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UID:742@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20160617T130000
DTEND;TZID=Europe/Berlin:20160617T140000
DTSTAMP:20160614T151441Z
URL:https://qft.physik.hu-berlin.de/next-seminars/brenda-penantehu-berlin/
SUMMARY:Brenda Penante(HU Berlin) - Form factor remainders in N=4 SYM
DESCRIPTION:&nbsp\;\n\n&nbsp\;\nMHV loop amplitudes in N=4 SYM are known to
  satisfy an exponentiation relation which allows for any loop amplitude to
  be determined using the knowledge of the one-loop case. Starting at six e
 xternal particles this relation remains valid for the infrared-divergent t
 erms\, but a finite correction appears\, called the remainder function. In
  this talk I will discuss how a similar notion can be applied to form fact
 ors\, which are more generic\, partially off-shell objects. In the first p
 art I will illustrate the methods by focusing on protected operators. In t
 he second part I will discuss non-protected operators belonging to the SU(
 2|3) sector\, where the issues of renormalisation and mixing become releva
 nt.\n&nbsp\;
CATEGORIES:Research Seminars
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TZID:Europe/Berlin
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DTSTART:20160327T030000
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