W. Cheng

activity

20142022

most citedPolarization and Entanglement in Baryon-Antibaryon Pair Production in Electron-Positron Annihilation

208 citations · 2.2k across the 106 of their papers we have counts for

collaborators

Showing 2018Show all

24 papers · 1 filter

hep-ph2018★ 45 cited

Electroweak phase transition and Higgs phenomenology in the Georgi-Machacek model

Ruiyu Zhou, Wei Cheng, Xin Deng +2

In this work, we perform the electroweak phase transition study with the Georgi-Machacek model. We investigate both the one-step and two-step strong first order electroweak phase t…

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★ 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★ 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

Dalitz Plot Analysis of the Decay $ω \to π^{+} π^{-} π^{0}$

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

Using a low-background sample of $2.6 \times 1 0^{5}$ $J / ψ \to ω η (ω \to π^{+} π^{-} π^{0}, η \to γ γ)$ events, about 5 times larger statistics than previous experiments,…

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★ 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★ 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★ 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★ 3 cited

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

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

By analyzing $2.93 f b^{- 1}$ of data taken at a center-of-mass energy of 3.773~GeV with the BESIII detector, we measure the branching fractions of the Cabibbo-favored hadronic…

hep-ex2018★ 26 cited

Measurement of $B (J / ψ \to η^{'} e^{+} e^{-}$ ) and search for a dark photon

M. Ablikim, M. N. Achasov, S. Ahmed +455

Using a data sample of $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ decay events collected with the BESIII detector at BEPCII, we study the electromagnetic Dalitz decay $J / ψ \to η^{'} e^{+} e^{-}$ wi…

hep-ex2018★ 208 cited

Polarization and Entanglement in Baryon-Antibaryon Pair Production in Electron-Positron Annihilation

BESIII Collaboration, M. Ablikim, M. N. Achasov +465

Using a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector, we report the first observation of spin polarization of $Λ$ and $Λ ˉ$ hyperons from the coher…

hep-ph2018★ 11 cited

The $B \to ρ$ helicity form factors within the QCD light-cone sum rules

Wei Cheng, Xing-Gang Wu, Rui-Yu Zhou +1

We study the $B \to ρ$ helicity form factors (HFFs) by applying the light-cone sum rules up to twist-4 accuracy. The HFF has some advantages in comparison to the conventionally cal…

hep-ex2018★ 18 cited

Search for invisible decays of $ω$ and $ϕ$ with $J / ψ$ data at BESIII

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

Using a data sample of $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII collider, we perform the first experimental search for…

hep-ph2018★ 14 cited

Higgs inflation and cosmological electroweak phase transition with N scalars in the post-Higgs era

Wei Cheng, Ligong Bian

We study inflation and cosmological electroweak phase transitions utilizing the Standard model augmented by $N$ scalars respecting a global $O (N)$ symmetry. We observe that the rep…

hep-ex2018★ 40 cited

Observation of the Semileptonic Decay $D^{0} \to a_{0} (980)^{-} e^{+} ν_{e}$ and Evidence for $D^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +434

Using an $e^{+} e^{-}$ collision data sample of 2.93 fb $^{- 1}$ collected at a center-of-mass energy of 3.773 GeV by the BESIII detector at BEPCII, we report the observation of $D^0 \to…

hep-ex2018★ 11 cited

Observation of $ψ (3686) \to η^{'} e^{+} e^{-}$

M. Ablikim, M. N. Achasov, S. Ahmed +454

Using a data sample of $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz…

hep-ex2018★ 27 cited

Search for the rare decays $D \to h (h^{'}) e^{+} e^{-}$

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

We search for rare decays of $D$ mesons to hadrons accompany with an electron-positron pair (h(h') $e^{+} e^{-}$ ), using an $e^{+} e^{-}$ collision sample corresponding to an integrated lumin…

hep-ph2018★ 1 cited

The asymmetries of the $B \to K^{*} μ^{+} μ^{-}$ decay and the search of new physics beyond the Standard Model

Hai-Bing Fu, Xing-Gang Wu, Wei Cheng +2

In this paper, we compute the forward-backward asymmetry and the isospin asymmetry of the $B \to K^{*} μ^{+} μ^{-}$ decay. The $B \to K^{*}$ transition form factors (TFFs) are key componen…

hep-ph2018★ 18 cited

The longitudinal leading-twist distribution amplitude of $J / ψ$ meson within background field theory

Hai-Bing Fu, Long Zeng, Wei Cheng +2

We make a detailed study on the $J / ψ$ meson longitudinal leading-twist distribution amplitude $ϕ_{2; J / ψ}^{∥}$ by using the QCD sum rules within the background field theory. By keepi…

hep-ph2018★ 44 cited

From inflation to cosmological electroweak phase transition with a complex scalar singlet

Wei Cheng, Ligong Bian

In this work, we investigate the possibility to realize inflation and strong first order electroweak phase transitions(SFOEWPT) together with the relic density explanation. We stud…

Electroweak phase transition and Higgs phenomenology in the Georgi-Machacek model

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

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

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

Dalitz Plot Analysis of the Decay ω→π+π−π0

Study of the decay D0→Kˉ0π−e+νe​

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

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

First observations of hc​→ hadrons

Observation of OZI suppressed decays χcJ​→ωϕ

Observation of D0(+)→KS0​π0(+)η′ and improved measurement of D0→K−π+η′

Measurement of B(J/ψ→η′e+e−) and search for a dark photon

Polarization and Entanglement in Baryon-Antibaryon Pair Production in Electron-Positron Annihilation

The B→ρ helicity form factors within the QCD light-cone sum rules

Search for invisible decays of ω and ϕ with J/ψ data at BESIII

Higgs inflation and cosmological electroweak phase transition with N scalars in the post-Higgs era

Observation of the Semileptonic Decay D0→a0​(980)−e+νe​ and Evidence for D+→a0​(980)0e+νe​

Observation of ψ(3686)→η′e+e−

Search for the rare decays D→h(h′)e+e−

The asymmetries of the B→K∗μ+μ− decay and the search of new physics beyond the Standard Model

The longitudinal leading-twist distribution amplitude of J/ψ meson within background field theory

From inflation to cosmological electroweak phase transition with a complex scalar singlet

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

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

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

Dalitz Plot Analysis of the Decay $ω \to π^{+} π^{-} π^{0}$

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

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

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

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

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 $4.60 GeV$

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

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

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

Measurement of $B (J / ψ \to η^{'} e^{+} e^{-}$ ) and search for a dark photon

The $B \to ρ$ helicity form factors within the QCD light-cone sum rules

Search for invisible decays of $ω$ and $ϕ$ with $J / ψ$ data at BESIII

Observation of the Semileptonic Decay $D^{0} \to a_{0} (980)^{-} e^{+} ν_{e}$ and Evidence for $D^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

Observation of $ψ (3686) \to η^{'} e^{+} e^{-}$

Search for the rare decays $D \to h (h^{'}) e^{+} e^{-}$

The asymmetries of the $B \to K^{*} μ^{+} μ^{-}$ decay and the search of new physics beyond the Standard Model

The longitudinal leading-twist distribution amplitude of $J / ψ$ meson within background field theory