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2015:groups:tools:vbb [2016/01/30 10:05] vitaliano.ciulli [Ongoing work and planned contributions:] |
2015:groups:tools:vbb [2016/03/03 00:06] christian.reuschle [github instructions] |
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=== Herwig (Graeme, Christian) === | === Herwig (Graeme, Christian) === | ||
- | * Z+bb | + | Preliminary results for Zbb production in the 5FS can be found on http://www.hep.man.ac.uk/u/graeme/public/LH_Vbb/preliminary/Zbb/ |
- | * W+bb(?) | + | * Shown are the four matching-shower combinations of Herwig7, i.e. |
+ | - NLO$\oplus$QTilde aka MCatNLO-based matching with the angular ordered shower, | ||
+ | - NLO$\oplus$Dipole aka MCatNLO-based matching with the dipole shower, | ||
+ | - NLO$\otimes$QTilde aka Powheg-based matching with the angular ordered shower, | ||
+ | - NLO$\otimes$Dipole aka Powheg-based matching with the dipole shower. | ||
+ | * The uncertainty bands are from scale variations with respect to all scales in the hard sub-processes and in the shower, i.e. muR, muF (and the corresponding scales of alpha_s and pdf arguments in the shower) and muQ (shower start scale). | ||
+ | * The central scale choice is a fixed scale (Z mass) at the moment for muR=muF=muQ. | ||
+ | * The PDF sets being used are the default PDF sets to which the showers are tuned, i.e. MMHT2014lo68cl and MMHT2014nlo68cl. | ||
+ | * Statistics: 40k, unweighted. | ||
+ | |||
+ | |||
+ | Preliminary results for Zb production in the 5FS can be found on http://www.hep.man.ac.uk/u/graeme/public/LH_Vbb/preliminary/Zb/ | ||
+ | * Description: see 1. through 4. above. | ||
+ | * Statistics: 100k, unweighted. | ||
+ | |||
+ | |||
+ | Preliminary results for Zbb production in the 4FS can be found on http://www.itp.kit.edu/~reuschle/.Plots_2016_LHVbb_Preliminary/Zbb4FS/plots_NNPDFnf4_BnotinJ_0Jet_MCatNLO-DefaultShower_WeightedOn_Central/ | ||
+ | * Shown is the NLO$\oplus$QTilde aka MCatNLO-based matching with the angular ordered shower. | ||
+ | * No scale variations. | ||
+ | * The central scale choice is a fixed scale (Z mass) at the moment for muR=muF=muQ. | ||
+ | * The PDF set being used is NNPDF30_nlo_as_0118_nf_4. | ||
+ | * Statistics: 1M, weighted. | ||
+ | |||
+ | |||
+ | Preliminary results for Wbb production in the 4FS can be found on http://www.itp.kit.edu/~reuschle/.Plots_2016_LHVbb_Preliminary/Wbb4FS/plots_AllPDFs_BinJ_1Jet_MCatNLO-DefaultShower_WeightedOff_Central/ or similarly for on http://www.itp.kit.edu/~reuschle/.Plots_2016_LHVbb_Preliminary/Wbb4FS/plots_AllPDFs_BnotinJ_0Jet_MCatNLO-DefaultShower_WeightedOff_Central/ | ||
+ | * The difference between the two is that for one we require one jet (which may contain a b quark) with a certain min pT (first link), for the other we don't cut on the b quarks at all (second link). | ||
+ | * Shown is the NLO$\oplus$QTilde aka MCatNLO-based matching with the angular ordered shower. | ||
+ | * No scale variations. | ||
+ | * The central scale choice is a fixed scale (W mass) at the moment for muR=muF=muQ. | ||
+ | * There is a choice of different PDF sets being used, i.e. | ||
+ | - MMHTnf5: MMHT2014lo68cl and MMHT2014nlo68cl, | ||
+ | - MMHTnf4: MMHT2014nlo68cl_nf4, | ||
+ | - NNPDFnf5: NNPDF30_lo_as_0118 and NNPDF30_nlo_as_0118, | ||
+ | - NNPDFnf4: NNPDF30_lo_as_0118_nf_4 and NNPDF30_nlo_as_0118_nf_4. | ||
+ | * Statistics: 100k, unweighted. | ||
+ | |||
+ | |||
+ | The remaining parts of the description of the run setups can be found in the vbb.pdf file in the draft for the proceedings. | ||
+ | ==== github instructions ==== | ||
+ | |||
+ | To setup your local repository | ||
+ | - go to github.com and get an account | ||
+ | - log in, go to https://github.com/vciulli/leshouches_vbb | ||
+ | - In the top-right corner of the page, click Fork | ||
+ | - open a shell where git is available | ||
+ | - clone the repository with the command: git clone git@github.com:your_git_username/leshouches_vbb.git | ||
+ | - if you have problems with ssh publickey try: git clone https://github.com/your_git_username/leshouches_vbb.git | ||
+ | - enjoy | ||
+ | |||
+ | To start contributing | ||
+ | - modify/add a file | ||
+ | - add file(s) to local repository: git add filename.bla | ||
+ | - commit file(s) to local repository: git commit -m "commit messate" filename.bla | ||
+ | - "push" modifications to your remote (i.e. github) repository : git push | ||
+ | - inform Vitaliano to include your modifications to the main repositiry | ||
+ | |||
+ | To synch your repository with the main repository | ||
+ | - git pull https://github.com/vciulli/leshouches_vbb master |