Form factors with q (2)=0 and Grassmannians in N=4 Sym theoryстатья
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Дата последнего поиска статьи во внешних источниках: 9 ноября 2017 г.
Аннотация:In this note we consider tree level form factors of operators from stress tensor supermultiplet with light like operator momentum q (2) = 0. The presentation of form factors in terms of the regulated integral over Grassmannian is given. The conjectured formula is verified by successfully reproducing known answers in the MHV and N k-2MHV, k ae<yen> 3 sectors as well as appropriate soft limit behavior.