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Status of Minerva Masterclass

Status of Minerva Masterclass. Reminder Aim Classification of W e, W, Zee, Z, jets event One H4l, l=e, event hidden in complete dataset Each group of students have to analyse 20 (different) events First ones easier than latter ones

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Status of Minerva Masterclass

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  1. Status of Minerva Masterclass • Reminder • Aim • Classification of We, W, Zee, Z, jets event • One H4l, l=e, event hidden in complete dataset • Each group of students have to analyse 20 (different) events • First ones easier than latter ones • Wrap-up: look at We/W, Zee/Z and W/Z ratio • Tool • Atlantis but using a slightly simplified configuration file • So far simulated events were used - For 2011 data events are available (besides Higgs event...) • developed jointly by RAL and Birmingham • One of the 1st LHC based Masterclasses available • 1st use in 2008 and since then improved • Since then extensively used in UK, Canada and US • To be used by various UK institutes during Masterclasses this month T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  2. Example: We event T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  3. Wrap-up • We/W, Zee/Z works out pretty well, most groups end up with number within error • W/Z ratio typically too low, students tend to migrate W into Z events T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  4. What is new • Data events now available (see next slide) • Updated entry page • http://atlas-minerva.web.cern.ch/atlas-minerva/ • Updated documentation • Introductory slides • Filled out result sheets for tutors available on demand • Small changes in Atlantis doc, example sheet • Updated Atlantis layout • Changes are small, but makes it a bit neater • If missing ET is small, it‘s no longer displayed • Muon hits are now in light blue (as in data we have more ‘fake‘ muon hits • Muons now show inner detector and muon track seperately compared to one combined track T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  5. Data events • W and Z events stripped out using official cut flow as used for published results • Event sample contains 399 events with ~55% of W/Z‘s and 45% of jets • W and Z are mixed in the right proportion • Event samples availabe for 15 or 20 groups of students • Web page • http://atlas-minerva.web.cern.ch/atlas-minerva/ We Z T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  6. Web based Minerva version • http://atlas-minerva.web.cern.ch/atlas-minerva/ • This version is stand-alone and completely web based • It contains online tutorial • 1st 5 events are for student to check that he understood the basics • Result sheet will tell him how many events he/she got right • 20 events to analyse (incl. one Higgs event) • After analysis, results checked online • Minerva configuration file comes with default Atlantis release • Compared to Masterclass the event displays used are “easy“ ones • Event displays are from data now! • This application is well suited for classroom usage or younger students (14-15 years) • Available in English and French • German and Italian being added right now • Java scripts being simplified right now • Will ease maintenance and addition of new languages T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  7. Online Tutorial T. Laughlin, M. Stockton, P. Watkins, M. Wielers

  8. Result sheet and online verification T. Laughlin, M. Stockton, P. Watkins, M. Wielers

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