Cherry-pick MR !297 to master branch
Ostap: PidCalib2: add the base class PARTICLE_1D
See merge request !297 (merged)
(cherry picked from commit 508eba7c)
fe709918 Ostap:
Ostap: PidCalib2: add the base class PARTICLE_1D
See merge request !297 (merged)
(cherry picked from commit 508eba7c)
fe709918 Ostap: