Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-03-05
Physics
High Energy Physics
High Energy Physics - Phenomenology
BRIDGE can be found at http://www.lepp.cornell.edu/public/theory/BRIDGE/ v2: Three-body decays and batch mode added
Scientific paper
We present the manual for the program BRIDGE: Branching Ratio Inquiry/Decay Generated Events. The program is designed to operate with arbitrary models defined within matrix element generators, so that one can simulate events with small final-state multiplicities, decay them with BRIDGE, and then pass them to showering and hadronization programs. BRI can automatically calculate widths of two and three body decays. DGE can decay unstable particles in any Les Houches formatted event file. DGE is useful for the generation of event files with long decay chains, replacing large matrix elements by small matrix elements followed by sequences of decays. BRIDGE is currently designed to work with the MadGraph/MadEvent programs for implementing and simulating new physics models. In particular, it can operate with the MadGraph implementation of the MSSM. In this manual we describe how to use BRIDGE, and present a number of sample results to demonstrate its accuracy.
Meade Patrick
Reece Matthew
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