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hep-ex2026

Measurements of branching fractions of and

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

Based on a data sample corresponding to an integrated luminosity of 6.4~fb of annihilation and collected with the BESIII detector at 13 center-of-mass energy points…

hep-ex2026

Precision Studies and Searches for CP Asymmetries in the Inclusive Decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +716

Based on annihilation data collected with the BESIII detector at center-of-mass energies from to , corresponding to an integrated luminosit…

hep-ex2026

Measurement of Born Cross Sections for at GeV and Observation of

BESIII Collaboration, M. Ablikim, M. N. Achasov +704

Using collision data corresponding to an integrated luminosity of 44 fb collected with the BESIII detector at the BEPCII collider, we report the first measurement o…

hep-ex2026

Measurement of the singly Cabibbo-suppressed decay with Deep Learning

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

Using fb of collision data collected with the BESIII detector at center-of-mass energies from 4.600 to 4.699 GeV, we report a measurement of the singly Cabibb…

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

Measurement of Born Cross Sections and Effective Form Factors of from = 3.7 to 4.7 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using collision data corresponding to an integrated luminosity of 22.7 fb, collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detector at…

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…

hep-ex2024

Study of the tracking efficiency of charged pions at BESIII

Fang Liu, Xiao-Bin Ji, Sheng-Sen Sun +11

Using events collected with the BESIII detector in 2009, 2012, 2018 and 2019, the tracking efficiency of charged pions is studied using the decay…