no code implementations • 31 Dec 2020 • P. Slavich, S. Heinemeyer, E. Bagnaschi, H. Bahl, M. Goodsell, H. E. Haber, T. Hahn, R. Harlander, W. Hollik, G. Lee, M. Mühlleitner, S. Paßehr, H. Rzehak, D. Stöckinger, A. Voigt, C. E. M. Wagner, G. Weiglein, B. C. Allanach, T. Biekötter, S. Borowka, J. Braathen, M. Carena, T. N. Dao, G. Degrassi, F. Domingo, P. Drechsel, U. Ellwanger, M. Gabelmann, R. Gröber, J. Klappert, T. Kwasnitza, D. Meuser, L. Mihaila, N. Murphy, K. Nickel, W. Porod, E. A. Reyes Rojas, I. Sobolev, F. Staub
The discovery of a Higgs boson and the remarkably precise measurement of its mass at the LHC have spurred new efforts aimed at improving the accuracy of the theoretical predictions for the Higgs masses in supersymmetric models.
High Energy Physics - Phenomenology
1 code implementation • 6 Sep 2013 • T. Fritzsche, T. Hahn, S. Heinemeyer, F. von der Pahlen, H. Rzehak, C. Schappacher
We describe the implementation of the renormalized complex MSSM (cMSSM) in the diagram generator FeynArts and the calculational tool FormCalc.
High Energy Physics - Phenomenology
4 code implementations • 29 Dec 2007 • B. C. Allanach, C. Balazs, G. Belanger, M. Bernhardt, F. Boudjema, D. Choudhury, K. Desch, U. Ellwanger, P. Gambino, R. Godbole, T. Goto, J. Guasch, M. Guchait, T. Hahn, S. Heinemeyer, C. Hugonie, T. Hurth, S. Kraml S. Kreiss, J. Lykken, F. Moortgat, S. Moretti, S. Penaranda, T. Plehn, W. Porod, A. Pukhov, P. Richardson, M. Schumacher, L. Silvestrini, P. Skands, P. Slavich, M. Spira, G. Weiglein, P. Wienemann
The Supersymmetry Les Houches Accord (SLHA) provides a universal set of conventions for conveying spectral and decay information for supersymmetry analysis problems in high energy physics.
High Energy Physics - Phenomenology
no code implementations • 21 Nov 2006 • T. Hahn
This note describes a Mathematica interface for Fortran code generated by FormCalc.
High Energy Physics - Phenomenology
3 code implementations • 12 Jul 2006 • T. Hahn
Jacobi-type iterative algorithms for the eigenvalue decomposition, singular value decomposition, and Takagi factorization of complex matrices are presented.
Computational Physics High Energy Physics - Phenomenology
no code implementations • 5 Jul 2006 • T. Hahn, J. I. Illana
Programming techniques which extend the capabilities of FeynArts and FormCalc are introduced and explained using examples from real applications.
High Energy Physics - Phenomenology
no code implementations • 30 Jan 2006 • T. Hahn, M. Rauch
The FormCalc package automates the computation of FeynArts amplitudes up to one loop including the generation of a Fortran code for the numerical evaluation of the squared matrix element.
High Energy Physics - Phenomenology
no code implementations • 21 Jun 2005 • T. Hahn
FormCalc is a matrix-element generator that turns FeynArts amplitudes up to one loop into a Fortran code for computing the squared matrix element.
High Energy Physics - Phenomenology
no code implementations • 25 Jun 2004 • T. Hahn
FormCalc is a Mathematica package for the automatic computation of tree-level and one-loop Feynman amplitudes.
High Energy Physics - Phenomenology
no code implementations • 15 Oct 2002 • T. Hahn
The first is the parallelization of the program, which can be surprisingly simple to implement under certain circumstances often met in the calculation of radiative corrections.
High Energy Physics - Phenomenology
1 code implementation • 31 May 2001 • T. Hahn, C. Schappacher
We describe the implementation of the MSSM in the diagram generator FeynArts and the calculational tool FormCalc.
High Energy Physics - Phenomenology
1 code implementation • 20 Dec 2000 • T. Hahn
This paper describes the Mathematica package FeynArts used for the generation and visualization of Feynman diagrams and amplitudes.
High Energy Physics - Phenomenology
1 code implementation • 31 Jul 1998 • T. Hahn, M. Perez-Victoria
Two program packages are presented for evaluating one-loop amplitudes.
High Energy Physics - Phenomenology
