We study the implications of galaxy formation on dark matter direct detection using high resolution hydrodynamic simulations of Milky Way-like galaxies simulated within the eagle and apostle projects .
We identify Milky Way analogues that satisfy observational constraints on the Milky Way rotation curve and total stellar mass .
We then extract the dark matter density and velocity distribution in the Solar neighbourhood for this set of Milky Way analogues , and use them to analyse the results of current direct detection experiments .
For most Milky Way analogues , the event rates in direct detection experiments obtained from the best fit Maxwellian distribution ( with peak speed of 223 – 289 km / s ) are similar to those obtained directly from the simulations .
As a consequence , the allowed regions and exclusion limits set by direct detection experiments in the dark matter mass and spin-independent cross section plane shift by a few GeV compared to the Standard Halo Model , at low dark matter masses .
For each dark matter mass , the halo-to-halo variation of the local dark matter density results in an overall shift of the allowed regions and exclusion limits for the cross section .
However , the compatibility of the possible hints for a dark matter signal from DAMA and CDMS-Si and null results from LUX and SuperCDMS is not improved .