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BEGIN:VEVENT
DTSTAMP:20261018T010033Z
LAST-MODIFIED:20191009T155815Z
DTSTART:20191010T181500Z
DTEND:20191010T194500Z
UID:event2201@bu.edu
URL:http://physics.bu.edu/internal/events/show/2201
SUMMARY:Search for Heavy 5/3 Charge Fermionic Top Quark Partner in Same-Sig
	n Dilepton Final State using 13 TeV Data with the CMS Detector
DESCRIPTION:Featuring David Zou\n\nPart of the PhD Final Oral Exams.\n\nExa
	mining Committee:  James Rohlf\, Indara Suarez\, Kenneth Lane\, Claudio Cha
	mon\, John Butler\n\nAbstract:\n\nThe discovery of the Higgs boson in 2012 
	was an important and exciting moment in the world of high energy particle p
	hysics. But unanswered questions\, including the Higgs mass fine tuning pro
	blem remain\, motivating current and future physics searches beyond the Sta
	ndard Model. Composite Higgs theories predict new\, heavy fermions which st
	abilize the Higgs mass. One such particle\, the X53\, is a fermionic top qu
	ark partner with an exotic 5/3 electric charge and can be produced via pair
	 or single production. The X53 search in the same-sign dilepton final state
	 is presented\, showing results of the search for pair and single produced 
	X53 using the data from proton-proton collisions at a center-of-mass energy
	 of 13 TeV collected by the Compact Muon Solenoid (CMS) experiment between 
	2015 and 2016. No significant excess of events with respect to the predicte
	d Standard Model backgrounds is observed\, and limits are placed on the mas
	s at 95\% confidence level. The mass of the X53 is excluded below 1200 (116
	0) GeV for a X53 with right (left) handed couplings to the W boson.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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