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hep-ex2025

Study of and in the decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +666

We perform an amplitude analysis of the decay and measure its absolute branching fraction to be $(1.016 \pm 0.013_{\text {stat.}} \pm 0.014_{\text {syst.}})\%…

hep-ex2025

Measurement of the hyperon weak radiative decay at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

The hyperon weak radiative decay is measured via the process . The absolute branching fraction of is determined to be $(3.69\pm 0.21_{\t…

hep-ex2025

Helicity amplitude and branching fraction measurement of

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Utilizing million events accumulated by the BESIII experiment, we perform a partial wave analysis of decay…

hep-ex2025

Observation of the electromagnetic radiative decays of the \boldmath{} and \boldmath{} to \boldmath{}

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using events collected with the BESIII detector, we report the first observation of the electromagnetic radiative decays of the and $Λ(167…

hep-ex2025

Observation of Three Resonant Structures in the Cross Section of

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using collision data collected with the BESIII detector operating at the Beijing Electron Positron Collider, the cross section of is measured at 59…

hep-ex2025

Observation of the -annihilation process and measurement of in decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

We present the first amplitude analysis and branching fraction measurement of the decay , using collision data collected with the BESIII detector…