2025-05-20
12:55 |
Stability of Three- and Four-Body Coulomb Systems
/ Martin, Andre (CERN ; Annecy, LAPP)
We discuss the stability of three- and four-particle system interacting by pure Coulomb interactions, as a function of the masses and charges of the particles. We present a certain number of general properties which allow to answer a certain number of questions without or with less numerical calculations..
Boston : Birkhäuser Boston, MA, 2004 - 13 p.
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2025-05-20
06:04 |
Design and qualification of a ceramic insulating break for ITER In-Vessel Coils
/ Macioce, Davide (Euratom, St. Paul Lez Durance) ; Vostner, Alexander (Euratom, St. Paul Lez Durance) ; Aguinaga, Cristina Jimenez ; Mitxelena, Xabier Gomez ; Gomez, Miguel Angel Lagos ; Salazar, Igor Rueda (ESS, Bilbao) ; Ruiz, Roberto San Martín (ESS, Bilbao) ; Santillana, Ignacio Aviles (CERN)
•A ceramic insulating break was qualified for the ITER In-Vessel Coils.•Dedicated tests were successfully conducted on vacuum brazed and welded joints.•All prototypes successfully passed lifetime tests like fatigue test and erosion test.•The ceramic insulating breaks (IB) are ready to be fabricated for final installation. The ITER In-Vessel Coils (IVC) are water-cooled coils, composed by a mineral-insulated copper conductor, enclosed in a stainless-steel jacket. [...]
2025 - 6 p.
- Published in : Fusion Eng. Des. 216 (2025) 115112
In : 33rd Symposium on Fusion Technology, Dublin, Ireland, 23 - 27 Sep 2024, pp.115112
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2025-05-20
06:04 |
Advances in magnet and shielding designs for fusion and high energy physics applications
/ Giannini, L (Unlisted, DE) ; Luongo, C (Unlisted, DE) ; Bottura, L (CERN) ; Bordini, B (CERN) ; Lechner, A (CERN) ; Kolehmainen, A (CERN) ; Leichtle, D (KIT, Karlsruhe, TTP) ; Portone, A (Virginia Tech.) ; Testoni, P (Virginia Tech.) ; Bajari, J (Unlisted, DE) et al.
This paper introduces the work scope of a collaboration among EUROfusion, CERN, and F4E to create models and design tools applicable both for fusion devices and muon accelerator magnets. The study described here is motivated by the commonality in challenges to design magnets and radiation shields applicable to compact fusion machines to serve as neutron source, and future high-energy physics experiments such as the muon collider or high intensity neutrino factories. [...]
2025 - 5 p.
- Published in : Fusion Eng. Des. 214 (2025) 114899
In : 33rd Symposium on Fusion Technology, Dublin, Ireland, 23 - 27 Sep 2024, pp.114899
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2025-05-20
06:04 |
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2025-05-20
04:04 |
Isovector axial and pseudoscalar form factors from twisted mass lattice QCD at the physical point
/ Alexandrou, Constantia (Cyprus U. ; Cyprus Inst.) ; Bacchio, Simone (Cyprus Inst.) ; Constantinou, Martha (Temple U.) ; Finkenrath, Jacob (CERN) ; Frezzotti, Roberto (INFN, Rome) ; Kostrzewa, Bartosz (Bonn U., ITKP) ; Koutsou, Giannis (Cyprus Inst.) ; Spanoudes, Gregoris (Cyprus U.) ; Urbach, Carsten (Bonn U., ITKP)
We present the isovector axial, induced pseudoscalar, and pseudoscalar form factors of the nucleon using three twisted-mass fermion ensembles with degenerate up- and down-, strange-, and charm-quarks with masses tuned to their physical values (physical point). The three ensembles have lattice spacing $a$=0.08, 0.068, and 0.057 fm and approximately equal physical volume allowing for the continuum limit to be taken at the physical point. [...]
arXiv:2502.07583.-
2025-02-10 - 10 p.
- Published in : PoS LATTICE2024 (2025) 330
Fulltext: 2502.07583 - PDF; document - PDF;
In : 41st International Symposium on Lattice Field Theory (Lattice 2024), Liverpool, United Kingdom, 20 Jul - 3 Aug 2024, pp.330
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2025-05-17
06:55 |
TlCl:Be,I: A High Sensitivity Scintillation and Cherenkov Radiator for TOF-PET
/ Kratochwil, Nicolaus (CERN ; UC, Davis) ; Kaneshige, Nathaniel (Everett Comm. Coll.) ; Terragni, Giulia (CERN ; TU Vienna) ; Cala, Roberto (CERN ; INFN, Milan Bicocca) ; Schott, Jared (Everett Comm. Coll.) ; Loef, Edgar van (Everett Comm. Coll.) ; Pandian, Lakshmi Soundara (Everett Comm. Coll.) ; Roncali, Emilie (UC, Davis) ; Glodo, Jaroslaw (Everett Comm. Coll.) ; Auffray, Etiennette (CERN) et al.
The material requirements for gamma-ray detectors for medical imaging applications are multifold and sensitivity is often overlooked. High effective atomic number (Z eff ) Cherenkov radiators have raised the attention in the community due to their potential for harvesting prompt photons. [...]
2025 - 8 p.
- Published in : IEEE Trans. Rad. Plasma Med. Sci. 9 (2025) 296-303
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2025-05-17
06:55 |
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2025-05-17
06:55 |
Helicopter Turboshaft Engines’ Neural Network System for Monitoring Sensor Failures
/ Vladov, Serhii (Unlisted, UA) ; Ścisło, Łukasz (Cracow Tech. U.) ; Szczepanik-Ścisło, Nina (Cracow Tech. U. ; CERN) ; Sachenko, Anatoliy (Unlisted, UA) ; Perzyński, Tomasz (Unlisted, PL) ; Vasylenko, Viktor (Unlisted, UA) ; Vysotska, Victoria (Lviv Polytechnic Inst. ; Osnabruck U.)
An effective neural network system for monitoring sensors in helicopter turboshaft engines has been developed based on a hybrid architecture combining LSTM and GRU. This system enables sequential data processing while ensuring high accuracy in anomaly detection. [...]
2025 - 36 p.
- Published in : Sensors 25 (2025) 990
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2025-05-17
06:55 |
Neural Network Method of Controllers’ Parametric Optimization with Variable Structure and Semi-Permanent Integration Based on the Computation of Second-Order Sensitivity Functions
/ Vladov, Serhii (Unlisted, UA) ; Scislo, Lukasz (Cracow Tech. U.) ; Szczepanik-Ścisło, Nina (Cracow Tech. U. ; CERN) ; Sachenko, Anatoliy (Unlisted, UA ; Unlisted, PL) ; Vysotska, Victoria (Unlisted, UA)
This article presents a method for researching processes in automatic control systems based on the operator approach for modelling the control object and the controller. Within the method framework, a system of equations has been developed that describes the relations between the control error, the reference and control action, the output coordinate and the controller and the control object operators. [...]
2025 - 30 p.
- Published in : Appl. Sciences 15 (2025) 2586
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2025-05-17
06:55 |
Impact of the drift length on the performance of MR-ToF devices
/ Maier, F M (CERN ; Greifswald U. ; TRIUMF ; Unlisted, US) ; Buchinger, F (McGill U.) ; Costa, B Arderucio (Troy U.) ; Heylen, H (CERN) ; Kanitz, C (CERN) ; Kwiatkowski, A A (TRIUMF) ; Lagaki, V (CERN ; Greifswald U.) ; Lechner, S (CERN) ; Leistenschneider, E (CERN ; LBNL, Berkeley) ; Neyens, G (CERN ; Leuven U.) et al.
Multi-Reflection Time-of-Flight (MR-ToF) devices are powerful tools for high-precision mass spectrometry, highly selective and high-flux mass separation as well as, most recently, for highly sensitive laser spectroscopic applications. In this work, various ion-optical simulations are conducted to provide insights into optimizing the design of the MR-ToF apparatus to enhance performance across its diverse application fields. [...]
2025
- Published in : Nucl. Instrum. Methods Phys. Res., A 1075 (2025) 170365
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