Central China Normal University

output

19952026

researchers with a paper here

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

collaborating institutions

Showing 2016 · hep-exShow all

69 papers · 2 filters

hep-ex2016★ 66 cited

Measurement of the CKM angle $γ$ from a combination of LHCb results

LHCb collaboration, R. Aaij, B. Adeva +765

A combination of measurements sensitive to the CKM angle $γ$ from LHCb is performed. The inputs are from analyses of time-integrated $B^{+} \to D K^{+}$ , $B^{0} \rightarrow D K…

hep-ex2016★ 53 cited

Study of $J / ψ$ and $ψ (3686) \to Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

We study the decays of $J / ψ$ and $ψ (3686)$ to the final states $Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$ based on a single baryon tag method using data samples of $(1310.6 \p…

hep-ex2016★ 5 cited

Search for the $B_{s}^{0} \to η^{'} ϕ$ decay

LHCb collaboration, R. Aaij, B. Adeva +763

A search for the charmless $B_{s}^{0} \to η^{'} ϕ$ decay is performed using $pp$ collision data collected by the LHCb experiment at centre-of-mass energies of $7$ and $8$ TeV,…

hep-ex2016★ 144 cited

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

A search for a long-lived scalar particle $χ$ is performed, looking for the decay $B^{+} \to K^{+} χ$ with $χ \to μ^{+} μ^{-}$ in $pp$ collision data corresponding to an integrated lumin…

hep-ex2016★ 77 cited

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, B. Adeva +763

The production cross-section of $J / ψ$ pairs is measured using a data sample of $pp$ collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\mat…

hep-ex2016★ 21 cited

Observation of $B_{c}^{+} \to J / ψ D^{()} K^{()}$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

A search for the decays $B_{c}^{+} \to J / ψ D^{(*) 0} K^{+}$ and $B_{c}^{+} \to J / ψ D^{(*) +} K^{* 0}$ is performed with data collected at the LHCb experiment corresponding to an integrated lumino…

hep-ex2016★ 4 cited

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

BESIII Collaboration, M. Ablikim, M. N. Achasov +424

The decays of $χ_{c 2} \to K^{+} K^{-} π^{0}$ , $K_{S} K^{\pm} π^{\mp}$ and $π^{+} π^{-} π^{0}$ are studied with the $ψ (3686)$ data samples collected with the Beijing Spectrometer (BESIII)…

hep-ex2016★ 66 cited

Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +764

A measurement of the phase difference between the short- and long-distance contributions to the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay is performed by analysing the dimuon mass distribut…

hep-ex2016★ 7 cited

Measurement of the ratio of branching fractions and difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +764

The ratio of branching fractions and the difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$ are measured using a data sample of $pp$ collisions collec…

hep-ex2016★ 18 cited

Observation of the doubly radiative decay $η^{'} \to γ γ π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

Based on a sample of $1.31$ billion $J / ψ$ events collected with the BESIII detector, we report the study of the doubly radiative decay $η^{'} \to γ γ π^{0}$ for the first time, where…

hep-ex2016★ 98 cited

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +766

Measurements of the cross-section for producing \bquark quarks in the reaction $pp \to b b ˉ X$ are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapi…

hep-ex2016★ 4 cited

Improved measurements of branching fractions for $η_{c} \to ϕϕ$ and $ω ϕ$

M. Ablikim, M. N. Achasov, X. C. Ai +419

Using $(223.7 \pm 1.4) \times 1 0^{6}$ J/ $ψ$ events accumulated with the BESIII detector, we study $η_{c}$ decays to $ϕϕ$ and $ω ϕ$ final states. The branching fraction of $η_{c} \to ϕϕ$ is meas…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 71 cited

Search for massive long-lived particles decaying semileptonically in the LHCb detector

LHCb collaboration, R. Aaij, B. Adeva +767

A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8…

hep-ex2016★ 7 cited

Energy Dependence of Moments of Net-Proton, Net-Kaon, and Net-Charge Multiplicity Distributions at STAR

Ji Xu

One of the main goals of the RHIC Beam Energy Scan (BES) program is to study the QCD phase structure, which includes the search for the QCD critical point, over a wide range of che…

hep-ex2016★ 4 cited

Higher Moments of Net-Kaon Multiplicity Distributions at STAR

Ji Xu

Fluctuations of conserved quantities such as baryon number (B), electric charge number (Q), and strangeness number (S), are sensitive to the correlation length and can be used to p…

hep-ex2016★ 62 cited

Measurement of the Absolute Branching Fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

We report the first measurement of the absolute branching fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ . This measurement is based on a sample of $e^{+} e^{-}$ annihilation data at a center…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 39 cited

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

We report the first direct measurement of decays of the $Λ_{c}^{+}$ baryon involving the neutron. The analysis is performed using 567 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at…

hep-ex2016★ 264 cited

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +412

The cross section for the process $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ is measured precisely at center-of-mass energies from 3.77 to 4.60~GeV using 9~fb $^{- 1}$ of data collected with the BESIII d…

hep-ex2016★ 30 cited

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +765

A search for the $B^{0} \to K^{+} K^{-}$ decay is performed using $pp$ -collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb $^{- 1}$ at c…

hep-ex2016★ 189 cited

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

The cross sections of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating a…

hep-ex2016★ 36 cited

Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized $pp$ collisions at $s$ = 200 GeV

STAR Collaboration, L. Adamczyk, J. K. Adkins +341

We report the first measurement of the longitudinal double-spin asymmetry $A_{LL}$ for mid-rapidity di-jet production in polarized $pp$ collisions at a center-of-mass energy of $\s…

hep-ex2016★ 20 cited

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons

LHCb collaboration, R. Aaij, B. Adeva +767

Two new algorithms for use in the analysis of $pp$ collision are developed to identify the flavour of $B^{0}$ mesons at production using pions and protons from the hadronization proc…

Measurement of the CKM angle γ from a combination of LHCb results

Study of J/ψ and ψ(3686)→Σ(1385)0Σˉ(1385)0 and Ξ0Ξˉ0

Search for the Bs0​→η′ϕ decay

Search for long-lived scalar particles in B+→K+χ(μ+μ−) decays

Measurement of the J/ψ pair production cross-section in pp collisions at s​=13TeV

Observation of Bc+​→J/ψD(∗)K(∗) decays

Observation of the helicity-selection-rule suppressed decay of the χc2​ charmonium state

Measurement of the phase difference between short- and long-distance amplitudes in the B+→K+μ+μ− decay

Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+→J/ψπ+ and B+→J/ψK+

Observation of the doubly radiative decay η′→γγπ0

Measurement of the b-quark production cross-section in 7 and 13 TeV pp collisions

Improved measurements of branching fractions for ηc​→ϕϕ and ωϕ

Observation of the decay Ξb−​→pK−K−

Search for massive long-lived particles decaying semileptonically in the LHCb detector

Energy Dependence of Moments of Net-Proton, Net-Kaon, and Net-Charge Multiplicity Distributions at STAR

Higher Moments of Net-Kaon Multiplicity Distributions at STAR

Measurement of the Absolute Branching Fraction for Λc+​→Λμ+νμ​

Search for decays of neutral beauty mesons into four muons

Observation of Λc+​→nKS0​π+

Precise measurement of the e+e−→π+π−J/ψ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Observation of the annihilation decay mode B0→K+K−

Evidence of Two Resonant Structures in e+e−→π+π−hc​

Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized pp collisions at s​ = 200 GeV

New algorithms for identifying the flavour of B0 mesons using pions and protons

Measurement of the CKM angle $γ$ from a combination of LHCb results

Study of $J / ψ$ and $ψ (3686) \to Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$

Search for the $B_{s}^{0} \to η^{'} ϕ$ decay

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

Observation of $B_{c}^{+} \to J / ψ D^{()} K^{()}$ decays

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay

Measurement of the ratio of branching fractions and difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$

Observation of the doubly radiative decay $η^{'} \to γ γ π^{0}$

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

Improved measurements of branching fractions for $η_{c} \to ϕϕ$ and $ω ϕ$

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

Measurement of the Absolute Branching Fraction for $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Measurement of the cross section and longitudinal double-spin asymmetry for di-jet production in polarized $pp$ collisions at $s$ = 200 GeV

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons