Changes between Version 23 and Version 24 of MadSpin
- Timestamp:
- Jan 26, 2023, 11:14:25 AM (22 months ago)
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MadSpin
v23 v24 24 24 || '''define LABEL = PART1 PART2 ...''' || allows to define an additional multi-particle tag. The multi-particle tags defined in the header of the file are automatically recognized. || 25 25 || '''decay PROCESS''' ||specifies the decay branch initiated by an unstable particle to be decayed by MadSpin. Multi-particle tags can be used for the final state particles (but NOT for initial-state, i.e. before the ">" symbol). || || 26 || '''decay PROCESS @X''' ||Same as above but all decay with the decay of particle with "X" can not be done with a decay with a different X. This allow syntax for semi-leptonic decay (decay w+ > j j @1; decay w- > e- ve @1; decay w+ > e+ ve @2 ; decay w- > j j @2) || '''experimental''' in 3.5.0 ||26 || '''decay PROCESS @X''' ||Same as above but all decay with the decay of particle with "X" can not be done with a decay with a different X. This allow syntax for semi-leptonic decay (decay w+ > j j @1; decay w- > e- ve @1; decay w+ > e+ ve @2 ; decay w- > j j @2) (not tested for spinmode=onshell, expect wrong branching ratio for spinmode=none) || '''experimental''' in 3.5.0 || 27 27 || '''set OPTION VALUE''' ||allows to change some internal options of MadSpin such as the seed or the value of the maximal weight in the unweighting procedure. Type “help options” in the interface for more details on the various available options (and/or see the list below). || || 28 28 || '''launch''' || runs MadSpin according to the specified options/decay channels. || ||