Merge branch 'pkoppenb-trackCut' into 'master'

Change track cut, add D0->KK

See merge request lhcb/DaVinci!520

Phys/DaVinci/python/DaVinci/common_particles.py

@@ -165,3 +165,21 @@ def make_std_loose_jpsi2mumu():
         DaughtersCuts=daughters_code,
         CombinationCut=combination_code,
         MotherCut=vertex_code)
+
+
+@configurable
+def make_std_loose_d2kk():
+    kaons = make_std_loose_kaons()
+    descriptors = ["D0 -> K+ K-"]
+    daughters_code = {"K+": "ALL", "K-": "ALL"}
+    combination_code = "(ADAMASS('D0') < 100.*MeV) & (ADOCACHI2CUT(30,''))"
+    vertex_code = "(CHI2VX < 25.)"
+
+    return ParticleCombinerWithPVs(
+        name="StdLooseD02KK",
+        particles=kaons,
+        pvs=_make_pvs(),
+        DecayDescriptors=descriptors,
+        DaughtersCuts=daughters_code,
+        CombinationCut=combination_code,
+        MotherCut=vertex_code)

Phys/DaVinci/python/DaVinci/filters_selectors.py

@@ -157,7 +157,7 @@ def default_track_cuts():
     """
     Return a string with the default track cuts.
     """
-    return require_all("TrCHI2<5", "~TrCLONE")
+    return require_all("TrCHI2<25", "~TrCLONE")
 
 
 def default_particle_cuts():