Group Seminar
Coming to give a seminar at SISSA? Please refer to our speaker's page.
The 'Group Seminar' is a regular appointment of the Theoretical Particle Physics group. It usually takes place on Wednesday at 4pm in room 005 (ground floor) or in the Lecture Hall 137 (first floor). The seminars typically last for 50 minutes leaving time for questions and discussion.
You can find the list of seminars scheduled in the week in the calendar and the complete list of seminar in the Group Seminar history.
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S-matrix Bootstrap: bridging theory and phenomenology |
| The space of relativistic scattering amplitudes is tightly constrained by general principles such as causality, unitarity, and analyticity. The S-matrix Bootstrap program aims to characterize this space directly, without reference to a specific Lagrangian, by exploiting these constraints using modern and powerful tools from convex optimization. In this talk, I will discuss two applications of this approach to particle physics. First, I will show how combining analytic methods with numerical bootstrap techniques allows one to upgrade the asymptotic Froissart bound into a quantitative, model-independent bound that is valid at all energies. Second, I will illustrate how incorporating experimental data into the bootstrap framework makes it possible to reproduce the known QCD spectrum and provides evidence for an unexpected tetraquark state, currently under investigation by the LHCb collaboration. | |
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There is plenty of physics yet to be discovered |
| I present some of the recent findings regarding quantum mechanics and its properties in high-energy physics. | |
Below you find the calendar of the next Group Seminars.
| Date | Speaker | Title |
|---|---|---|
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Mar 18 2026 14:00 |
Andrea Guerrieri (London, City U) |
S-matrix Bootstrap: bridging theory and phenomenology |
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Mar 19 2026 14:00 |
Marco Fabbrichesi (INFN Trieste) |
There is plenty of physics yet to be discovered |
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Apr 08 2026 14:30 |
Elli Pomoni (DESY) Susanne Reffert (U. of Bern) |
Joint ICTP/SISSA/UNITS string seminar |
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Apr 15 2026 16:00 |
Massimo Porrati (NYU) |
TBA |
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Apr 28 2026 14:00 |
Sabarenath Jayaprakash (University of Michigan) |
Quantised giant gravitons as the periodic table of supersymmetric states |
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Apr 29 2026 14:00 |
Alexander Zhiboedov (CERN) |
TBA |
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May 06 2026 16:00 |
tba [@units] () Timo Weigand (Hamburg U.) |
Joint ICTP/SISSA/UNITS string seminar |