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BEGIN:VEVENT
DTSTAMP:20261017T042751Z
LAST-MODIFIED:20181113T155624Z
DTSTART:20181120T180000Z
DTEND:20181120T190000Z
UID:event2057@bu.edu
URL:http://physics.bu.edu/internal/events/show/2057
SUMMARY:From direct top squark pair production to measurements of the top-Z
	 coupling with the CMS Experiment
DESCRIPTION:Featuring Daniel Spitzbart\, HEPHY - Institute of High Energy P
	hysics\, Vienna\, Austria\nHosted by: Indara Suarez\n\nPart of the HEE Semi
	nar Series.\n\nSupersymmetry (SUSY) is among the most promising theories fo
	r physics beyond the standard model and predicts the existence of new eleme
	ntary particles.  In many SUSY scenarios the mass of the top squark\, the s
	upersymmetric partner of the top quark\, is expected to be not much larger 
	than the top quark mass.\nTherefore\, top squarks could be produced at the 
	LHC and are heavily searched for in the CMS and ATLAS collaborations.  The 
	production of a Z boson in association with a top quark pair is a large irr
	educible background for these searches.  A precise measurement of its cross
	 section is therefore of great importance to reduce systematic uncertaintie
	s.  Additionally\, the coupling of the top quark to the Z boson is sensitiv
	e to corrections from physics beyond the standard model and is therefore a 
	promising probe of new physics.  I will present the results of a search for
	 top squarks in the dilepton channel and give a preview of the results of a
	 differential ttZ cross section measurement\, with a focus on the interpret
	ation of the results in terms of a top quark effective field theory.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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