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1.
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Probing FCC-ee energy calibration through resonant depolarization at KARA
/ Zimmermann, Frank (CERN) ; Keintzel, Jacqueline (CERN) ; Mueller, Anke-Susanne (KIT, Karlsruhe) ; Haerer, Bastian (KIT, Karlsruhe) ; Blomley, Edmund (KIT, Karlsruhe) ; Huttel, Erhard (KIT, Karlsruhe) ; Steinmann, Johannes (KIT, Karlsruhe) ; Gethmann, Julian (KIT, Karlsruhe) ; Ruprecht, Robert (KIT, Karlsruhe) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) et al.
The FCC-ee collider physics program requires a precise determination of the center-of-mass energy. The average energies of the two colliding beams can be measured by resonant depolarization (RDP) of polarized electron and positron bunches. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPR20
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR20
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2.
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Resonant spin depolarization at the test facility KARA: overview of recent efforts
/ Blomley, Edmund (KIT, Karlsruhe) ; Müller, Anke-Susanne (KIT, Karlsruhe) ; Härer, B (KIT, Karlsruhe) ; Huttel, Erhard (KIT, Karlsruhe) ; Zimmermann, Frank (CERN) ; Keintzel, Jacqueline (CERN) ; Steinmann, Johannes (KIT, Karlsruhe) ; Gethmann, Julian (KIT, Karlsruhe) ; Ruprecht, Robert (KIT, Karlsruhe)
The Karlsruhe research accelerator KARA offers a setup to measure the beam energy with resonant spin depolarization. The depolarization is excited by the stripline kickers of the bunch-by-bunch feedback system and the resonant frequency is measured via change in Touschek lifetime. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPG51
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPG51
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3.
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Results on the FCC-hh beam screen sawtooth at the KIT electron storage ring KARA
/ Gonzalez, Luis (CERN) ; Baglin, Vincent (CERN) ; Bellafont, Ignasi (CELLS - ALBA, LLS) ; Casalbuoni, Sara (KIT, Karlsruhe) ; Chiggiato, Paolo (CERN) ; Garion, Cedric (CERN) ; Huttel, Erhard (KIT, Karlsruhe) ; Kersevan, Roberto (CERN) ; Pérez, Francis (CELLS - ALBA, LLS)
In the framework of the EuroCirCol collaboration [1] (work package 4 "Cryogenic Beam Vacuum System"), the fabrication of the FCC-hh beam screen (BS) prototype has been carried out with the aim of testing it at room temperature on the Karlsruhe Institute of Technology (KIT) 2.5 GeV electron storage ring KARA (KArlsruhe Research Accelerator) light source. The BS prototype was tested on a beamline installed by the collaboration, named as BEam Screen TEstbench EXperiment (BESTEX). [...]
CERN-ACC-2019-189.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-TUPMP036
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.TUPMP036
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4.
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Commissioning of a beam screen test bench experiment with a future circular hadron collider type synchrotron radiation beam
/ Gonzalez, L A (CERN ; Frascati) ; Gil-Costa, M (Madrid, CIEMAT ; CERN) ; Baglin, V (CERN) ; Chiggiato, P (CERN) ; Garion, C (CERN) ; Kersevan, R (CERN) ; Casalbuoni, S (KIT, Karlsruhe) ; Huttel, E (KIT, Karlsruhe) ; Bellafont, I (CELLS - ALBA, LLS) ; Perez, F (CELLS - ALBA, LLS)
Coping with synchrotron radiation (SR) that originated at superconducting bending magnets is one of the major challenges in the design of the vacuum beam pipes of hadron colliders. In the case of the Future Circular hadron Collider (FCC-hh), similarly as for the LHC, a beam screen, operating at higher temperatures than the cold mass, has been designed in order to preserve the superconducting magnet cold bores from direct synchrotron irradiation. [...]
2019 - 12 p.
- Published in : Phys. Rev. Accel. Beams 22 (2019) 083201
Fulltext from publisher: PDF;
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5.
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Results on the FCC-hh Beam Screen at the KIT Electron Storage Ring KARA
/ Gonzalez, Luis (Frascati ; CERN) ; Baglin, Vincent (CERN) ; Bellafont, Ignasi (CELLS - ALBA, LLS ; CERN) ; Casalbuoni, Sara (KIT, Karlsruhe) ; Chiggiato, Paolo (CERN) ; Garion, Cedric (CERN) ; Gil Costa, Miguel (Madrid, CIEMAT ; CERN) ; Huttel, Erhard (KIT, Karlsruhe) ; Kersevan, Roberto (CERN) ; Perez, Francis (CELLS - ALBA, LLS)
In the framework of the EuroCirCol collaboration* (work package 4 "Cryogenic Beam Vacuum System"), the fabrication of 3 FCC-hh beam-screen (BS) prototypes has been carried out with the aim of testing them at room temperature at the Karlsruhe Institute of Technology (KIT) 2.5 GeV electron storage ring KARA (KArlsruhe Research Accelerator). The 3 BS prototypes will be tested on a beamline installed by the collaboration, named as BEam Screen TEstbench EXperiment (BESTEX). [...]
2018 - 3 p.
- Published in : 10.18429/JACoW-IPAC2018-MOZGBE5
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOZGBE5
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6.
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Publication
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7.
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Non-Linear Beam Dynamics Studies of the CLIC Damping Wiggler Prototype
/ Gethmann, Julian (KIT, Karlsruhe) ; Bernhard, Axel (KIT, Karlsruhe) ; Blomley, Edmund (KIT, Karlsruhe) ; Huttel, Erhard (KIT, Karlsruhe) ; Müller, Anke-Susanne (KIT, Karlsruhe) ; Papaphilippou, Yannis (CERN) ; Papash, Alexander (KIT, Karlsruhe) ; Schedler, Manuel (KIT, Karlsruhe) ; Zisopoulos, Panagiotis (CERN) ; Zolotarev, Konstantin (Novosibirsk, IYF)
First beam dynamics studies of a damping wiggler prototype for the CLIC damping rings have been carried out at the KIT storage ring. Effects of the 2.9 T superconducting wiggler on the electron beam in the 2.5 GeV standard operation mode have been measured and compared with theoretical predictions. [...]
CERN-ACC-2017-168; CLIC-Note-1130.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-WEPIK068
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPIK068
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8.
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A CLIC Damping Wiggler Prototype at ANKA: Commissioning and Preparations for a Beam Dynamics Experimental Program
/ Bernhard, Axel (KIT, Karlsruhe, IPE) ; Bragin, Alexey (Novosibirsk, IYF) ; Casalbuoni, Sara (KIT, Karlsruhe, IPE) ; Ferracin, Paolo (CERN) ; Garcia Fajardo, Laura (CERN) ; Gerstl, Stefan (KIT, Karlsruhe, IPE) ; Gethmann, Julian (KIT, Karlsruhe, IPE) ; Grau, Andreas (KIT, Karlsruhe, IPE) ; Huttel, Erhard (KIT, Karlsruhe, IPE) ; Khrushchev, Sergey (Novosibirsk, IYF) et al.
In a collaboration between CERN, BINP and KIT a prototype of a superconducting damping wiggler for the CLIC damping rings has been installed at the ANKA synchrotron light source. On the one hand, the foreseen experimental program aims at validating the technical design of the wiggler, particularly the conduction cooling concept applied in its cryostat design, in a long-term study. [...]
CERN-ACC-2016-222; CLIC-Note-1095.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-WEPMW002
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPMW002
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9.
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Preparations for Beam Tests of a CLIC Damping Wiggler Prototype at ANKA
/ Bernhard, Axel (KIT, Karlsruhe, IPE) ; Huttel, Erhard (KIT, Karlsruhe, IPE) ; Peiffer, Peter (KIT, Karlsruhe, IPE) ; Bragin, Alexey (Novosibirsk, IYF) ; Mezentsev, Nikolai (Novosibirsk, IYF) ; Syrovatin, Vasily (Novosibirsk, IYF) ; Zolotarev, Konstantin (Novosibirsk, IYF) ; Ferracin, Paolo (CERN) ; Schoerling, Daniel (CERN)
The Compact Linear Collider (CLIC) will require ultra-low emittance electron and positron beams. The targeted emittance will be achieved by radiative damping in the CLIC damping rings. [...]
2013 - 3 p.
- Published in : (2013) , pp. TUPME005
Fulltext: PDF; External link: Published version from JACoW
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.1568
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10.
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Design of the Main Magnets of the SESAME Storage Ring
/ Milanese, A (CERN) ; Huttel, E (SESAME, Jordan) ; Shehab, M (SESAME, Jordan)
This paper describes the magnetic design of the main magnets of the SESAME storage ring. The 16 dipoles are combined function bending magnets, designed with an adjustable iron shimming scheme. [...]
CERN-ACC-2014-0275.-
Geneva : CERN, 2014 - 4 p.
Fulltext: PDF; External link: Published version from JaCoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.1292
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