2023:groups:smhiggs:ggf-background-vbf:start
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2023:groups:smhiggs:ggf-background-vbf:start [2023/06/16 14:45] alexander.huss |
2023:groups:smhiggs:ggf-background-vbf:start [2023/06/20 09:42] (current) saptaparna.bhattacharya |
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| * Study top mass dependence at [[https://arxiv.org/abs/2110.06953|NLO_FTapprox]] | * Study top mass dependence at [[https://arxiv.org/abs/2110.06953|NLO_FTapprox]] | ||
| * Compare to impact of [[https://indico.ph.ed.ac.uk/event/118/contributions/2401/attachments/1273/1802/RADCOR23_Jaskiewicz_talk.pdf|HEJ]] (see slide 6) | * Compare to impact of [[https://indico.ph.ed.ac.uk/event/118/contributions/2401/attachments/1273/1802/RADCOR23_Jaskiewicz_talk.pdf|HEJ]] (see slide 6) | ||
| + | * in HH, the effects were more sizeable [https://arxiv.org/pdf/1803.02463.pdf]; can we understand what differs for H+2j? | ||
| + | * A possible simple prescription for Powheg: use LO ratio (exact/HTL) evaluated on Born-projected kinematics as a first approximation. | ||
| == Setup == | == Setup == | ||
| Line 21: | Line 23: | ||
| Event definition/selection: | Event definition/selection: | ||
| * jets: anti-kT with $R=0.4$ | * jets: anti-kT with $R=0.4$ | ||
| - | * $p_{\mathrm{T},j} > 30\,\mathrm{GeV}$ ''[only 30 ok? need 20?]'' | + | * $p_{\mathrm{T},j} > 30\,\mathrm{GeV}$ |
| - | * $|\eta_j| < 4.7$ ''[rapidity or pseudo-raidity?]'' | + | * $|\eta_j| < 4.7$ |
| * $m_{jj} > 300\,\mathrm{GeV}$ | * $m_{jj} > 300\,\mathrm{GeV}$ | ||
| - | * $|\Delta y_{jj}| > 2$ ''[rapidity or pseudo-raidity?]'' | + | * $|\Delta y_{jj}| > 2$ |
| - | * ''[no rapidity selection on Higgs?]'' | + | * no rapidity selection on Higgs |
| Histograms and binning: | Histograms and binning: | ||
| - | * single-differential $m_{jj}$: ''[300,500,700,900,1100,∞]'' | + | * double-differential ($m_{jj} \times p_\mathrm{T,H}$): ''[300, 500, 700, 900, 1100, ∞] × [0, 80, 120 ,260, 500, 850, ∞]'' |
| - | * single-differential $\Delta y_{jj}$: ''[2,4,5,6,7,∞]'' | + | * double-differential ($m_{jj} \times \Delta\phi_{jj}$): ''[300, 500, 700, 900, 1100, ∞] × [0, π/4, π/2, 3π/4, π]'' |
| - | * double-differential ($m_{jj} \times p_\mathrm{T,H}$): ''[300,500,700,900,1100,∞] × [0,80,120,260,500,850,∞]'' | + | * double-differential ($m_{jj} \times \Delta y_{jj}$): ''[300, 500, 700, 900, 1100, ∞] × [2, 4, 5, 6, 7, ∞]'' |
| - | * double-differential ($m_{jj} \times \Delta\phi_{jj}$): ''[300,500,700,900,1100,∞] × [0, π/4, π/2, π]'' ''[which one? 200 GeV or "with steps of 50 GeV in Mjj"]'' | + | * double-differential ($p_\mathrm{T,H} \times \Delta y_{jj}$): ''[0, 80, 120 ,260, 500, 850, ∞] × [2, 4, 5, 6, 7, ∞]'' |
| - | * double-differential ($m_{jj} \times \Delta y_{jj}$): ''[300,500,700,900,1100,∞] × [2-9] (in steps of 0.1?!)'' ''[which one? 200 GeV or "with steps of 50 GeV in Mjj"; is there a deltay bin 0-2?]'' | + | |
| + | Underlying event tunes in CMS: | ||
| - | +STSX | + | *'Tune:preferLHAPDF = 2', |
| - | +DeltaPhiJJ splitting (0-pi/2 + pi/2-pi) within the mJJ x pTH binning of STXS | + | *'Main:timesAllowErrors = 10000', |
| + | *'Check:epTolErr = 0.01', | ||
| + | *'Beams:setProductionScalesFromLHEF = off', | ||
| + | *'SLHA:minMassSM = 1000.', | ||
| + | *'ParticleDecays:limitTau0 = on', | ||
| + | *'ParticleDecays:tau0Max = 10', | ||
| + | *'ParticleDecays:allowPhotonRadiation = on', | ||
| - | Delta Phi jj: 0-pi/4-pi/2-3/4 pi-pi | + | *'Tune:pp 14', |
| - | NB: double check that the distribution is actually symmetric!!! | + | *'MultipartonInteractions:ecmPow=0.03344', |
| + | *'MultipartonInteractions:bProfile=2', | ||
| + | *'MultipartonInteractions:pT0Ref=1.41', | ||
| + | *'MultipartonInteractions:coreRadius=0.7634', | ||
| + | *'MultipartonInteractions:coreFraction=0.63', | ||
| + | *'ColourReconnection:range=5.176', | ||
| + | *'SigmaTotal:zeroAXB=off', | ||
| + | *'SpaceShower:alphaSorder=2', | ||
| + | *'SpaceShower:alphaSvalue=0.118', | ||
| + | *'SigmaProcess:alphaSvalue=0.118', | ||
| + | *'SigmaProcess:alphaSorder=2', | ||
| + | *'MultipartonInteractions:alphaSvalue=0.118', | ||
| + | *'MultipartonInteractions:alphaSorder=2', | ||
| + | *'TimeShower:alphaSorder=2', | ||
| + | *'TimeShower:alphaSvalue=0.118', | ||
| + | *'SigmaTotal:mode = 0', | ||
| + | *'SigmaTotal:sigmaEl = 22.08', | ||
| + | *'SigmaTotal:sigmaTot = 101.037', | ||
| + | *'PDF:pSet=LHAPDF6:NNPDF31_nnlo_as_0118', | ||
| - | Mjj vs Delta y jj: ([300 - 1.1TeV[+[1.1TeV,\infty]) x (0, 2.0,9.0] with steps of 50 GeV in Mjj and 0.1 in delta yjj. | ||
| - | Delta y jj: 2-4-5-6-7-infty | ||
| - | pTH vs Delta y jj:[0,850,\infty) x (0, 2.0,9.0] with steps of 10 GeV for pTH and 0.1 in delta yjj, | ||
| - | pTH: 0-80-120-260-500-850-infty | ||
2023/groups/smhiggs/ggf-background-vbf/start.1686919521.txt.gz · Last modified: 2023/06/16 14:45 by alexander.huss
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