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CERN Document Server 516 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.83 sekúnd. 
1.
Search for solar axions produced through the axion-electron coupling $g_{ae}$ using a new GridPix detector at CAST / CAST Collaboration
We present a search for solar axions produced through the axion-electron coupling $(g_{ae})$ using data from a novel 7-GridPix detector installed at the CERN Axion Solar Telescope (CAST). [...]
arXiv:2505.05909. - 21.
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2.
Daily modulations and broadband strategy in axion searches: An application with the CAST-CAPP detector / Caspers, F. (ESI, Archamps ; CERN) ; Adair, C.M. (British Columbia U.) ; Altenmüller, K. (Zaragoza U.) ; Anastassopoulos, V. (Patras U.) ; Cuendis, S. Arguedas (CERN) ; Baier, J. (Freiburg U.) ; Barth, K. (CERN) ; Belov, A. (Unlisted) ; Bozicevic, D. (Rijeka U.) ; Bräuninger, H. (Garching, Max Planck Inst., MPE) et al.
It has been previously advocated that the presence of the daily and annual modulations of the axion flux on the Earth's surface may dramatically change the strategy of the axion searches. The arguments were based on the so-called Axion Quark Nugget (AQN) dark matter model which was originally put forward to explain the similarity of the dark and visible cosmological matter densities $\Omega_{\rm dark}\sim \Omega_{\rm visible}$. [...]
arXiv:2405.10972.- 2025-04-15 - 18 p. - Published in : Phys. Rev. D 111 (2025) 082009 Fulltext: PDF;
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3.
II.5 - Superconducting RF cavities / Caspers, Fritz (CERN) ; Calatroni, Sergio (CERN)
The application of superconducting materials in RF cavities has gained a huge interest in the particle accelerator field over the last five decades. In particular, the accelerating gradients have been increased considerably due to progress in the understanding of the limiting factors at the beginning. [...]
2024 - 70 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1085-1154 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1085-1154 (CERN-2024-003)
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4.
Mesure de l’impedance longitudinale : Du prototype no 2 du capteur de position magnetique / Battisti, S ; Caspers, F ; Williams, D J
CERN-PS-LPI-Note-85-04.- Geneva : CERN, 1985 - 19 p. Fulltext: PDF;
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5.
Impedance measurements for the pumping holes in the LHC liner / Caspers, F ; Jensen, E ; Ruggiero, F
CERN-PS-92-24-RF-AR; CERN-SL-92-15-DI; CERN-LHC-Note-186.- Geneva : CERN, 1992 - 4 p. Fulltext: PDF;
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6.
Experience with Beam Transfer Function Measurements for Setting-up the Stochastic Cooling System in the CERN Anti-Proton Decelerator (AD) / Rey, Stephane (CERN) ; Bastos, Wilker (CERN) ; Caspers, Fritz (CERN) ; Dupuy, Bruno (CERN) ; Gamba, Davide (CERN) ; Höfle, Wolfgang (CERN) ; Louwerse, Reinier (CERN)
Beam transfer function measurements have regularly been used to set-up the adjustable parameters for stochastic cooling systems. We report on the automation of these measurements at CERN that permit efficient set-up of the cooling loops in the anti-proton decelerator (AD) and enables insight into the bandwidth (nominal frequency range of 850 MHz to 1.7 GHz) of the overall system for the longitudinal, horizontal and vertical cooling at the two different beam momenta of 2 GeV/c and 3.5 GeV/c. [...]
2024 - 4 p. - Published in : JACoW COOL 2023 (2024) THPOSRP22 Fulltext: PDF;
In : 14th International Workshop on Beam Cooling and Related Topics (COOL '23), Montreux, Switzerland, 8 - 13 Oct 2023, pp.THPOSRP22
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7.
Active EMI Compensation for High Power Pulsed Kicker Systems in Particle Accelerators / Stadlbauer, Tobias (CERN) ; Caspers, Fritz (European Scientific Institute (FR))
Particle accelerators at CERN and worldwide use fast pulsed magnet systems (kickers) for beam injection, extraction, and disposal. [...]
CERN-ACC-NOTE-2024-0016. - 2024.
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8.
New Upper Limit on the Axion-Photon Coupling with an Extended CAST Run with a Xe-Based Micromegas Detector / CAST Collaboration
Hypothetical axions provide a compelling explanation for dark matter and could be emitted from the hot solar interior. The CERN Axion Solar Telescope (CAST) has been searching for solar axions via their back conversion to X-ray photons in a 9-T 10-m long magnet directed towards the Sun. [...]
arXiv:2406.16840.- 2024-11-27 - 9 p. - Published in : Phys. Rev. Lett. 133 (2024) 221005 Fulltext: 2406.16840 - PDF; Publication - PDF;
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9.
Cable Measurement Methods for Kicker Systems / Stadlbauer, Tobias (CERN) ; Caspers, Fritz (European Scientific Institute (FR))
Precise measurement of the characteristic impedance and insertion loss of kicker cables are important to guarantee the required kicker system performance. [...]
CERN-ACC-NOTE-2023-0022. - 2023. - 46 p.
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10.
A broadband slotline pick-up / Caspers, F
CERN-PS-AA-ACOL-Note-32.- Geneva : CERN, 1985 - 17 p. Fulltext: PDF;
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CERN Document Server : 516 záznamov nájdených   1 - 10ďalšíkoniec  skoč na záznam:
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