CERN Accelerating science

R&D and Studies

新增:
2022-05-17
20:50
R2D2, the CEA Graded Nb$_3$Sn Research Racetrack Dipole Demonstrator Magnet / Calvelli, Valerio (IRFU, Saclay) ; Mallon, Philip (LBNL, Berkeley) ; Durante, Maria (IRFU, Saclay) ; Felice, Helene (IRFU, Saclay) ; Rochepault, Etienne (IRFU, Saclay) ; Manil, Pierre (IRFU, Saclay) ; Minier, Gilles (IRFU, Saclay) ; Rifflet, Jean-Michel (IRFU, Saclay) ; Perez, Juan (CERN)
As a part of a collaborative effort with CERN on the long road to FCC-hh, CEA is developing a 1.4 m-long single aperture short dipole demonstrator. This Nb$_3$Sn block dipole, named F2D2, is foreseen to produce 15.5 T with a 14% margin at 1.9 K, and will use a shell-based support structure. [...]
2021 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 31 (2021) 1-6

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2022-05-07
06:21
The Future Circular Collider : Its potential and lessons learnt from the LEP and LHC experiments / Myers, Stephen (CERN ; ADAM, Geneva)
As researchers seek to learn more about the fundamental nature of our universe, new generations of particle accelerators are now in development in which beams of particles collide ever more precisely and at ever higher energies. Professor Stephen Myers, former Director of Accelerators & Technology at CERN and currently Executive Chair of ADAM SA, identifies both the positive and negative lessons which future projects can learn from previous generations of accelerators. Building on the extraordinary feats of researchers in the past, his findings offer particularly important guidance for one upcoming project: the Future Circular Collider..
2022 - 2 p. - Published in : 10.32907/ro-129-2503852314 Fulltext: PDF;

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2022-05-06
12:44
First Studies of the Halo Collimation Needs in the FCC-ee / Moudgalya, Maitreyee
The Future Circular Collider, FCC-ee, is an electron-positron collider that is currently being studied and is designed to be the highest-luminosity high-energy lepton collider to date [...]
CERN-THESIS-2021-326 - 79 p.


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2022-04-09
06:16
Chapter 7: R&D; programmes oriented towards specific future facilities : Section 7.2: ILC-specific R&D; programme / Michizono, S (KEK, Tsukuba) ; Nakada, T (Ecole Polytechnique, Lausanne) ; Stapnes, S (CERN)
The International Linear Collider (ILC) is an electron-positron collider with a collision energy of 250 GeV (total length of approximately 20 km). The design study for the ILC for a collision energy of 500 GeV started in 2004, and the technical design report (TDR) was published by the Global Design Effort (GDE) international team in 2013. [...]
2022 - 4 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.235-238

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2022-04-09
06:16
Chapter 7: R&D; programmes oriented towards specific future facilities : Section 7.1: The FCC-ee R&D; programme / Benedikt, M (CERN) ; Blondel, A (KEK, Tsukuba) ; Brunner, O (CERN) ; Janot, P (CERN) ; Jensen, E (CERN) ; Koratzinos, M (MIT) ; Losito, R (CERN) ; Oide, K (KEK, Tsukuba) ; Raubenheimer, T (SLAC ; Novosibirsk, IYF) ; Zimmermann, F (CERN)
In summer 2021, the Future Circular Collider Feasibility Study was launched. The FCC-ee builds on 60 years of operating colliding beam storage rings. The design is robust and will provide high luminosity over the desired centre-of-mass energy range from 90 to 365 GeV. [...]
2022 - 6 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.229-234

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2022-04-07
06:02
How to increase the physics output per MW.h for FCC-ee? : Parameter optimization for maximum luminosity / Shatilov, D (Novosibirsk, IYF ; CERN)
The efficiency of colliders for physics is largely determined by their luminosity, while most of the energy consumed by high-energy e$^+$e$^-$ colliders is proportional to the total beam current. Thus, the energy efficiency is mainly determined by the specific luminosity that needs to be maximized. [...]
2022 - 6 p. - Published in : Eur. Phys. J. Plus 137 (2022) 159 Fulltext: PDF;
In : Focus Point on A Future Higgs & Electroweak Factory (FCC): Challenges towards Discovery, pp.159

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2022-04-06
06:09
The Superconducting Shield (SuShi) Septum Magnet Prototype / Barna, D (Wigner RCP, Budapest ; Miskolc U.) ; Borburgh, J (CERN) ; Atanasov, M (CERN) ; Kirby, G (CERN) ; Giunchi, G (Unlisted, IT) ; Kárpáti, V (Miskolc U.) ; Szűcs, M (Miskolc U.) ; Szabó, G (Miskolc U.) ; Mertinger, V (Miskolc U.)
The Future Circular Collider proton-proton ring would require a high-field septum magnet with a blade as thin as possible for the extraction of the 50 TeV proton beam from the ring. One of the two baseline concepts in the conceptual design report is the “superconducting shield” (nicknamed as SuShi) septum, utilizing a zero field cooled, passive superconducting shield in order to create a zero-field channel for the circulating beam inside the bore of a 3 Tesla canted cosine theta (CCT) type superconducting magnet. [...]
2022 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4000505

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2022-03-25
10:49
Final cooling scheme for muon colliders: a door opener for future discovery machines / Stechauner, Bernd Michael
Discovering unknown phenomena in particle physics – one of the most essential aspects of high energy physics, requires optimizing and developing high energy particle accelerators, for new discoveries [...]
CERN-THESIS-2021-304 10.34726/hss.2022.97540. - Vienna : TU Vienna, 2021-12-16. - 108 p.


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2022-03-25
08:51
Beam Optics Design, Measurement and Correction Strategies for Circular Colliders at the Energy and Luminosity Frontier / Keintzel, Jacqueline
The work presented in this thesis is driven by the motivation of improving the understanding the beam optics of existing circular colliders at the energy and luminosity frontier and aims to define parameters required for improving the measurement quality, the energy reach and the understanding of pe [...]
CERN-THESIS-2022-018 - 201 p.


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2022-02-04
12:05
Instability and Seeded Self-Modulation of a Relativistic Proton Bunch in Plasma / Batsch, Fabian
In this work, I demonstrate the existence of two distinct self-modulation (SM) regimes for a relativistic proton bunch in plasma [...]
CERN-THESIS-2021-272 - https://mediatum.ub.tum.de/?id=1625390 : mediaTUM, 2022-02-04. - 180 p.


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特辑:
PBC - Physics Beyond Colliders (61)
Future Circular Collider Documents (186)
Muon Collider study (1)