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B2OC: added Pi0 algorithms and neutral D*0 -> D0pi0 decays

Matthew William Kenzie requested to merge b2oc-mkenzie-addedpi0s into master

Added merged and resolved pi0 algorithms. Copied from old Phys/CommonParticles. Now standard_particles.py has both merged and resolved pi0 makers. This is trivial in the merged case. The resolved case requires arguments to be passed both for the photons (which make up the resolved pi0 candidates) and arguments for the pi0 itself. It was not obvious to me what the best way of doing this was so it may be the my solution will get changed.

Then implemented various corresponding builders down the chain for b2oc:

  • added resolved pi0s to basic_builders.py
  • added dstarzero_to_dzeropi0 in d_builder

Added one line to check this makes candidates:

  • Hlt2B2OC_BuToDst0Pi_Dst0ToD0Pi0_D0ToKsLLHH_Line

NOTE that the corresponding lines for Dst0K and KsDD should be added.

Closes #132 (closed).

Edited by Alex Pearce

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