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Top Quark Physics in Belgium Period 2003-2009

Top Quark Physics in Belgium Period 2003-2009. a s part of the CMS collaboration 5 key staff members : Prof. J.D’Hondt (VUB) , Prof . C.Vander Velde (ULB) , Prof. V.Lemaitre (UCL) , Dr. E.Daubie ( UMons ), Prof. M.Grunewald ( UGent ) i n total 14 PhD students & 8 post- docs

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Top Quark Physics in Belgium Period 2003-2009

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  1. Top Quark Physics in Belgium Period 2003-2009 • as part of the CMS collaboration • 5 key staff members: Prof. J.D’Hondt (VUB), Prof. C.VanderVelde (ULB), • Prof. V.Lemaitre (UCL), Dr. E.Daubie (UMons), Prof. M.Grunewald (UGent) • in total 14 PhD students & 8 post-docs • convenorship of Top Quark physics in CMS (Prof. J.D’Hondt), subgroup convenorship • for Single-top physics (Dr. A.Giammanco) • two times winner of the annual CMS Thesis Award (Dr. S.Lowette& Dr. J.Heyninck) • in total~25notes/papers (~400pages of research results) & ~25 conference talks • connection to phenomenology of top quark physics in Belgium (Prof. F.Maltoni) • involvement in different areas, examples: commissioning activities for top quark • physics,calibration of jets, calibration of b-tagging algorithms, commissioning of • particle flow and other methods for top quark physics, diverse measurements (cross • section, mass, Vtb, angular distributions), search for new physics in the top quark • sector (fourthgeneration, resonances, charged Higgs, …) • organizersof the 3rd International Top Quark Workshop (Bruges, May-June 2010)

  2. Top Quark Physics in Belgium Period 2003-2009 Some examples top quark pairs Reducing the total uncertainty on the cross section with creative cuts 1fb-1 1fb-1 Measuring the top quark mass with advanced likelihood techniques Simulated top pair event at CMS

  3. Top Quark Physics in Belgium Period 2003-2009 Some examples single-top Extracting the single-top components via the angular distribution of the top quark decay, to measure |Vtb| Simulated single top event at CMS

  4. (‘) ‘ Top Quark Physics in Belgium Period 2003-2009 ‘ (‘) Some examples New physics in the top quark sector expected limits for t’ particleswith 200pb-1 T prime signal Standard Model

  5. X Top Quark Physics in Belgium Period 2003-2009 Some examples New physics in the top quark sector Standard Model possible resonances boosted top quarks ET expected exclusion limits for resonances Xttwith 100pb-1 h f Simulated Z’ttevent at CMS

  6. 3rd International Workshop • on Top Quark Physics • theory & experiment • about 130 participants Top Quark Physics in Belgium Outreach TOP2010 Conference 30th of May – 5th of June 2010 Brugge, Belgium CP3 - IIHE TOP2010 Conference 30th of May – 5th of June 2010 Brugge, Belgium CP3 - IIHE www.top2010.be

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