A Note on Graviton Amplitudes for New Twistor String Theories

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dc.creatorNair, V. P.
dc.date2007-10-26
dc.date.accessioned2026-07-07T11:53:48Z
dc.date.available2026-07-07T11:53:48Z
dc.descriptionA new class of twistor string theories were recently constructed by Abou-Zeid, Hull and Mason. The most interesting one of these theories has the particle content of N=8 supergravity. Arguments are given for the vanishing of the (+ - -)-helicity amplitude for gravitons which suggest that this theory describes a chiral N=8 supergravity rather than Einstein supergravity.
dc.description10 pages
dc.identifierhttps://arxiv.org/abs/0710.4961
dc.identifierhttp://arxiv.org/abs/0710.4961
dc.identifierPhys.Rev.D78:041501,2008
dc.identifierdoi:10.1103/PhysRevD.78.041501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204673
dc.subjectHigh Energy Physics - Theory
dc.titleA Note on Graviton Amplitudes for New Twistor String Theories
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