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1.
Identification of low-momentum muons in the CMS detector using multivariate techniques in proton-proton collisions at $ \sqrt{s} = $ 13.6 TeV / CMS Collaboration
``Soft'' muons with a transverse momentum below 10 GeV are featured in many processes studied by the CMS experiment, such as decays of heavy-flavor hadrons or rare tau lepton decays. [...]
CMS-MUO-24-001 ; CERN-EP-2024-325 ; arXiv:2412.17590 ; CMS-MUO-24-001-003.
- 2024
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext
2.
Constraints on standard model effective field theory for a Higgs boson produced in association with W or Z bosons in the H $ \to \mathrm{b}\overline{\mathrm{b}} $ decay channel in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A standard model effective field theory (SMEFT) analysis with dimension-six operators probing nonresonant new physics effects is performed in the Higgs-strahlung process, where the Higgs boson is produced in association with a W or Z boson, in proton-proton collisions at a center-of-mass energy of 13 TeV. [...]
arXiv:2411.16907 ; CMS-HIG-23-016 ; CERN-EP-2024-294 ; CMS-HIG-23-016-004.
- 2024 - 63.
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData - Fulltext - Fulltext
3.
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. [...]
CERN-TH-2024-151 ; arXiv:2409.06462.
- 8.
Fulltext
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
5.
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.
Axion Dark Matter / Adams, C.B. (Columbia U.) ; Aggarwal, N. ; Agrawal, A. (Chicago U.) ; Balafendiev, R. (ITMO U., St. Petersburg) ; Bartram, C. (Washington U., Seattle) ; Baryakhtar, M. (Washington U., Seattle) ; Bekker, H. (Helmholtz Inst., Mainz ; Mainz U.) ; Belov, P. (ITMO U., St. Petersburg) ; Berggren, K.K. (MIT) ; Berlin, A. (Fermilab) et al.
Axions are well-motivated dark matter candidates with simple cosmological production mechanisms. [...]
arXiv:2203.14923 ; FERMILAB-CONF-22-996-PPD-T.
- 96.
eConf - Fermilab Library Server - Fulltext - Fulltext
10.
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

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18 Ellis, S
21 Ellis, S C
21 Ellis, S C
75 Ellis, S D
1 Ellis, S J
2 Ellis, S.A.R.
6 Ellis, S.D.
1 Ellis, Scott
1 Ellis, Scott R
1 Ellis, Sean
8 Ellis, Sebastian
9 Ellis, Sebastian A R
4 Ellis, Sebastian A. R.
9 Ellis, Sebastian A.R.
1 Ellis, Sebastina
5 Ellis, Simon
3 Ellis, Simon C
2 Ellis, Spencer
11 Ellis, Stephen D
3 Ellis, Stephen D.
1 Ellis, Steve
1 Ellis, Steven P
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