contribution, we present the surface... -
Thomas Kramer (CERN)27/06/2019, 13:30FCC accelerator technologiesPresentation
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Armen Apyan27/06/2019, 13:50FCC accelerator technologiesPresentation
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Christoph Wiesner (CERN)27/06/2019, 14:10FCC accelerator technologiesPresentation
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Simone Gilardoni (CERN)27/06/2019, 14:30FCC accelerator technologiesPresentation
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Tom Dodington (CERN)27/06/2019, 15:30FCC accelerator technologiesPresentation
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Thibaut Lefevre (CERN)27/06/2019, 15:50FCC accelerator technologiesPresentation
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Arjan Verweij (CERN)27/06/2019, 16:10FCC accelerator technologiesPresentation
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Francesco Cerutti (CERN)27/06/2019, 16:30FCC accelerator technologiesPresentation