IOPP Seminar-Institute of Particle Physics

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Selection rules without group actionsin particle physics

Organizers：徐凌霄博士

Date：2025年12月29日·周一下午 14:00

Place：9号楼9409会议室

Speaker: 徐凌霄博士, (the Abdus Salam International Centre for Theoretical Physics)Time: 2025年12月29日·周一下午 14:00Location: 9号楼9409会议室Abstract: Motivated by recent advances in the generalization of global symmetries in quantum fieldtheory, we introduce a class of selection rules originating from non-invertible fusion algebras rather thanconventional group laws, which we refer to as non-invertible ...
Probing gluon saturation - the Forward Calorimeter in ALICE

Organizers：Prof. Dieter Roehrich

Date：Dec.9, Tuesday, 10:30

Place：Lecture Hall 9409

The parton structure of the nucleus at very low Bjorken-x, especially its gluon content, is largely unknow. Measurements at small-x will not only provide experimental constrains for (nuclear) PDFs in a region of phasespace where experimental data is scarce, but will also enable ...
Transverse Polarization of Λ Hyperons in Unpolarized Jets

Organizers：Shu-yi Wei, 魏树一

Date：14:30,Wednesday,Dec. 3,2025

Place：Lecture Hall 9557

The transverse polarization of Λ hyperons within unpolarized jets is encoded in the transverse-momentum-dependent (TMD) fragmentation function . In the vacuum environment, the QCD evolution of this TMD fragmentation function is governed by the Collins-Soper equation. However, in the presence of ...
Gaussian GenerallyCovariantHydrodynamics

Organizers：Giorgio Torrieri (UNICAMP)

Date：10:30 AM, Tuesday, 11-18,2025

Place：Lecture Hall 9409

:We examine the length scales usually associated with the applicability of hvdrodynamics as an efective theory in the ight of the observation of hydrodynamic behavior in small systems. We argue that the explanation of such behavior might reside in the requirement of local equivalence between fuctuations ...
50 years of OGP: past, present and future

Organizers：Federico Antinori (NFN)

Date：14:00, 11-10, 2025

Place：Lecture Hall 9409

Fifty years have passed since the predictions of the existence of the Quark-Gluon Plasma, a high-temperature and high-density phase of matter, in which the colour charge of OCD becomes deconfined. I will recall some of major milestones in the history of the QGP, that led to the confirmation of ...

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