Determines the distribution of times spent by atom in the MOT interaction volume to be used to compute the collision probability between the incoming hot atoms and the atoms slowed near the center of the MOT.

MOT Capture Process Simulation/@MOTSimulator/computeTimeSpentInInteractionRegion.m

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+function T = computeTimeSpentInInteractionRegion(this, r)
+%     INPUT:
+%     r : N x 3 array. N is the number of time steps
+%     OUTPUT
+%     T : gives the distribution of time spent in the interaction region
+%     USAGE:
+%     T = this.computeTimeSpentInInteractionRegion(r)
+
+    T = 0;
+    NumberOfTimeSteps    = int64(this.SimulationTime/this.TimeStep);
+    for n = 1:(NumberOfTimeSteps - 1)
+        dr = Helper.calculateDistanceFromPointToLine(r(n+1, :), [0 0 0], [1 0 0]);
+        if dr < this.CoolingBeamRadius
+            A = 1;
+        else
+            A = 0;
+        end
+        T = T + A * this.TimeStep;
+    end
+end