CERN Accelerating science

Scientific Seminars and Workshops

Letzte Einträge:
2023-03-31
16:58
An optically readout TPC for Rare Events study: The CYGNO project / Piacentini, Stefano (speaker) (Universita' di Roma, La Sapienza and INFN Roma (IT))
In recent years, there have been significant advancements in gaseous detectors, particularly Time Projection Chambers (TPCs), for detecting low-energy rare events. These detectors are sensitive to the charge released in the gas by ionizing radiation with energy deposits as low as few tens of electronvolts and also provide the topology of the ionization trail when coupled to suitable Micro Pattern Gas Detectors. [...]
2023 - 1:07:14. Detector Seminar External link: Event details In : An optically readout TPC for Rare Events study: The CYGNO project

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2023-03-31
09:18
High Power Targetry R&D program with the RaDIATE Collaboration and target perspectives in the framework of Snowmass / Pellemoine, Frederique (speaker) (Fermi National Accelerator Laboratory)
A high-power target system is a key beam element to complete future High Energy Physics (HEP) experiments.In the recent past, major accelerator facilities [1,3] have been limited in beam power not by their accelerators, but by the beam intercepting device survivability.  The target must then endure high power pulsed beam [4], leading to high cycle thermal stresses/pressures and thermal shocks. The increased beam power will also create significant challenges such as corrosion and radiation damage that can cause harmful effects on the material and degrade their mechanical and thermal properties during irradiation [...]
2023 - 1:18:18. A&T Seminar External link: Event details In : High Power Targetry R&D program with the RaDIATE Collaboration and target perspectives in the framework of Snowmass

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2023-03-30
15:45
Decoding flavour hierarchies: an essential key to physics beyond the SM / Isidori, Gino (speaker) (University of Zurich (CH))
Flavour physics represents one of the most fascinating puzzles of particle physics. I will discuss some recent developments in this field, both from a theoretical perspective and from a more phenomenological point of view. [...]
2023 - 1:19:06. Theory Colloquia External link: Event details In : Decoding flavour hierarchies: an essential key to physics beyond the SM

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2023-03-29
14:16
Quantum Gravity Bounds on 4D EFTs with Minimal Supersymmetry / Weigand, Timo (speaker) (Hamburg University)
According to the Swampland idea, quantum gravity effects put severe constraints on effective field theories beyond the usual consistency conditions from quantum field theory such as absence of gauge or gravitational anomalies. In this talk, we propose such constraints for four-dimensional N=1 supergravities based on consistency of certain axionic, or EFT, strings. [...]
2023 - 1:12:18. TH String Theory Seminar External link: Event details In : Quantum Gravity Bounds on 4D EFTs with Minimal Supersymmetry

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2023-03-29
14:15
Observation of tttt production by the CMS Collaboration / Skovpen, Kirill (speaker) (Ghent University (BE))
We report the observation of the tttt production in LHC collisions, performed on the data collected by CMS during Run2 (2016-2018). The production of tttt decays is one of the most rare processes at the LHC and among the most complex and rich signatures to study due to the large jet and lepton multiplicity in its final state. [...]
2023 - 1:03:55. LHC Seminar External link: Event details In : Observation of tttt production by the CMS Collaboration

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2023-03-23
08:54
Infinite Distance Limits and Factorization / Stout, John (speaker) (Harvard University)
Infinite distance limits in families of quantum theories are observed to enjoy a number of seemingly universal properties: they have "logarithmic" metric singularities, are always associated with weak-coupling limits, and---in quantum gravitational theories---are tied to the appearance of a tower of exponentially light fields. The goal of this talk is to explain why these features are universal. [...]
2023 - 1:13:26. TH String Theory Seminar External link: Event details In : Infinite Distance Limits and Factorization

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2023-03-21
15:41
Measurement of $R(D^*)$ with hadronic $\tau^+$ decays at $\sqrt{s}$ = 13 TeV by the LHCb collaboration / Puthumanaillam, Resmi (speaker) (University of Oxford (GB))
The ratios of branching fractions $R(D^{(*)}) = {\cal B}(B^0 \to D^{(*)}\tau \nu_{\tau})/{\cal B}(B^0 \to D^{(*)} \ell \nu_{\ell})$, with $\ell = \mu, e$, allow to test lepton flavour universality in semi-leptonic $b$-decays and have been measured by BaBar, Belle and LHCb collaborations. The measurements have attracted significant attention as the difference between the experimental world-average values of $R(D^*)$ and $R(D)$ and their theoretical prediction is at the level of three standard deviations [...]
2023 - 0:55:32. LHC Seminar External link: Event details In : Measurement of $R(D^*)$ with hadronic $\tau^+$ decays at $\sqrt{s}$ = 13 TeV by the LHCb collaboration

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2023-03-21
11:29
Neuromorphic Event-based Vision: Technology and Applications / Posch, Christoph (speaker) (Co-Founder and CTO at PROPHESEE)
Neuromorphic event-based vision is an emerging paradigm of acquisition and processing of visual information that takes inspiration from the functioning of the human vision system, attempting to recreate Nature's visual information acquisition and processing on VLSI silicon. In contrast to conventional image sensors, event vision sensors do not use a common sampling rate (=frame rate) for all pixels, but each individual pixel autonomously defines the timing of its own sampling points in response to its visual input by reacting to changes of incident light in continuous time. [...]
2023 - 1:14:57. Detector Seminar External link: Event details In : Neuromorphic Event-based Vision: Technology and Applications

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2023-03-15
17:26
Frontiers in Neutrino Astronomy / Beacom, John (speaker)
 Talk by John Beacom - Neutrino Platform Week 2023check here for more details: https://indico.cern.ch/event/1210319
2023 - 0:50:33. Theory Colloquia External link: Event details In : Frontiers in Neutrino Astronomy

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2023-03-15
11:49
Qt and Modern C++ Asynchrony, and other things, too / Voutilainen, Ville (speaker) (The Qt Company)
Qt is one of the go-to libraries for graphics and much more in C++. Graphics means messaging, messaging means concurrency - which is one of the current "construction areas" for C++. [...]
2023 - 1:21:47. CERN Computing Seminar External link: Event details In : Qt and Modern C++ Asynchrony, and other things, too

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