Mass limits of dark matter derived from 'strange' stars

(PhysOrg.com) -- Much of the matter in our universe may be made of a type of dark matter called weakly interacting massive particles, better known as WIMPs. Although some scientists predict that these hypothetical particles possess many of the necessary properties to account for dark matter, so far scientists have not been able to make any definite predictions of their mass. Now, in a new study, physicists have derived a limit on the WIMP mass by calculating how these dark matter particles can transform neutron stars into stars made of strange quark matter, or "strange" stars.

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