Working Group 3

• Topic 1 : Survey of the exsisting/missing models.

• Topic 2 : Application of the Les Houches validation scheme.

We would like to perform a 4 star comparison between FR and LH for the following models:

• I. MSSM full validation.
• Description: validation of cMSSM with LH+CH, FR+WO and the WO,SH stock versions.
• Names: Benj, Sasha, Steffen, Christian.
• Status: Several processes have discrepancies. Sasha is looking into the CH files. Here is an example
• To-do: get final agreeement.

• II. Randall-Sundrum.
• Description: validation of RS between MG-stock, FR+CH, FR+WO.
• Names: Neil, Sasha, Priscila, Christian.
• Status: All model files available. Next step is comparison with MG-stock implementation of RS by Priscila and Qiang in v4. Finally, validation with FR+MG5 will be done.
• To-do: get final agreeement.

• III. Walking Technicolor.
• Description: validation of WT FR vs LH versions with CalcHEP and MG and more...
• Names: Sasha, Fabio, Claude.
• Status: To be started. FR version to be validated with the LH version in CH. Paper SB, and Francesco Sannino (​arXiv:0809.0793 [hep-ph]).
• To-do: get final agreeement.

• IV. Little Higgs with T-parity.
• Description: validation of LHwT FR vs LH versions with CalcHEP and MG and more..
• Names: Fabio, Sasha, Celine, Claude, Christian.
• Status: To be started. The LanHEP sources are available by Sasha. Here is the CalcHEP implementation: ​http://hep.pa.msu.edu/LHT/lht.zip An implementation is also available in WHIZARD.
• To-do: get final agreeement.

• V. Lepto-Quarks.
• Description: validation of LHwT FR vs LH versions with CalcHEP and MG and more..
• Names: Fabio, Sasha, Celine, Claude, Christian.
• Status: To be started. Lepto-Quarks : FR version to be validated with the LH version in CH. hep-ph/0502067.To validate this model we need a FR implementation of the Lagrangian in the paper above and its export into, let's say, MG5. Complete version of the CH implementation(including SU(3)xSU(2)xU(1)) is ready and will be available. LeptoQuarks.tgz​.
• To-do: get final agreeement.

• Topic 3 : Structure of the FeynRules web-based Database