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IDM 2018

22–27 Jul 2018
MacMillian
US/Eastern timezone

Mary Ann Rotondo

Session

4.6 Theory

4.6
26 Jul 2018, 16:30
117 (MacMillian)

117

MacMillian

Brown University Providence, Rhode Island, USA

Conveners

4.6 Theory

  • Koushiappas

Presentation materials

There are no materials yet.

  1. 15. Astrophysical Signatures of Dark Matter Accumulation in Neutron Stars
    Tim Linden
    26/07/2018, 16:30
    Astrophysics Dynamics
    Talk

    Over the past few decades, terrestrial experiments have placed increasingly strong limits on the dark matter-nucleon scattering cross-section. However, a significant portion of the standard dark matter parameter space remains beyond our reach. Due to their extreme density and huge gravitational fields, neutron stars stand as optimal targets to probe dark matter-neutron interactions. As an...

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  2. 26. MADMAX: A new way to search for QCD Axion Dark Matter with a Dielectric Haloscope
    Stefan Knirck (Max-Planck-Institute for Physics, Munich, Germany)
    26/07/2018, 16:55
    Direct Detection
    Talk

    Light Dark Matter candidates have increasingly come under the focus of scientific interest. In particular the QCD axion is also able to solve other fundamental problems such as CP-conservation in strong interactions. Galactic axions and axion-like particles can be converted to photons at boundaries between materials of different dielectric constants under a strong magnetic field. Combining...

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  3. 37. The Cosmic Axion Spin Precession Experiment
    Matthew Lawson (Stockholm University)
    26/07/2018, 17:20
    Direct Detection
    Talk

    The Cosmic Axion Spin Precession Experiment (CASPEr) is a direct
    Axion Like Particle (ALP) search. We use techniques analogous to Continuous Wave (CW)
    Nuclear Magnetic Resonance to set limits on the axion-nucleon coupling.
    The axion field can exert a torque on nuclear spins either by the axion wind
    effect or by inducing a time-varying Electric Dipole Moment (EDM) in the nucleon.
    We here...

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  4. 54. Future prospects for axion haloscopes: Multiple cavities and really strong magnets
    David Tanner
    26/07/2018, 17:45
    Direct Detection
    Talk

    The Axion Dark Matter eXperiment (ADMX) is conducting a search for axions within the dark-matter halo of our Galaxy. The power emitted from the ADMX cavity is proportional to B2V, where B is the strength of the magnetic field threading the cavity and V the cavity volume. ADMX has achieved its goal of reaching the DFSZ limit, receiving ~100 yW power, which near-quantum-limited detectors can...

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  5. 138. (Withdrawn) QCD Axion Dark Matter with f_a as Low as 10^8 GeV
    Dr Raymond Co
    Theory
    Talk

    The QCD axion elegantly solves the longstanding strong CP problem and is well motivated dark matter candidate. To reproduce the observed dark matter abundance with axions, the decay constant f_a is considered to be around 10^12 GeV for the misalignment mechanism. On one hand, the late-time entropy production is known to allow larger f_a. On the other hand, the decay of the axion domain walls...

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