Central China Normal University

most citedExperimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions

3.4k citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2019 · hep-exShow all

84 papers · 2 filters

hep-ex2019★ 30 cited

Observation of the $X (2370)$ and search for the $X (2120)$ in $J / ψ \to γ K K ˉ η^{'}$

M. Ablikim, M. N. Achasov, P. Adlarson +473

Using a sample of $1.31 \times 1 0^{9} J / ψ$ events collected with the BESIII detector, we perform a study of $J / ψ \to γ K K ˉ η^{'}$ . The $X (2370)$ is observed in the $K K ˉ η^{'}$ invari…

hep-ex2019★ 28 cited

Observation of $D^{+} \to η η π^{+}$ and improved measurement of $D^{0 (+)} \to η π^{+} π^{- (0)}$

BESIII Collaboration

Using an $e^{+} e^{-}$ annihilation data sample corresponding to an integrated luminosity of $2.93 f b^{- 1}$ collected at the center-of-mass energy of 3.773\,GeV with the BESIII det…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 25 cited

Partial wave analysis of $ψ (3686) \to K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +479

Using a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform the first partial wave analysis of $ψ (3686) \to K^{+} K^{-} η$ . In addi…

hep-ex2019★ 64 cited

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The ratio of branching fractions of the decays $Λ_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-proto…

hep-ex2019★ 17 cited

Isospin amplitudes in $Λ_{b}^{0} \to J / ψ Λ (Σ^{0})$ and $Ξ_{b}^{0} \to J / ψ Ξ^{0} (Λ)$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions, and allow searches for physics beyond the Standard Model. We…

hep-ex2019★ 3 cited

Observation of the decays $χ_{c J} \to ϕϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +481

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ decays collected by the BESIII detector at the Beijing Electron Positron Collider (BEPCII), we observe the decays $χ_{c…

hep-ex2019★ 10 cited

Search for baryon and lepton number violating decays $D^{+} \to Λ ˉ (Σ ˉ^{0}) e^{+}$ and $D^{+} \to Λ (Σ^{0}) e^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +480

Using a 2.93 fb $^{- 1}$ data sample of electron-positron collisions taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, which corresponds to $(8296\pm31\pm64)\ti…

hep-ex2019★ 5 cited

Observation of the semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The Cabibbo-suppressed semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$ is observed for the first time using a sample of $pp$ collisions corresponding to an integrated luminosit…

hep-ex2019★ 10 cited

Measurement of {\boldmath $J / ψ \to Ξ (1530)^{-} Ξ ˉ^{+}$ } and evidence for the radiative decay {\boldmath $Ξ (1530)^{-} \to γ Ξ^{-}$ }

BESIII Collaboration, M. Ablikim, M. N. Achasov +478

The SU(3)-flavor violating decay $J / ψ \to Ξ (1530)^{-} Ξ ˉ^{+} + c . c .$ is studied using $(1310.6 \pm 7.0) \times 1 0^{6} J / ψ$ events collected with the BESIII detector at BEPCII and the b…

hep-ex2019★ 31 cited

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +907

A four-body amplitude analysis of the $B^{-} \to D^{*+} π^{-} π^{-}$ decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measu…

hep-ex2019★ 37 cited

Measurement of the $η_{c} (1 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +913

Using a data sample corresponding to an integrated luminosity of $2.0 f b^{- 1}$ , collected by the LHCb experiment, the production of the $η_{c} (1 S)$ state in proton-proton collisions…

hep-ex2019★ 21 cited

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

A search for decay-time-dependent charge-parity ( $C P$ ) asymmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays is performed at the LHCb experiment using proton-proton collision d…

hep-ex2019★ 25 cited

Cross section measurement of $e^{+} e^{-} \to η^{'} J / ψ$ from $s = 4.178$ to $4.600$ GeV

M. Ablikim, M. N. Achasov, P. Adlarson +477

The cross section of the process $e^{+} e^{-} \to η^{'} J / ψ$ is measured at center-of-mass energies from $s =$ 4.178 to 4.600 GeV using data samples corresponding to a total…

hep-ex2019★ 37 cited

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

hep-ex2019★ 31 cited

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

The ratio of the $B_{s}^{0}$ and $B^{+}$ fragmentation fractions $f_{s}$ and $f_{u}$ is studied with $B_{s}^{0} \to J / ψ ϕ$ and $B^+\to\mathrm{J…

hep-ex2019★ 267 cited

Search for $A^{'} \to μ^{+} μ^{-}$ decays

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

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for $A…

hep-ex2019★ 46 cited

Measurement of the cross section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ and observation of an excited $Ξ$ baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +483

Using a total of 11.0 fb $^{- 1}$ of $e^{+} e^{-}$ collision data with center-of-mass energies between 4.009 GeV and 4.6 GeV and collected with the BESIII detector at BEPCII, we measu…

hep-ex2019★ 8 cited

First observation of the decay $χ_{c J} \to Σ^{+} p ˉ K_{S}^{0} + c . c . (J = 0, 1, 2)$

M. Ablikim, M. N. Achasov, P. Adlarson +478

Using E1 radiative transitions $ψ (3686) \to γ χ_{c J}$ from a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, the decays $χ_{cJ}\to Σ^{+}…

hep-ex2019★ 2 cited

Strangeness Production in Jets and Underlying Events in pp Collisions at $s$ = 13 TeV with ALICE

Pengyao Cui

The production of $K_{S}^{0}$ , $Λ$ and $Ξ$ is measured in jets and underlying events in pp collisions at $s$ = 13 TeV with ALICE detectors. The corresponding $Λ/\mathrm…

hep-ex2019★ 28 cited

Search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +895

A search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at ce…

hep-ex2019★ 8 cited

Study of $e^{+} e^{-} \to D^{+} D^{-} π^{+} π^{-}$ at center-of-mass energies from 4.36 to 4.60 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +476

We report a study of the $e^{+} e^{-} \to D^{+} D^{-} π^{+} π^{-}$ process using $e^{+} e^{-}$ collision data samples with an integrated luminosity of $2.5 fb^{- 1}$ at center-o…

hep-ex2019★ 64 cited

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

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

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, using proton-proton collision data collected with the LHCb de…

hep-ex2019★ 75 cited

Amplitude analysis of the $B^{+} \to π^{+} π^{+} π^{-}$ decay

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

The results of an amplitude analysis of the charmless three-body decay $B^{+} \to π^{+} π^{+} π^{-}$ , in which $C P$ -violation effects are taken into account, are reported. The anal…

Observation of the X(2370) and search for the X(2120) in J/ψ→γKKˉη′

Observation of D+→ηηπ+ and improved measurement of D0(+)→ηπ+π−(0)

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Partial wave analysis of ψ(3686)→K+K−η

Test of lepton universality with Λb0​→pK−ℓ+ℓ− decays

Isospin amplitudes in Λb0​→J/ψΛ(Σ0) and Ξb0​→J/ψΞ0(Λ) decays

Observation of the decays χcJ​→ϕϕη

Search for baryon and lepton number violating decays D+→Λˉ(Σˉ0)e+ and D+→Λ(Σ0)e+

Observation of the semileptonic decay B+→pp​μ+νμ​

Measurement of {\boldmath J/ψ→Ξ(1530)−Ξˉ+} and evidence for the radiative decay {\boldmath Ξ(1530)−→γΞ−}

Determination of quantum numbers for several excited charmed mesons observed in B−→D∗+π−π− decays

Measurement of the ηc​(1S) production cross-section in pp collisions at s​=13 TeV

Updated measurement of decay-time-dependent CP asymmetries in D0→K+K− and D0→π+π− decays

Cross section measurement of e+e−→η′J/ψ from s​=4.178 to 4.600 GeV

Measurement of the Bc−​ meson production fraction and asymmetry in 7 and 13 TeV pp collisions

Measurement of fs​/fu​ variation with proton-proton collision energy and B-meson kinematics

Search for A′→μ+μ− decays

Measurement of the cross section for e+e−→Ξ−Ξˉ+ and observation of an excited Ξ baryon

First observation of the decay χcJ​→Σ+pˉ​KS0​+c.c. (J=0,1,2)

Strangeness Production in Jets and Underlying Events in pp Collisions at s​ = 13 TeV with ALICE

Search for the lepton-flavour violating decays B+→K+μ±e∓

Study of e+e−→D+D−π+π− at center-of-mass energies from 4.36 to 4.60 GeV

Search for the doubly charmed baryon Ξcc+​

Amplitude analysis of the B+→π+π+π− decay