2024-04-16
06:50 |
Interlock Super Agent : Enhancing Machine Efficiency and Performance at CERN’s Super Proton Synchrotron
/ Veyrunes, Eric (CERN) ; Asko, Anti (CERN) ; Trad, Georges (CERN) ; Wenninger, Jorg (CERN)
In the CERN Super Proton Synchrotron (SPS), finding the source of an interlock signal has become increasingly unmanageable due to the complex interdependencies between the agents in both the beam interlock system (BIS) and the software interlock system (SIS). This often leads to delays, with the inefficiency in diagnosing beam stops impacting the overall performance of the accelerator. [...]
2023 - 3 p.
- Published in : JACoW ICALEPCS 2023 (2023) TUPDP103
Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TUPDP103
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2024-04-12
06:14 |
Early Fire Detection in High Power Equipment
/ Pavis, Steven (CERN) ; Carlier, Etienne (CERN) ; Lolliot, Christophe (CERN) ; Magnin, Nicolas (CERN)
Very early fire detection in equipment cabinets containing high power supply sources and power electronic switching devices is needed when building and tunnel fire detection systems may not be well placed to detect a fire until it is well established. Highly sensitive aspirating smoke detection systems which continuously sample the air quality inside equipment racks and give local power interlock in the event of smoke detection, are capable of cutting the source of power to these circuits at a very early stage, thereby preventing fires before they become fully established. [...]
2023 - 5 p.
- Published in : JACoW ICALEPCS 2023 (2023) TUPDP096
Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.TUPDP096
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2024-04-11
11:49 |
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2024-04-05
14:26 |
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2024-04-05
04:48 |
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Interpretation of the horizontal beam response near the third integer resonance
/ Cortés García, E.C. (DESY ; Darmstadt, GSI) ; Niedermayer, P. (Darmstadt, GSI) ; Singh, R. (Darmstadt, GSI) ; Taylor, R. (CERN ; Imperial Coll., London) ; Feldmeier, E. (Heidelberg U.) ; Hun, M. (Heidelberg U.) ; Benedetto, E. (Unlisted, CH) ; Haberer, T. (Heidelberg U.)
The beam response to an external periodic excitation delivers relevant information about the optics, tune distribution and stability of a circulating beam in a storage ring. [...]
arXiv:2404.02576.
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2024-04-04
12:17 |
X-Ray Absorption Spectroscopy to Investigate Precipitated Oxides in Nb3Sn Wires With an Internal Oxygen Source
/ Bovone, G (Geneva U.) ; Buta, F (Geneva U.) ; Lonardo, F (Geneva U.) ; Bonura, M (Geneva U.) ; Borca, C N (PSI, Villigen) ; Huthwelker, T (PSI, Villigen) ; Hopkins, S C (CERN) ; Ballarino, A (CERN) ; Boutboul, T (CERN) ; Senatore, C (Geneva U.)
Internal oxidation can achieve significantly enhanced Jcin Nb3Sn wires, but the mechanism of oxygen transport and oxide precipitation is not fully understood. Our investigation employs X-ray Absorption Near-Edge Structure (XANES) spectroscopy, revealing insights into the oxidation of Zr and its interaction with oxygen in different areas of the wire cross section. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 6000205
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2024-04-03
14:53 |
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2024-04-03
06:43 |
Influence of the Heat Treatment on the Layer JC of Internal-Sn Nb3Sn Wires With Internally Oxidized Nanoparticles
/ Lonardo, F (Geneva U.) ; Bovone, G (Geneva U.) ; Buta, F (Geneva U.) ; Bonura, M (Geneva U.) ; Bagni, T (Geneva U. ; Uppsala U.) ; Medina-Clavijo, B (CERN) ; Ballarino, A (CERN) ; Hopkins, S C (CERN) ; Boutboul, T (CERN) ; Senatore, C (Geneva U.)
We evaluated various heat treatments (HT) for maximizing the Nb3Sn layer thickness while retaining a refined grain microstructure in low filament count internal-Sn Nb3Sn Rod-In-Tube wires with internally oxidized nanoparticles. These wires were manufactured in our laboratory using SnO2as oxygen source and Nb alloys containing Ta and Zr or Hf. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 6000305
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2024-03-27
10:24 |
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2024-03-27
08:55 |
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