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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-3712
DTSTART:20150422T170000Z
DTEND:20150422T180000Z
DTSTAMP:20260419T102651Z
LAST-MODIFIED:20150420T193055Z
LOCATION:4274 Chamberlin
SUMMARY:Charm jet identification in searches for new physics with the 
 ATLAS detector\, NPAC (Nuclear/Particle/Astro/Cosmo) Forum\, Dan Guest
 \, Yale University
DESCRIPTION:The first hints of new physics at the LHC may come in the 
 form of extremely short-lived particles which decay instantly to parti
 cles in the standard model. These decays could appear as an excess of 
 events in any number of channels. Until recently\, searches for such a
 n excess have often neglected decays through charm quarks\, owing to t
 he lack of an efficient charm jet identification algorithm.<br>
\n<br>
 
\nI will introduce several supersymmetric models where decays through
  charm quarks are preferred. These searches motivated the development 
 of a lifetime-based charm jet identification algorithm. After discussi
 ng this algorithm\, I will present the results from two scalar quark s
 earches\, where charm jet identification played a central role in exte
 nding the previous experimental limits
URL:https://www.physics.wisc.edu/events/?id=3712
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