Concept

Extended supersymmetry

In theoretical physics, extended supersymmetry is supersymmetry whose infinitesimal generators carry not only a spinor index , but also an additional index where is integer (such as 2 or 4). Extended supersymmetry is also called , supersymmetry, for example. Extended supersymmetry is very important for analysis of mathematical properties of quantum field theory and superstring theory. The more extended supersymmetry is, the more it constrains physical observables and parameters.

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https://en.wikipedia.org/wiki/Extended_supersymmetry

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Gauge-mediated supersymmetry-breaking models provide a strong motivation to search for a supersymmetric partner of the tau lepton (stau) with a macroscopic lifetime. Long-lived stau decays produce tau leptons that are displaced from the primary proton-proton interaction vertex, leading to an unconventional signature. This paper presents a search for the direct production of long-lived staus decaying within the CMS tracker volume in proton-proton collisions at s=13 TeV, performed for the first time with an i

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Superspace

Superspace is the coordinate space of a theory exhibiting supersymmetry. In such a formulation, along with ordinary space dimensions x, y, z, ..., there are also "anticommuting" dimensions whose coordinates are labeled in Grassmann numbers rather than real numbers. The ordinary space dimensions correspond to bosonic degrees of freedom, the anticommuting dimensions to fermionic degrees of freedom. The word "superspace" was first used by John Wheeler in an unrelated sense to describe the configuration space of general relativity; for example, this usage may be seen in his 1973 textbook Gravitation.

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Official source

https://en.wikipedia.org/wiki/Extended_supersymmetry

About this result

Related courses (1)

PHYS-739: Conformal Field theory and Gravity

This course is an introduction to holography, the modern approach to quantum gravity. ...

Related lectures (11)

Supersymmetry: Soft Terms and EW Symmetry Breaking

Covers soft terms, A-terms, and EW symmetry breaking in supersymmetry.

Supersymmetry: Lecture 4

Discusses supersymmetry gauge, superfields, anomalous terms, and flat directions in 4D space.

Supersymmetry: Lagrangians and Renormalizable Theories

Covers the basics of supersymmetry, Lagrangians, and renormalizable theories.

Related publications (1)

Search for the pair production of long-lived supersymmetric partners of the tau lepton in proton-proton collisions at s=13 TeV

2026

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