H. Ke

activity

20052023

Λ

hyperon polarization in nuclear collisions: evidence for the most vortical fluid

920 citations · 8.9k across the 213 of their papers we have counts for

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80 papers · 1 filter

hep-ph2023★ 1 cited

Study on the possible molecular states composed of $Λ_{c} D ˉ^{}$ , $Σ_{c} D ˉ^{}$ , $Ξ_{c} D ˉ^{}$ and $Ξ_{c}^{'} D ˉ^{}$ in the Bethe-Salpeter frame based on the pentaquark states $P_{c} (4440)$ , $P_{c} (4457)$ and $P_{cs} (4459)$

Hong-Wei Ke, Fang Lu, Hai Pang +2

The measurements on a few pentaquarks states $P_{c} (4440)$ , $P_{c} (4457)$ and $P_{cs} (4459)$ excite our new interests about their structures. Since the masses of $P_{c} (4440)$ and $P_c(4…

hep-ph2023★ 11 cited

Study on the weak decay between two heavy baryons $B_{i} (\frac{1}{2}^{+}) \to B_{f} (\frac{3}{2}^{+})$ in the light-front quark model

Fang Lu, Hong-Wei Ke, Xiao-Hai Liu +1

In this work, we study the weak decay between two heavy baryons $B_{i} (\frac{1}{2}^{+}) \to B_{f} (\frac{3}{2}^{+})$ in the light-front quark model where three-quark pic…

hep-ph2023★ 14 cited

Searching for doubly charmed tetraquark candidates $T_{cc}$ and $T_{cc s ˉ}$ in $B_{c}$ decays

Yuan Li, Ying-Bo He, Xiao-Hai Liu +2

In this work, we propose to search for the exotic doubly charmed meson $T_{cc}^{+}$ and its analog $T_{cc s ˉ}^{+}$ in $B_{c}^{+}$ decays, which provide a good environment for the forma…

hep-ph2022★ 24 cited

Possible molecular states of $D ˉ^{} K^{}$ ( $D^{} K^{}$ ) and the new exotic states $X_{0} (2900)$ and $X_{1} (2900)$ ( $T_{cs 0}^{a} (2900)^{0}$ and $T_{cs 0}^{a} (2900)^{++}$ )

Hong-Wei Ke, Yi-Fan Shi, Xiao-Hai Liu +1

Two iso-singlet hadron states $X_{0} (2900)$ and $X_{1} (2900)$ with $J = 0$ and 1 respectively, discovered by the LHCb collaboration in 2020, were identified as molecular bound states of…

hep-ph2022★ 19 cited

Possibility of $T_{c s ˉ} (2900)$ as the resonance-like structure induced by threshold effects

Ying-Hui Ge, Xiao-Hai Liu, Hong-Wei Ke

We investigate the process $B \to D ˉ D_{s} π$ via several rescattering processes. It is shown that the triangle singularity (TS) peak around the $D^{*} K^{*}$ threshold generated from…

hep-ph2022★ 149 cited

Pattern of Global Spin Alignment of $ϕ$ and $K^{* 0}$ mesons in Heavy-Ion Collisions

STAR Collaboration, M. S. Abdallah, B. E. Aboona +379

Notwithstanding decades of progress since Yukawa first developed a description of the force between nucleons in terms of meson exchange, a full understanding of the strong interact…

hep-ph2022

Revisiting the transition $Ξ_{cc}^{+} \to Ξ_{c}^{(^{'}) +}$ to understand the data from LHCb

Hong-Wei Ke, Xue-Qian Li

The LHCb collaboration newly measured the decay rate of doubly charmed baryon $Ξ_{cc}^{++} \to Ξ^{^{'} +} π^{+}$ and a ratio of its branching fraction with respect to that of the decay $Ξ^{…

hep-ph2022★ 8 cited

The study of possible molecular states of $D_{s}^{()} D_{s}^{()}$ and $B_{s}^{()} B_{s}^{()}$

Hong-Wei Ke, Yan-Liang Shi

Recently the LHCb collaboration reported a new exotic state $T_{cc}^{+}$ which is conjectured to be a molecular state of $D^{0} D^{*+}$ (or $D^{* 0} D^{+}$ ) theoretically. Belle Collabora…

hep-ph2021★ 52 cited

Possible Molecular States of $D^{()} D^{()}$ and $B^{()} B^{()}$ within the Bethe-Salpeter framework

Hong-Wei Ke, Xiao-Hai Liu, Xue-Qian Li

Recently the LHCb collaboration reported a new exotic state $T_{cc}^{+}$ which possesses $cc u ˉ d ˉ$ flavor structure. Since its mass is very close to the threshold of $D^0D^{*+…

hep-ph2021★ 13 cited

The weak decays of $Ξ_{c}^{(^{'})} \to Ξ$ in the light-front quark model

Hong-Wei Ke, Qing-Qing Kang, Xiao-Hai Liu +1

Without contamination from the final state interactions, the calculation of the branching ratios of semileptonic decays $Ξ_{c}^{(^{'})} \to Ξ + e^{+} ν_{e}$ may provide us more information abo…

hep-ph2021★ 19 cited

Threshold effects as the origin of $Z_{cs} (4000)$ , $Z_{cs} (4220)$ and $X (4700)$ observed in $B^{+} \to J / ψ ϕ K^{+}$

Ying-Hui Ge, Xiao-Hai Liu, Hong-Wei Ke

We investigate the $B^{+} \to J / ψ ϕ K^{+}$ decay via various rescattering diagrams. Without introducing genuine exotic resonances, it is shown that the $Z_{cs} (4000)$ , $Z_{cs} (4220)$ and…

hep-ph2021★ 64 cited

Tetraquark state $X (6900)$ and the interaction between diquark and antidiquark

Hong-Wei Ke, Xin Han, Xiao-Hai Liu +1

Recently LHCb declared a new structure $X (6900)$ in the final state di- $J / ψ$ which is popularly regarded as a $cc$ - $c ˉ c ˉ$ tetraquark state. %popularly. Within the Bethe-Sal…

hep-ph2020★ 3 cited

A natural interpretation on the data of $Λ_{c} \to Σ π$

Hong-Wei Ke, Xue-Qian Li

Even though the Standard Model (SM) has achieved great success, its application to the field of low energies still lacks solid foundation due to our limited knowledge on non-pertur…

hep-ph2020★ 65 cited

Triangle singularity as the origin of $X_{0} (2900)$ and $X_{1} (2900)$ observed in $B^{+} \to D^{+} D^{-} K^{+}$

Xiao-Hai Liu, Mao-Jun Yan, Hong-Wei Ke +2

The LHCb collaboration reported the observation of a narrow peak in the $D^{-} K^{+}$ invariant mass distributions from the $B^{+} \to D^{+} D^{-} K^{+}$ decay. The peak is parameterized in ter…

hep-ph2020★ 1 cited

Study on the possible molecular state composed of $D_{s}^{*} D ˉ_{s 1}$ within the Bethe-Salpeter framework

Hong-Wei Ke, Xiao-Hai Liu, Xue-Qian Li

Recently a vector charmonium-like state $Y (4626)$ was observed in the portal of $D_{s}^{+} D_{s 1} (2536)^{-}$ . It intrigues an active discussion on the structure of the resonance because i…

hep-ph2019★ 14 cited

Study on possible molecular states composed of $Λ_{c} D ˉ$ ( $Λ_{b} B$ ) and $Σ_{c} D ˉ$ ( $Σ_{b} B$ ) within the Bethe-Salpeter framework

Hong-Wei Ke, Mei Li, Xiao-Hai Liu +1

$P_{c} (4312)$ observed by the LHCb collaboration is confirmed as a pentaquark and its structure, production, and decay behaviors attract great attention from theorists and experiment…

hep-ph2019★ 54 cited

Revisiting $Λ_{b} \to Λ_{c}$ and $Σ_{b} \to Σ_{c}$ weak decays in the light-front quark model

Hong-Wei Ke, Ning Hao, Xue-Qian Li

In this work, we study $Λ_{b} \to Λ_{c}$ and $Σ_{b} \to Σ_{c}$ weak decays in the light-front quark model. As is well known, the key point for such calculations is properly evaluating…

hep-ph2018★ 29 cited

Study on the strong decays of $ϕ (2170)$ and a grand expectation for the future charm-tau factory

Hong-Wei Ke, Xue-Qian Li

The present data imply that $ϕ (2170)$ may not be an excited state of $ϕ$ , but is a four quark state with $ss s ˉ s ˉ$ constituents. Furthermore, there are no two mesons of $s\…

hep-ph2018★ 45 cited

The semi-leptonic and non-leptonic weak decays of $Λ_{b}^{0}$

Jie Zhu, Zheng-Tao Wei, Hong-Wei Ke

The recent experimental developments require a more precise theoretical study of weak decays of heavy baryon $Λ_{b}^{0}$ . In this work, we provide an updated and systematic analysis of…

hep-ph2018★ 6 cited

How can $X^{\pm} (5568)$ escape detection?

Hong-Wei Ke, Xue-Qian Li

Multi-quark states were predicted by Gell-Mann when the quark model was first formulated. Recently, numerous exotic states that are considered to be multi-quark states have been ex…

hep-ph2018★ 11 cited

Estimating decay rate of $X^{\pm} (5568) \to B_{s} π^{\pm}$ while assuming them to be molecular states

Hong-Wei Ke, Xue-Qian Li

Discovery of $X (5568)$ brings up a tremendous interest because it is very special, i.e. made of four different flavors. The D0 collaboration claimed that they observed this resonan…

hep-ph2017★ 20 cited

$Σ_{b} \to Σ_{c}^{*}$ weak decays in the light-front quark model with two schemes to deal with the polarization of diquark

Hong-Wei Ke, Ning Hao, Xue-Qian Li

Thanks to the remarkable achievements of LHC, a large database on baryons has been accumulated, so it is believed that the time for precisely studying baryons especially heavy bary…

hep-ph2017★ 5 cited

Estimating the production rates of D-wave charmed mesons via the semileptonic decays of bottom mesons

Kan Chen, Hong-Wei Ke, Xiang Liu +1

In this work, using the covariant light front approach with conventional vertex functions, we estimate the production rates of $D$ -wave charmed/charmed-strange mesons via $B_{(s)}$ …

hep-ph2017★ 4 cited

Determining the effective Wilson coefficient $a_{2}$ in terms of $B R (B_{s} \to η_{c} ϕ)$ and evaluating $B R (B_{s} \to η_{c} f_{0} (980))$

Hong-Wei Ke, Xue-Qian Li

In this work, we investigate decays of $B_{s} \to η_{c} ϕ$ and $B_{s} \to η_{c} f_{0} (980)$ in a theoretical framework. The calculation is based on the postulation that $f_{0} (980)$ and $f_{0} (500)$ …

Study on the possible molecular states composed of Λc​Dˉ∗, Σc​Dˉ∗, Ξc​Dˉ∗ and Ξc′​Dˉ∗ in the Bethe-Salpeter frame based on the pentaquark states Pc​(4440), Pc​(4457) and Pcs​(4459)

Study on the weak decay between two heavy baryons Bi​(21​+)→Bf​(23​+) in the light-front quark model

Searching for doubly charmed tetraquark candidates Tcc​ and Tccsˉ​ in Bc​ decays

Possible molecular states of Dˉ∗K∗ (D∗K∗) and the new exotic states X0​(2900) and X1​(2900) (Tcs0a​(2900)0 and Tcs0a​(2900)++)

Possibility of Tcsˉ​(2900) as the resonance-like structure induced by threshold effects

Pattern of Global Spin Alignment of ϕ and K∗0 mesons in Heavy-Ion Collisions

Revisiting the transition Ξcc+​→Ξc(′)+​ to understand the data from LHCb

The study of possible molecular states of Ds(∗)​Ds(∗)​ and Bs(∗)​Bs(∗)​

Possible Molecular States of D(∗)D(∗) and B(∗)B(∗) within the Bethe-Salpeter framework

The weak decays of Ξc(′)​→Ξ in the light-front quark model

Threshold effects as the origin of Zcs​(4000), Zcs​(4220) and X(4700) observed in B+→J/ψϕK+

Tetraquark state X(6900) and the interaction between diquark and antidiquark

A natural interpretation on the data of Λc​→Σπ

Triangle singularity as the origin of X0​(2900) and X1​(2900) observed in B+→D+D−K+

Study on the possible molecular state composed of Ds∗​Dˉs1​ within the Bethe-Salpeter framework

Study on possible molecular states composed of Λc​Dˉ (Λb​B) and Σc​Dˉ (Σb​B) within the Bethe-Salpeter framework

Revisiting Λb​→Λc​ and Σb​→Σc​ weak decays in the light-front quark model

Study on the strong decays of ϕ(2170) and a grand expectation for the future charm-tau factory

The semi-leptonic and non-leptonic weak decays of Λb0​

How can X±(5568) escape detection?

Estimating decay rate of X±(5568)→Bs​π± while assuming them to be molecular states

Σb​→Σc∗​ weak decays in the light-front quark model with two schemes to deal with the polarization of diquark

Estimating the production rates of D-wave charmed mesons via the semileptonic decays of bottom mesons

Determining the effective Wilson coefficient a2​ in terms of BR(Bs​→ηc​ϕ) and evaluating BR(Bs​→ηc​f0​(980))

Study on the possible molecular states composed of $Λ_{c} D ˉ^{}$ , $Σ_{c} D ˉ^{}$ , $Ξ_{c} D ˉ^{}$ and $Ξ_{c}^{'} D ˉ^{}$ in the Bethe-Salpeter frame based on the pentaquark states $P_{c} (4440)$ , $P_{c} (4457)$ and $P_{cs} (4459)$

Study on the weak decay between two heavy baryons $B_{i} (\frac{1}{2}^{+}) \to B_{f} (\frac{3}{2}^{+})$ in the light-front quark model

Searching for doubly charmed tetraquark candidates $T_{cc}$ and $T_{cc s ˉ}$ in $B_{c}$ decays

Possible molecular states of $D ˉ^{} K^{}$ ( $D^{} K^{}$ ) and the new exotic states $X_{0} (2900)$ and $X_{1} (2900)$ ( $T_{cs 0}^{a} (2900)^{0}$ and $T_{cs 0}^{a} (2900)^{++}$ )

Possibility of $T_{c s ˉ} (2900)$ as the resonance-like structure induced by threshold effects

Pattern of Global Spin Alignment of $ϕ$ and $K^{* 0}$ mesons in Heavy-Ion Collisions

Revisiting the transition $Ξ_{cc}^{+} \to Ξ_{c}^{(^{'}) +}$ to understand the data from LHCb

The study of possible molecular states of $D_{s}^{()} D_{s}^{()}$ and $B_{s}^{()} B_{s}^{()}$

Possible Molecular States of $D^{()} D^{()}$ and $B^{()} B^{()}$ within the Bethe-Salpeter framework

The weak decays of $Ξ_{c}^{(^{'})} \to Ξ$ in the light-front quark model

Threshold effects as the origin of $Z_{cs} (4000)$ , $Z_{cs} (4220)$ and $X (4700)$ observed in $B^{+} \to J / ψ ϕ K^{+}$

Tetraquark state $X (6900)$ and the interaction between diquark and antidiquark

A natural interpretation on the data of $Λ_{c} \to Σ π$

Triangle singularity as the origin of $X_{0} (2900)$ and $X_{1} (2900)$ observed in $B^{+} \to D^{+} D^{-} K^{+}$

Study on the possible molecular state composed of $D_{s}^{*} D ˉ_{s 1}$ within the Bethe-Salpeter framework

Study on possible molecular states composed of $Λ_{c} D ˉ$ ( $Λ_{b} B$ ) and $Σ_{c} D ˉ$ ( $Σ_{b} B$ ) within the Bethe-Salpeter framework

Revisiting $Λ_{b} \to Λ_{c}$ and $Σ_{b} \to Σ_{c}$ weak decays in the light-front quark model

Study on the strong decays of $ϕ (2170)$ and a grand expectation for the future charm-tau factory

The semi-leptonic and non-leptonic weak decays of $Λ_{b}^{0}$

How can $X^{\pm} (5568)$ escape detection?

Estimating decay rate of $X^{\pm} (5568) \to B_{s} π^{\pm}$ while assuming them to be molecular states

$Σ_{b} \to Σ_{c}^{*}$ weak decays in the light-front quark model with two schemes to deal with the polarization of diquark

Determining the effective Wilson coefficient $a_{2}$ in terms of $B R (B_{s} \to η_{c} ϕ)$ and evaluating $B R (B_{s} \to η_{c} f_{0} (980))$