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January Updates on WH/ZH Analysis and Upcoming Moriond Results

Ongoing preparations for the WH/ZH → llbb paper are in progress for the upcoming January Moriond. We anticipate critical results (limits) this evening, including statistical observations and median results. Specific attention is needed on missing MC for Z → νν + H.F. and the Boosted VH analyses focusing on WH → lνbb. The expected ttH results relevant to Moriond will also be discussed in our weekly meetings. Please refer to our COM note and SVN for further information and updates.

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January Updates on WH/ZH Analysis and Upcoming Moriond Results

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  1. HSG5: Plans for January/Moriond • Ongoing: preparations for paper on WH/ZH->llbb for January • COM note (ATL-COM-PHYS-2011-1648): https://cdsweb.cern.ch/record/1404176? • SVN area for note: https://svnweb.cern.ch/trac/atlasgrp/browser/Physics/Higgs/HSG5/data_7TeV/ATL_COM_PHYS_2011_1648 • Results (limits) expected tonight… • Stat and lumi only: Lianliang: mH  observed    median  +2 sigma  +1 sigma  -1 sigma  -2 sigma 120  4.916        3.690       6.878           5.131       2.656  1.979    Lilje: mH  observed    median  +2 sigma  +1 sigma  -1 sigma  -2 sigma 120  4.91408   3.68994  6.88497    5.13585   2.65908  1.98069 • For Moriond: • ZH->ννbb – need to urgently review some missing MC (Z->νν+H.F.) • Boosted VH – mostly WH->lνbb • ttH results expected this week in rel.16, 1fb-1, but for beyond Moriond HSG5 H->bb Weekly Meeting - 06/12/2011

  2. Statistical only limits: obs    exp      +2sig  +1sig comb   120  4.599  3.015  5.619  4.191  2.170  1.616  WH      120  4.916  3.690  6.878  5.131  2.656  1.979  ZH       120  7.596  5.439 10.139  7.563  3.916  2.917 With overall uncertainty:   obs    exp      +2sig  +1sig comb  120    nan  3.681  6.863  5.119  2.650  1.974  WH     120  5.224  4.590  8.555  6.382  3.304  2.461  ZH      120  8.269  6.133 11.414  8.514  4.408  3.284 HSG5 H->bb Weekly Meeting - 06/12/2011

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