2019-06-26
09:36 |
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CMS measurements (and interplay) of ttbb and ttH(H->bb) production cross sections at 13 TeV
/ Schroeder, Matthias (speaker) (KIT - Karlsruhe Institute of Technology (DE))
Two cross section measurements performed by the CMS collaboration using data from proton-proton collisions at 13 TeV will be discussed: the production of top quark pairs in association with two b jets (ttbb) and the production of top quark pairs in association with a standard model Higgs boson that decays to a b jet pair, ttH(H->bb). The production cross section of top quark pairs in association with two b jets is a major irreducible background in the measurement of ttH and its normalization and modelling are leading sources of systematic uncertainty. [...]
2019 - 0:57:22.
LHC Seminar
External link: Event details
In : CMS measurements (and interplay) of ttbb and ttH(H->bb) production cross sections at 13 TeV
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2019-06-26
09:35 |
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2019-06-25
10:23 |
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Phases of little string theory and fuzzballs
/ Massai, Stefano (speaker) (University of Chicago)
Resolved A-type singularities admit an exact description in worldsheet string theory that regularises the linear dilaton throat dual to little string theory. A generalisation of this mechanism offers a weakly coupled description of “fuzzball” states in the Hilbert space of two and three-charge black holes. [...]
2019 - 0:52:48.
TH institutes; String Geometry and String Phenomenology Institute
External links: Talk details; Event details
In : String Geometry and String Phenomenology Institute
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2019-06-22
09:58 |
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2019-06-22
09:58 |
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Unification of Symmetries from Strings
/ Vaudrevange, Patrick (speaker) (TU Munich)
String Theory in 4D is highly predictive due to the compactification of extra dimensions: specifying a set of abstract compactification parameters, the particle content, all symmetries and all interactions in the effective low-energy theory are uniquely fixed. This is in contrast to Quantum Field Theory: the effective Lagrangian from String Theory cannot be altered at will, i.e. [...]
2019 - 0:53:25.
TH institutes; String Geometry and String Phenomenology Institute
External links: Talk details; Event details
In : String Geometry and String Phenomenology Institute
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2019-06-21
16:09 |
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SU(3) structures on Calabi-Yau manifolds
/ Larfors, Magdalena (speaker) (Uppsala University)
In this talk, we show that a range of non-trivial SU(3) structures can be constructed on complete intersection Calabi-Yau three-folds. Among the possible SU(3) structures we find Strominger-Hull systems, suitable for heterotic or type II string compactifications. [...]
2019 - 0:50:13.
TH institutes; String Geometry and String Phenomenology Institute
External links: Talk details; Event details
In : String Geometry and String Phenomenology Institute
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2019-06-21
14:14 |
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M-theory singularities: Going beyond Dynkin diagrams
/ Collinucci, Andres (speaker) (Université Libre de Bruxelles)
M-theory on an ADE singularity gives rise to an ADE gauge theory at low energies. However, the “T-brane” phenomenon completely shatters this picture, and reveals that simply resolving singularities, and uncovering a Dynkin diagram is insufficient to understand what’s really going on. [...]
2019 - 0:48:48.
TH institutes; String Geometry and String Phenomenology Institute
External links: Talk details; Event details
In : String Geometry and String Phenomenology Institute
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2019-06-21
14:14 |
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2019-06-21
13:36 |
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2019-06-21
13:36 |
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Q&A
2019 - 0:40:24.
General Meetings; Sharing Knowledge Conference
External links: Talk details; Event details
In : Sharing Knowledge Conference
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