<!-- This is the default ATLAS template. Please modify it in the sections indicated to create your topic! In particular, notice that at the bottom there are some sections that must be filled for publicly accessible pages. If you have any comments/complaints about this template, then please email : Patrick Jussel (patrick dot jussel at cern dot ch) and/or Maria Smizanska (maria dot smizanska at cern dot ch) --> <!--------------------------------------------------- Begin public page header ------------------------------------------> %CERTIFY% %INCLUDE{"Atlas.AtlasPublicTopic"}% <!-- * Set DENYTOPICVIEW = * Set ALLOWTOPICCHANGE=WolfgangMader,AleandroNisati,DaveCharlton,TomLeCompte,KeteviAssamagan,CalebLampen --> ---+!!<nop>Discovery Potential of A/H→τ<sup>+</sup>τ<sup>-</sup>→lh in ATLAS %TOC% <!--optional--> %STARTINCLUDE% <center> <div align="center" > <div style="width:600px; background: rgb(220,230,220); border: 5px solid silver; float: center;"> *This page contains approved plots and results as they appear in the [[http://cdsweb.cern.ch/record/1279115][ATL-PHYS-PUB-2010-011]] note. Only the note contains all the relevant information and should thus be consulted if one of the plots is used. Click on an image to download in eps format. Please contact the HSG Documentation manager if you find any errors on this page.* </div> </div> </center> <!-------------------------------------------End public header --------------------------------------> <div align="center" style="width:800px"> <a href="%ATTACHURL%/objects_trigger.eps"> <img src="%ATTACHURL%/objects_trigger.png" width=60%></img></a> <div style="width:80%;"> *Figure 1:* Trigger efficiency as a function of %$p_T$% for electrons (left) and muons (right). For the extraction of the trigger of the trigger efficiency, a Gaussian error function is fit to the data. In the plateau region, a trigger efficiency of ~ 98% (~ 81%) for electrons (muons) is obtained. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/selection_noBT_dPhi.eps"> <img src="%ATTACHURL%/selection_noBT_dPhi.png" width=33%></img></a> <a href="%ATTACHURL%/selection_noBT_MET.eps"> <img src="%ATTACHURL%/selection_noBT_MET.png" width=33%></img></a> <a href="%ATTACHURL%/selection_noBT_tauPt.eps"> <img src="%ATTACHURL%/selection_noBT_tauPt.png" width=33%></img></a> <a href="%ATTACHURL%/selection_BT_dPhi.eps"> <img src="%ATTACHURL%/selection_BT_dPhi.png" width=33%></img></a> <a href="%ATTACHURL%/selection_BT_MET.eps"> <img src="%ATTACHURL%/selection_BT_MET.png" width=33%></img></a> <a href="%ATTACHURL%/selection_BT_tauPt.eps"> <img src="%ATTACHURL%/selection_BT_tauPt.png" width=33%></img></a> <div style="width:80%;"> *Figure 2:* Optimized selection criteria for %$\Delta\Phi_{\ell,\tau}$% (left), %$E_{T}^{\tau}$% (right) for a Higgs boson mass hypothesis of %$m_A$% = 300 !GeV in the non-b-tagged (top row) and b-tagged (bottom row) analysis. The chosen selection cuts are shown as horizontal black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/background_TransMassWControl.eps"> <img src="%ATTACHURL%/background_TransMassWControl.png" width=49%></img></a> <a href="%ATTACHURL%/background_WControlMassDist.eps"> <img src="%ATTACHURL%/background_WControlMassDist.png" width=49%></img></a> <div style="width:80%;"> *Figure 3:* Transverse mass distribution in the W+jets control region before the transverse-mass window cut is applied (left) and the invariant %$m_{\tau\tau}$% distribution for W+jets events in the control and signal regions (right). </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/background_refhist3.eps"> <img src="%ATTACHURL%/background_refhist3.png" width=49%></img></a> <a href="%ATTACHURL%/background_rescaling_e_mtt.eps"> <img src="%ATTACHURL%/background_rescaling_e_mtt.png" width=49%></img></a> <div style="width:80%;"> *Figure 4:* Left: %$Z \to \tau \tau$% reference histogram showing the visible energy of the hadronically decaying %$\tau$% lepton versus that of the light lepton in the %$Z$%-boson rest frame, for 0.2 < |%$cos \theta_{GJ}$%| < 0.4. Right: Invariant %$m_{\tau\tau}$% distribution for %$Z \to \tau \tau$% events (shaded rectangles) compared with %$Z\to e e$% events after rescaling (points with error bars). </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/background_control300.eps"> <img src="%ATTACHURL%/background_control300.png" width=49%></img></a> <a href="%ATTACHURL%/background_result300.eps"> <img src="%ATTACHURL%/background_result300.png" width=49%></img></a> <div style="width:80%;"> *Figure 5:* Jet multiplicity distribution in the control region (left) and in the signal region (right). In the control region a high purity of %$t\bar{t}$% events is observed. Good agreement between the predicted and the observed number of %$t\bar{t}$% events is achieved in the signal region, in particular for the one-jet and the two-jet bins relevant to this analysis. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_Contour_FinalResult_ll_smooth.eps"> <img src="%ATTACHURL%/results_Contour_FinalResult_ll_smooth.png" width=49%></img></a> <div style="width:80%;"> *Figure 6:* The five-σ discovery potential as a function of tanβ and %$m_A$%. The solid green line is the result of the lepton-hadron analysis. The dashed green lines indicates the effect of the theoretical uncertainty on the signal cross section. The red line gives the results for the fully correlated treatment of systematic uncertainties. The dash-dotted black line shows the discovery potential without inclusion of systematic uncertainties for comparison with previous results. The results from the lepton-lepton analysis are superimposed as blue lines. The solid line indicates the result including only experimental systematic uncertainties and the dashed line indicates the result including a 10% theoretical uncertainty on the %$t\bar{t}$% cross-section. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA150_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA150_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA150_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA150_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 7:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA200_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA200_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA200_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA200_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 8:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA300_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA300_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA300_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA300_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 9:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA450_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA450_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA450_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA450_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 10:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA600_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA600_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA600_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA600_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 11:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <div align="center" style="width:800px"> <a href="%ATTACHURL%/results_MI_mA800_BTag0.eps"> <img src="%ATTACHURL%/results_MI_mA800_BTag0.png" width=49%></img></a> <a href="%ATTACHURL%/results_MI_mA800_BTag1.eps"> <img src="%ATTACHURL%/results_MI_mA800_BTag1.png" width=49%></img></a> <div style="width:80%;"> *Figure 12:* Invariant mass of the %$\tau\tau$% system in the non-b-tagged (left) and the b-tagged analysis (right). The size of the signal contribution is scaled to a tanβ value of 14, corresponding to the value necessary for a five-σ discovery. The mass window used to calculate the significance is indicated by vertical black lines. </div> </div> <!--***********************************************************--> <!--Do NOT remove the remaining lines, but add requested info as appropriate--> <!--***********************************************************--> ----- <!--For significant updates to the topic, consider adding your 'signature' (beneath this editing box)--> *Major updates*:%BR% -- Main.CalebLampen - 22-Jul-2010 <!--Person responsible for the page: Either leave as is - the creator's name will be inserted; Or replace the complete REVINFO tag (including percentages symbols) with a name in the form Main.TwikiUsersName--> %RESPONSIBLE% %REVINFO{"$wikiusername" rev="1.1"}% %BR% <!--Once this page has been reviewed, please add the name and the date e.g. Main.StephenHaywood - 31 Oct 2006 --> %REVIEW% *Never reviewed* %STOPINCLUDE% <!-- * Set ALLOWTOPICCHANGE = atlas-twiki-admins -->
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Topic revision: r2 - 2010-12-20
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