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Beam Instrumentation Challenges for FCC-ee
/ Wendt, Manfred (CERN) ; Carideo, Emanuela (CERN) ; Härer, Bastian (KIT, Karlsruhe, IPE) ; Iriso, Ubaldo (CELLS - ALBA, LLS) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Mitsuhashi, Toshiyuki (Sokendai, Tsukuba) ; Müller, Anke-Susanne (KIT, Karlsruhe, IPE) ; Niehues, Gudrun (KIT, Karlsruhe, IPE) ; Reißig, Micha (KIT, Karlsruhe, IPE) et al.
For the accelerator-based future of high energy physics at the energy frontier, CERN started to investigate a 92 km circumference Future Circular Collider (FCC), as e⁺/e⁻ collider the FCC-ee will operate at beam energies up to 182.5 GeV. Beside the machine operational aspects, beam instrumentation will play a key role in verifying and optimizing the machine to achieve the ambitious beam parameters and quality. [...]
2023 - 10 p.
- Published in : JACoW eeFACT 2022 (2023) 208-217
Fulltext: PDF;
In : 65th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2022), INFN, Frascati, Italy, 12 - 16 Sep 2022, pp.208-217
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2.
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ebook
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3.
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Design and Performance of Coronagraph for Beam Halo Measurements in the LHC
/ Goldblatt, Aurelie (CERN) ; Bravin, Enrico (CERN) ; Mitsuhashi, Toshiyuki (KEK, Tsukuba) ; Roncarolo, Federico (CERN) ; Trad, Georges (CERN)
The CERN Large Hadron Collider is equipped with two Beam Synchrotron Radiation systems (BSR), one per beam. These systems are used to monitor the transverse distribution of the beam, its longitudinal distribution and the abort gap population. [...]
2017 - 4 p.
- Published in : 10.18429/JACoW-IBIC2016-MOPG74
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.MOPG74
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4.
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Beam Size Measurements Using Interferometry at LHC
/ Trad, Georges (CERN) ; Bravin, Enrico (CERN) ; Goldblatt, Aurelie (CERN) ; Mazzoni, Stefano (CERN) ; Mitsuhashi, Toshiyuki (KEK, Tsukuba) ; Roncarolo, Federico (CERN)
During the long LHC shutdown 2013-2014, both the LHC and its injector chain underwent significant upgrades. The most important changes concerned increasing the maximum LHC beam energy from 4TeV to 6.5TeV and reducing the transverse emittance of the beam from the LHC injectors. [...]
2017 - 6 p.
- Published in : 10.18429/JACoW-IBIC2016-WEBL02
Fulltext: PDF;
In : International Beam Instrumentation Conference, Barcelona, Spain, 11 - 15 Sep 2016, pp.WEBL02
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5.
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6.
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Design of Coronagraph for the Observation of Beam Halo at LHC
/ Mitsuhashi, Toshiyuki (KEK, Tsukuba) ; Bravin, Enrico (CERN) ; Jones, Owain Rhodri (CERN) ; Roncarolo, Federico (CERN) ; Schmickler, Hermann (CERN) ; Trad, Georges (CERN)
In the LHC, the beam halo due to higher beam energy and intensities will increase the impact on LHC machine protection and on luminosity performance. Measurement of the beam halo distribution is therefore important for understanding and controlling the beam halo. [...]
2016 - 5 p.
- Published in : 10.18429/JACoW-IBIC2015-TUCLA03
Fulltext: PDF;
In : International Beam Instrumentation Conference , Melbourne, Australia, 13 - 17 Sep 2015, pp.TUCLA03
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7.
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Performance of the Upgraded Synchrotron Radiation Diagnostics at the LHC
/ Trad, Georges (CERN) ; Bravin, Enrico (CERN) ; Goldblatt, Aurélie (CERN) ; Mazzoni, Stefano (CERN) ; Mitsuhashi, Toshiyuki (KEK, Tsukuba) ; Roncarolo, Federico (CERN)
During the LHC long shut down in 2014, the transverse beam size diagnostics based on synchrotron radiation was upgraded in order to cope with the increase of the LHC beam energy to 6.5 TeV. The wavelength used for imaging was shifted to near ultra-violet to reduce the contribution of diffraction to the system resolution, while in parallel, a new diagnostic system based on double slit interferometry was installed to measure the beam size by studying the spatial coherence of the emitted synchrotron radiation. [...]
CERN-ACC-2016-278.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-MOPMR030
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMR030
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8.
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Conceptual Design for SR Monitor in the FCC Beam Emittance (Size) Diagnostic
/ Mitsuhashi, Toshiyuki (KEK, Tsukuba) ; Oide, Katsunobu (KEK, Tsukuba) ; Zimmermann, Frank (CERN)
A conceptual design for emittance diagnostics through a beam size measurement using the synchrotron radiation (SR) is studied for the FCC. For the FCC-ee, a X-ray interferometer is propose to measure a nano-radian order vertical beam size. [...]
CERN-ACC-2016-318.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-MOPMB022
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.MOPMB022
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9.
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Beam dynamics issues in the FCC
/ Zimmermann, Frank (CERN) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; Bruce, Roderik (CERN) ; Bruning, Oliver (CERN) ; Buffat, Xavier (CERN) ; Burkart, Florian (CERN) ; Burkhardt, Helmut (CERN) ; Calatroni, Sergio (CERN) ; Cerutti, Francesco (CERN) et al.
The international Future Circular Collider (FCC) study is designing hadron, lepton and lepton-hadron colliders based on a new 100 km tunnel in the Geneva region. The main focus and ultimate goal of the study are high luminosity proton-proton collisions at a centre-of-mass energy of 100 TeV, using 16 T Nb$_{3}$Sn dipole magnets. [...]
CERN-ACC-2016-0101.-
Geneva : CERN, 2016 - 6 p.
- Published in : 10.18429/JACoW-HB2016-WEAM5X01
Fulltext: PDF; External link: Fulltext
In : 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Malmo, Sweden, 3 - 8 Jul 2016, pp.WEAM5X01
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10.
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Achievements of KEKB
/ Abe, Tetsuo (KEK, Tsukuba) ; Akai, Kazunori (KEK, Tsukuba) ; Akasaka, Norimasa (KEK, Tsukuba) ; Akemoto, Mitsuo (KEK, Tsukuba) ; Akiyama, Atsuyoshi (KEK, Tsukuba) ; Arinaga, Mitsuhiro (KEK, Tsukuba) ; Cai, Yunhai (SLAC) ; Ebihara, Kiyokazu (KEK, Tsukuba) ; Egawa, Kazumi (KEK, Tsukuba) ; Enomoto, Atsushi (KEK, Tsukuba) et al.
The machine commissioning of KEKB started in December 1998 and its operation was terminated at the end of June 2010 to upgrade KEKB to SuperKEKB. In this paper, we summarize the history of KEKB and show the achievements made there..
2013
- Published in : Prog. Theor. Exp. Phys. 2013 (2013) 03A001
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