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CERN Accelerating science

Talks, seminars and other events

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Latest additions:
2021-04-21
13:07
Probing the lifetime frontier with the ATLAS detector / Pachal, Katherine (speaker) (Duke University (US))
New particles with macroscopic lifetimes arise naturally in many beyond-the-standard-model scenarios. Long-lived particles are predicted by models including anomaly or gravity-mediated supersymmetry-breaking scenarios, split supersymmetry, as well as models featuring exotic decays of the Higgs boson [...]
2021 - 1:05:32. LHC Seminar External link: Event details In : Probing the lifetime frontier with the ATLAS detector

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2021-04-20
11:14
Extraterrestrial Life: Are We the Sharpest Cookies in the Jar? / Loeb, Avi (speaker) (Professor of Science at Harvard University)
The search for extraterrestrial life is one of the most exciting frontiers in Astronomy. First tentative clues were identified  close to Earth in the form of the weird interstellar object `Oumuamua [...]
2021 - 1:31:14. CERN Colloquium External link: Event details In : Extraterrestrial Life: Are We the Sharpest Cookies in the Jar?

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2021-04-14
14:10
Not yet available
Material for the ATLAS 0-lepton gluino/squark search with 139/fb (incl. BDT weights!) / Uno, Kenta (speaker) (University of Tokyo (JP))
2021 - 0:44:30. LHC Re-interpretation Forum; Reinterpretation: Auxiliary Material Presentation (RAMP) kickoff meeting External links: Talk details; Event details In : Reinterpretation: Auxiliary Material Presentation (RAMP) kickoff meeting

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2021-04-13
09:15
Directorate Online Meeting - April 2021 / Gianotti, Fabiola (speaker) (CERN)
Online event  To ask questions during the meeting, follow this link: https://dg-talk-qa.web.cern.ch  Pour poser des questions durant la réunion, veuillez utiliser le lien suivant: https://dg-talk-qa.web.cern.ch Please note that the presentations will be published on this INDICO agenda after the meeting and that the recording will be available from Tuesday, 13th April.  Veuillez noter que les présentations seront mises à disposition sur cette page INDICO après la réunion et l'enregistrement sera disponible à partir du mardi 13 avril..
2021 - 1:25:53. DG presentations to personnel External link: Event details In : Directorate Online Meeting - April 2021

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2021-04-09
09:50
First results from the Muon g-2 Experiment at Fermilab / Lehner, Christoph (speaker) (University of Regensburg & BNL) ; Venanzoni, Graziano (speaker) (INFN)
The ultimate precision in the measurement of the muon anomaly, $a_\mu$ = (g – 2)/2, has been constantly pursued since the sixties, when CERN played a leading role in its determination with a series of pioneering experiments that ran until the late seventies. The present most accurate $a_\mu$ measurement was carried out by the E821 Experiment at Brookhaven (USA), resulting in a 3.7 standard deviation discrepancy with the theoretical prediction of the Standard Model of particle physics [...]
2021 - 2:01:41. EP Seminar External link: Event details In : First results from the Muon g-2 Experiment at Fermilab

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2021-03-30
15:04
Not yet available
Beauty and charm production in pp collisions via D-meson measurements with ALICE / Catalano, Fabio (speaker) (Politecnico e INFN Torino (IT))
Measurements of the production of hadrons containing charm or beauty quarks in proton-proton collisions provide an important test of quantum chromodynamics calculations. They also set the reference for the respective measurements in heavy-ion collisions, where the formation and properties of the quark-gluon plasma are investigated. The excellent particle identification, track and decay-vertex reconstruction capabilities of the ALICE experiment, together with machine-learning techniques for multi-class classification, are exploited to separate the signal of non-prompt D mesons (produced in beauty-hadron decays) from that of prompt D mesons (produced in the charm-quark fragmentation) and the combinatorial background [...]
2021 - 0:52:40. LHC Seminar External link: Event details In : Beauty and charm production in pp collisions via D-meson measurements with ALICE

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2021-03-26
15:26
The Future of Fundamental Physics / Dijkgraaf, Robbert (speaker) (Director and Leon Levy Professor of the Institute for Advanced Study, Princeton, New Jersey (USA))
The reports of the death of physics are greatly exaggerated. Instead, I would argue, we are living in a golden era and the best is yet to come [...]
2021 - 1:34:55. CERN Colloquium External link: Event details In : The Future of Fundamental Physics

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2021-03-23
16:21
New results on theoretically clean observables in rare B-meson decays from LHCb / Petridis, Konstantinos (speaker) (University of Bristol (GB)) ; Santimaria, Marco (speaker) (INFN e Laboratori Nazionali di Frascati (IT))
Over the past decade, measurements involving the flavour changing neutral current transition 𝑏→𝑠ℓ+ℓ− have shown tantalising tensions with Standard Model (SM) predictions. However, our current understanding of the hadronic uncertainties in these predictions potentially hinders our ability to interpret these results as physics beyond the SM [...]
2021 - 1:28:49. LHC Seminar External link: Event details In : New results on theoretically clean observables in rare B-meson decays from LHCb

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2021-03-16
17:10
Recent results on Vector Boson plus jet production from CMS / Nguyen, Duong Hai (speaker) (The State University of New York SUNY (US))
Vector boson production accompanied by light-jets, or heavy-flavor jets are essential processes to test different theoretical predictions and represents important backgrounds to other standard model or beyond the standard model processes. In this talk, recent measurements of the differential cross sections of Z + jets and γ + jets production as a function of the boson transverse momentum and other observables will be presented [...]
2021 - 1:03:23. LHC Seminar External link: Event details In : Recent results on Vector Boson plus jet production from CMS

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2021-03-15
14:51
XRootD I/O Server Benchmarking on flash and disk / Peters, Andreas Joachim (speaker) (CERN)
This presentation will summarize few bandwidth and IOPS measurements using root:// and http:// protocol using XRootD Version 5 in front of disk, NVMe, SSDs and CephFS and an outlook with posisble future improvements..
2021 - 0:09:47. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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