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hep-ex2024

Study of $D_{s}^{+} \to f_{0} (980) I ¨ ^{+}$ and $I ¨ I ¨ ^{+}$ decays through $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

We perform the first amplitude analysis of $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ decays, based on data samples of electron-positron collisions recorded with the BESIII detector at center-of…

hep-ex2024

Measurement of the integrated luminosity of the data collected at 3.773 GeV by BESIII from 2021 to 2024

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

We present a measurement of the integrated luminosity of $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at a center-of-mass energy of $E_{\rm cm}…

hep-ex2024

Search for $I^\cdot_{c} (2 S) \to 2 (I ¨ ^{+} I ¨ ^{-})$ and improved measurement of $I ¨ _{c J} \to 2 (I ¨ ^{+} I ¨ ^{-})$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

We search for the hadronic decay $I^\cdot_{c} (2 S) \to 2 (I ¨ ^{+} I ¨ ^{-})$ in the $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$ radiative decay using $(27.12 \pm 0.14) \times 1 0^{8}$ $I ¨ (3686)$ events collected by the BESI…

hep-ex2024

Search for the radiative transition $I ¨ _{c 1} (3872) \to I^^{3} I ¨ _{2} (3823)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Using 9.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies from 4.178 to 4.278 GeV with the BESIII detector at the BEPCII collider, we perform the firs…

hep-ex2024

Search for $e^{+} e^{-} \to I^\cdot^{'} I ¨ (2 S)$ at center-of-mass energies from 4.66 to 4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

Using data samples with an integrated luminosity of $4.67 fb^{- 1}$ collected by the BESIII detector operating at the BEPCII collider, we search for the process $e^+e^- \ri…

hep-ex2024

Search for di-photon decays of an axion-like particle in radiative $J / I ¨ $ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +614

We search for the di-photon decay of a light pseudoscalar axion-like particle, $a$ , in radiative $J / I ¨ $ decays, using 10 billion $J / I ¨ $ events collected with the BESIII detector. W…

Study of Ds+​→f0​(980)I¨+ and I¨I¨+ decays through Ds+​→I¨+I¨+I¨−I¨0

Measurement of the integrated luminosity of the data collected at 3.773 GeV by BESIII from 2021 to 2024

Search for I^⋅c​(2S)→2(I¨+I¨−) and improved measurement of I¨cJ​→2(I¨+I¨−)

Search for the radiative transition I¨c1​(3872)→I^3I¨2​(3823)

Search for e+e−→I^⋅′I¨(2S) at center-of-mass energies from 4.66 to 4.95 GeV

Search for di-photon decays of an axion-like particle in radiative J/I¨ decays

Study of $D_{s}^{+} \to f_{0} (980) I ¨ ^{+}$ and $I ¨ I ¨ ^{+}$ decays through $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$

Search for $I^\cdot_{c} (2 S) \to 2 (I ¨ ^{+} I ¨ ^{-})$ and improved measurement of $I ¨ _{c J} \to 2 (I ¨ ^{+} I ¨ ^{-})$

Search for the radiative transition $I ¨ _{c 1} (3872) \to I^^{3} I ¨ _{2} (3823)$

Search for $e^{+} e^{-} \to I^\cdot^{'} I ¨ (2 S)$ at center-of-mass energies from 4.66 to 4.95 GeV

Search for di-photon decays of an axion-like particle in radiative $J / I ¨ $ decays