ATLAS Memo

Developer Toolset

Tutorial

scl enable devtoolset-2 bash
./bin/mg5_aMC
tutorial aMCatNLO

WH

./bin/mg5_aMC

generate p p > w+ h
add process p p > w- h@2
output WH
exit

cd WH
cd Source
make 
cd ../SubProcesses
cd P0_qq_wph
make

./madevent
100 10 1000
0.01
2
0
0
1
 -------------------------------------------------------------------------------
 Accumulated results:   Integral =  0.6855E+00
                        Std dev  =  0.4835E-03
                       Cross sec =  0.6855E+00
             Chi**2 per DoF.     =      2.2973
 -------------------------------------------------------------------------------

cd ../P2_qq_wmh
make

./madevent
100 10 1000
0.01
2
0
0
1
 -------------------------------------------------------------------------------
 Accumulated results:   Integral =  0.4199E+00
                        Std dev  =  0.2722E-03
                       Cross sec =  0.4199E+00
             Chi**2 per DoF.     =      0.3062
 -------------------------------------------------------------------------------

cd ../../bin
./generate_events
0
0
INFO: Combining Events 
  === Results Summary for run: run_02 tag: tag_1 ===

     Cross-section :   1.106 +- 0.0006607 pb
     Nb of events :  10000

W+HH

./bin/mg5_aMC
generate p p > w+ h h
output WpHH
exit
cd WpHH/
cd Source/
make
cd ../SubProcesses/
cd P0_qq_wphh/
make
./madevent
100 10 1000
0.01
2
0
0
1
 -------------------------------------------------------------------------------
 Accumulated results:   Integral =  0.2443E-03
                        Std dev  =  0.4608E-06
                       Cross sec =  0.2443E-03
             Chi**2 per DoF.     =      3.0715
 -------------------------------------------------------------------------------

cd ../../bin
./generate_events
0
0
INFO: Combining Events 
  === Results Summary for run: run_01 tag: tag_1 ===

     Cross-section :   0.000245 +- 3.811e-07 pb
     Nb of events :  10000

W-HH

 -------------------------------------------------------------------------------
Accumulated results:   Integral =  0.1283E-03
                       Std dev  =  0.2261E-06
                      Cross sec =  0.1283E-03
            Chi**2 per DoF.     =      2.5898
-------------------------------------------------------------------------------
INFO: Combining Events 
 === Results Summary for run: run_01 tag: tag_1 ===

    Cross-section :   0.0001284 +- 1.818e-07 pb
    Nb of events :  10000

lnubbbb

generate p p > l+ vl b b~ b b~ 
add process p p > l- vl~ b b~ b b~ @2
    Cross-section :   0.1422 +- 0.0003075 pb

Wbbbb

generate p p > w+ b b~ b b~
add process p p > w- b~ b b b~@2
    Cross-section :   0.855 +- 0.002018 pb

WHbb

generate p p > w+ h b b~ 
add process p p > w+ h b b~@2
    Cross-section :   0.00926 +- 2.105e-05 pb

Htb

generate p p > H t b~
add process p p > H t b~@2
    Cross-section :   0.002029 +- 6.317e-06 pb

tbbb

generate p p > t b~ b b~ 
add process p p > t~ b b b~@2
    Cross-section :   0.0558 +- 0.0001478 pb

ttH

generate p p > t t~ H 
     Cross-section :   0.3984 +- 0.0009163 pb

ttbb

generate p p > t t~ b b~ 
    Cross-section :   13.66 +- 0.03547 pb

ttHH

generate p p > t t~ h h
    Cross-section :   0.0007459 +- 2.293e-06 pb

Cross sections

  • BR(W->enu)+BR(W->munu)=21.32%
  • BR(H(125)->bb)=57.7%
  • BR(t->Wb)=100%
  • WHH->lnubbbb: 26.5 ab
  • WHbb->lnubbbb: 1,139 ab
  • Wbbbb: 182,286 ab
  • Htb->bbWbb->bblnubb: 249 ab
  • tbbb->Wbbbb->lnubbbb: 11,897 ab
  • ttH->WbWbbb->lnubXbbb: 49,009 ab
  • ttbb->WbWbbb->lnubXbbb: 2,912,312 ab
26.5 ab x 3000 fb-1 x 0.6 (lep acc, eff) x 0.4^4 (b-jet acc, eff) = 1.22 event
26.5 ab x 3000 fb-1 x 1.0 (lep acc, eff) x 1.0^4 (b-jet acc, eff) = 79.5 events

Multi heavy quark pair production

processcross section [pb]Number of diagrams
bbbar4.178e+08 ± 4.4e+0511 diagrams (4 independent)
bbbarbbbar8.931e+05 ± 2e+03184 diagrams (86 independent)
bbbarbbbarbbbar2609 ± 549162 diagrams (4962 independent)
ttbar504.9 ± 0.811 diagrams (4 independent)
ttbarttbar0.008987 ± 2.8e-05184 diagrams (86 independent)

Multi photon production

Number of photonscross section [pb]Number of diagrams
2148.4 ± 0.5616 diagrams (4 independent)
30.102 ± 0.0003348 diagrams (12 independent)
40.0001826 ± 5.7e-07192 diagrams (48 independent)
52.614e-07 ± 3e-08960 diagrams (240 independent)

ttH->bb at ATLAS

Self coupling

mc12_14TeV.189994.MadGraphPythia8_AU2CTEQ6L1_gg_hh125_4lbb_lambda02.evgen.EVNT.e3153

https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/HiggsProspectsMC

Heavy neutrino

/cvmfs/atlas.cern.ch/repo/sw/software/x86_64-slc6-gcc47-opt/19.2.4/madgraph/MG5_aMC_v2_2_3_p3/bin/mg5_aMC

import model lrsm_1_3_2_UFO 
define w2 = w2+ w2-
define w = w+ w-
define n = n1 n2 n3
define l+ = e+ mu+ ta+
define l- = e- mu- ta-
define l = l+ l-
define rm = all / p
define rm = rm / l 
define rm = rm / n
define rm = rm / w2

generate p p > w2, (w2 > l n , ( n > l j j /rm))
output -f

generate p p > w, (w > l n , ( n > l j j /rm))
output -f

generate p p > w+, (w+ > mu+ n, ( n > mu- w+, (w+ > mu+ vm)))
output -f

generate p p > w+, (w+ > mu+ n, ( n > mu- w+, (w+ > j j)))
output -f
generate p p > w, (w > mu n2 , (n2 > mu w , w > j j))
# zero cross section
generate p p > w+, (w+ > mu+ n2 , (n2 > mu- w+, w+ > mu+ vm))
# zero cross section
generate p p > w+, (w+ > mu+ vm)

https://twiki.cern.ch/twiki/bin/view/AtlasProtected/ExoticsValidationPlots

https://indico.cern.ch/event/364141/contributions/1779947/attachments/724680/994605/20150114dibosoncorrected.pdf


添付ファイル: fileqq_ttH.pdf 113件 [詳細] filelnubbbb.pdf 82件 [詳細] fileqq_ttHH.pdf 183件 [詳細] fileqq_ttbb.pdf 109件 [詳細] filetbbb.pdf 117件 [詳細] filegg_ttbb.pdf 112件 [詳細] filegg_ttHH.pdf 117件 [詳細] fileW+HH.pdf 76件 [詳細] fileWHbb.pdf 128件 [詳細] fileWbbbb.pdf 112件 [詳細] filegg_ttH.pdf 104件 [詳細] fileHtb.pdf 110件 [詳細]

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Last-modified: 2016-11-18 (金) 00:20:29 (1195d)