TAUOLA for simulation of tau decay and production: perspectives for precision low energy and LHC applications

Details TAUOLA for simulation of tau decay and production: perspectives for precision low energy and LHC applications TAUOLA for simulation of tau decay and production: perspectives for precision low energy and LHC applications

2011-01-09

arxiv.org/abs/1101.1652v1

Nucl.Phys.Proc.Suppl.218:249-255,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at International workshop on Tau Lepton Physics, TAU10 Manchester GB, September, 2010,7 pages

Scientific paper

10.1016/j.nuclphysbps.2011.06.04

The status of Monte Carlo system for the simulation of tau-lepton production and decay in high-energy accelerator experiments is reviewed. Since previous tau-lepton conference in 2008 some practical modifications have been introduced: (i) For the TAUOLA Monte Carlo generator of tau-lepton decays, automated and simultaneous use of many versions of form-factors for the calculation of optional weights for fits was developped and checked to work in Belle and BaBar software environment. Work on alternative paramterizations of hadronic decays is advanced. (ii) the TAUOLA universal interface based on HepMC (the C++ event record) is now public. A similar interface for PHOTOS is now also public. (iii) Extension of PHOTOS Monte Carlo for QED bremsstrahlung in decays featuring kernels based on complete first order matrix element are gradually becoming widely available thanks to properites of the new, HepMC based interface. (iv) Tests of the programs systematized with the help of MC-TESTER are now available for FORTRAN and C++ users. Presented here results illustrate the status of the projects performed in collaboration with Nadia Davidson, Piotr Golonka, Gizo Nanava, Tomasz Przedzinski, Olga Shekhovtsova, El zbieta Richter-Was, Pablo Roig, Qingjun Xu and others.

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