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 2018 · hep-exShow all

76 papers · 2 filters

hep-ex2018★ 8 cited

Observation of $e^{+} e^{-} \to D_{s}^{+} D^{(*) 0} K^{-}$ and study of the $P$ -wave $D_{s}$ mesons

BESIII Collaboration, M. Ablikim, M. N. Achasov +453

Studies of $e^{+} e^{-} \to D_{s}^{+} D^{(*) 0} K^{-}$ and the $P$ -wave charmed-strange mesons are performed based on an $e^{+} e^{-}$ collision data sample corresponding to an integrat…

hep-ex2018

Recent results on hard probes with ALICE and STAR

Yaxian Mao

This paper reviews recent experimental results on hard probes in heavy-ion collisions from the ALICE and STAR Collaboration. These studies include various observables characterizin…

hep-ex2018★ 13 cited

Observation of $ψ (3686) \to p p ˉ η^{'}$ and improved measurement of $J / ψ \to p p ˉ η^{'}$

M. Ablikim, M. N. Achasov, S. Ahmed +460

We observe the process $ψ (3686) \to p p ˉ η^{'}$ for the first time, with a statistical significance higher than 10 $σ$ , and measure the branching fraction of $J/ψ\to p \ba…

hep-ex2018★ 118 cited

Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC

R. Aaij, S. Akar, J. Albrecht +138

The LHCb collaboration has redesigned its trigger to enable the full offline detector reconstruction to be performed in real time. Together with the real-time alignment and calibra…

hep-ex2018★ 20 cited

Measurement of the absolute branching fractions of $Λ_{c}^{+} \to Λ η π^{+}$ and $Σ (1385)^{+} η$

M. Ablikim, M. N. Achasov, S. Ahmed +447

We study the decays $Λ_{c}^{+} \to Λ η π^{+}$ and $Σ (1385)^{+} η$ based on $Λ_{c}^{+} Λ ˉ_{c}^{-}$ pairs produced in $e^{+} e^{-}$ collisions at a center-of-mass energy of $\sqrt{s}=4.6~\mb…

hep-ex2018★ 9 cited

Measurement of the branching fraction and $C P$ asymmetry in $B^{+} \to J / ψ ρ^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

The branching fraction and direct $C P$ asymmetry of the decay $B^{+} \to J / ψ ρ^{+}$ are measured using proton-proton collision data collected with the LHCb detector at cent…

hep-ex2018★ 18 cited

Search for the rare decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +844

A search for the rare leptonic decay $B^{+} \to μ^{+} μ^{-} μ^{+} ν_{μ}$ is performed using proton-proton collision data corresponding to an integrated luminosity of $4.7$ fb$…

hep-ex2018★ 38 cited

Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at $s$ = 510 GeV

STAR Collaboration, J. Adam, L. Adamczyk +345

We report new STAR measurements of the single-spin asymmetries $A_{L}$ for $W^{+}$ and $W^{-}$ bosons produced in polarized proton--proton collisions at $s$ = 510 GeV as a functio…

hep-ex2018★ 81 cited

Measurement of $e^{+} e^{-} \to K^{+} K^{-}$ cross section at $s = 2.00 - 3.08$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +455

The cross section of the process $e^{+} e^{-} \to K^{+} K^{-}$ is measured at a number of center-of-mass energies $s$ from 2.00 to 3.08 GeV with the BESIII detector…

hep-ex2018★ 24 cited

Study of the decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, S. Ahmed +459

We report a study of the decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$ based on a sample of $2.93 fb^{- 1}$ $e^{+} e^{-}$ annihilation data collected at the center-of-mass energy…

hep-ex2018★ 40 cited

Determination of the pseudoscalar decay constant $f_{D_{s}^{+}}$ via $D_{s}^{+} \to μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +452

Using a $3.19 fb^{- 1}$ data sample collected at an $e^{+} e^{-}$ center-of-mass energy of $E_{cm} = 4.178$ GeV with the BESIII detector, we measure the branching fraction of…

hep-ex2018★ 16 cited

Evidence for the decays of $Λ_{c}^{+} \to Σ^{+} η$ and $Σ^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +458

We study the hadronic decays of $Λ_{c}^{+}$ to the final states $Σ^{+} η$ and $Σ^{+} η^{'}$ , using an $e^{+} e^{-}$ annihilation data sample of 567 pb $^{- 1}$ taken at a center-of-mas…

hep-ex2018★ 44 cited

First measurement of the form factors in $D_{s}^{+} \to K^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to K^{* 0} e^{+} ν_{e}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +459

We report on new measurements of Cabibbo-suppressed semileptonic $D_{s}^{+}$ decays using $3.19 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data sample collected at a center-of-mass ene…

hep-ex2018★ 14 cited

Observation of $D_{s}^{+} \to p n ˉ$ and confirmation of its large branching fraction

BESIII Collaboration, M. Ablikim, M. N. Achasov +455

The baryonic decay $D_{s}^{+} \to p n ˉ$ is observed, and the corresponding branching fraction is measured to be $(1.21 \pm 0.10 \pm 0.05) \times 1 0^{- 3}$ , where the first uncertai…

hep-ex2018★ 11 cited

Observation of the $W$ -Annihilation Decay $D_{s}^{+} \to ω π^{+}$ and Evidence for $D_{s}^{+} \to ω K^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +461

We report on the observation of the $W$ -annihilation decay $D_{s}^{+} \to ω π^{+}$ and the evidence for $D_{s}^{+} \to ω K^{+}$ with a data sample corresponding to an…

hep-ex2018★ 15 cited

Measurements of $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ at center-of-mass energies from $3.90$ to $4.60 GeV$

M. Ablikim, M. N. Achasov, S. Ahmed +458

Using $5.2 fb^{- 1}$ $e^{+} e^{-}$ annihilation data samples collected with the BESIII detector, we measure the cross sections of $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 11 cited

First observations of $h_{c} \to$ hadrons

M. Ablikim, M. N. Achasov, S. Ahmed +461

Based on $(4.48 \pm 0.03) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, five $h_{c}$ hadronic decays are searched for via process $ψ (3686) \to π^{0} h_{c}$ . Three o…

hep-ex2018★ 8 cited

Observation of OZI suppressed decays $χ_{c J} \to ω ϕ$

M. Ablikim, M. N. Achasov, S. Ahmed +462

Decays $χ_{c J} (J = 0, 1, 2) \to ω ϕ$ are studied using $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector in 2009 and 2012. In addition to the previously est…

hep-ex2018★ 76 cited

First measurement of charm production in fixed-target configuration at the LHC

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

The first measurement of heavy-flavour production by the LHCb experiment in its fixed-target mode is presented. The production of $J / ψ$ and $D^{0}$ mesons is studied with beams of pr…

hep-ex2018★ 22 cited

Measurement of the charm-mixing parameter $y_{C P}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A measurement of the charm-mixing parameter $y_{C P}$ using $D^{0} \to K^{+} K^{-}$ , $D^{0} \to π^{+} π^{-}$ , and $D^{0} \to K^{-} π^{+}$ decays is reported. The $D^{0}$ mesons are required to originat…

hep-ex2018★ 9 cited

Measurement of the branching fractions of the decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

The branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$ are measured using the decays…

hep-ex2018★ 47 cited

Study of the $D^{0} \to K^{-} μ^{+} ν_{μ}$ dynamics and test of lepton flavor universality with $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ decays

M. Ablikim, M. N. Achasov, S. Ahmed +456

Using $e^{+} e^{-}$ annihilation data of $2.93 fb^{- 1}$ collected at center-of-mass energy $s = 3.773$ GeV with the BESIII detector, we measure the absolute branching frac…

hep-ex2018★ 64 cited

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +842

A Dalitz plot analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays is performed using data samples of $pp$ collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt{s…

Observation of e+e−→Ds+​D(∗)0K− and study of the P-wave Ds​ mesons

Recent results on hard probes with ALICE and STAR

Observation of ψ(3686)→ppˉ​η′ and improved measurement of J/ψ→ppˉ​η′

Design and performance of the LHCb trigger and full real-time reconstruction in Run 2 of the LHC

Measurement of the absolute branching fractions of Λc+​→Ληπ+ and Σ(1385)+η

Measurement of the branching fraction and CP asymmetry in B+→J/ψρ+ decays

Search for the rare decay B+→μ+μ−μ+νμ​

Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s​ = 510 GeV

Measurement of e+e−→K+K− cross section at s​=2.00−3.08 GeV

Study of the decay D0→Kˉ0π−e+νe​

Determination of the pseudoscalar decay constant fDs+​​ via Ds+​→μ+νμ​

Evidence for the decays of Λc+​→Σ+η and Σ+η′

First measurement of the form factors in Ds+​→K0e+νe​ and Ds+​→K∗0e+νe​ decays

Observation of Ds+​→pnˉ and confirmation of its large branching fraction

Observation of the W-Annihilation Decay Ds+​→ωπ+ and Evidence for Ds+​→ωK+

Measurements of e+e−→KS0​K±π∓π0 and KS0​K±π∓η at center-of-mass energies from 3.90 to 4.60 GeV

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

First observations of hc​→ hadrons

Observation of OZI suppressed decays χcJ​→ωϕ