Search for heavy long-lived multi-charged particles in proton-proton collisions at <math xmlns="http://www.w3.org/1998/Math/MathML">
  <msqrt>
    <mi>s</mi>
  </msqrt>
</math> = 13 TeV using the ATLAS detector
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)