CERN Accelerating science

Video Lectures

Senast inlagda poster:
2021-02-23
15:07
Illuminating Antimatter: the ALPHA antihydrogen experiment at CERN / Hangst, Jeffrey Scott (speaker) (Aarhus University (DK))
The ALPHA experiment at the Antiproton Decelerator is unique in its combined ability to produce, trap, and study atoms of antihydrogen - the simplest anti-atom. The Standard Model requires that hydrogen and antihydrogen have the same spectrum [...]
2021 - 1:16:24. EP Seminar External link: Event details In : Illuminating Antimatter: the ALPHA antihydrogen experiment at CERN

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2021-02-22
10:42
Towards GAMBIT 2.0 / Kvellestad, Anders (speaker) (University of Oslo)
The Global and Modular Beyond-the-standard-model Inference Tool (GAMBIT) is an open-source framework for performing BSM global fits. In this talk I will give update on recent and ongoing developments in GAMBIT. [...]
2021 - 0:32:37. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:42
Constraining Electroweakinos in the Minimal Dirac Gaugino Model / Reyes-González, Humberto (speaker) (University of Genoa)
Supersymmetric models with Dirac gauginos, instead of Majorana, are known to have distinctive phenomenological properties. Concretely, in the Minimal Dirac Gaugino Supersymmetric Standard Model (MDGSSM) the electroweakino sector is characterized by an enriched spectrum with a total of 6 neutralinos and 4 charginos exhibiting naturally small mass splittings and thus, yielding a frequent presence of scenarios with Long Lived Particles (LLPs). In this talk, we explore the electroweakino sector of the MDGSSM on the light of dark matter (DM) and collider constraints. [...]
2021 - 0:15:28. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:37
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Direct Detection of Dark Matter: Precision Predictions in a Simplified Model Framework / Borschensky, Christoph (speaker) (University of Tübingen)
We present a calculation of the next-to-leading order QCD corrections for the scattering of Dark Matter particles off nucleons in the framework of simplified models with $s$- and $t$-channel mediators. These results are matched to the Wilson coefficients and operators of an effective field theory that is generally used for the presentation of experimental results on spin-independent and spin-dependent direct detection rates. Detailed phenomenological studies illustrate the complementary reach of collider searches for Dark Matter and the direct detection experiments CRESST and XENON. [...]
2021 - 0:24:20. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:37
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EWino searches in CheckMate and $(g-2)_\mu$ in the MSSM / Chakraborti, Manimala (speaker)
We implemented (and validated) the most recent searches for EWinos in the MSSM into CheckMate. These newly included search results are crucial for the interpretation of the anomalous magnetic moment of the muon. [...]
2021 - 0:15:40. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:37
Exploring Multilepton Signatures From Dark Matter at the LHC / Freegard, Arran Charles (speaker) (Queen Mary University of London (GB))
While overwhelming cosmological evidences point to the existence of Dark Matter (DM), only its gravitational interaction has been experimentally confirmed. Limitations on the most general mono-X DM signature at colliders motivate searches beyond this. [...]
2021 - 0:23:01. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:37
Type-III Seesaw: Phenomenological Implications of the Information Lost in Decoupling from High-Energy to Low-Energy / Ashanujjaman, Saiyad (speaker) (Institute of Physics, Bhubaneswar)
The type-III seesaw seems to explain the very minuteness of neutrino masses readily and naturally. The high-energy see-saw theories usually involve a larger number of effective parametres than the physical and measurable parametres appearing in the low-energy neutrino phenomenology. [...]
2021 - 0:16:49. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:37
Recasting searches for pp -> A(H) -> ZH(A) -> l+l- bb (and other processes) onto 2HDM parameter spaces / Semlali, Souad (speaker)
To extract more information from new physics searches at the LHC, we examine an experimental analysis of $A$ production followed by its $ZH$ decay into $l^+l^- b\bar b$ ($l=e,\mu$). The original search, from the ATLAS Collaboration, was performed at Run 2 with 36.1 fb$^{-1}$ of luminosity. This talk presents the outcome of reinterpreting it as a $pp\to H\to ZA \to l^+l^-$ search, in the presence of the latest experimental and theoretical constraints, in the context of all standard 2-Higgs Double Model (2HDM) types, so as to test the true sensitivity of LHC to this Beyond Standard Model (BSM) scenario at present and in the future. [...]
2021 - 0:22:19. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-22
10:16
Contur tutorial / Butterworth, Jonathan (speaker) (UCL) ; Habedank, Martin (speaker) (Humboldt University of Berlin (DE))
2021 - 0:47:37. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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2021-02-19
10:20
Elevenses over MadAnalysis 5 / Araz, Jack (speaker) (IPPP - Durham University)
A brief tutorial on recasting capabilities of MadAnalysis 5 with an extended Q&A; session..
2021 - 0:37:46. LPCC Workshops; (Re)interpreting the results of new physics searches at the LHC External links: Talk details; Event details In : (Re)interpreting the results of new physics searches at the LHC

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