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hep-ph2025

The QCD Scale Parameter from the Photon Structure Function

Hun Jang, Eun Bok, Hyeunwoo Kim +2

Photon structure function has been a solid platform in testing strong interaction along with nucleon structure function. Strong Interaction has the property that it is perturbative…

hep-ph2025★ 3 cited

Addressing the sign-problem in Euclidean path integrals with radial basis function neural networks

Gabor Balassa

Solving interacting field theories at finite densities remains a numerically and conceptually challenging task, even with modern computational capabilities. In this paper, we propo…

hep-ph2025

Finite-temperature stability from doublet inflation field with right-handed neutrinos

Seong Chan Park, Shilpa Jangid

We study the augmentation of the Standard Model (SM) with another Higgs doublet and right-handed neutrinos. The second Higgs doublet () is defined to be odd under the…

hep-ph2025★ 2 cited

Neural network expansion of Euclidean path integrals and its application to interacting scalar fields

Gabor Balassa

Studying phase transitions in interacting quantum field theories generally requires the numerical study of the dynamical system on a large lattice, which is, in most cases, computa…

hep-ph2025★ 1 cited

On the solution of Euclidean path integrals with neural networks

Gabor Balassa

This paper proposes a numerical method using neural networks to solve the path integral problem in quantum mechanics for arbitrary potentials. The method is based on a radial basis…

hep-ph2025★ 2 cited

Beyond the Starobinsky model after ACT

Min Gi Park, Dhong Yeon Cheong, Seong Chan Park

We revisit higher order corrections to the Starobinsky inflationary model using the most recent P-ACT-LB-BK18 data, which exhibits a mild but definite tension with the predictions…

hep-ph2025★ 4 cited

Studying the in-medium meson spectrum through kaons in proton-nucleus reactions

Gabor Balassa, Kazuya Aoki, Philipp Gubler +3

Exploring the mass modifications of mesons in nuclei provides insights into the nature of strongly interacting matter. Specifically, meson mass shifts can be related to the…

hep-ph2025★ 2 cited

Decay and lifetime of oscillons coupled to an external scalar field: Insights from instability band analysis

Siyao Li, Masahide Yamaguchi, Ying-li Zhang

Oscillons are long-lived, spherically symmetric solitons that can arise in real scalar field theories with potentials shallower than quadratic ones. They are considered to form via…

hep-ph2025

Gravitational Wave Signals in a Promising Realization of SO(10) Unification

Injun Jeong, Jörn Kersten, Stefano Scopel +1

We investigate gravitational wave signals in a non-supersymmetric grand unified model where the group is broken in two steps to the Standard Model gauge group. We calculat…

hep-ph2025★ 2 cited

Strongly electroweak phase transition with gauged non-zero hypercharge triplet

Shilpa Jangid, Anirban Biswas, Seong Chan Park

This article considers three non-zero hypercharge triplets as an extension of the Standard Model Higgs doublet. Under extra symmetry, the triplets are charged. We…

hep-ph2025

Investigating two-zero texture in the light of gauged Type-II seesaw

Anirban Biswas, Shilpa Jangid, Seong Chan Park

Neutrino oscillation, discovered over two decades ago, confirmed that neutrinos have nonzero masses. Since then, two mass-squared differences have been measured with unprecedented…

hep-ph2025

Complex heavy-quarkonium potential in an anisotropic collisional quark-gluon plasma

Manas Debnath, Lata Thakur, Najmul Haque

We compute the complex heavy-quark potential in an anisotropic quark-gluon plasma (QGP) using kinetic theory with a Bhatnagar-Gross-Krook collision kernel. By incorporating momentu…

hep-ph2025★ 8 cited

Superheavy Supersymmetric Dark Matter for the origin of KM3NeT Ultra-High Energy signal

Yongsoo Jho, Seong Chan Park, Chang Sub Shin

We propose an explanation for the recently reported ultra-high-energy neutrino signal at KM3NeT, which shows no clear association with known astrophysical sources. While decaying d…

hep-ph2025★ 4 cited

Heavy quark suppression and anisotropic flow at intermediate momentum

Juhee Hong

In an intermediate-momentum regime where mass effects are significant, heavy quark suppression and anisotropic flow are computed to investigate the transition between the collision…

hep-ph2024★ 1 cited

Gravitational waves from a first-order phase transition of the inflaton

Jörn Kersten, Seong Chan Park, Yeji Park +2

We explore the production of gravitational waves (GW) resulting from a first-order phase transition (FOPT) in a non-minimally coupled `Dark Higgs Inflation' model. Utilizing a dark…

hep-ph2024★ 1 cited

Wormhole-Induced ALP Dark Matter

Dhong Yeon Cheong, Koichi Hamaguchi, Yoshiki Kanazawa +3

Non-perturbative gravitational effects induce explicit global symmetry breaking terms within axion models. These exponentially suppressed terms in the potential give a mass contrib…

hep-ph2024

Invisible decays of vector Charmonia and Bottomonia to determine the Weak Mixing Angle at quarkonia scale

G. Hernández-Tomé, C. S. Kim, G. López Castro

We compute the branching fractions of vector quarkonia () decays into neutrino pairs, considering both Dirac and Majorana types, within the Standard Model (SM)…

hep-ph2024★ 3 cited

Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation

CMS Collaboration

An analysis is presented based on models of the intrinsic transverse momentum (intrinsic ) of partons in nucleons by studying the dilepton transverse momentum in Drel…

hep-ph2024★ 23 cited

A Quantum Description of Wave Dark Matter

Dhong Yeon Cheong, Nicholas L. Rodd, Lian-Tao Wang

We outline a fundamentally quantum description of bosonic dark matter (DM) from which the conventional classical-wave picture emerges in the limit . As approp…

hep-ph2024★ 16 cited

Searching for signatures of new physics in to distinguish between Dirac and Majorana neutrinos

C. S. Kim, Dibyakrupa Sahoo, K. N. Vishnudath

We conduct a model-independent analysis of the distinct signatures of various generic new physics possibilities in the decay by analyzing the branching…

hep-ph2024★ 3 cited

Gauss-Bonnet Cosmology: large-temperature behaviour and bounds from Gravitational Waves

Anirban Biswas, Arpan Kar, Bum-Hoon Lee +5

We provide a transparent discussion of the high temperature asymptotic behaviour of Cosmology in a dilaton-Einstein-Gauss-Bonnet (dEGB) scenario of modified gravity with vanishing…

hep-ph2024★ 2 cited

Electrical conductivity of QGP with quasiparticle quarks and Gribov gluon

Sadaf Madni, Sumit, Lata Thakur +1

We investigate the electrical conductivity of the quark-gluon plasma (QGP) using a non-perturbative resummation scheme incorporating the Gribov-modified gluon propagator. The elect…

hep-ph2023★ 3 cited

An Unfamiliar Way to Generate the Hierarchy of Standard Model Fermion Masses

S. Baek, J. Kersten, P. Ko +1

While the properties of the observed Higgs boson agree with the Standard Model predictions, the hierarchy of fermion masses lacks an explanation within the model. In this work, we…

hep-ph2023★ 5 cited

Heavy quark diffusion and radiation at intermediate momentum

Juhee Hong

We discuss heavy quark diffusion and radiation in an intermediate-momentum regime where finite mass effects can be significant. Diffusion processes are described in the Fokker-Plan…