H. Y. Xu

activity

20222025

e^{+} e^{-} \to η J / ψ

Cross Section from

s =

3.808 GeV to 4.951 GeV

12 citations · 43 across the 20 of their papers we have counts for

collaborators

Showing 2025Show all

8 papers · 1 filter

hep-ex2025

Measurements of absolute branching fractions of $D^{0 (+)} \to K K K π$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +697

Using an $e^{+} e^{-}$ sample of $20.3 f b^{- 1}$ collected at the center-of-mass energy $s =$ 3.773 GeV with the BESIII detector, we report measurements of several four-body h…

hep-ex2025

First measurement of the cross sections for $e^{+} e^{-} \to K^{0} K^{-} π^{+} J / ψ + c . c .$ at $s$ from 4.396 to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Using $e^{+} e^{-}$ collision data at 19 center-of-mass energies ranging from $4.396$ to $4.951 GeV$ corresponding to a total integrated luminosity of $8.86 fb^{- 1}$ coll…

hep-ex2025

Observation of the electromagnetic radiative decays of the \boldmath{ $Λ (1520)$ } and \boldmath{ $Λ (1670)$ } to \boldmath{ $γ Σ^{0}$ }

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we report the first observation of the electromagnetic radiative decays of the $Λ (1520)$ and $Λ(167…

hep-ex2025

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$ are obs…

hep-ex2025

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using a sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $ψ(3686) \to Ξ^- K^0_S \ba…

hep-ex2025

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

We search, for the first time, for an exotic molecular state with quantum numbers $J^{P C} = 1^{-+}$ , called $X$ , via the process $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$ us…

hep-ex2025

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

Using $(2259.3 \pm 11.1) \times 1 0^{6}$ $ψ (2 S)$ events acquired with the BESIII detector, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured with improved precision t…

hep-ex2025

Improved measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to K_{S}^{0} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +676

By analyzing $4.5$ fb $^{- 1}$ of $e^{+} e^{-}$ collision data accumulated with the BESIII detector at center-of-mass energies ranging from $4599.53$ MeV to $4698.82$ MeV, we report t…

Measurements of absolute branching fractions of D0(+)→KKKπ decays

First measurement of the cross sections for e+e−→K0K−π+J/ψ+c.c. at s​ from 4.396 to 4.951 GeV

Observation of the electromagnetic radiative decays of the \boldmath{Λ(1520)} and \boldmath{Λ(1670)} to \boldmath{γΣ0}

Observation of χcJ​(J=0,1,2)→ppˉ​ηη

Observation of ψ(3686)→Ξ−KS0​Ωˉ++c.c

Search for a 1−+ molecular state via e+e−→γDs+​Ds1−​(2536)+c.c.

Precision measurement of the branching fraction for the decay ψ(2S)→τ+τ−

Improved measurement of absolute branching fraction of the inclusive decay Λc+​→KS0​X

Measurements of absolute branching fractions of $D^{0 (+)} \to K K K π$ decays

First measurement of the cross sections for $e^{+} e^{-} \to K^{0} K^{-} π^{+} J / ψ + c . c .$ at $s$ from 4.396 to 4.951 GeV

Observation of the electromagnetic radiative decays of the \boldmath{ $Λ (1520)$ } and \boldmath{ $Λ (1670)$ } to \boldmath{ $γ Σ^{0}$ }

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

Improved measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to K_{S}^{0} X$