Ho Chi Minh City University of Science

output

20082026

most citedAnabranch Network for Camouflaged Object Segmentation

753 citations

researchers with a paper here

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

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25 papers · 1 filter

hep-ph2025★ 4 cited

Polarization observables in semileptonic $V \to P$ decays of quarkonia

Chien-Thang Tran, Mikhail A. Ivanov, Ngoc-Dung Nguyen +1

We investigate the weak semileptonic decays of the charmonium $J / ψ$ and bottomonium $Υ (1 S)$ into a pseudoscalar meson, namely, the $J / ψ \to D_{(s)} ℓ ν ˉ_{ℓ}$ and $Υ(1S)\to B_{(…

hep-ph2024

Twin electroweak bubble nucleation and gravitational wave under the $S_{3}$ symmetry of two-Higgs-doublet model

Vo Quoc Phong, Nguyen Xuan Vinh, Phan Hong Khiem

Sphaleron electroweak phase transition (EWPT) is calculated in two phase transition stages, thereby showing that the twin (or double) bubble nucleation structure of the phase trans…

hep-ph2024

Sphaleron and gravitational wave with the Higgs-Dilaton potential in the Standard Model Two-Time Physics

Vo Quoc Phong, Quach Ai Mi, Nguyen Xuan Vinh

By introducing a Higgs-Dilaton potential, the 2T model has a trigger for a first order electroweak phase transition, namely for the mass of Dilaton between $300$ GeV and $550$ GeV…

hep-ph2023★ 22 cited

Rare and exclusive few-body decays of the Higgs, Z, W bosons, and the top quark

David d'Enterria, Van Dung Le

We perform an extensive survey of rare and exclusive few-body decays -- defined as those with branching fractions $B ≲ 1 0^{- 5}$ into two to four final particles --…

hep-ph2023★ 12 cited

Radiative decays $D^*_{(s)}\to D_{(s)}γ$ in covariant confined quark model

Chien-Thang Tran, Mikhail A. Ivanov, Pietro Santorelli +1

Radiative decays $D_{(s)}^{*} \to D_{(s)} γ$ are revisited in light of new experimental data from the \textit{BABAR} and BESIII collaborations. The radiative couplings $g_{D^{*} D γ}$ enco…

hep-ph2023★ 10 cited

One-loop expressions for $h \to l l ˉ γ$ in Higgs extensions of the Standard Model

L. T. Hue, Dzung Tri Tran, Thanh Huy Nguyen +1

A systematic study of one-loop contributions to the decay channels $h \to l l ˉ γ$ with $l = ν_{e, μ, τ}, e, μ$ , performed in Higgs extended versions of the Standard Model, i…

hep-ph2021

General one-loop formulas for $H \to f f ˉ γ$ and its applications

Vo Van On, Dzung Tri Tran, Chi Linh Nguyen +1

We present general one-loop contributions to the decay processes $H \to f f ˉ γ$ including all possible the exchange of the additional heavy vector gauge bosons, heavy fer…

hep-ph2021★ 2 cited

One-loop contributions to the decay $H \to ν_{l} ν ˉ_{l} γ$ in standard model revisited

Dzung Tri Tran, Khiem Hong Phan

One-loop contributions to the decay $H \to ν_{l} ν ˉ_{l} γ$ with $l = e, μ, τ$ within standard model framework are revisited in this paper. We derive two representations for the f…

hep-ph2021★ 7 cited

Baryogenesis and gravitational waves in the Zee-Babu Model

Vo Quoc Phong, Nguyen Chi Thao, Hoang Ngoc Long

To explain the matter-antimatter asymmetry in the Zee-Babu (ZB) model, the sphaleron process in the baryogenesis scenario is calculated. It always satisfies the de-coupling conditi…

hep-ph2021★ 1 cited

Constraint on the Higgs-Dilaton potential via Warm inflation in Two-Time Physics

Vo Quoc Phong, Ngo Phuc Duc Loc

Within the $S P (2, R)$ symmetry, the Two-time model (2T model) has six dimensions with two dimensions of time and the dilaton field that can be identified as inflaton in a warm infla…

hep-ph2020★ 6 cited

Inflation with a class of concave inflaton potentials in Randall-Sundrum model

Ngo Phuc Duc Loc

We investigate inflation with a class of concave inflaton potentials of the form $\sim ϕ^{n}$ $(0 < n < 1)$ in the Randall-Sundrum model with an infinite extra spatial dimension. We show…

hep-ph2020★ 3 cited

Scalar 1-loop Feynman integrals as meromorphic functions in space-time dimension d, II: Special kinematics

Khiem Hong Phan

Based on the method developed in [K.~H.~Phan and T.~Riemann, Phys.\ Lett.\ B {\bf 791} (2019) 257], detailed analytic results for scalar one-loop two-, three-, four-point integrals…

hep-ph2020★ 2 cited

Hypergeometric presentation for one-loop contributing to $H \to Z γ$

Khiem Hong Phan, Dzung Tri Tran

In this paper, new analytic formulas for one-loop contributing to Higgs decay channel $H \to Z γ$ are presented in terms of hypergeometric functions. The calculations are pe…

hep-ph2020★ 16 cited

Sphaleron in the first-order electroweak phase transition with the dimension-six Higgs operator

Vo Quoc Phong, Phan Hong Khiem, Ngo Phuc Duc Loc +1

By adding the dimension-six operator for the Higgs potential (denoted $O_{6}$ ) in Standard Model, we have a first-order electroweak phase transition (EWPT) whose strength i…

hep-ph2019★ 83 cited

Constraining new physics from Higgs measurements with Lilith: update to LHC Run 2 results

Sabine Kraml, Tran Quang Loc, Dao Thi Nhung +1

Lilith is a public Python library for constraining new physics from Higgs signal strength measurements. We here present version 2.0 of Lilith together with an updated XML database…

hep-ph2019★ 2 cited

Electro-weak Phase Transition With Three Phases in The $S U (2)_{1} \otimes S U (2)_{2} \otimes U (1)_{Y}$ Model

Vo Quoc Phong, Nguyen Minh Anh

Our analysis shows that SM-like electroweak phase transition (EWPT) in the $S U (2)_{1} \otimes S U (2)_{2} \otimes U (1)_{Y}$ (2-2-1) model is a first-order phase transition at the $200$ GeV…

hep-ph2019★ 7 cited

One-loop three-point Feynman integrals with Appell $F_{1}$ hypergeometric functions

Khiem Hong Phan, Dzung Tri Tran

New analytic formulas for one-loop three-point Feynman integrals in general space-time dimension ( $d$ ) are presented in this paper. The calculations are performed at general config…

hep-ph2019★ 3 cited

Electroweak phase transition via Dilaton in Two-Time Physics

Vo Quoc Phong, Dam Quang Nam

The Two-time model (2T model) has six dimensions with two dimensions of time, has a Dilaton particle that makes the symmetry breaking differently from the Standard Model. Assuming…

hep-ph2018★ 5 cited

Multi-period structure of electro-weak phase transition in the 3-3-1-1 model

Vo Quoc Phong, N. T. Tuong, N. C. Thao +1

The electroweak phase transition (EWPT) is considered in the framework of 3-3-1-1 model for Dark Matter. The phase structure within three or two periods is approximated for the the…

hep-ph2017★ 2 cited

Beam polarization effects on top-pair production at the ILC

Nhi M. U. Quach, Yoshimasa Kurihara, Khiem H. Phan +1

Full one-loop electroweak-corrections for an $e^{-} e^{+} \to t t ˉ$ process associated with sequential $t \to b μ ν_{μ}$ decay are discussed. At the one-loop level, the…

hep-ph2015★ 8 cited

Baryogenesis in the Zee-Babu model with arbitrary $ξ$ gauge

Vo Quoc Phong, Nguyen Chi Thao, Hoang Ngoc Long

We consider the baryogenesis picture in the Zee-Babu model. Our analysis shows that electroweak phase transition (EWPT) in the model is a first-order phase transition at the $100$ …

hep-ph2014★ 23 cited

Electroweak phase transition in the economical 3-3-1 model

Vo Quoc Phong, Hoang Ngoc Long, Vo Thanh Van +1

We consider the EWPT in the economical 3-3-1 (E331) model. Our analysis shows that the EWPT in the model is a sequence of two first-order phase transitions, $SU(3) \rightarrow SU(2…

hep-ph2014★ 19 cited

Electroweak sphalerons in the reduced minimal 3-3-1 model

Vo Quoc Phong, Hoang Ngoc Long, Vo Thanh Van +1

We calculate the electroweak sphaleron rates in the reduced minimal 3-3-1 (RM331) model. In the context of the early Universe, this model undergoes a sequence of two first-order ph…

hep-ph2013★ 21 cited

Electroweak phase transition in the reduced minimal 3-3-1 model

Vo Quoc Phong, Hoang Ngoc Long, Vo Thanh Van

The electroweak phase transition is considered in framework of the reduced minimal 3-3-1 model (RM331). Structure of phase transition in this model is divided into two periods. The…

Polarization observables in semileptonic V→P decays of quarkonia

Twin electroweak bubble nucleation and gravitational wave under the S3​ symmetry of two-Higgs-doublet model