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All CERN Accelerators documents

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2026-04-02
04:22
Seeding of Self-Modulation using Truncated Seed Bunches as a Path to High Gradient Acceleration / AWAKE Collaboration
This manuscript proposes a method to enable controlled high-gradient particle acceleration when requiring self-modulation of the drive bunch. [...]
arXiv:2603.29472. - 8.
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2026-04-01
06:19
Coupling local and global rf feedback loops for macroparticle tracking simulations / Karlsen-Baeck, B E (Rome U. ; CERN) ; Argyropoulos, T (CERN) ; Flowerdew, J (CERN) ; Intelisano, L (CERN) ; Karpov, I (CERN) ; Lasheen, A (CERN) ; Timko, H (CERN)
Radio frequency (rf) control loops are vital components for the optimal operation of rf systems in synchrotron particle accelerators. Modeling these systems in macroparticle tracking simulations provides improved understanding of the complex interaction between the control loops, the beam-induced voltages in the rf cavities, and the circulating beam. [...]
2026 - 18 p. - Published in : Phys. Rev. Accel. Beams 29 (2026) 032802 Fulltext: PDF;

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2026-04-01
06:18
Development of radiation-tolerant beam imaging via multimode fiber and synthetic data-driven machine learning / Xu, Q (Cockcroft Inst. Accel. Sci. Tech. ; CERN ; U. Liverpool (main)) ; Zhang, H D (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Trad, G (CERN) ; Hill, A (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Roncarolo, F (CERN) ; Welsch, C P (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main))
Transverse beam profile monitoring in high-radiation areas is challenging due to camera degradation. A proposed solution employs a multimode fiber (MMF) to relay optical signals from the radiation zone to a shielded area, where a standard CMOS camera can operate safely. [...]
2026 - 12 p. - Published in : Phys. Rev. Accel. Beams 29 (2026) 032801 Fulltext: PDF;

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2026-04-01
06:18
AC Loss Measurement and Validation of an HTS Soldered Stack Cable for Accelerator Magnets / Duda, M (PSI, Villigen) ; Sotnikov, D (PSI, Villigen) ; Araujo, D (PSI, Villigen) ; Auchmann, B (CERN) ; Brem, A (PSI, Villigen) ; Rodrigues, H Garcia (PSI, Villigen) ; Hanhart, T W (Twente U., Enschede) ; Kario, A (Twente U., Enschede) ; Kosse, J (PSI, Villigen) ; Otten, S (Twente U., Enschede) et al.
This work explores the use of a double-pancake coil for validating electromagnetic numerical models of HTS cables. We present a cost-effective and rapid production method using 3D- printed plastic formers. High-temperature superconducting (HTS) REBCO tapes are a promising solution for high-field magnets, par- ticularly in accelerator applications, due to their ability to maintain superconducting properties in high magnetic field and high critical current density. [...]
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 5901705 Fulltext: PDF; External link: Fulltext

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2026-04-01
06:17
Gridless Quasistatic Model for Efficient Simulation of Plasma-based Accelerators / Pousa, Ángel Ferran (DESY) ; Hertog, Wilbert M den (U. Santiago de Compostela (main)) ; Diederichs, Severin (DESY ; CERN) ; de la Ossa, Al berto Martinez (DESY) ; Carrasco, Jorge L Ordóñez (Carlos III U., Madrid) ; Sinn, Alexander (DESY) ; Thévenet, Maxence (DESY)
The accurate modeling of plasma-based accelerators relies on costly numerical simulations due to the complexity of laser-plasma and beam-plasma interactions. [...]
arXiv:2603.16623. - 2026 - 13.
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2026-04-01
06:17
Synchrotron radiation leveling at future circular hadron colliders / Zimmermann, Frank (CERN)
Luminosity leveling to limit the event pile up is a key ingredient of the LHC luminosity upgrade, the High-Luminosity LHC (HL-LHC). [...]
arXiv:2603.08923. - 2026 - 13.
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2026-04-01
06:17
Application of HTS Straight Soldered Stack Cable in Subscale Magnet Geometry / Sotnikov, D (PSI, Villigen) ; Araujo, D (PSI, Villigen) ; Auchmann, B (PSI, Villigen ; CERN) ; Duda, M (PSI, Villigen) ; Lindner, C (PSI, Villigen) ; Stampfli, A (PSI, Villigen) ; Ballarino, A (CERN)
High-temperature superconducting (HTS) cables of- fer a promising opportunity for high-field magnet applications. However, the exact technology stack that would lead to accelerator- quality magnets is as yet not consolidated. A vigorous design- build-test cycle is required to evaluate the potential of different approaches. [...]
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4606305 Fulltext: PDF; External link: Fulltext

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2026-03-26
14:17
Technical specification of the direct-current transformers (DCCTS) to be used in the LEP main ring power converters (110 A - 600 A)
CERN-LEP-Spec-85-**-PC LEP-PC-AD-cb ; I-1379-H-LEP. - mult..

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2026-03-26
14:06
Technical specification - The burden cards for the direct-current transformers (DCCTS) to be used in the LEP main ring power converters
CERN-LEP-Spec-85-**-PC LEP-PC-AD-cb ; Y-I-8457-LEP. - mult..

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2026-03-26
06:11
Study of the Run-3 muon flux at the SND@LHC experiment / SND@LHC Collaboration
Long-range muons produced in proton-proton collisions at the ATLAS interaction point constitute the primary background for neutrino interaction searches at the SND@LHC experiment. [...]
arXiv:2603.21878. - 11.
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