The left photo shows a sequence of bubbles created by multiple scattering of a neutron. WIMPs are expected to produce a single bubble as shown in the right photo. COUPP found no signals above background. Credit: COUPP collaboration.
August 12, 2016
The left photo shows a sequence of bubbles created by multiple scattering of a neutron. WIMPs are expected to produce a single bubble as shown in the right photo. COUPP found no signals above background. Credit: COUPP collaboration.