$K^{+}\hat{I}›(1520)$ photoproduction at forward angles near threshold with the BGOOD experiment

Abstract

The differential cross section for ${\hat{I}}^{3}p\to K^{+}\hat{I}›(1520)$ was measured from threshold to a centre-of-mass energy of 2090\,MeV at forward angles at the BGOOD experiment. The high statistical precision and resolution in centre-of-mass energy and angle allows a detailed characterisation of this low-momentum transfer kinematic region. The data agree with a previous LEPS measurement and support effective Lagrangian models that indicate that the contact term dominates the cross section near threshold.

6 pages, 7 figures