Rename time info in RichGeomPhoton to be only the radiator transit time

Rich/RichFutureUtils/include/RichFutureUtils/RichGeomPhoton.h

@@ -83,7 +83,7 @@ namespace Rich::Future {
         , m_CherenkovPhi( phi )
         , m_smartID( smartID )
         , m_activeSegmentFraction( activeFrac )
-        , m_recoHitTime( detectionTime ) {}
+        , m_radTransitTime( detectionTime ) {}
 
   public:
     // getters and setters
@@ -123,7 +123,7 @@ namespace Rich::Future {
     [[nodiscard]] Scalar activeSegmentFraction() const noexcept { return m_activeSegmentFraction; }
 
     /// Access the reconstructed photon detection time
-    [[nodiscard]] Scalar recoDetectionTime() const noexcept { return m_recoHitTime; }
+    [[nodiscard]] Scalar radTransitTime() const noexcept { return m_radTransitTime; }
 
     /** Set accessor for the RichSmartID
      *  @param id The new RichSmartID */
@@ -157,9 +157,8 @@ namespace Rich::Future {
      *  with for which it is geometrically possible this photon was produced */
     Scalar m_activeSegmentFraction{1};
 
-    /* Expected photon detection time based on reconstructed track and photon trajectory
-     * and track origin time */
-    Scalar m_recoHitTime{0};
+    /// Transit time inside the radiator volume (from entry plane)
+    Scalar m_radTransitTime{0};
   };
 
   /** @class GeomPhoton RichGeomPhoton.h RichFutureUtils/RichGeomPhoton.h

Rich/RichFutureUtils/include/RichFutureUtils/RichSIMDGeomPhoton.h

@@ -100,7 +100,7 @@ namespace Rich::SIMD::Future {
         : m_ckTheta( theta )
         , m_ckPhi( phi )
         , m_activeFraction( activeFrac )
-        , m_recoHitTime( detTime )
+        , m_radTransitTime( detTime )
         , m_valid( validMask )
         , m_smartIDs( smartIDs )
         , m_rich( rich ) {}
@@ -146,7 +146,7 @@ namespace Rich::SIMD::Future {
     [[nodiscard]] const SIMDFP& activeSegmentFraction() const noexcept { return m_activeFraction; }
 
     /// Access the reconstructed photon detection time
-    [[nodiscard]] const SIMDFP& recoDetectionTime() const noexcept { return m_recoHitTime; }
+    [[nodiscard]] const SIMDFP& radTransitTime() const noexcept { return m_radTransitTime; }
 
     /** Get accessor to RichSmartID
      *  @return the current value of RichSmartID */
@@ -169,7 +169,7 @@ namespace Rich::SIMD::Future {
                                   CherenkovPhi()[simdEntry],          //
                                   smartID()[simdEntry],               //
                                   activeSegmentFraction()[simdEntry], //
-                                  recoDetectionTime()[simdEntry]}
+                                  radTransitTime()[simdEntry]}
                    : ScalarPhoton{} );
     }
 
@@ -201,9 +201,8 @@ namespace Rich::SIMD::Future {
      *  with for which it is geometrically possible these photon were produced */
     alignas( LHCb::SIMD::VectorAlignment ) SIMDFP m_activeFraction{SIMDFP::One()};
 
-    /* Expected photon detection time based on reconstructed track and photon trajectory
-     * and track origin time */
-    alignas( LHCb::SIMD::VectorAlignment ) SIMDFP m_recoHitTime{SIMDFP::Zero()};
+    /// Transit time inside the RICH radiator volume
+    alignas( LHCb::SIMD::VectorAlignment ) SIMDFP m_radTransitTime{SIMDFP::Zero()};
 
     /// Validity mask
     alignas( LHCb::SIMD::VectorAlignment ) MASK m_valid{MASK( false )};

Rich/RichFutureUtils/src/RichGeomPhoton.cpp

@@ -28,7 +28,7 @@ std::ostream& Rich::Future::RecoPhoton::fillStream( std::ostream& s ) const {
            << " ckPhi:" << CherenkovPhi()                   //
            << " smartID:" << smartID()                      //
            << " activeFraction:" << activeSegmentFraction() //
-           << " recoTime:" << recoDetectionTime()           //
+           << " radTransitTime:" << radTransitTime()        //
            << " }";
 }