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SUMMARY:Medium induced collinear radiation from soft collinear effective t
 heory (SCET)
DTSTART;VALUE=DATE-TIME:20110527T171000Z
DTEND;VALUE=DATE-TIME:20110527T173000Z
DTSTAMP;VALUE=DATE-TIME:20130520T212653Z
UID:indico-contribution-112@cern.ch
DESCRIPTION:Speakers: Mr. D'ERAMO\, Francesco (MIT)\nThe propagation of ha
 rd partons through the strongly interacting matter created in high energy 
 heavy-ion collisions involves widely separated scales. The methods of Effe
 ctive Field Theories (EFT) can provide a factorized description at lowest 
 nontrivial order\, and a formalism where the correction to this factorizat
 ion are calculable systematically order by order in the small ratios betwe
 en the different scales. In this talk I will present our recent results on
  the calculation of the spectrum of the gluons emitted by the hard parton\
 , where the radiated gluons are collinear with the incoming hard parton an
 d with arbitrary energy (not necessarily much softer than the energy of th
 e hard parton). I will also briefly discuss how to extend the analysis  to
  include the emission of gluons collinear in arbitrary directions and gluo
 ns with all the components of their momentum scaling as the medium charact
 eristic energy scale (soft gluons). In particular I will show how powerful
  concepts like collinear gauge invariance and reparameterization invarianc
 e simplify the derivation of the effective Lagrangian.\n\nhttp://indico.ce
 rn.ch/contributionDisplay.py?contribId=112&sessionId=74&confId=30248
LOCATION:Imperial Palace Salon Verdi AB
URL:http://indico.cern.ch/contributionDisplay.py?contribId=112&sessionId=7
 4&confId=30248
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