Beihang University

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295 papers · 1 filter

hep-ph2026

Probing $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ semileptonic decay within LCSR under chiral heavy quark effective field theory

Ruiyu Zhou, Hai-Bing Fu, Yi Zhang +1

Motivated by the successful application of Heavy Quark Effective Field Theory in describing decays from heavy to light mesons, this work explores its applicability to the semilepto…

hep-ph2026★ 1 cited

Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities

Deniz Aybas, Hendrik Bekker, Dmitry Budker +12

Axions and axion-like particles are compelling candidates for ultralight bosonic dark matter, forming coherent oscillating fields that can be probed by experiments known as halosco…

hep-ph2026★ 1 cited

Toward Precision Helicity PDFs from Global DIS and SIDIS Fits with Projected EIC Measurements

HAPS Collaboration, Hamzeh Khanpour, Maryam Soleymaninia +5

We present a new global determination of the helicity-dependent parton distribution functions (PDFs) of the proton, based on inclusive deep-inelastic scattering (DIS) and semi-incl…

hep-ph2026

The dynamically generated $h_{1}$ state by the $K^{} K ˉ^{}$ interaction and its $K_{1} (1270) K ˉ$ and $b_{1} (1235) π$ decays

Qing-Hua Shen, Li-Sheng Geng, Xiang Liu +1

We investigate the dynamically generated $h_{1}$ state with spin-parity $J^{P} = 1^{+}$ and a mass around 1790~MeV, arising from the $K^{*} K ˉ^{*}$ interaction within the chiral unitary…

hep-ph2026★ 3 cited

The dynamically generated $N (1535)$ state in the $Λ_{c}^{+} \to p K ˉ^{0} π^{0}$ decay

Ying Li, En Wang, Li-Sheng Geng +1

We present a theoretical analysis of the process $Λ_{c}^{+} \to p K ˉ^{0} π^{0}$ within the chiral unitary approach, with particular emphasis on the dynamically generated $N (1535)$ reso…

hep-ph2025

Determination of $B$ -meson distribution amplitudes from $B \to π, K, D$ transition form factors

Dong-Hao Li, Cai-Dian Lü, Ulf-G. Meißner +1

Recent work on $B \to π$ , $K$ and $B \to D$ form factors from lattice QCD and light-cone sum rules has made it possible to constrain the inverse moment $λ_{B}$ of the $B$ -meson light-…

hep-ph2025

Short-range production of three bottom mesons

Yong-Hui Lin, Hans-Werner Hammer, Ulf-G. Meißner

Previous investigations of the three-body dynamics of $B$ mesons have shown that no Efimov effect arises in systems composed of three $B$ and $B^{*}$ mesons. This implies that the pr…

hep-ph2025

Parameter Inference from Final-State Entanglement in Higgs Decays

Jia Liu, Masanori Tanaka, Xiao-Ping Wang +2

The decay out-states of unstable Standard Model (SM) particles provide a unique, well-defined intrinsic quantum-information probe of the SM parameter space. We use Higgs decays as…

hep-ph2025

Model-independent mass determination of near-threshold states from short-range production

Yong-Hui Lin, Hans-Werner Hammer, Ulf-G. Meißner

We propose a novel observable for the precision measurements of a wide class of near-threshold dimer states: the short-range production rate of a dimer--spectator two-body system,…

hep-ph2025★ 2 cited

Radiative decays of the $Ω (2012)$ as a hadronic molecule

Qing-Hua Shen, Jun-Xu Lu, Li-Sheng Geng +2

We present a theoretical investigation of the radiative decay process $Ω (2012) \to γ Ω$ , where the $Ω (2012)$ resonance with spin-parity $J^{P} = \frac{3}{2}^{-}$ , is treated as a dynamica…

hep-ph2025★ 4 cited

Scattering Entanglement Entropy and Its Implications for Electroweak Phase Transitions

Jia Liu, Masanori Tanaka, Xiao-Ping Wang +2

We investigate the connection between the entanglement entropy in scattering processes and the dynamics of electroweak phase transitions. Recent work has shown that the scattering…

hep-ph2025

Calculation of the axial-vector coupling constant $g_{A}$ to two loops in covariant chiral perturbation theory

Véronique Bernard, Jambul Gegelia, Shayan Ghosh +1

We present a calculation of the leading two-loop corrections to the axial-vector coupling constant $g_{A}$ in two covariant versions of two-flavor baryon chiral perturbation theory.…

hep-ph2025★ 1 cited

Ultimate Quantum Precision Limit at Colliders: Conditions and Case Studies

Tengyu Ai, Qi Bi, Yuxin He +2

We investigate whether collider experiments can reach the quantum limit of precision, defined by the quantum Fisher information (QFI), using only classical observables such as part…

hep-ph2025★ 5 cited

Resonance parameters of the vector charmoniumlike state $G (3900)$

Quanxing Ye, Zhenyu Zhang, Meng-Lin Du +3

Motivated by the updated analysis of the $G (3900)$ by the BESIII collaboration, we perform a global analysis of the cross sections of the $e^{+} e^{-} \to D D ˉ$ , $e^+e^-\to D\bar{D}^…

hep-ph2025★ 3 cited

Are compact open-charm tetraquarks consistent with recent lattice results?

Feng-Kun Guo, Christoph Hanhart

We argue that the hypothesis that positive-parity charm meson resonances exhibit a compact tetraquark structure has some clear tension with recent lattice results for the $S$ -wave…

hep-ph2025★ 4 cited

Production of $1^{-+}$ exotic charmonium-like states in electron-positron collisions

Xiao-Yu Zhang, Pan-Pan Shi, Feng-Kun Guo

The absence of observed charmonium-like states with the exotic quantum numbers $J^{P C} = 1^{-+}$ has prompted us to investigate the production rates of the $1^{-+}$ $D D ˉ_{1} (2420)$ …

hep-ph2025★ 6 cited

Role of the short-range dynamics in the formation of $D^{()} D ˉ^{()} / B^{()} B ˉ^{()}$ hadronic molecules

Nijiati Yalikun, Xiang-Kun Dong, Ulf-G. Meißner

We investigate potential hadronic molecular states in the $D^{(*)} D ˉ^{(*)}$ and $B^{(*)} B ˉ^{*}$ systems using light meson exchange interactions. Our analysis focuses on cou…

hep-ph2024★ 3 cited

The Baryon-Baryon Interaction in the Large- $N_{c}$ Limit

Thomas Vonk, Ulf-G. Meißner

We analyze the large- $N_{c}$ structure of the baryon-baryon potential derived in the framework of SU(3) chiral perturbation theory up to next-to-leading order including contact inter…

hep-ph2024★ 9 cited

Toponium: the smallest bound state and simplest hadron in quantum mechanics

Jing-Hang Fu, Yu-Ji Li, Hui-Min Yang +3

We explore toponium, the smallest known quantum bound state of a top quark and its antiparticle, bound by the strong force. With a Bohr radius of $8 \times 1 0^{- 18}$ ~m and a lifetim…

hep-ph2024★ 1 cited

Testing the Fifth Force on Lepton Spins through Neutrino Oscillations

Rundong Fang, Ji-Heng Guo, Jia Liu +1

We investigate a fifth force mediated by a light vector boson that couples to lepton spins, characterized by axial-vector couplings to leptons and vector couplings to nucleons. Thi…

hep-ph2024★ 29 cited

Production of exotic hadrons in $pp$ and nuclear collisions

Jinhui Chen, Feng-Kun Guo, Yu-Gang Ma +5

Exotic hadrons beyond the conventional quark model have been discovered in the past two decades. Investigations of these states can lead to deep understanding of nonperturbative dy…

hep-ph2024

$B_{(s)} \to S (a_{0} (1450), K_{0}^{*} (1430), f_{0} (1500))$ helicity form factors within QCD light-cone sum rules

Yi Zhang, Wei Cheng, Jia-Wei Zhang +3

In this paper, we investigate the helicity form factors (HFFs) of the $B_{(s)}$ -meson decay into a scalar meson with a mass larger than 1~GeV, {\it i.e.,} $B \to a_{0} (1450)$ , $B_{(s…

hep-ph2024★ 15 cited

Dispersive Determination of Nucleon Gravitational Form Factors

Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +1

Being closely connected to the origin of the nucleon mass, the gravitational form factors of the nucleon have attracted significant attention in recent years. We present the first…

hep-ph2024★ 10 cited

Towards a precision determination of the $X (6200)$ parameters from data

Yi-Lin Song, Yu Zhang, Vadim Baru +3

In a recent paper, Phys. Rev. Lett. {\bf 126}, 132001 (2021), the LHCb data on the di- $J / ψ$ production in proton-proton collisions were analysed in a coupled-channel framework base…

Probing Ds+​→η(′)ℓ+νℓ​ semileptonic decay within LCSR under chiral heavy quark effective field theory

Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities

Toward Precision Helicity PDFs from Global DIS and SIDIS Fits with Projected EIC Measurements

The dynamically generated h1​ state by the K∗Kˉ∗ interaction and its K1​(1270)Kˉ and b1​(1235)π decays

The dynamically generated N(1535) state in the Λc+​→pKˉ0π0 decay

Determination of B-meson distribution amplitudes from B→π,K,D transition form factors

Short-range production of three bottom mesons

Parameter Inference from Final-State Entanglement in Higgs Decays

Model-independent mass determination of near-threshold states from short-range production

Radiative decays of the Ω(2012) as a hadronic molecule

Scattering Entanglement Entropy and Its Implications for Electroweak Phase Transitions

Calculation of the axial-vector coupling constant gA​ to two loops in covariant chiral perturbation theory

Ultimate Quantum Precision Limit at Colliders: Conditions and Case Studies

Resonance parameters of the vector charmoniumlike state G(3900)

Are compact open-charm tetraquarks consistent with recent lattice results?

Production of 1−+ exotic charmonium-like states in electron-positron collisions

Role of the short-range dynamics in the formation of D(∗)Dˉ(∗)/B(∗)Bˉ(∗) hadronic molecules

The Baryon-Baryon Interaction in the Large-Nc​ Limit

Toponium: the smallest bound state and simplest hadron in quantum mechanics

Testing the Fifth Force on Lepton Spins through Neutrino Oscillations

Production of exotic hadrons in pp and nuclear collisions

B(s)​→S(a0​(1450),K0∗​(1430),f0​(1500)) helicity form factors within QCD light-cone sum rules

Dispersive Determination of Nucleon Gravitational Form Factors

Towards a precision determination of the X(6200) parameters from data

Probing $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ semileptonic decay within LCSR under chiral heavy quark effective field theory

The dynamically generated $h_{1}$ state by the $K^{} K ˉ^{}$ interaction and its $K_{1} (1270) K ˉ$ and $b_{1} (1235) π$ decays

The dynamically generated $N (1535)$ state in the $Λ_{c}^{+} \to p K ˉ^{0} π^{0}$ decay

Determination of $B$ -meson distribution amplitudes from $B \to π, K, D$ transition form factors

Radiative decays of the $Ω (2012)$ as a hadronic molecule

Calculation of the axial-vector coupling constant $g_{A}$ to two loops in covariant chiral perturbation theory

Resonance parameters of the vector charmoniumlike state $G (3900)$

Production of $1^{-+}$ exotic charmonium-like states in electron-positron collisions

Role of the short-range dynamics in the formation of $D^{()} D ˉ^{()} / B^{()} B ˉ^{()}$ hadronic molecules

The Baryon-Baryon Interaction in the Large- $N_{c}$ Limit

Production of exotic hadrons in $pp$ and nuclear collisions

$B_{(s)} \to S (a_{0} (1450), K_{0}^{*} (1430), f_{0} (1500))$ helicity form factors within QCD light-cone sum rules

Towards a precision determination of the $X (6200)$ parameters from data