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2019 CAP Congress / Congrès de l'ACP 2019

2–7 Jun 2019
Simon Fraser University
America/Vancouver timezone
Welcome to the 2019 CAP Congress Program website! / Bienvenue au siteweb du programme du Congrès de l'ACP 2019 !

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Session

R2-4 Testing Fundamental Symmetries II (DTP/PPD/DNP) | Tests de symétries fondamentales II (DPT/PPD/DPN)

R2-4
6 Jun 2019, 13:15
Simon Fraser University

Simon Fraser University

Conveners

R2-4 Testing Fundamental Symmetries II (DTP/PPD/DNP) | Tests de symétries fondamentales II (DPT/PPD/DPN)

  • Tom Steele (U of Saskatchewan)

Presentation materials

There are no materials yet.

  1. 2426. Limits on exotic contributions to electroweak symmetry breaking
    Heather Logan (Carleton University)
    06/06/2019, 13:15
    Theoretical Physics / Physique théorique (DTP-DPT)
    Invited Speaker / Conférencier(ère) invité(e)

    The Standard Model breaks electroweak symmetry using an isospin-doublet scalar Higgs field, i.e. a field in the minimal nontrivial representation of SU(2)_L. But there could in principle be contributions to the vacuum condensate from "exotic" scalars in higher isospin representations. Such exotic models are in general strongly constrained by electroweak precision measurements, which I'll use...

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  2. 2797. EDMs and Dark Sectors
    Adam Ritz
    06/06/2019, 13:45
    Theoretical Physics / Physique théorique (DTP-DPT)
    Invited Speaker / Conférencier(ère) invité(e)

    Precision measurements of electric dipole moments (EDMs) of the neutron, atoms and molecules constitute important tests for new sources of CP violation in nature. Given the empirical motivation for new physics in a hidden (or dark) sector, notably arising from the need to explain dark matter and neutrino, I'll discuss the implications of this scenario for EDM measurements and the...

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  3. 2561. An Improved Extraction of the Vud CKM Matrix Element
    Mr Kyle Shiells (University of Manitoba)
    06/06/2019, 14:15
    Theoretical Physics / Physique théorique (DTP-DPT)
    Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

    The CKM matrix of the Standard Model (SM) is a unitary $3\times3$ matrix which holds information on how strongly the various quark flavours couple to each other. Consequently, nature’s adherence to the SM can be tested by the normalization condition of its rows. $|V_{ud}| = 0.97417(21)$ is a dominant term in the first row unitarity condition: $|V_{ud}|^2 + |V_{us}|^2 + |V_{ub}|^2 = 1$, and...

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  4. 2457. Potential Model Tetraquark Mass Predictions Using Doubly Heavy Diquark Masses from QCD Sum Rules
    Alex Palameta (University of Saskatchewan)
    06/06/2019, 14:30
    Theoretical Physics / Physique théorique (DTP-DPT)
    Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

    We use QCD Laplace sum rules to generate mass predictions for vector cc and bb diquarks. We calculate the diquark correlator within the operator product expansion to next to leading order, including terms proportional to the four- and six-dimensional gluon and six-dimensional quark condensates. Using these diquark masses as input, a potential model is used to predict the masses of tetraquark...

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