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DTSTAMP:20260827T160224Z
LAST-MODIFIED:20160303T193820Z
DTSTART:20160405T130000Z
DTEND:20160405T140000Z
UID:event1561@bu.edu
URL:http://physics.bu.edu/internal/events/show/1561
SUMMARY:WWW Production at the LHC
DESCRIPTION:Featuring Alex Brian Long\n\nPart of the PhD Final Oral Exams.\
	n\nExamining Committee:  John Butler\, Kevin Black\, Tulika Bose\, Kenneth 
	Lane\, Shyam Erramilli\n\nAbstract:\n\nIn 2012 a resonance with a mass of 1
	25 GeV resembling the elusive Higgs boson was discovered simultaneously by 
	the ATLAS and CMS experiments using data collected from the Large Hadron Co
	llider (LHC) at CERN.  Its observation finally confirms the mechanism for S
	pontaneous Electroweak Symmetry Breaking (EWSB) necessary for describing th
	e mass structure  of the electroweak (EW) gauge bosons.  In 2013\, Peter Hi
	ggs and Francois Englert were awarded the Nobel Prize in physics for their 
	work in developing this theory of EWSB now referred to as the Higgs mechani
	sm.  The explanation for EWSB is often referred to as the last piece of the
	 puzzle required to build a consistent theory of particle physics known as 
	the Standard Model.  But does that mean that there are no new surprises to 
	be found?  Many EW processes have yet to be measured and are just starting 
	to become accessible with the data collected at the LHC.  Indeed\, this une
	xplored region of EW physics may provide clues to as yet unknown new physic
	s processes at higher energy scales.  Using the 2012 LHC data recorded by t
	he ATLAS experiment\, we seek to make the first observation of one such EW 
	process\, the massive tri-boson final state: WWW.  It represents one of the
	 first searches to probe the Standard Model WWWW coupling directly at a col
	lider.  This search looks specifically at the channel where each W boson de
	cays to a charged lepton and a neutrino\, offering the best sensitivity for
	 making such a measurement.  In addition to testing the Standard Model dire
	ctly\, we also use an effective field theory approach to test for the exist
	ence of anomalous quartic gauge couplings which could offer evidence for ne
	w physics at higher energies than those produced by the LHC.\n\n![Alex](/re
	sources/event-image/1561/6bb5bf1_small)
LOCATION:PRB 261\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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