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2021-11-25
13:50
Probing the properties of neutrinos and the mechanism behind the baryon asymmetry / Harz, Julia (speaker) (Technical University of Munich (TUM))
With neutrino oscillations pointing us towards massive neutrinos, they are a clear hint towards physics beyond the standard model. With a bright and diverse landscape of current and future experiments, novel approaches are being developed to probe the nature and interactions of neutrinos [...]
2021 - 1:14:42. Theory Colloquia External link: Event details In : Probing the properties of neutrinos and the mechanism behind the baryon asymmetry

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2021-11-23
16:38
Recent searches for Higgs boson pair-production at ATLAS / Leney, Katharine (speaker) (Southern Methodist University (US))
Since the discovery of the Higgs boson by the ATLAS and CMS Collaborations in 2012, a major focus in particle physics has been understanding its interactions.  Tremendous progress has been made in determining the strength of the Higgs bosons couplings to fermions and vector bosons, but its self‐interaction has yet to be established.  Understanding the Higgs self‐coupling and the form of the potential function of the Higgs field will allow us to explore why the Higgs boson acquires a vacuum expectation value, and, critically, whether we live in a stable universe.  The most natural way to probe the Higgs self‐interaction is via searches for Higgs boson pair‐production, HH.     The latest ATLAS HH searches reported in this seminar bring substantial improvements over previous results.  In the case of non-resonant HH searches, results are interpreted both in terms of sensitivity to the Standard Model and as limits on the Higgs boson self-coupling.  Search results on new resonances decaying into pairs of Higgs bosons are also reported. The seminar will take place in "hybrid format" with the speaker present in-person in the Filtration Plant (222/R-001). Note that the occupancy is currently limited to 40 people due to hygiene rules.  If you want to attend in person you must register. LHC Seminar - ATLAS: https://cern.zoom.us/j/66372351754?pwd=WFBORm12VWUwcG1ReUdBcXo3TXJxQT09
2021 - 1:01:22. LHC Seminar External link: Event details In : Recent searches for Higgs boson pair-production at ATLAS

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2021-11-22
13:35
Introduction / Petit, Stephan (speaker) (CERN)
2021 - 0:01:03. Events for the CERN-based community; Ghost Particle | CERN only External links: Talk details; Event details In : Ghost Particle | CERN only

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2021-11-22
12:10
Applying Quantum Technology to Problems in Particle Physics / Grabowska, Dorota Maria (speaker) (CERN)
TH colloquia: https://cern.zoom.us/j/67346292748?pwd=ZnRkQWh0ZXVFQTc5K256QW5NcEcrdz09
2021 - 1:02:26. Theory Colloquia External link: Event details In : Applying Quantum Technology to Problems in Particle Physics

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2021-11-17
09:36
First Results from MicroBooNE’s Low Energy Excess Search / Caratelli, David (speaker) (UC Santa Barbara)
MicroBooNE is a neutrino experiment that utilizes a liquid argon time projection chamber (LArTPC) located on-axis in the Booster Neutrino Beam (BNB) at Fermilab. One of the experiment’s main goals is to search for excess low-energy electromagnetic-like events as seen by the MiniBooNE experiment, located just downstream of MicroBooNE in the BNB [...]
2021 - 1:04:33. EP Seminar External link: Event details In : First Results from MicroBooNE’s Low Energy Excess Search

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2021-11-11
09:17
Dark Matter Day | Journée internationale sur la matière noire
VERA Ce que nous ne voyons pas Une création entre arts et sciences, entre danse, théâtre et cosmologie présentée par Charlotte Philippe, Margot Bain et le comédien Gabriel Perez, imaginée avec la complicité scientifique de Sandrine Schlögel (Cosmologiste, membre de l’association PhiloCité) Le spectacle « Vera, ce que nous ne voyons pas » est né du souhait de la Compagnie Hallet Eghayan de mettre en place une ligne artistique autour de la thématique « Les femmes de science ». Cette forme hybride - danse et théâtre - s'est construite autour de la vie et l'oeuvre de la cosmologiste Vera C. Rubin. Comment une femme, dans un monde dominé par les hommes, réussit à pénétrer dans l'institution de manière officielle mais aussi à révéler l'hypothèse de la matière noire ? Imaginer, faire voir par les mots et les corps, divaguer dans les confins des galaxies à la lumière des enjeux contemporains pour l’art, pour la science et pour la société ; telle est la quête à laquelle ont voulu s’atteler les artistes pour ce spectacle. Spectacle en français | Durée de la pièce : 1h10 Information importante : un certificat COVID valide en Suisse et une pièce d'identité avec photo est nécessaire pour tous les visiteurs âgés de 16 ans et plus pour accéder aux événements au Globe. Seuls les certificats QR validés par l'applications suisse Covid Certificate Check seront acceptés (cliquez sur le lien pour télécharger l'app et testez votre propre certificat). Une pièce d'identité avec photo est requise pour contrôler l'identité du porteur du certificat. Vera, ce que nous ne voyons pas A creation between arts and sciences, dance, theatre and cosmology, presented by Charlotte Philippe, Margot Bain and actor Gabriel Perez, imagined with the scientific complicity of Sandrine Schlögel (Cosmologist, member of the association PhiloCité). The show "Vera, ce que nous ne voyons pas" was born from the wish of the Hallet Eghayan Company to set up an artistic line around the theme "Women of Science". [...]
2021 - 1:29:00. GLOBE - Public Events External link: Event details In : Dark Matter Day | Journée internationale sur la matière noire

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2021-11-10
16:32
Accelerating Discovery to Solve Grand Challenges / Gil, Dario (speaker) (Senior Vice President and Director of IBM Research)
For the last 60 years, the world of computing has been dominated by binary bits representing the intersection of information and mathematics. We have constantly pushed the boundaries of computation in this paradigm, with innovations in semiconductors reducing energy or increasing performance to enable more sophisticated calculations. [...]
2021 - 1:00:13. CERN Computing Colloquium External link: Event details In : Accelerating Discovery to Solve Grand Challenges

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2021-11-10
09:29
Multi-messenger astronomy with high-energy neutrinos / Franckowiak, Anna (speaker) (Ruhr-University Bochum)
Abstract:  Cosmic rays are charged particles (mainly protons) that bombard the Earth from all directions reaching energies up to 10 million times what can be archived by the most powerful man-made accelerator, the LHC. Their origin is difficult to trace, because cosmic rays are deflected by magnetic fields on their journey from their source to Earth [...]
2021 - 0:56:56. EuCAPT Virtual Colloquium External link: Event details In : Multi-messenger astronomy with high-energy neutrinos

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2021-11-08
14:11
LGADs for timing detectors at HL-LHC / Kramberger, Gregor (speaker) (Jozef Stefan Institute (SI))
The track timing detectors at HL-LHC will use Low Gain Avalanche Detectors, a technology that emerged several years ago and has attracted attention of many semiconductor producers. The intensive R&D over the past years resulted in a technology that is mature enough to cover the areas comparable to trackers [...]
2021 - 1:18:22. Detector Seminar External link: Event details In : LGADs for timing detectors at HL-LHC

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2021-11-01
09:35
New tests of lepton universality using rare B decays with $K_{S}^{0}$ mesons in the final state at LHCb / Cliff, Harry Victor (speaker) (University of Cambridge (GB))
In recent years several intriguing anomalies have been reported in the rare decays of B mesons. Most prominently, in March 2021 a measurement by LHCb of the ratio known as $R_K$ showed 3.1 standard deviation significance for the violation of lepton universality in $B^{+} \rightarrow K^{+} \ell^{+} \ell^{-}$ decays, where $\ell$ is either a muon or an electron [...]
2021 - 1:01:14. LHC Seminar External link: Event details In : New tests of lepton universality using rare B decays with $K_{S}^{0}$ mesons in the final state at LHCb

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