Changes between Version 8 and Version 9 of MSSM


Ignore:
Timestamp:
Feb 21, 2010, 6:03:35 PM (15 years ago)
Author:
Benjamin Fuks
Comment:

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  • MSSM

    v8 v9  
    4949
    5050In order to validate our implementation, we have performed the following tests.
    51    * '''FeynArts model file generated by FeynRules''': recalculation of the helicity amplitudes related to the hadroproduction of a pair of supersymmetric particles and comparison with the three references:
     51   * '''!FeynArts model file generated by !FeynRules''': recalculation of the helicity amplitudes related to the hadroproduction of a pair of supersymmetric particles and comparison with the three references:
    5252      * [http://www.slac.stanford.edu/spires/find/hep/www?rawcmd=FIND+A+B+FUKS+AND+T+SQUARK+and+t+flavour&FORMAT=www&SEQUENCE= Nucl. Phys. B787 (2007) 1]: G. Bozzi, B. Fuks, B. Herrmann and M. Klasen, ''Squark and gaugino hadroproduction and decays in non-minimal flavour violating supersymmetry.''
    5353      * [http://www.slac.stanford.edu/spires/find/hep/www?rawcmd=FIND+A+B+FUKS+AND+t+gauge-mediated&FORMAT=www&SEQUENCE= Nucl. Phys. B810 (2009) 266]: B. Fuks, B. Herrmann and M. Klasen, ''Flavour Violation in Gauge-Mediated Supersymmetry Breaking Models: Experimental Constraints and Phenomenology at the LHC.''
    5454      * B. Fuks '', private communication''.
    55    * '''Comparison of the built-in CalcHEP (CH-ST) and MadGraph (MG-ST) model files with the FeynRules generated ones, MG-FR and CH-FR,''' through the calculation of various quantities. For each implementation, we have fixed all the parameters to those of <font color="saddlebrown" class="WYSIWYG_COLOR">SPS 1a</font> and set the<font color="saddlebrown" class="WYSIWYG_COLOR"> widths of the particles to zero</font> *.*
    56       * '''1 &rarr; 2''' decay widths for all Standard Model particles and their superpartners (320 channels), for MG-FR and MG-ST: [attachment:decay.tgz decay.tgz].
    57       * '''2 &rarr; 2''' cross sections related to the production of any pair of particles from a Standard Model initial state of <font color="saddlebrown" class="WYSIWYG_COLOR">2x600 GeV</font> and<font color="saddlebrown" class="WYSIWYG_COLOR"> 2x1000 GeV</font>, and for the four implementations CH-ST, CH-FR, MG-ST and MG-FR. <font color="saddlebrown" class="WYSIWYG_COLOR">CalcHEP is run in unitary gauge. </font>
     55   * '''Comparison of the built-in CalcHEP (CH-ST) and !MadGraph (MG-ST) model files with the !FeynRules generated ones, MG-FR and CH-FR,''' through the calculation of various quantities. For each implementation, we have fixed all the parameters to those of __SPS 1a__ and set the __widths of the particles to zero__.
     56      * '''1 to 2''' decay widths for all Standard Model particles and their superpartners (320 channels), for MG-FR and MG-ST: [https://cp3.irmp.ucl.ac.be/projects/feynrules/attachment/wiki/MSSM/decay.tgz decay.tgz].
     57      * '''2 to 2''' cross sections related to the production of any pair of particles from a Standard Model initial state of __2x600 GeV__ and __2x1000 GeV__, and for the four implementations CH-ST, CH-FR, MG-ST and MG-FR. __CalcHEP is run in unitary gauge__.
    5858         * Leptonic initial states (twice 149 channels): [attachment:ee600.jpg ee600.jpg], [attachment:ee1000.jpg ee1000.jpg], [attachment:tautau600.jpg tautau600.jpg], [attachment:tautau1000.jpg tautau1000.jpg], [attachment:enu600.jpg enu600.jpg], [attachment:enu1000.jpg enu1000.jpg], [attachment:taunu600.jpg taunu600.jpg], [attachment:taunu1000.jpg taunu1000.jpg].
    5959         * Quark initial state (twice 181 channels): [attachment:uu600.jpg uu600.jpg], [attachment:uu1000.jpg uu1000.jpg], [attachment:dd600.jpg dd600.jpg], [attachment:dd1000.jpg dd1000.jpg], [attachment:bb600.jpg bb600.jpg], [attachment:bb1000.jpg bb1000.jpg], [attachment:bt600.jpg bt600.jpg], [attachment:bt1000.jpg bt1000.jpg].