2025-12-15
11:48 |
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Future Upgrades of the LHCb ECAL: the LS3 Enhancement and the PicoCal
/ Martinazzoli, Loris (speaker) (CERN)
The aim of the LHCb Upgrade II is to operate at a luminosity of 1.0 x 1034 cm-2s-1 to collect a dataset of 300 fb-1. This requires a substantial modification of the current Electromagnetic Calorimeter (ECAL) during LS4, due to the increased particle rate and the resulting radiation doses in the central region [...]
2025 - 3930.
Detector Seminar
External link: Event details
In : Future Upgrades of the LHCb ECAL: the LS3 Enhancement and the PicoCal
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2025-12-11
10:11 |
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Precision physics and the hadronic running of $\alpha$: a lattice perspective
/ Conigli, Alessandro (speaker)
Precision measurements are a powerful tool in the search for physics beyond the Standard Model, and their impact is often limited by our control of hadronic effects. After a brief mention of the muon $g-2$ anomaly as an example of this challenge, I will focus on the closely related quantity $\Delta\alpha_{\mathrm{had}}^{(5)}(M_Z^2)$, the hadronic contribution to the running of the electromagnetic coupling. I will present a recent high-precision lattice QCD determination of the hadronic vacuum polarization in the Euclidean region, achieving sub-percent accuracy and confirming tensions at space-like virtualities with data-driven estimates based on $e^+ e^-$ cross sections. Using the Euclidean split technique, we obtain a precise determination of the running of $\alpha$ up to the $Z$-pole and compare it with global electroweak fits. I will conclude with an outlook on future improvements and the precision targets set by the FCC-ee program [...]
2025 - 3502.
Theory Colloquia
External link: Event details
In : Precision physics and the hadronic running of $\alpha$: a lattice perspective
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2025-12-09
14:42 |
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2025-12-08
16:18 |
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2025-12-04
16:44 |
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2025-12-04
16:44 |
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Discussion
2025 - 1443.
Conferences, Workshops & Schools; Light ion collisions at the LHC - 2025
External links: Talk details; Event details
In : Light ion collisions at the LHC - 2025
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2025-12-04
15:42 |
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2025-12-04
15:27 |
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2025-12-04
15:14 |
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2025-12-04
14:47 |
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