diff --git a/sbnanaobj/StandardRecord/SRTrack.h b/sbnanaobj/StandardRecord/SRTrack.h
index c93f8c6..afd80a5 100644
--- a/sbnanaobj/StandardRecord/SRTrack.h
+++ b/sbnanaobj/StandardRecord/SRTrack.h
@@ -8,6 +8,7 @@
 
 #include "sbnanaobj/StandardRecord/SRTrackTruth.h"
 #include "sbnanaobj/StandardRecord/SRTrkChi2PID.h"
+#include "sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h"
 #include "sbnanaobj/StandardRecord/SRTrkMCS.h"
 #include "sbnanaobj/StandardRecord/SRTrkRange.h"
 #include "sbnanaobj/StandardRecord/SRCRTHitMatch.h"
@@ -45,6 +46,7 @@ namespace caf
       SRVector3D     end;         ///< End point of track
 
       SRTrkChi2PID chi2pid[3]; ///< Per-plane Chi2 Particle ID
+      SRTrkLikelihoodPID likepid[3]; ///< Per-plane likelihood-based Particle ID variabeles (@f$ \lambda = \sum -\ln L / L_{max} @f$ where @f$\Sigma@f$ is done over hits)
       SRTrackCalo calo[3]; ///< Per-plane Calorimetry information
       Plane_t            bestplane;   ///< Plane index with the most hits. -1 if no calorimetry
 
diff --git a/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.cxx b/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.cxx
new file mode 100644
index 0000000..125d4b2
--- /dev/null
+++ b/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.cxx
@@ -0,0 +1,33 @@
+/**
+ * @file   sbnanaobj/StandardRecord/SRTrkLikelihoodPID.cxx
+ * @brief  An `SRTrkLikelihoodPID` is a high level track ParticlePID object for
+ *         for larana LikelihoodPIDAlg results.
+ * @author Sungbin Oh (sungbino@fnal.gov)
+ */
+
+#include "sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h"
+
+#include "sbnanaobj/StandardRecord/SRConstants.h"
+
+namespace caf
+{
+
+  SRTrkLikelihoodPID::SRTrkLikelihoodPID():
+    pdg(-999),
+    pid_ndof(-99),
+    lambda_muon(caf::kSignalingNaN),
+    lambda_pion(caf::kSignalingNaN),
+    lambda_proton(caf::kSignalingNaN)
+  {  }
+
+  void SRTrkLikelihoodPID::setDefault()
+  {
+    pdg           = 0;
+    pid_ndof      = -5;
+    lambda_muon   = -5.0;
+    lambda_pion   = -5.0;
+    lambda_proton = -5.0;
+  }
+
+} // end namespace caf
+////////////////////////////////////////////////////////////////////////
diff --git a/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h b/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h
new file mode 100644
index 0000000..b5e1d1b
--- /dev/null
+++ b/sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h
@@ -0,0 +1,31 @@
+/**
+ * @file   sbnanaobj/StandardRecord/SRTrkLikelihoodPID.h
+ * @brief  An `SRTrkLikelihoodPID` is a high level track ParticlePID object for
+ *         for larana LikelihoodPIDAlg results.
+ * @author Sungbin Oh (sungbino@fnal.gov)
+ */
+#ifndef SRTRKLIKELIHOODPID_H
+#define SRTRKLIKELIHOODPID_H
+
+namespace caf
+{
+  /// Track PID from dE/dx v. likelihood from dE/dx PDF measured with residual range-based kinetic energy and hit pitch
+  class SRTrkLikelihoodPID
+    {
+    public:
+
+      SRTrkLikelihoodPID();
+
+      int            pdg;          ///< Likelihood PID pdg
+      int            pid_ndof;     ///< Number of degress of freedom in likelihood PID
+      float          lambda_muon;   ///< Sum of -lnL/L_max (muon hypothesis)
+      float          lambda_pion;   ///< Sum of -lnL/L_max (charged pion hypothesis)
+      float          lambda_proton; ///< Sum of -lnL/L_max (proton hypothesis)
+
+      void setDefault();
+    };
+
+} // end namespace
+
+#endif // SRTRKLIKELIHOODPID_H
+//////////////////////////////////////////////////////////////////////////////
diff --git a/sbnanaobj/StandardRecord/classes_def.xml b/sbnanaobj/StandardRecord/classes_def.xml
index 093ef4d..227ffbe 100644
--- a/sbnanaobj/StandardRecord/classes_def.xml
+++ b/sbnanaobj/StandardRecord/classes_def.xml
@@ -117,7 +117,8 @@
    <version ClassVersion="10" checksum="3777054621"/>
   </class>
 
-  <class name="caf::SRTrack" ClassVersion="15">
+  <class name="caf::SRTrack" ClassVersion="16">
+   <version ClassVersion="16" checksum="4075719476"/>
    <version ClassVersion="15" checksum="175611744"/>
    <version ClassVersion="14" checksum="3934033130"/>
    <version ClassVersion="13" checksum="522362999"/>
@@ -167,6 +168,10 @@
    <version ClassVersion="10" checksum="3162028429"/>
   </class>
 
+  <class name="caf::SRTrkLikelihoodPID" ClassVersion="10">
+   <version ClassVersion="10" checksum="2386830952"/>
+  </class>
+
   <class name="caf::SRTrkMCS" ClassVersion="11">
    <version ClassVersion="11" checksum="2241616344"/>
    <version ClassVersion="10" checksum="4182678053"/>