X. Shi

activity

20182026

J / ψ \to γ η η^{'}

51 citations · 1.4k across the 188 of their papers we have counts for

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62 papers · 1 filter

hep-ex2023

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

BESIII Collaboration, M. Ablikim, M. N. Achasov +642

By analyzing $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay processes $χ_{c J} \to 3 (K^{+} K^{-})$ ( $J = 0, 1, 2$ )…

hep-ex2023

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

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

A search has been performed for the semileptonic decays $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$ , using…

hep-ex2023★ 9 cited

Search for a massless particle beyond the Standard Model in the $Σ^{+} \to p + invisible$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

A massless particle beyond the Standard Model is searched for in the two-body decay $Σ^{+} \to p + invisible$ using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected…

hep-ex2023★ 3 cited

Measurements of Born Cross Sections for $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, the Born cross sections of $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and…

hep-ex2023★ 5 cited

Measurement of the cross sections for $e^{+} e^{-} \to η π^{+} π^{-}$ at center-of-mass energies between 2.00 and 3.08 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

Using data samples collected at center-of-mass energies between 2.000 and 3.080 GeV with the BESIII detector operating at the BEPCII collider, a partial-wave analysis is performed…

hep-ex2023★ 7 cited

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Evidence for the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p π^{0}$ is reported for the first time with a statistical significance of $3.7 σ$ based on 6.0 $fb^{- 1}$ of $e^+e^-…

hep-ex2023

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / ψ \to p ˉ Σ^{+} K_{S}^{0}$ and $J / ψ \to p Σ ˉ^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\!/\!…

hep-ex2023

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

Based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, the experimental studies of the doubly…

hep-ex2023★ 2 cited

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

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

Based on $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the $ψ (3686) \to Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$ d…

hep-ex2023★ 5 cited

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Based on a data set of $(27.12 \pm 0.10) \times 1 0^{8}$ $ψ (3686)$ events collected at the BESIII experiment, the absolute branching fractions of the three dominant $Ω^{-}$ decays are meas…

hep-ex2023

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

By analyzing 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic de…

hep-ex2023★ 3 cited

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

We perform a study of the $X (3872)$ lineshape using the data samples of $e^{+} e^{-} \to γ X (3872)$ , $X (3872) \to D^{0} D ˉ^{0} π^{0}$ and $π^{+} π^{-} J / ψ$ collected with the BESIII detector. The…

hep-ex2023★ 12 cited

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

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

We perform for the first time an amplitude analysis of the decay $D^{+} \to K_{S}^{0} π^{+} η$ and report the observation of the decay $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ using 2.93 fb$^…

hep-ex2023★ 14 cited

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 12.9 $f b^{- 1}$ collected with the BESIII detector at the BEPCII collider, the exclusive Born cross s…

hep-ex2023★ 17 cited

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay $Λ_{c}^{+} \to Ξ^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Based on $4.4 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energies between $4.60$ and $4.70 GeV$ with the BESIII detector at the BEPCII…

hep-ex2023

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, the decays of $J / ψ \to γ π^{0} (η, η^{'}) \to γ γ γ$ are studied. Newly measu…

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

The Born cross sections and effective form factors of the process $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on dat…

hep-ex2023★ 11 cited

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Based on a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decays of $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$ with $\overl…

hep-ex2023★ 2 cited

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

With a data sample corresponding to an integrated luminosity of 11.5~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring, for the first time the light…

hep-ex2023

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +610

We present a study of the process $e^{+} e^{-} \to η ϕ$ using data samples collected with the BESIII detector corresponding to an integrated luminosity of 15.03 fb $^{- 1}$ at 23 center-…

hep-ex2023

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +612

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…

hep-ex2023

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$ decay is studied based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at center-of-mass energies in the range from 4.12…

hep-ex2023★ 43 cited

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

We study the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ at twelve center-of-mass energies from $4.6119$ to $4.9509 GeV$ using data samples collected by the BESIII detecto…

hep-ex2023

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using $e^{+} e^{-}$ collision datasets corresponding to total integrated luminosity of 21.7 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider at center-of-mass energie…

Observation of χcJ​→3(K+K−)

Search for D0→KS0​K−e+νe​, D+→KS0​KS0​e+νe​, and D+→K+K−e+νe​

Search for a massless particle beyond the Standard Model in the Σ+→p+invisible decay

Measurements of Born Cross Sections for e+e−→Λc+​Λˉc​(2595)−+c.c. and e+e−→Λc+​Λˉc​(2625)−+c.c. at s​=4918.0 and 4950.9 MeV

Measurement of the cross sections for e+e−→ηπ+π− at center-of-mass energies between 2.00 and 3.08 GeV

Evidence of the Singly Cabibbo Suppressed decay Λc+​→pπ0

Observation and branching fraction measurement of the decay J/ψ→pˉ​Σ+KS0​+c.c.

Study of the doubly Cabibbo-suppressed decays Ds+​→K+K+π− and Ds+​→K+K+π−π0

Observation of the ψ(3686) decays into Σ+Σˉ−ω and Σ+Σˉ−ϕ

Measurements of the absolute branching fractions of Ω− decays and test of the ΔI=1/2 rule

Search for the semileptonic decays Ds+​→K1​(1270)0e+νe​ and Ds+​→b1​(1235)0e+νe​

A coupled-channel analysis of the X(3872) lineshape with BESIII data

Observation of D+→KS0​a0​(980)+ in the amplitude analysis of D+→KS0​π+η

Measurement of the cross section of e+e−→Ξ−Ξˉ+ at center-of-mass energies between 3.510 and 4.843 GeV

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay Λc+​→Ξ0K+

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

Measurement of the e+e−→ΛΣˉ0+c.c. cross sections at s​ from 2.3094 to 3.0800 GeV

Study of excited Ξ states in ψ(3686)→K−ΛΞ++c.c.

Search for the light hadron decay χc1​(3872)→π+π−η

Study of e+e−→ηϕ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay J/ψ→e+e−η(1405) with η(1405)→π0f0​(980)

Studies of the decay Ds+​→K+K−μ+νμ​

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

Measurement of e+e−→pK−Λˉ+c.c. cross sections between 4.009 GeV and 4.951 GeV

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

Search for a massless particle beyond the Standard Model in the $Σ^{+} \to p + invisible$ decay

Measurements of Born Cross Sections for $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

Measurement of the cross sections for $e^{+} e^{-} \to η π^{+} π^{-}$ at center-of-mass energies between 2.00 and 3.08 GeV

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-} π^{0}$

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay $Λ_{c}^{+} \to Ξ^{0} K^{+}$

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV