PowhegControl: update of ttjMiNNLO AGENE-2055 and first implementation of 4tops process AGENE-2128

As the title suggests, this makes an update of the ttjMiNNLO process (now using public code from authors) and makes a first implementation of the interface to the 4tops process, in Powheg. Both would need to be tested using export POWHEGPATH=/afs/cern.ch/atlas/offline/external/powhegbox/ATLASOTF-05-02. More details are given in the ticket.

added 1 deleted label

This merge request affects 1 package:

• Generators/PowhegControl

This merge request affects 7 files:

• Generators/PowhegControl/python/parameters/registry.py
• Generators/PowhegControl/python/processes/powheg/init.py
• Generators/PowhegControl/python/processes/powheg/fourtops.py
• Generators/PowhegControl/python/processes/powheg/tt.py
• Generators/PowhegControl/python/processes/powheg/ttj_MiNNLO.py
• Generators/PowhegControl/share/control/PowhegControl_fourtops_Common.py
• Generators/PowhegControl/share/example/processes/fourtops/mc.PhPy8EG_A14NNPDF23_fourtops_example.py

Adding @strichte ,@dhayden ,@tpelzer ,@janovak as watchers

added 21.6 Generators JetEtmiss Powheg review-pending-level-1 labels

CI Result SUCCESS (hash 90ff8e21)

	AthGeneration
externals
cmake
make
required tests
optional tests

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AthGeneration: number of compilation errors 0, warnings 3
For experts only: Jenkins output [CI-MERGE-REQUEST-GCC62-CC7 1383]

merged

mentioned in commit 152d4750

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failed:

• master

mentioned in merge request !49933 (merged)

mentioned in commit 49831256