J. J. Qin

activity

20182025

most citedObservation of an exotic narrow doubly charmed tetraquark

403 citations · 613 across the 11 of their papers we have counts for

collaborators

11 papers

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2025

Study of $ϕ \to K K ˉ$ and $K_{S}^{0} - K_{L}^{0}$ Asymmetry in the Amplitude Analysis of $D_{s}^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

Using $e^{+} e^{-}$ annihilation data corresponding to a total integrated luminosity of 7.33 $f b^{- 1}$ collected at center-of-mass energies between 4.128 and 4.226~GeV with the BESI…

hep-ex2025

Search for the Cabibbo-suppressed decays $Λ_{c}^{+} \to Σ^{0} K^{+} π^{0}$ and $Λ_{c}^{+} \to Σ^{0} K^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +679

Utilizing 4.5 $f b^{-}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies ranging from 4599.53 MeV to 4698.82 MeV by the BESIII detector at the BEPCII collider, we se…

hep-ex2021★ 2 cited

Measurement of $e^{+} e^{-} \to ϕ π^{+} π^{-}$ cross sections at center-of-mass energies from 2.00 to 3.08 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +600

Using data corresponding to an integrated luminosity of $651 pb^{- 1}$ accumulated at 22 center-of-mass energies from 2.00 to 3.08 GeV by the BESIII experiment, the process…

hep-ex2021★ 403 cited

Observation of an exotic narrow doubly charmed tetraquark

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

Conventional hadronic matter consists of baryons and mesons made of three quarks and quark-antiquark pairs, respectively. The observation of a new type of hadronic state, a doubly…

hep-ex2021★ 44 cited

Observation of excited $Ω_{c}^{0}$ baryons in $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +959

The first observation of the $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decay is reported using $pp$ collision data at centre-of-mass energies of 7, 8 and 13\, $TeV$ collected by the LHCb e…

hep-ex2020★ 46 cited

Observation of a new $Ξ_{b}^{0}$ state

LHCb collaboration, R. Aaij, C. Abellán Beteta +957

Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5 fb $^{- 1}$ , the observation of a new excited $Ξ_{b}^{0}$ r…

hep-ex2020★ 5 cited

First observation of the decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +985

The decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$ is observed for the first time using a data sample of proton-proton collisions, corresponding to an integrated luminosity of 5.5 $f b^{- 1}$ , coll…

hep-ex2020★ 45 cited

Observation of a new baryon state in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

A new baryon state is observed in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum with high significance using a data sample of $pp$ collisions, collected with the LHCb detector at centre-of-mass…

hep-ex2019★ 68 cited

Observation of several sources of $C P$ violation in $B^{+} \to π^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

Observations are reported of different sources of $C P$ violation from an amplitude analysis of $B^{+} \to π^{+} π^{+} π^{-}$ decays, based on a data sample corresponding to an integrated l…

hep-ex2018

Measurement of the $Ω_{c}^{0}$ baryon lifetime

LHCb collaboration, R. Aaij, B. Adeva +834

We report a measurement of the lifetime of the $Ω_{c}^{0}$ baryon using proton-proton collision data at center-of-mass energies of 7 and 8~TeV, corresponding to an integrated luminosit…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

Study of ϕ→KKˉ and KS0​−KL0​ Asymmetry in the Amplitude Analysis of Ds+​→KS0​KL0​π+ Decays

Search for the Cabibbo-suppressed decays Λc+​→Σ0K+π0 and Λc+​→Σ0K+π+π−

Measurement of e+e−→ϕπ+π− cross sections at center-of-mass energies from 2.00 to 3.08 GeV

Observation of an exotic narrow doubly charmed tetraquark

Observation of excited Ωc0​ baryons in Ωb−​→Ξc+​K−π− decays

Observation of a new Ξb0​ state

First observation of the decay Λb0​→ηc​(1S)pK−

Observation of a new baryon state in the Λb0​π+π− mass spectrum

Observation of several sources of CP violation in B+→π+π+π− decays

Measurement of the Ωc0​ baryon lifetime

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Study of $ϕ \to K K ˉ$ and $K_{S}^{0} - K_{L}^{0}$ Asymmetry in the Amplitude Analysis of $D_{s}^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$ Decays

Search for the Cabibbo-suppressed decays $Λ_{c}^{+} \to Σ^{0} K^{+} π^{0}$ and $Λ_{c}^{+} \to Σ^{0} K^{+} π^{+} π^{-}$

Measurement of $e^{+} e^{-} \to ϕ π^{+} π^{-}$ cross sections at center-of-mass energies from 2.00 to 3.08 GeV

Observation of excited $Ω_{c}^{0}$ baryons in $Ω_{b}^{-} \to Ξ_{c}^{+} K^{-} π^{-}$ decays

Observation of a new $Ξ_{b}^{0}$ state

First observation of the decay $Λ_{b}^{0} \to η_{c} (1 S) p K^{-}$

Observation of a new baryon state in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum

Observation of several sources of $C P$ violation in $B^{+} \to π^{+} π^{+} π^{-}$ decays

Measurement of the $Ω_{c}^{0}$ baryon lifetime