From Twistor-Particle Models to Massive Amplitudes

• Published in: Symmetry, Integrability and Geometry: Methods and Applications
• Date: 2022
• Main Authors: Albonico, Giulia, Geyer, Yvonne, Mason, Lionel
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2022
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/211623
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: From Twistor-Particle Models to Massive Amplitudes. Giulia Albonico, Yvonne Geyer and Lionel Mason. SIGMA 18 (2022), 045, 21 pages

In his twistor-particle programme of the 1970's, Roger Penrose introduced a representation of the massive particle phase space in terms of a pair of twistors subject to an internal symmetry group. Here, we use this representation to introduce a chiral string whose target is a complexification o...