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UID:1105@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20180530T131500
DTEND;TZID=Europe/Berlin:20180530T141500
DTSTAMP:20180529T140352Z
URL:https://qft.physik.hu-berlin.de/next-seminars/wadim-wormsbecher-physik
 -hu-berlin/
SUMMARY:Wadim Wormsbecher\, Physik\, HU Berlin - 
DESCRIPTION:W. Wormsbecher\n\nTitle: "New relations for graviton-matter amp
 litudes"\n\nWe present new relations for scattering amplitudes of color or
 dered gluons\,\nmassive quarks and scalars minimally coupled to gravity. 
 Tree-level amplitudes of arbitrary\nmatter and gluon multiplicities involv
 ing one graviton are reduced to partial amplitudes in QCD or scalar QCD. 
 The obtained relations are a direct generalization of the recently found\
 nEinstein-Yang-Mills relations. The proof of the new relation employs a s
 imple diagrammatic argument trading the graviton-matter couplings to an 
 `upgrade' of a gluon coupling with a color-kinematic replacement rule enf
 orced. The use of the Melia-Johansson-Ochirov color basis is a key elemen
 t of the reduction. We comment on the generalization to multiple gravito
 ns in the single color trace case.
CATEGORIES:Research Seminars
LOCATION:Room 2'07\, IRIS Building\, Zum großen Windkanal 6\, Berlin\, Ger
 many
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DTSTART:20180325T030000
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