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Roland Bittleston (Perimeter Institute for Theoretical Physics)
Thursday 12 September 2024, 15:30-16:30
QCD Form Factors from Large N Chiral Algebras
â ī¸ Important: TWTW01 - Twistors in Geometry & Physics
- đ¤ Speaker: Roland Bittleston (Perimeter Institute for Theoretical Physics)
- đ Date & Time: Thursday 12 September 2024, 15:30 - 16:30
- đ Venue: Seminar Room 1, Newton Institute
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Abstract
The collinear singularities of form factors in certain self-dual QCDs determine an abstract chiral algebra. In this talk I will realize an example concretely as the large N limit of an algebra of operators living on a 2d holomorphic surface defect. The construction goes via twisted holography for the type I topological string on a Calabi-Yau 5-fold related to twistor space. I will explain how this realization can be exploited to compute QCD form factors in flat space, and helicity amplitudes on a range of self-dual backgrounds. This is joint work with Kevin Costello and Keyou Zeng.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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