Merge pull request #689 in B2/basf2 from feature/BII-8698-decay-files…

…-for-double-charmonium-production_release to release/06-01

* commit 'b0eff8ef5f76718080d630a6f3175eed68d78e49':
  Fix charm (fourth) flag (2 c anti-c resonances = 2).
  Remove unnecessary spaces.
  Add e+ e- -> J/psi (eta_c, chi_c0, eta_c(2S)).
  Add e+ e- -> J/psi X.

decfiles/dec/2411420000.dec

@@ -0,0 +1,39 @@
+# EventType: 2411520000
+# Descriptor: [e+ e- -> J/psi [-> mu+ mu-] Xdd]
+# NickName: ee_JpsiX_mumu
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+Alias MyXdd Xdd
+Alias Myanti-Xdd anti-Xdd
+ChargeConj MyXdd Myanti-Xdd
+
+# Uniform mass distribution from 1.5 to 5.5 GeV/c^2.
+Particle MyXdd 3.5 2.0
+ChangeMassMin MyXdd 1.5
+ChangeMassMax MyXdd 5.5
+LSFLAT MyXdd
+
+Decay vpho
+1.0   MyJ/psi MyXdd  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-        PHOTOS PHSP;
+Enddecay
+
+Decay MyXdd
+1.0   g g            PYTHIA 91;
+Enddecay
+
+CDecay Myanti-Xdd

decfiles/dec/2411520000.dec

@@ -0,0 +1,39 @@
+# EventType: 2411520000
+# Descriptor: [e+ e- -> J/psi [-> e+ e-] Xdd]
+# NickName: ee_JpsiX_mumu
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+Alias MyXdd Xdd
+Alias Myanti-Xdd anti-Xdd
+ChargeConj MyXdd Myanti-Xdd
+
+# Uniform mass distribution from 1.5 to 5.5 GeV/c^2.
+Particle MyXdd 3.5 2.0
+ChangeMassMin MyXdd 1.5
+ChangeMassMax MyXdd 5.5
+LSFLAT MyXdd
+
+Decay vpho
+1.0   MyJ/psi MyXdd  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   e+ e-          PHOTOS PHSP;
+Enddecay
+
+Decay MyXdd
+1.0   g g            PYTHIA 91;
+Enddecay
+
+CDecay Myanti-Xdd

decfiles/dec/2892420030.dec

@@ -0,0 +1,23 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> mu+ mu-] chi_c0]
+# NickName: ee_Jpsichic0_mumu
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi chi_c0  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-         PHOTOS PHSP

decfiles/dec/2892420060.dec

@@ -0,0 +1,24 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> mu+ mu-] eta_c]
+# NickName: ee_Jpsietac_mumu
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi eta_c  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-        PHOTOS PHSP;
+Enddecay

decfiles/dec/2892420061.dec

@@ -0,0 +1,24 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> mu+ mu-] eta_c(2S)]
+# NickName: ee_Jpsietac2s_mumu
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi eta_c(2S)  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-            PHOTOS PHSP;
+Enddecay

decfiles/dec/2892520030.dec

@@ -0,0 +1,24 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> e+ e-] chi_c0]
+# NickName: ee_Jpsichic0_ee
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi chi_c0  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-         PHOTOS PHSP;
+Enddecay

decfiles/dec/2892520060.dec

@@ -0,0 +1,24 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> e+ e-] eta_c]
+# NickName: ee_Jpsietac_ee
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi eta_c  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-        PHOTOS PHSP;
+Enddecay

decfiles/dec/2892520061.dec

@@ -0,0 +1,24 @@
+# EventType: 2892420060
+# Descriptor: [e+ e- -> J/psi [-> e+ e-] eta_c(2S)]
+# NickName: ee_Jpsietac2s_ee
+# Documentation: Double charmonium production.
+# Tested: Yes
+# PhysicsWG: Charmonium
+# Responsible: Kirill Chilikin
+# Email: [email protected]
+# Cuts: None
+# Date: 20220113
+#
+# This decay model is intended for phase-space-dependent efficiency
+# determination. All exclusive decays have the PHSP distributuion.
+# Do not use it for one-dimensional analyses without proper reweighting.
+
+Alias MyJ/psi J/psi
+
+Decay vpho
+1.0   MyJ/psi eta_c(2S)  PHSP;
+Enddecay
+
+Decay MyJ/psi
+1.0   mu+ mu-            PHOTOS PHSP;
+Enddecay