Regular Article - Theoretical Physics
Dark photon production via
School of Physics, Peking University, 100871, Beijing, China
2 Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
Accepted: 10 May 2021
Published online: 23 May 2021
The dark photon is a new gauge boson which arises from an extra gauge symmetry. In this paper, a novel dark photon production mechanism based on MeV-scale – collider is considered: . With the aid of PACKAGE-X, differential cross section of is obtained, as a function of the kinetic mixing parameter and dark photon mass . Taking the light-by-light scattering as background, the constraints on the dark photon parameter space for different time intervals in a MeV-scale – collider are also given.
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