Changes between Version 14 and Version 15 of MadSpin

Timestamp:

Jan 13, 2017, 11:14:10 AM (8 years ago)

Author:

Olivier Mattelaer

Comment:

--

MadSpin

@@ -111 +111 @@
    1. '''set onlyhelicity True''': [[BR]]
       Activate a mode where no decay is performed but where helicity is assigned to the event (according to the LO matrix-element).'''New in 2.2.3'''
-   1. '''set spinmode [none|madspin]'''[default:madspin] [[BR]]
-      Allow to choose the spin-correlation mode of the decayed event. '''New in 2.3'''
-      This mode do not include spin-correlation between production and decay, neither does he smear the invariant mass of the particle. But this mode allows to do three body decay and loop-induced decay which are not handle in other mode.
-   1. '''set use_dkevtfiles PATH''' [default:0]: [[BR]]
-      Allow to use a previously generated file for the events decay. '''Not yet release'''
+   1. '''set spinmode [none|onshell|madspin]'''[default:madspin] [[BR]]
+      a. '''madspin''' default mode with full-spin correlation and off-shell effect
+      b. '''none'''(new in 2.3) No spin-correlation between production and decay. No off-shell effects. However this mode allows to handle three-body decay and loop induced processes. Due to the lack of spin-correlation it is mainly intended for scalar particle (and in particular the Higgs).
+      c. '''onshell'' (new in 2.5.3) Keep the full spin-correlation but keep the particle exactly off-shell. 
+         Supports three-body decay but not loop-induced processes (in either production or decay). Intended for particle with small width without any two body decay.    
+         This mode requires f2py program to be available on your machine.
+   1. '''set run_card PATH''': [[BR]]
+      Only for mode "none" or "onshell". This defines the cut to apply to the 1>N sample. Those cut will be applied in the frame where the particle is at rest. Transverse cut are meaningless in that card and should be kept to zero.