Merge branch 'mbovill/DstToD0Pi_DOToKPiPiPi' into 'master'

Tightened selections and prescale for the DstToD0Pi_DOToPiPiPi PID line

See merge request !3144

Hlt/Hlt2Conf/python/Hlt2Conf/lines/pid/DstToD0Pi_D0ToKPiPiPi.py

@@ -39,7 +39,7 @@ def make_dzero_to_kpipipi(
         am_max=constants.D0_M + 85 * MeV,
         a_p_min=25 * GeV,
         m_min=1800 * MeV,
-        m_max=1925 * MeV,
+        m_max=1915 * MeV,
         comb_pt_min=2500 * MeV,
         kpi_p_min=1 * GeV,
         kpi_pt_min=250 * MeV,
@@ -126,7 +126,7 @@ def make_dzero_to_kpipipi(
 
 
 @register_line_builder(all_lines)
-def DstToD0Pi_D0ToKPiPiPi(name="Hlt2PID_DstToD0Pi_D0ToKPiPiPi", prescale=0.1):
+def DstToD0Pi_D0ToKPiPiPi(name="Hlt2PID_DstToD0Pi_D0ToKPiPiPi", prescale=0.02):
     pvs = make_pvs()
     slow_pions = flt.filter_particles(
         make_long_pions(),
@@ -137,7 +137,8 @@ def DstToD0Pi_D0ToKPiPiPi(name="Hlt2PID_DstToD0Pi_D0ToKPiPiPi", prescale=0.1):
         mipchi2_min=0.0,
     )
     d0s = make_dzero_to_kpipipi()
-    dsts = make_dst_to_dzeropi(d0s, slow_pions)
+    dsts = make_dst_to_dzeropi(
+        d0s, slow_pions, comb_doca_max=0.2 * mm, delta_mm_max=155 * MeV)
 
     return Hlt2Line(
         name=name,