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Magnets for a Muon Collider—Needs and Plans
/ Bottura, L (CERN) ; Accettura, C (CERN) ; Amemiya, N (Kyoto U.) ; Auchmann, B (PSI, Villigen) ; Berg, J S (Brookhaven Natl. Lab.) ; Bersani, A (INFN, Genoa) ; Bertarelli, A (CERN) ; Boattini, F (CERN) ; Bordini, B (CERN) ; Borges de Sousa, P (CERN) et al.
We describe the magnet challenges for a Muon Collider, an exciting option considered for the future of particle physics at the energy frontier. Starting from the comprehensive work performed by the US Muon Accelerator Program, we have reviewed the performance specifications dictated by beam physics and the operating conditions to satisfy the accelerator needs. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 1-8
Fulltext: PDF;
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Crab Cavities for ILC
/ McIntosh, Peter (Daresbury ; Cockcroft Inst. Accel. Sci. Tech.) ; Belomestnykh, Sergey (Fermilab) ; Burt, Graeme (Lancaster U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Calaga, Rama (CERN) ; De Silva, Subashini (Jefferson Lab ; Old Dominion U. (main)) ; Delayen, Jean (Old Dominion U. ; Jefferson Lab) ; Gonin, Ivan (Fermilab) ; Khabiboulline, Timergali (Fermilab) ; Lunin, Andrei (Fermilab) ; Okugi, Toshiyuki (KEK, Tsukuba) et al.
For the 14 mrad crossing angle proposed, crab cavity systems are fundamentally anticipated for the viable operation of the International Linear Collider (ILC), in order to maximise its luminosity performance. Since 2021, a specialist development team have been defining optimum crab cavity technologies which can fulfil the operational requirements for ILC, both for its baseline centre-of-mass energy of 250 GeV, but also extending those requirements out to higher beam collision intensities. [...]
FERMILAB-CONF-23-0863-SQMS-TD.-
2023 - 9 p.
- Published in : JACoW SRF 2023 (2023) 990-998
Fermilab Library Server: PDF; Fulltext: PDF; External link: Fermilab Library Server
In : 21st International Conference on Radio-Frequency Superconductivity (SRF 2023), Grand Rapids, MI, United States, 22 - 30 Jun 2023, pp.990-998
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Development of the Directly-Sliced Niobium Material for High Performance SRF Cavities
/ Kumar, Ashish (KEK, Tsukuba) ; Araki, Hayato (KEK, Tsukuba) ; Dohmae, Takeshi (KEK, Tsukuba) ; Ito, Hayato (KEK, Tsukuba) ; Saeki, Takayuki (KEK, Tsukuba) ; Umemori, Kensei (KEK, Tsukuba) ; Yamamoto, Akira (KEK, Tsukuba ; CERN ; JAI, UK ; Oxford U.) ; Yamanaka, Masashi (KEK, Tsukuba)
For the purpose of cost reduction for the ILC, KEK has been conducting R&D; on direct sliced Nb materials such as large grain and medium grain Nb. Single-cell, 3-cell, and 9-cell cavities have been manufactured, and each has demonstrated a high-performance accelerating gradient exceeding 35 MV/m. [...]
2023 - 7 p.
- Published in : JACoW SRF 2023 (2023) 634-640
Fulltext: PDF;
In : 21st International Conference on Radio-Frequency Superconductivity (SRF 2023), Grand Rapids, MI, United States, 22 - 30 Jun 2023, pp.634-640
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Towards a Muon Collider
/ Accettura, Carlotta (CERN) ; Adams, Dean (Rutherford) ; Agarwal, Rohit (UC, Berkeley (main)) ; Ahdida, Claudia (CERN) ; Aimè, Chiara (Pavia U. ; INFN, Pavia) ; Amapane, Nicola (INFN, Turin ; Turin U.) ; Amorim, David (CERN) ; Andreetto, Paolo (INFN, Padua) ; Anulli, Fabio (INFN, Rome) ; Appleby, Robert (Manchester U.) et al.
A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon Collider Collaboration. [...]
arXiv:2303.08533; FERMILAB-PUB-23-123-AD-PPD-T.-
2023-09-26 - 118 p.
- Published in : Eur. Phys. J. C
- Published in : Eur. Phys. J. C
Fulltext: 2303.08533 - PDF; FERMILAB-PUB-23-123-AD-PPD-T - PDF; Fulltext from Publisher: PDF; External links: JLab Document Server; Fermilab Library Server
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First Operation of a Klystron Fitted with a Superconducting MgB₂ Solenoid
/ Catalán Lasheras, Nuria (CERN) ; Baig, Anisullah (Cockcroft Inst. Accel. Sci. Tech.) ; Boronat, Marça (CERN) ; Castilla, Alejandro (Cockcroft Inst. Accel. Sci. Tech.) ; Kimura, Takuji (CPI, Palo Alto) ; Kolda, Peter (CPI, Palo Alto) ; McMonagle, Gerard (CERN) ; Michizono, Shinichiro (KEK, Tsukuba) ; Syratchev, Igor (CERN) ; Yamamoto, Akira (KEK, Tsukuba)
As part of the effort to reduce the energy consumption of large research facilities using accelerators, high efficiency klystrons are being developed by CERN. However, a large fraction of the wall-plug power required to operate these klystrons is used in the focusing magnetic elements around the klystron in the form of normal conducting solenoids. [...]
2022 - 3 p.
- Published in : JACoW IPAC 2022 (2022) 3138-3140
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.3138-3140
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RF Accelerator Technology R&D: Report of AF7-rf Topical Group to Snowmass 2021
/ Belomestnykh, Sergey (Fermilab ; Stony Brook U.) ; Nanni, Emilio A. (SLAC) ; Weise, Hans (DESY) ; Baryshev, Sergey V. (Michigan State U.) ; Dhakal, Pashupati (Jefferson Lab) ; Geng, Rongli (Oak Ridge) ; Giaccone, Bianca (Fermilab) ; Jing, Chunguang (Argonne, PHY ; Euclid Techlabs, Solon) ; Liepe, Matthias (Cornell U.) ; Lu, Xueying (Argonne, PHY ; Northern Illinois U.) et al.
Accelerator radio frequency (RF) technology has been and remains critical for modern high energy physics (HEP) experiments based on particle accelerators. [...]
arXiv:2208.12368 ; FERMILAB-FN-1189-TD.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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