CERN Accelerating science

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2019-11-18
14:23
A quadrupole magnet of large acceptance / Wilson, E J N
CERN-MPS-EP-29.
- 1962.
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2019-11-16
04:03
Transverse Beam Stability with Low-Impedance Collimators in the High Luminosity Large Hadron Collider: Status and Challenges / Antipov, S.A. (CERN) ; Amorim, D. (CERN) ; Biancacci, N. (CERN) ; Carideo, E. (CERN) ; Mereghetti, A. (CERN) ; Métral, E. (CERN) ; Redaelli, S. (CERN) ; Salvant, B. (CERN)
he High-Luminosity upgrade of the Large Hadron Collider (HL-LHC) will double its beam intensity for the needs of High Energy Physics frontier. [...]
arXiv:1910.09974.
- 10 p.
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2019-11-16
04:03
Design and operation of the air-cooled beam dump for the extraction line of CERN's Proton Synchrotron Booster (PSB) / Perillo-Marcone, Antonio (CERN) ; Calviani, Marco (CERN) ; Solieri, Nicola (CERN) ; Kaiser, Paul (CERN) ; Sarrio, Alba (CERN) ; Venturi, Valentina (CERN) ; Vlachoudis, Vasilis (CERN)
A new beam dump has been designed, built, installed and operated to withstand the future proton beam extracted from the Proton Synchrotron Booster (PSB) in the framework of the LHC Injector Upgrade (LIU) Project at CERN, consisting of up to 1E14 protons per pulse at 2 GeV, foreseen after the machine upgrades planned for CERN's Long Shutdown 2 (2019-2020). [...]
arXiv:1910.08493.
- 18 p.
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2019-11-15
06:29
Conceptual Design of the FCC-hh Dipole Circuits With Integrated CLIQ Protection System / Prioli, Marco (CERN ; INFN, Milan) ; Auchmann, Bernhard (CERN ; PSI, Villigen) ; Bortot, Lorenzo (CERN) ; Maciejewski, Michał (CERN ; Lodz U. Tech. (main)) ; Salmi, Tiina (Tampere U. of Tech.) ; Verweij, Arjan (CERN)
The Future Circular Collider (FCC-hh) project is a conceptual study whose goal is to design the successor of the Large Hadron Collider, increasing the collision energy from 14 to 100 TeV. The energy stored in the 16-T superconducting dipole magnets and the length of the sectors composing the 100-km FCC tunnel are considerably larger than those in present accelerators. [...]
2019 - 9 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4703309

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2019-11-15
06:29
The CLIQ Quench Protection System Applied to the 16 T FCC-hh Dipole Magnets / Prioli, Marco (CERN ; INFN, Milan) ; Salmi, Tiina (Tampere U. of Tech.) ; Auchmann, Bernhard (CERN ; PSI, Villigen) ; Bortot, Lorenzo (CERN) ; Maciejewski, Michal (CERN ; Lodz U. Tech. (main)) ; Verweij, Arjan (CERN) ; Caiffi, Barbara (INFN, Genoa) ; Farinon, Stefania (INFN, Genoa) ; Lorin, Clement (Saclay) ; Segreti, Michel (Saclay) et al.
Part of the Future Circular Collider (FCC-hh) study is dedicated to the development of the 16 Tesla ${\rm Nb_3Sn}$superconducting dipole magnets. The design of the magnets was enabled by a cooperative effort of national research institutes, universities, and CERN. [...]
2019 - 9 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4703209

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2019-11-15
06:29
An MgB- Superconducting Shield Prototype for the Future Circular Collider Septum Magnet / Barna, Daniel (Wigner RCP, Budapest ; CERN) ; Giunchi, Giovanni (Edison SpA, Milan) ; Novák, Martin (Wigner RCP, Budapest) ; Brunner, Kristof (Wigner RCP, Budapest) ; Német, Aniko (Wigner RCP, Budapest) ; Petrone, Carlo (CERN) ; Atanasov, Miroslav (CERN) ; Bajas, Hugues (CERN) ; Feuvrier, Jerome (CERN)
A passive superconducting shield was previously proposed to realize a high-field (above 3 T) septum magnet for the Future Circular Collider proton–proton ring (FCC-hh). This paper presents the experimental results of a potential shield material, MgB$_2$, at a temperature of 4.2 K. [...]
2019 - 10 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4101310

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2019-11-15
05:00
The XBPF, a new multipurpose scintillating fibre monitor for the measurement of secondary beams at CERN / Ortega Ruiz, I. (CERN) ; Fosse, L. (CERN) ; Franchi, J. (CERN) ; Frassier, A. (CERN) ; Fullerton, J. (CERN) ; Kral, J. (CERN) ; Lauener, J. (CERN) ; Schneider, T. (CERN) ; Tranquille, G. (CERN)
The Beam Instrumentation group at CERN has developed a new scintillating fibre beam monitor for the measurement of secondary particle beams in the CERN Experimental Areas. [...]
arXiv:1910.12519.
- 15 p.
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2019-11-14
11:23
Processing of Bi-2212 high temperature superconducting wires / Doerrer, Christopher (Hochschule Esslingen)
Bi-2212 high temperature superconductors can be used for producing very high magnetic fields. They are studied at CERN for potential use in accelerator magnets [...]
CERN-THESIS-2015-477.- 63 p. Fulltext: CERN-THESIS-2015-477_2 - PDF; CERN-THESIS-2015-477 - PDF; External link: Approve this document (restricted)

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2019-11-13
11:23
LHeC optics with β∗ = 10 cm and L∗ = 15 m / Cruz Alaniz, Emilia (University of Liverpool (GB)) ; Martin, Roman ; Tomas Garcia, Rogelio (CERN)
New proton optics have been designed for LHeC taking into account new final focus magnet designs and ensuring a full compatibility with HL-LHC version 1.3. [...]
CERN-ACC-NOTE-2019-0049.
- 2019. - 17 p.
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2019-11-13
09:45
Optics-measurement-based Beam Position Monitor Calibration. / Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES))
Accurate measurements of the focusing properties of an accelerator are essential for proper operation of a synchrotron, both for the machine protection and for the performance of the experiment. Measurement of linear optics functions based on turn-by-turn measurements has been developed continuously in pursuit of more accurate results. [...]
CERN-THESIS-2019-211.- 153 p. Fulltext: PDF; External link: Approve this document (restricted)

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