Precision Calculations

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====== SloopS ======
{{ :sloops-logo.png?200 |}}


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{{:sloops_formcalc:formcalc.txt.gz|FormCalc_patch}}  
03/01/2009
Hits: 2
The model with classes generated by LanHEP 3.0.3 requires to patch the FormCalc. Open the FormCalc.m or FormCalc41My.m (check exactly which file you use, e.g. in the first lines of genscat.m) and find the FindRenConst procedure. Replace it by code provided here. FormCalc6.0 and later has this problem already fixed.

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==== Espace Nans-Guillaume, Scheme Coan ====


This is for Nans and Guillaume to exchange docs especially as concerns the comparison in the neutralino-chargino sector and the scheme dependence. Merci Chef.


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{{:sloops_notes:tableaux_coeff_a_et_bv7.pdf|tableaux_coeff_a_et_bv7}} hot!  
01/12/2009
Hits: 20
Here is a note showing the tables of the coefficents a & b of the thermal averaging of the 4 principal channels contributing to the relic density.

		


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sourcesnotes.tar  
01/12/2009
Hits: 3
This archive file contents are the LATEX sources of the tableaux_coeff_a_et_b.pdf, note_relique.pdf, note_renorm_charg_neut.pdf

	


 
parameters_sloops_micromegas  
01/20/2009
Hits: 8
This text file contains the Parameters & Masses used in SloopS and MicrOmegas [Nans]. We see clearly a difference between the computation of the N_12 parameter (and also MNE2):
N_12 [SloopS]=-0.29 N_12[MicrOmegas]=-0.19  MNE2[SloopS]=119.3 GeV MNE2[MicrOmegas]=124.7 GeV   These values induce the difference observed in the relic density calculation. But the question is why Suspect gives these numbers? I don't see... 

		
	note_renorm_charg_neuthot!  
01/12/2009
Hits: 18
Here is a note giving the formulas for the renormalization scheme with 2 neutralinos and a chargino.

		

 
note_relique  
01/12/2009
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Here is a note summarizing the details of the calculation of the relic density in the coannihilation scenario between neutralinos and charginos.



Working Notes: Implementation, Comments
 
Working Notes: Implementations, Comments
Only for members of the Collaboration

Documents
Date added
Order by : Name | Date | Hits [ Ascendant ]
 
Renorm_QCDhot!  
01/14/2011
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Here is the note describing the renormalisation of the QCD sector in the Standard Model.

		
		

 
Note_on_the_non_zero_trilinear_couplinghot!  
11/06/2008
Hits: 14

		


 
Note_on_complex_parametershot!  
10/30/2008
Hits: 22
Here is a note where you can find comparison and checks between real and complex parameters.

		

 
note_gaugefixinghot!  
12/01/2008
Hits: 23

	

 
Neutralino-chargino_coannihilation_GDRSUSY08_Orsay  
12/08/2008
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Here is a talk given for the GDR SUSY 08 concerning the calculation of the relic density at one-loop in a scenario of coannihilation between chargino and neutralinos.

		



Versions of the Code (Not Public)
 
Versions of the Code, ....
You must leave all versions of the code here. We will discuss in detail how to finalise this. A code should come with a note. Please specify on which version of FeynArts/..package, Mathematica the version runs. Also specify on which machine/ account this code has been tested.
It is best to leave a version on this server. I will make a copy in a repository on the lapp server just in case.
if you want feedback from the collaboration on a certain write-up or document it is perhaps a better idea to use the forum.
Thank you!

Documents
Date added
Order by : Name | Date | Hits [ Ascendant ]
 
UseBases.tar  
12/17/2009
Hits: 5
Use Bases as integrator
 To add the path, you can do like this in makefile:
 BS = /home/~/basesv5.1 
 STDLIBS = -L$(BS) -lbases 
 

		

 
source_for_model_88hot!  
03/01/2009
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Source (i.e. LanHEP input files) for the model88: sfermion sector is fixed for nonzero trilinear coupling; switches in the beginning of susy.mdl file allow to choose among real or complex neutralino mixing matrix, and to use or not to use classes. LanHEP 3.0.3 is required to process the model.

		


 
SloopS-FC6.tarhot!  
12/10/2009
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Frozen Version of SloopS with FormCalc-6.0, FeynArts-3.4, LoopTools-2.4. Installation instructions inside the archive file.

		


 
sigmaV.tar  
04/21/2010
Hits: 6
To calculate sigma*V in SloopS, do some changes in xsection.F  following the notes sigmaV.

		


 
sigmav  
05/26/2010
Hits: 4
Here is the LT-oldversion for the calculation of  o1o1zr and o1o1rr using segmentation. This is the old version used  by Andrei, Nans, David.
Documents
Date added
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Scan.tar  
12/11/2009
Hits: 6
The scanning tool for Sloops Model.
Performs a scan on 2 to 2 MSSM processes, with loops on non linear gauge parameter and Cuv (that can be easily modified).

		
		

 
renorm_scheme_sourcehot!  
11/06/2008
Hits: 12
Here you can find the susy_reno2 which correspond to the renormalization of the chargino/neutralino sector with ~o1,~o2,~1+ and the corresponding output files (.mod,.h,.gen,.F) with real parameters for the neutralino mass matrix. There is also susy_renc2 which is the same as the former file but with ~o1,~1+,~2+ as inputs. It has to be noticed that in these files implementation of non-linear gauge fixing for A0 and H+ is not done yet.

		


 
NMSSM-model-cplx.tar  
12/13/2010
Hits: 1
Here are the model files for the NMSSM in FormCalc 4. Installation and instructions are in the archive in the file INSTALLATION.

		
 
neutd.tar  
11/25/2009
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neutd.F is the file needed for the diagonalisation of the neutralino mass matrix with complex parameters.

	


 
mssmrc102.tar  
11/10/2010
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model102 is a model of tree-level MSSM plus effective couplings for neutralinos. It is based on mssmrc100. Check the readme to have more information.
This is version 1.0
 
Run with lhep -fa6 -abbr susy.mdl
CAUTION: To generate correctly the cross section you must change your usual mathematica file! See effective_neutralinos.pdf. One example is given in fcalc.m
 
	Order by : Name | Date | Hits [ Ascendant ]
 
MSSM-sunhao.tar  
09/29/2010
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This is the model file I use.

	 
modelSMQCDrc.tarhot!  
01/13/2011
Hits: 12
Here you can find the LanHEP file for generating the model files for FormCalc 6 and an example of output name model7 with the usual command :

./lhep -fa6 -abbr SMQCDrc.mdl 

 CAUTION : There is in fact a difference between the ouput of LanHEP and the version of model7.mod. It seems that the shift on the 4 gluons vertex is not done correctly. In the file model7.mod present in the archive I have modified it by hand such that it is correct for FormCalc 6.

 You can also find a mathematica file for generating the process b bbar => t tbbar with only QCD corrections, but with all born contributions (EW +QCD).

 Only UV finiteness has been checked

		


 
model90 source fileshot!  
04/26/2009
Hits: 16
model90 is Spring'09 MSSM+rc version. Complex parameters. Uses classes by default. RC for sfermions are slightly improved. Needs LanHEP 3.0.4. Run ../lhep -fa6 -abbr susy to get files for FormCalc 6.0.

		

 
model90hot!  
04/26/2009
Hits: 10
model90 files - Spring'09 MSSM+rc version.  Complex parameters are implemented. Uses classes, since all known bugs with them are fixed. FormCalc 6.0 format.

		Download 
		


 
model89  
03/01/2009
Hits: 1
model89.*, mdl_ini89.F: the MSSM with complex neutralino mixing and with classes. It is the same as model88 but uses classes. All decays are checked and found to be finite. Many scattering processes are  checked, the only problem is: 2 squarks into 2 squarks are divergent (in the model without classes it is finite). This model requires modification in the FormCalc! (Bug fixed in FormCalc6.0).

	

model88  
03/01/2009
Hits: 1
model88.*, mdl_ini88.F:  the MSSM with complex neutralino mixing and no classes. Some processes can not be calculated due to large size (FormCalc crashes); all processes which can be calculated are finite.

		
 
Model80/81 [Version used by Nans]  
12/09/2009
Hits: 7
Nans currently uses these models: Model80 (with real parameters) and Model81 (for complex parameters). Compiled with lanhep302 (without improved classes and stuff like that) and then with FormCalc-4.1. Uploaded for Genevieve. 

	


 
model5hot!  
04/22/2009
Hits: 15
Standard Model with classes, FormCalc 6.0 format. Physics is equivalent to the old model4.

		
		

 
LoopTools-2.3-segmentation.tar  
05/19/2010
Hits: 5
LoopTools with segmenataion:
To use it, change
EpsGram3 and EpsGram4 in /util/ffini.F .
These are the boundary to use segmentation. The default value is 
EpsGram3=1D-5
EpsGram4=1D-6

		


 
LanHEP_3.0.3  
03/01/2009
Hits: 3
This is LanHEP ver. 3.0.3: some bugs related to classes were fixed. Patterns can be used for input statements (see sfermions RC in model88 source). Required for model88 generation.

		
Documents
Date added
Order by : Name | Date | Hits [ Ascendant ]
 
LanHEP source files - mssmrc100hot!  
12/18/2009
Hits: 13
Light version of the source code (useless switches for SUGRA, CP etc... are completely removed). The former renormalisation file is now splitted in several files (fermion, gauge, higgs, ino, sfermion) in order to include other renormalisation schemes quite easily. There are two files for the renormalisation scheme of the -inos. Model100 is defined in the c1c2o1 scheme. This models solves partially the problem of the gauge dependence for external A0/H+ processes (problems still occuring only when A0/H+ appears both in external AND internal lines). New definitions for dZ_GA/H+ are included in susy_rchig2.mdl.
Version using lanhep3.0.4/FormCalc6.0. Compiled with the command ../lhep -fa6 -abbr susy. Some checks have been done but a careful attention should be paid on sfermion processes.

		

 
LanHEP 3.0.4hot!  
04/26/2009
Hits: 12
LanHEP 3.0.4: compex parameters; FormCalc6.0 format available with -fa6 option; new features allow to define templates for declarations (see sfermion RC in model90). Document linked to :http://theory.sinp.msu.ru/~semenov/lhep304.tar.gz Link created on :Sun, 2009-Apr-26 18:21

	

 
FormCalc_patch  
03/01/2009
Hits: 2
The model with classes generated by LanHEP 3.0.3 requires to patch the FormCalc. Open the FormCalc.m or FormCalc41My.m (check exactly which file you use, e.g. in the first lines of genscat.m) and find the FindRenConst procedure. Replace it by code provided here. FormCalc6.0 and later has this problem already fixed.
Precision Calculations

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