Resolve "Data structure for DIS kinematics"

eic_data.yaml

@@ -516,3 +516,19 @@ datatypes:
       - float             probability       // Probability of the vertex fit
       - bool              primary           // Whether it is the primary vertex of the event
 
+  ## ==========================================================================
+  ## Kinematic reconstruction
+  ## ==========================================================================
+
+  eic::InclusiveKinematics:
+    Description: "Kinematic variables for DIS events"
+    Author: "S. Joosten, W. Deconinck"
+    Members:
+      - float             x                 // Bjorken x (Q2/2P.q)
+      - float             Q2                // Four-momentum transfer squared [GeV^2]
+      - float             W                 // Invariant mass of final state [GeV]
+      - float             y                 // Inelasticity (P.q/P.k)
+      - float             nu                // Energy transfer P.q/M [GeV]
+      ## Spin state?
+      ## phi_S?
+      - eic::Index        scatID            // Associated scattered electron (if identified)