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BEGIN:VEVENT
DTSTAMP:20261020T025114Z
LAST-MODIFIED:20190805T133413Z
DTSTART:20190814T180000Z
DTEND:20190814T190000Z
UID:event2160@bu.edu
URL:http://physics.bu.edu/internal/events/show/2160
SUMMARY: Search for Heavy 5/3 Charge Fermionic Top Quark Partner in Same-Si
	gn Dilepton Final State using 13 TeV Data with the CMS Detector
DESCRIPTION:Featuring David Zou\n\nPart of the Departmental Seminars.\n\nDi
	ssertation Committee:  James Rohlf\, Indara Suarez\, John Butler\, Kenneth 
	Lane\, Claudio Chamon\n\nAbstract:\n\nThe discovery of the Higgs boson in 2
	012 was an important and exciting moment in the world of high energy partic
	le physics. But unanswered questions\, including the hierarchy problem\, re
	main and motivate current and future physics searches beyond the Standard M
	odel. Composite Higgs theories predict new\, heavy fermions which stabilize
	 the Higgs mass. This talk will focus on the search for one such particle\,
	 a fermionic top quark partner with an exotic 5/3 electric charge (the X53)
	\, which can be produced via pair production or singly. I will present the 
	X53 search in the same-sign dilepton final state\, showing results of the s
	earch for pair-produced X53 using the 13.9/fb data collected by the Compact
	 Muon Solenoid experiment between 2015 and 2016. No significant excess of e
	vents with respect to the predicted Standard Model backgrounds is observed\
	, and the mass of the X53 is excluded below 1160 (1100) GeV for a right (le
	ft) handed X53
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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