2 papers
math.AG2024
Kinematic Varieties for Massless Particles
Smita Rajan, Svala Sverrisdóttir, Bernd Sturmfels
We study algebraic varieties that encode the kinematic data for massless particles in -dimensional spacetime subject to momentum conservation. Their coordinates are spinor b…
hep-th2024
Five-dimensional spinor helicity for all masses and spins
Andrzej Pokraka, Smita Rajan, Lecheng Ren +2
We develop a spinor helicity formalism for five-dimensional scattering amplitudes of any mass and spin configuration. While five-dimensional spinor helicity variables have been pre…