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Calendar of Physics Talks Vienna
| Discrete Gauging and Small E8 instantons in six dimensions |
| Speaker: | Prof. Amihay Hanany (Imperial College London) |
| Abstract: | The physics of tensionless strings in six dimensions poses a long standing challenge in theoretical physics.This talk discusses such objects in a system of multiple M5 branes places at an ALE singularity of types A or D.The world volume theory on the M5 branes has (0,1) supersymmetry in 6 dimensions with massless vector, tensor and hyper multiplets.There are two branches on the moduli space of vacuum configurations where scalar fields in tensor and hyper multiplets receive VEVs, respectively.We will focus on the Higgs branch and show that each time there is a new tensionless string,there is a new Higgs branch,thus the theory has a multitude of Higgs branches depending on the types of tensionless strings in the spectrum.There are two main effects: “discrete gauging” and “small instanton transitions” and a need to efficiently describe so many Higgs branches which arise.The main tool is.... |
| Date: | Tue, 29.05.2018 |
| Time: | 13:45 |
| Duration: | 60 min |
| Location: | TU Wien, Freihaus, SEM 136, 10. Stock, Wiedner Hauptstr. 8-10, 1040 Wien |
| Contact: | S. Fredenhagen, D. Grumiller, M. Sperling |
| Speaker: | Prof. Dieter Zeppenfeld (KIT) |
| Abstract: | The physics of vector boson scattering at hadron collliders like the LHC will be reviewed,
including QCD NLO corrections, which affect tagging jets. Deviations from SM expectations
are desrcibed by effective Lagrangians. As dimension-8 operators or higher are employed,
unitarization of the underlying vector boson scattering process becomes important
phenomenologically and has recently been implemented within the VBFNLO Monte Carlo
program.
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| Date: | Tue, 29.05.2018 |
| Time: | 16:15 |
| Duration: | 60 min |
| Location: | Fakultät für Physik, Erwin-Schrödinger-Hörsaal, Boltzmanngasse 5, 5. Stock |
| Contact: | A. Hoang, M. Löschner |
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