Effective squark-chargino/neutralino couplings

Here you can find a MADGRAPH 4/5 model file of the Minimal Supersymmetric Standard Model, which includes the leading SUSY-QCD corrections to the squark-chargino/neutralino couplings. You should read the README.txt file.

Download:

• • Version 1 (22th May 2014, first public version):

    • Readme file: README.txt (32 kb)

    • Source Code: MG-MSSM-files_v1.tar.gz (248 kb)

References:

1. Madgraph home page: http://madgraph.phys.ucl.ac.be/

2. Madgraph:

   • J. Alwall et al., "MadGraph/MadEvent v4: The New Web Generation", JHEP 0709 (2007) 028, DOI:10.1088/1126-6708/2007/09/028, arXiv:0706.2334 [hep-ph]

   • J. Alwall et al., "MadGraph 5 : Going Beyond", JHEP 1106 (2011) 128, DOI: 10.1007/JHEP06(2011)128, arXiv:1106.0522 [hep-ph]

   • J. Alwall et al., "The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations", JHEP 1407 (2014) 079, DOI: 10.1007/JHEP07(2014)079, arXiv:1405.0301 [hep-ph].

3. The original MSSM model file: G.-C. Cho et al., "Weak boson fusion production of supersymmetric particles at the CERN LHC" Phys.Rev. D73 (2006) 054002, DOI: 10.1103/PhysRevD.73.054002, hep-ph/0601063

4. Computation and definition of the effective approximation: J. Guasch, S. Peñaranda, R. Sánchez-Florit "Effective description of squark interactions", JHEP 0904 (2009) 016, DOI: 10.1088/1126-6708/2009/04/016, arXiv:0812.1114 [hep-ph]

5. Madgraph implementation of the effective couplings: A. Abrahantes, J. Guasch, S. Peñaranda, R. Sánchez-Florit, Effective squark/chargino/neutralino couplings: MadGraph implementation, Eur.Phys.J. C73 (2013) 2368, DOI: 10.1140/epjc/s10052-013-2368-z, arXiv:1209.5214 [hep-ph]

6. Manual of the program: A. Abrahantes, "Effective theories and Monte-Carlo simmulations: SUSY Phenomenology at the Large Hadron Collider", PhD Thesis, Universidad de Zaragoza, June 2014