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hep-ex2023
Search for a scalar partner of the via decays into and
BESIII Collaboration, M. Ablikim, M. N. Achasov +609
Using a data sample corresponding to an integrated luminosity of 2.93 fb collected at a center-of-mass energy of 3.773~GeV with the BESIII detector at the BEPCII collider, w…
hep-ex2023
First Experimental Study of the Purely Leptonic Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +615
Using of collision data taken with the BESIII detector at the BEPCII collider, we report the first experimental study of the purely leptonic decay…