• Corpus ID: 230433854

Resonant Scattering between Dark Matter and Baryons: Revised Direct Detection and CMB Limits

  title={Resonant Scattering between Dark Matter and Baryons: Revised Direct Detection and CMB Limits},
  author={Xingchen Xu and Glennys R. Farrar},
Traditional dark matter (DM) models, eg. WIMPs, assume dark matter is weakly coupled to the standard model so that elastic scattering between DM and baryons can be described perturbatively by Born approximation. Most direct detection experiments are analyzed according to that assumption. We show that when the interaction is attractive and strong, DM-nucleus scattering exhibits rich resonant behavior with a highly non-trivial dependence on atomic mass. The scattering is non-perturbative in much… 
Constraints on GeV Dark Matter interaction with baryons, from a novel Dewar experiment
Dark matter which scatters off ordinary baryonic matter with a relatively large cross section cannot be constrained by traditional, deep underground WIMP experiments, due to the energy loss of DM in
A Stable Sexaquark: Overview and Discovery Strategies
The neutral, flavor singlet scalar uuddss bound state – the sexaquark, S – may have a low enough mass to be stable or extremely long-lived. Here we review mass estimates and production expectations
Galaxy Rotation Curves Disfavor Traditional and Self-interacting Dark Matter Halos, Preferring a Disk Component or Einasto Function
We use the galaxy rotation curves in the SPARC database to compare nine different dark matter (DM) and modified gravity models on an equal footing, paying special attention to the stellar


Constraining Dark Matter-Baryon Scattering with Linear Cosmology
We derive constraints on elastic scattering between baryons and dark matter using the cosmic microwave background (CMB) data from the Planck satellite and the Lyman-alpha forest data from the Sloan
Resonant dark matter
It is usually assumed that dark matter direct detection is sensitive to a large fraction of the dark matter (DM) velocity distribution. We propose an alternative form of dark matter-nucleus
Probing sub-GeV dark matter-baryon scattering with cosmological observables
We derive new limits on the elastic scattering cross-section between baryons and dark matter using Cosmic Microwave Background data from the Planck satellite and measurements of the Lyman-alpha
A theory of dark matter
� > 1GeV 1 . The long range allows a Sommerfeld enhancement to boost the annihilation cross section as required, without altering the weak-scale annihilation cross section during dark matter
Constraints on the interactions between dark matter and baryons from the x-ray quantum calorimetry
Although the rocket-based x-ray quantum calorimetry (XQC) experiment was designed for x-ray spectroscopy, the minimal shielding of its calorimeters, its low atmospheric overburden, and its
Constraints on Dark Matter with a moderately large and velocity-dependent DM-nucleon cross-section
We derive constraints on a possible velocity-dependent DM-nucleon scattering cross section, for Dark Matter in the 10 MeV -- 100 GeV mass range, using the XQC, DAMIC, and CRESST 2017 Surface Run
Dark Matter That Interacts with Baryons: Experimental Limits on the Interaction Cross Section for 27 Atomic Nuclei, and Resultant Constraints on the Particle Properties
To constrain the properties of dark matter (DM) that interacts with nucleons, we have conducted an experimental search for any anomalous heating of ordinary baryonic matter at 77 K. Our tabletop
First astrophysical constraints on dark matter interactions with ordinary matter at low relative velocity.
We derive constraints on cross sections for dark matter interactions with ordinary matter at very low relative velocity, $v_{\rm rel}$ $\approx$ 17 km/s, by requiring that the heating/cooling due to
Dark matter self-interactions and light force carriers
Recent observations from PAMELA, FERMI, and ATIC point to a new source of high energy cosmic rays. If these signals are due to annihilating dark matter (DM), the annihilation cross section in the
Beyond Collisionless Dark Matter: Particle Physics Dynamics for Dark Matter Halo Structure
Dark matter (DM) self-interactions have important implications for the formation and evolution of structure, from dwarf galaxies to clusters of galaxies. We study the dynamics of self-interacting DM