CERN Accelerating science

All CERN Accelerators documents

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2024-02-19
13:41
Optical readout of MicroPattern Gaseous Detectors with SiPMs / Woods, Jesse
In order to probe the universe for new and exciting physics, increasingly higher and higher energy scales must be accessed to test our theories, potentially uncovering new particles and interactions. [...]
CERN-STUDENTS-Note-2024-004.
- 2022.
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2024-02-17
21:59
Short Summaries of the ATS Seminars in 2023 / Metral, Elias (CERN) ; Dallocchio, Alessandro (CERN) ; Modena, Michele (CERN) ; Stora, Thierry (CERN)
Four ATS seminars took place in 2023 (https://ats.web.cern.ch/indico-events/1). [...]
CERN-ACC-NOTE-2024-0003.
- 2024. - 13 p.
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2024-02-16
15:33
Parameter ranges for a chain of rapid cycling synchrotrons for a muon collider complex / Chance, Antoine (IRFU, Saclay) ; Amorim, David (CERN) ; Batsch, Fabian (CERN) ; Boattini, Fulvio (CERN) ; Bottura, Luca (CERN) ; Carli, Christian (CERN) ; Damerau, Heiko (CERN) ; Grudiev, Alexej (CERN) ; Karpov, Ivan (CERN) ; Métral, Elias (CERN) et al.
A facility for a muon collider brings the big advantages of a compact lepton collider and a collision energy up to several TeV, well above the energy reach of conventional electron circular accelerators.However, the short lifetime of muons drives the design of the accelerator complex and collider, which makes this complex unique. A high muon survival rate and luminosity requires an extremely fast energy increase in combination with intense and ultra-short bunches. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) MOPL162 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL162

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2024-02-16
15:33
Comparison of tracking codes for beam-matter interaction / Stechauner, B (CERN ; TU Vienna) ; Fol, E (CERN) ; Latina, A (CERN) ; Schulte, D (CERN) ; Rogers, C (Rutherford) ; Schieck, J (TU Vienna ; Vienna, OAW)
The interaction of particle beams with materials is important for muon colliders, as it causes particle scattering, energy loss and energy-straggling processes. Such interactions are also relevant in high-precision applications such as radiation oncology treatment planning, where the beam travels through air before reaching the patient, and are also the crucial mechanism for ionization cooling processes, such as those required for generating high-brightness beams for muon colliders. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) MOPL165 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL165

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2024-02-16
15:33
A Demonstrator for Muon Ionisation Cooling / Rogers, Chris (Rutherford)
The muon collider is an excellent prospect as a multi-TeV lepton collider, with the possibility for high luminosity and reaching 10 TeV or more. In order to realise such luminosity, high beam brightness is required. [...]
2023 - 5 p. - Published in : Phys. Sci. Forum 8 (2023) 37 Fulltext: PDF;
In : 23rd International Workshop on Neutrinos from Accelerators (NuFact 2022), Snowbird, Salt Lake City, Utah, United States, 30 Jul - 6 Aug 2022, pp.37

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2024-02-16
15:33
Prospects of a future multi-TeV muon collider / Casarsa, Massimo (INFN, Trieste) /Muon Collider Collaboration
A multi-TeV muon collider is a discovery machine and an invaluable tool for many new standard model precision measurements such as the shape of the Higgs boson potential. The update of the European Strategy for Particle Physics recognized the unique opportunity of a muon collider to reach the energy frontier, despite the challenges to produce intense collimated muon beams. [...]
2022 - 6 p. - Published in : SciPost Phys. Proc. 8 (2022) 061 Fulltext: PDF;
In : XXVIII International Workshop on Deep-Inelastic Scattering and Related Subjects, Online, Online, 12 - 16 Apr 2021, pp.061

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2024-02-15
11:55
LHC MD 6945: Injection Power Transients / Karlsen-Baeck, Birk Emil (Sapienza Universita e INFN, Roma I (IT)) ; Argyropoulos, Theodoros (CERN) ; Butterworth, Andy (CERN) ; Calaga, Rama (CERN) ; Damerau, Heiko (CERN) ; Dlugosz, Dominika Agnieszka ; Karpov, Ivan (CERN) ; Timko, Helga (CERN) ; Zampetakis, Michail (CERN)
This note summarizes the procedure and results from the RF MD that was performed to study power transients and klystron saturation at injection. [...]
CERN-ACC-NOTE-2024-0002.
- 2024. - 12 p.
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2024-02-14
15:04
Design and implementation of a new Controller for CERN’s sub-ppm stable Current source / Nappi, Valerio
This work describes the design and development of the controller of the CERN DCTT Calibrator (CDC), a critical component in the power converter controls system in CERN’s facilities [...]
CERN-THESIS-2023-335 - 134 p.


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2024-02-13
17:24
Hierarchical Reinforcement Learning to control the AWAKE Electron Beamline / Rodriguez Mateos, Borja
New generation particle accelerators are increasingly more complex and have more stringent re- quirements on parameter quality and efficiency [...]
CERN-THESIS-2023-333 - 69 p.


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2024-02-13
06:01
Luminosity measurement at muon collider / Giraldin, Carlo (Padua U.) ; Buonincontri, Laura (Padua U. ; INFN, Padua) ; Dosselli, Umberto (INFN, Padua) ; Lucchesi, Donatella (INFN, Padua ; Padua U.) ; Sestini, Lorenzo (INFN, Padua)
The precise determination of the luminosity in a collider is of crucial importance for any physics cross sections measurement since it directly translates to the precision of the cross section determination. In a muon collider high intensity beams are necessary to achieve the target luminosity, and due to the muon decay they generate very high fluxes of particles that arrive to the detector. Ad-hoc shielding structure has been designed to mitigate the effect of the beam-induced background on the detector located in the backward and forward regions. Therefore, the instrumentation for the measurement of the luminosity can not be placed, as in the LHC experiments, in these regions. In this paper an alternative way to determine such a fundamental parameter is proposed, taking inspiration from flavour factories such as Belle2 and BESIII, where the luminosity is measured by counting $e^+$ $e^-$ $\rightarrow$ $e^+$ $e^-$ Bhabha events, whose cross section is theoretically known with high precision. At muon collider the large angle muon Bhabha ($\mu^+$ $\mu^-$ $\rightarrow$ $\mu^+$ $\mu^-$) events are used, and here the first results on the precision obtained at 1.5 TeV center of mass energy by using full detector simulation, taking into account the beam-induced background effects, are presented..
2021 - 5 p. - Published in : PoS LHCP2021 (2021) 341 Fulltext: PDF;
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, GB, 7 - 12 Jun 2021, pp.341

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