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CERN Document Server 找到 16 筆記錄  1 - 10下一個  跳到記錄: 檢索需時 0.58 秒. 
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SRF / heterodyne cavity applications for axion searches / Ellis, Sebastian (speaker) (SLAC National Accelerator Laboratory (US))
2025 - 1513. QTI other events or meetings; International Conference on Quantum Technologies for High-Energy Physics External links: Talk details; Event details In : International Conference on Quantum Technologies for High-Energy Physics
2.
Challenges and Opportunities of Gravitational Wave Searches above 10 kHz / Aggarwal, Nancy (Northwestern U.) ; Aguiar, Odylio D. (Sao Jose, INPE) ; Blas, Diego (Barcelona, IFAE ; ICREA, Barcelona) ; Bauswein, Andreas (Darmstadt, GSI) ; Cella, Giancarlo (INFN, Pisa) ; Clesse, Sebastian (Brussels U.) ; Cruise, Adrian Michael (Birmingham U.) ; Domcke, Valerie (CERN) ; Ellis, Sebastian (Geneva U.) ; Figueroa, Daniel G. (Valencia U., IFIC) et al.
The first direct measurement of gravitational waves by the LIGO and Virgo collaborations has opened up new avenues to explore our Universe. [...]
arXiv:2501.11723 ; CERN-TH-2025-014 ; DESY-25-007.
- 138.
Fulltext
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Dielectric Haloscopes as Gravitational Wave Detectors / Domcke, Valerie (CERN) ; Ellis, Sebastian A.R. (Geneva U., Dept. Theor. Phys.) ; Kopp, Joachim (CERN ; Mainz U.)
We argue that dielectric haloscopes like MADMAX, originally designed for detecting axion dark matter, are also very promising gravitational wave detectors. Operated in resonant mode at frequencies around $\mathcal{O}(10\,\text{GHz})$, these detectors benefit from enhanced gravitational wave to photon conversion at the surfaces of a stack of thin dielectric disks. [...]
arXiv:2409.06462; CERN-TH-2024-151.- 2025-02-01 - 8 p. - Published in : Phys. Rev. D 111 (2025) 035031 Fulltext: PDF;
4.
Magnets are Weber Bar Gravitational Wave Detectors / Domcke, Valerie (CERN) ; Ellis, Sebastian A.R. (Geneva U., Dept. Theor. Phys.) ; Rodd, Nicholas L. (LBL, Berkeley ; UC, Berkeley)
When a gravitational wave (GW) passes through a DC magnetic field, it couples to the conducting wires carrying the currents which generate the magnetic field, causing them to oscillate at the GW frequency. [...]
CERN-TH-2024-132 ; arXiv:2408.01483.
- 20 p.
Fulltext
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Resonant Conversion of Wave Dark Matter in the Ionosphere / Beadle, Carl (Geneva U.) ; Caputo, Andrea (CERN) ; Ellis, Sebastian A.R. (Geneva U.)
We consider resonant wave-like dark matter conversion into low-frequency radio waves in the Earth's ionosphere. Resonant conversion occurs when the dark matter mass and the plasma frequency coincide, defining a range $m_{ \text{DM} } \sim 10^{-9} - 10^{-8}$ eV where this approach is best suited. [...]
arXiv:2405.13882.- 2024-12-17 - 11 p. - Published in : Phys. Rev. Lett. 133 (2024) 251001 Fulltext: 2405.13882 - PDF; Publication - PDF;
6.
Lighting up the Dark on the Quantum Tabletop / Ellis, Sebastian (speaker) (Universite de Geneve (CH))
Several open questions in particle physics could be addressed through the observation of extremely weakly coupled signals. In this talk, we will explore how tabletop(-ish) experiments operating at or near the so-called "quantum limit" can search for such signals. [...]
2024 - 4128. Theory Colloquia External link: Event details In : Lighting up the Dark on the Quantum Tabletop
7.
SRF cavities / Ellis, Sebastian (speaker) (Universite de Geneve (CH))
2023 - 1919. TH institutes; Ultra-high frequency gravitational waves: where to next ? External links: Talk details; Event details In : Ultra-high frequency gravitational waves: where to next ?
8.
Quadratic Coupling of the Axion to Photons / Beadle, Carl (Geneva U., Dept. Theor. Phys.) ; Ellis, Sebastian A.R. (Geneva U., Dept. Theor. Phys.) ; Quevillon, Jérémie (LPSC, Grenoble ; CERN) ; Hoa Vuong, Pham Ngoc (DESY)
We show that the QCD axion couples to the electromagnetic kinetic term at one loop. The result is that if axions make up dark matter, they induce temporal variation of the fine structure constant $\alpha$, which is severely constrained. [...]
arXiv:2307.10362; CERN-TH-2023-136; DESY-23-097.- 2024-08-01 - 5 p. - Published in : Phys. Rev. D 110 (2024) 035019 Fulltext: PDF;
9.
Snowmass Theory Frontier: Astrophysics and Cosmology / Green, Daniel (UC, San Diego) ; Ruderman, Joshua T. (New York U., CCPP) ; Safdi, Benjamin R. (UC, Berkeley) ; Shelton, Jessie (Illinois U., Urbana) ; Achucarro, Ana (Leiden U.) ; Adshead, Peter (Illinois U., Urbana) ; Akrami, Yashar (Case Western Reserve U. ; Imperial Coll., London) ; Baryakhtar, Masha (Washington U., Seattle) ; Baumann, Daniel (Taiwan, Natl. Taiwan U. ; U. Amsterdam, GRAPPA) ; Berlin, Asher (Fermilab) et al.
We summarize progress made in theoretical astrophysics and cosmology over the past decade and areas of interest for the coming decade. [...]
arXiv:2209.06854 ; FERMILAB-PUB-22-721-T.
- 57.
Fermilab Library Server - Fulltext - Fulltext
10.
Novel Tests of Dark Matter in Stellar Physics / Ellis, Sebastian (speaker)
2022 - 1840. Conferences & Workshops; Second EuCAPT Annual Symposium External links: Talk details; Event details In : Second EuCAPT Annual Symposium

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