Season I - May 13, 2011 - May 14, 2012

Simple Multiplicity Trigger

• Threshold HLC hits or more in a TimeWindow
• Readout window (-4 μs, +6 μs) around this captures early and late hits.
• key = INICE_SIMPLE_MULTIPLICITY
  • Threshold = 8(3) for InIce(DeepCore)
  • TimeWindow = 10 μs
• key = ICETOP_SIMPLE_MULTIPLICITY
  • Threshold = 5
  • TimeWindow = 10 μs

String Trigger

• key = INICE_STRING
  • 5 hits from a run of 7 adjacent DOMs in a time window of 1500ns

Volume Trigger

• key = INICE_VOLUME
  • Simple majority of HLC hits (SMT4) within volume element including one layer of strings around a center string
  • Cylinder height is 5 DOM-layers (2 up and 2 down from the selected DOM layer).