Q. Li

collaborators

12 papers

hep-ex2025

Study of the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$

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

We report the first measurement of the di-electron invariant mass dependent transition form factor in the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$ using $(10087 \pm 44) \…

hep-ex2025

Search for $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} h_{c}$

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

Using $e^{+} e^{-}$ collision data at 13 center-of-mass energies ranging from 4.600 to 4.950 GeV collected with the BESIII detector, we search for the unmeasured $e^+e^-\to K_S^0 K_S^0…

hep-ex2025

Measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$

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

A high precision measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$ is performed using $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events recorded by the {BESIII} d…

hep-ex2025

Cross section measurement of $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ and search for $e^{+} e^{-} \to I^\cdot X ~ (3872)$

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

The energy-dependent cross section for $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ is measured at eighteen center of mass energies from 4.288 GeV to 4.951 GeV using the BESIII detector. Using the same da…

hep-ex2025

Measurement of the branching fractions of $D^{+} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ , $I ¨ I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ , $K_{S}^{0} K^{+} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , $K_{S}^{0} K^{+} I^\cdot$ , and $K_{S}^{0} K^{+} I ¨ $ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

Using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector operating at the BEPCII collider, the branching…

hep-ex2025

Search for the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process at BESIII

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

Based on 368.5 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies 4.914 and 4.946 GeV by the BESIII detector, the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process is sea…

Study of the electromagnetic Dalitz decay J/I¨→e+e−I¨0

Search for e+e−→KS0​KS0​hc​

Measurement of the branching fraction of the decay J/I¨→ppˉ​I^⋅

Cross section measurement of e+e−→I^⋅I¨(2S) and search for e+e−→I^⋅X~(3872)

Measurement of the branching fractions of D+→K+K−I¨+I¨+I¨−, I¨I¨+I¨+I¨−, KS0​K+I¨+I¨−I¨0, KS0​K+I^⋅, and KS0​K+I¨ decays

Search for the e+e−→I¨I¨c1​(3872) process at BESIII

Study of the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$

Search for $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} h_{c}$

Measurement of the branching fraction of the decay $J / I ¨ \to p p ˉ I^\cdot$

Cross section measurement of $e^{+} e^{-} \to I^\cdot I ¨ (2 S)$ and search for $e^{+} e^{-} \to I^\cdot X ~ (3872)$

Measurement of the branching fractions of $D^{+} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ , $I ¨ I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ , $K_{S}^{0} K^{+} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , $K_{S}^{0} K^{+} I^\cdot$ , and $K_{S}^{0} K^{+} I ¨ $ decays

Search for the $e^{+} e^{-} \to I ¨ I ¨ _{c 1} (3872)$ process at BESIII