CERN Accelerating science

Scientific Seminars and Workshops

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2025-07-15
14:11
Where sample statistics matter: ATLAS improves searches for rare Higgs boson decays with the large Run 3 data set / Liu, Kun (speaker) (Tsung-Dao Lee Institute, Shanghai Jiao Tong University)
The decays of the Higgs boson into rare decay channels like H→Zγ→ℓℓγ and H→μμ are very challenging due to their small branching ratios and large backgrounds. The first decay, H→Zγ→ℓℓγ, is sensitive to potential BSM effects since SM contributions are loop-suppressed [...]
2025 - 3572. LHC Seminar External link: Event details In : Where sample statistics matter: ATLAS improves searches for rare Higgs boson decays with the large Run 3 data set

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2025-07-15
14:11
Searching for Sub-GeV Dark Matter (TH BSM institute) / Dolan, Matthew (speaker) (University of Melbourne)
Direct detection of sub-GeV mass dark matter which scatters off nuclei has long been challenging due to loss of experimental sensitivity in this region of parameter space. However, sensitivity can be regained by exploiting the Migdal effect: the ionisation or excitation of atomic electrons after a nuclear scattering event [...]
2025 - 3701. Theory Colloquia External link: Event details In : Searching for Sub-GeV Dark Matter (TH BSM institute)

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2025-07-08
15:12
Examining the nucleosynthesis process and the inner nuclei structure with (anti)hypernuclei with ALICE at the LHC / Ditzel, Janik (speaker) (Goethe University Frankfurt (DE))
Hypernuclei are bound states of nucleons and hyperons. The measurement of the production of hypernuclei with mass number A=3 and 4 in heavy-ion colli- sions is a powerful tool to investigate the mechanism of the nucleosynthesis [...]
2025 - 2602. LHC Seminar External link: Event details In : Examining the nucleosynthesis process and the inner nuclei structure with (anti)hypernuclei with ALICE at the LHC

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2025-07-08
11:32
Cryogenic Readout Electronics / Charbon, Edoardo (speaker) (EPFL)
The core of a quantum computer or a quantum sensor is generally an array of qubits or quantum detectors and classical electronics for its control; it operates on the qubits/detectors with nanosecond latency and a very low noise. Classical electronics is generally operating at room temperature, however recently, we have proposed that it moves closer to the qubits/detectors and operates at cryogenic temperatures to improve compactness and reliability [...]
2025 - 4138. Detector Seminar External link: Event details In : Cryogenic Readout Electronics

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2025-07-04
15:24
Pushing the Limits: Advanced SiC Detectors for Operation in Harsh Environments / Pellegrini, Giulio (speaker) (Centro Nacional de Microelectrónica (IMB-CNM-CSIC) (ES))
Silicon carbide (SiC) detectors are emerging as key components for radiation monitoring in extreme environments, including ultra-high dose rate (UHDR) FLASH radiotherapy, nuclear physics, high energy physics and  plasma diagnostic in fusion reactors. This talk will present the technological development and characterization of SiC p–n diodes for UHDR dosimetry and neutron detection [...]
2025 - 3939. Detector Seminar External link: Event details In : Pushing the Limits: Advanced SiC Detectors for Operation in Harsh Environments

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2025-07-04
09:44
Naturalness and its Discontents / Arkani-Hamed, Nima (speaker) (IAS)
2025 - 2396. Conferences, Workshops & Schools; GianFest External links: Talk details; Event details In : GianFest

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2025-07-03
11:26
Superradiant Interactions of Cosmic Relics (TH BSM institute) / Dimopoulos, Savas (speaker) (Stanford University)
In this talk, I will describe three things. First, I will outline the conditions under which the interaction rate of inelastic processes that change the internal state of a system of N targets scales N^2. This is an effect distinct from coherent elastic scattering, but with the same scaling [...]
2025 - 4955. Theory Colloquia External link: Event details In : Superradiant Interactions of Cosmic Relics (TH BSM institute)

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2025-07-01
15:22
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Cornering natural supersymmetry using ultra-soft signatures at CMS / Bein, Samuel Louis (speaker) (Universite Catholique de Louvain (UCL) (BE))
Results from the CMS experiment are presented for natural supersymmetry (SUSY) targeting so-called compressed scenarios, namely models with very small mass differences among the SUSY partners. Such models pose unique experimental challenges, including for triggering, offline selection, and background treatment [...]
2025 - 3667. LHC Seminar External link: Event details In : Cornering natural supersymmetry using ultra-soft signatures at CMS

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2025-07-01
11:57
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Gian and the Golden ‘90s / Dimopoulos, Savas (speaker) (Stanford University)
2025 - 2222. Conferences, Workshops & Schools; GianFest External links: Talk details; Event details In : GianFest

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2025-07-01
11:56
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Remarks / Giudice, Gian (speaker) (CERN)
2025 - 1178. Conferences, Workshops & Schools; GianFest External links: Talk details; Event details In : GianFest

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