We present a search for the direct production of a light pseudoscalar a decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process eþe- ? ?a, a ? ?? in the mass range 0.2
Published: October 29, 2021
Citation
Abudinen F., I. Adachi, H. Aihara, N. Akopov, A. Aloisio, F. Ameli, and N. Anh Ky, et al. 2020.Search for Axionlike Particles Produced in e + e - Collisions at Belle II.Physical Review Letters 125, no. 16:Article No. 161806.PNNL-SA-160904.doi:10.1103/PhysRevLett.125.161806