Nagoya University

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651 papers · 1 filter

hep-ph2026

Three-Body Holonomy as a Toy-Model Mechanism for Family Triplication and Mass Hierarchy in (1+1) Dimensions

Tadashi YOSHIKAWA

We investigate the phenomenological consequences of a genuine three-body holonomy in a relativistic Dirac system in one spatial dimension. After removing the center-of-mass coordin…

hep-ph2026

P-wave $c c ˉ$ meson contributions in exotic hadrons

Kotaro Miyake, Yasuhiro Yamaguchi

The nature of the $X (3872)$ and other exotic hadrons has been a subject of extensive investigation. While various theoretical models have been proposed, experimental evidence sugge…

hep-ph2026

$D D ˉ^{*}$ - $π J / ψ$ scatterings of coupled channels for $Z_{c} (3900)$ channel

Yukihiro Abe, Yasuhiro Yamaguchi, Atsushi Hosaka

We perform coupled channel analysis for $D D ˉ^{*}$ , $J / ψ π$ and related meson pairs for the $Z_{c} (3900)$ channel in an effective model of hadrons and quarks. The model incorporates…

hep-ph2026

Baryogenesis in $S U (2)_{L}$ multiplet models

Kiyoto Ogawa, Masanori Tanaka

We investigate baryogenesis in Standard Model (SM) extensions with new $S U (2)_{L}$ multiplet fields. We focus on sphalerogenesis, in which the baryon asymmetry of the Universe (BAU)…

hep-ph2026

Possible $D ˉ^{()} Ξ_{cc}^{()}$ and $Ξ_{cc}^{()} Ξ_{cc}^{()}$ molecules as superflavor partners of $T_{cc}$

Manato Sakai, Yasuhiro Yamaguchi

The doubly charmed tetraquark $T_{cc}$ has been reported by the LHCb experiment in 2022, and a lot of theoretical studies has been conducted. The small binding energy measured from…

hep-ph2026

Inverse Excitation Hierarchy in Doubly-Heavy Tetraquarks within the Diquark Model

Maximilian Weber, Daiki Suenaga, Masayasu Harada

We investigate the $T_{cc}$ tetraquark, treating it as a bound state of a heavy diquark and a light antidiquark. Using the Silvestre-Brac potential and solving the Schrödinger equa…

hep-ph2026★ 1 cited

Full Three-Loop Electroweak Multiplet Contributions to the Electron Electric Dipole Moment

Tatsuya Banno, Junji Hisano, Teppei Kitahara +2

Experimental sensitivity to the electric dipole moment (EDM) of the electron has improved remarkably in recent years. Consequently, future prospects could probe new physics whose c…

hep-ph2026

Feasibility Study of Lepton Number Violation in Rare $B$ and $K$ Meson Decays

Motoi Endo, Kåre Fridell, Sho Iwamoto +2

We study lepton-number-violating interactions at dimension seven in the Standard Model effective field theory that contribute to the meson decays $B \to K ν ν$ and $K \to π ν ν$ . Such…

hep-ph2025

Complete one-loop QED corrections to $D_{s}^{+}$ leptonic decays and impact on the CKM unitarity test

Teppei Kitahara, Jun Miyamoto, Kota Sasaki

Recently, a violation of the CKM unitarity condition has been reported in the latest charm-meson data and the latest lattice results, once the universal electroweak correction is t…

hep-ph2025

Thermal quarks and Polyakov loops in two-color dense QCD

Yugo Kurebayashi, Toru Kojo, Daiki Suenaga

We study confinement and deconfinement in dense two color QCD by analyzing the dynamics of thermal quarks and gluons. The Polyakov loop is used as a probe of the relevant thermal e…

hep-ph2025★ 1 cited

OmniLearned: A Foundation Model Framework for All Tasks Involving Jet Physics

Wahid Bhimji, Chris Harris, Vinicius Mikuni +1

Foundation models use large datasets to build an effective representation of data that can be deployed on diverse downstream tasks. Previous research developed the OmniLearn founda…

hep-ph2025★ 1 cited

Roles of $U (1)$ axial anomaly effects in cold and dense two-color QCD with $2 + 2$ flavors

Manato Sakai, Daiki Suenaga

We explore phase structures and hadron mass spectra in cold and dense two-color QCD with $2 + 2$ flavors where the sign problem disappears. We particularly focus on $U (1)$ axial anom…

hep-ph2025

Chasing the two-Higgs-doublet model via electroweak corrections at $e^{+} e^{-}$ colliders

Pia Bredt, Tatsuya Banno, Marius Höfer +5

We present a comprehensive study of Higgs boson production associated with a neutrino pair at $e^{+} e^{-}$ colliders ( $e^{+} e^{-} \to h ν ν ˉ$ ) at next-to-leading-order accuracy in bo…

hep-ph2025★ 2 cited

A Practical Guide to Unbinned Unfolding

Florencia Canelli, Kyle Cormier, Andrew Cudd +12

Unfolding, in the context of high-energy particle physics, refers to the process of removing detector distortions in experimental data. The resulting unfolded measurements are stra…

hep-ph2025★ 4 cited

Scale-anomaly-induced binding pressure in hadrons

Daisuke Fujii, Mitsuru Tanaka

The effect of the QCD scale anomaly on the internal pressure distribution of hadrons is studied based on the trace-traceless decomposition of the energy-momentum tensor. Using rece…

hep-ph2025★ 8 cited

Gravitational form factors of the nucleon in the Skyrme model based on scale-invariant chiral perturbation theory

Mitsuru Tanaka, Daisuke Fujii, Mamiya Kawaguchi

We investigate the role of the QCD scale anomaly in the gravitational form factors of the nucleon -- particularly the $D (t)$ form factor -- as well as the associated stress distrib…

hep-ph2025★ 3 cited

Scalar-glueball-mediated scale-anomaly dominance of the confining pressure of the pion in holographic QCD

Daisuke Fujii, Akihiro Iwanaka, Mitsuru Tanaka

In this work, we analyze the energy density and the stress distribution inside the pion derived from gravitational form factors in top-down holographic QCD. In particular, we show…

hep-ph2025★ 1 cited

CP violation in $K \to μ^{+} μ^{-}$ with and without time dependence through a tagged analysis

Giancarlo D'Ambrosio, Avital Dery, Yuval Grossman +4

We point out that using current knowledge of $B (K_{L}^{0} \to μ^{+} μ^{-})$ and $B (K_{L}^{0} \to γ γ)$ , one can extract short-distance information from the combined measurement of th…

hep-ph2025★ 2 cited

Recasting Experimental Constraints on Relativistic Magnetic Monopoles

Daniele Perri, Michele Doro, Takeshi Kobayashi

Magnetic monopoles with masses up to $1 0^{14}$ GeV can be accelerated to relativistic velocities in Galactic and intergalactic magnetic fields. The cosmic flux of relativistic mono…

hep-ph2025★ 2 cited

Enhancement of axial anomaly effects in hot two-color QCD: FRG approach in the linear sigma model

Gergely Fejős, Daiki Suenaga

We investigate the thermal properties of hadrons in two-color quantum chromodynamics (QC $_{2}$ D) using the functional renormalization group (FRG) method, with particular focus on mod…

hep-ph2025

Dense matter in a holographic hard-wall model of QCD

Daisuke Fujii, Atsushi Hosaka, Akihiro Iwanaka +2

A deeper understanding of QCD matter at strong coupling remains challenging due to its non-perturbative nature. To this end, we study a two-flavor holographic hard-wall model to in…

hep-ph2025★ 3 cited

Hidden-Charm Tetraquarks in a Mixture Model: Coupled-Channel Analysis with $c c ˉ$ and Hadronic Molecular Components

Kotaro Miyake, Yasuhiro Yamaguchi

The nature of the $X (3872)$ and other exotic hadrons has been a subject of extensive investigation since the first observation of the $X (3872)$ in 2003. While various theoretical m…

hep-ph2025★ 3 cited

Discriminating Tauphilic Leptoquark Explanations of the $B$ Anomalies via $K \to π ν ν ˉ$ and $B \to K ν ν ˉ$

Andreas Crivellin, Syuhei Iguro, Teppei Kitahara

Leptoquark models are prime candidates for new physics (NP) explanations of the long-standing anomalies in semi-leptonic $B$ decays; $b \to c τ ν ˉ$ (encoded in $R (D^{(*)})$ ) an…

hep-ph2025

Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment

ESSnuSB, :, J. Aguilar +97

Neutrino oscillations constitute an excellent tool to probe physics beyond the Standard Model. In this paper, we investigate the potential of the ESSnuSB experiment to constrain th…

Three-Body Holonomy as a Toy-Model Mechanism for Family Triplication and Mass Hierarchy in (1+1) Dimensions

P-wave ccˉ meson contributions in exotic hadrons

DDˉ∗-πJ/ψ scatterings of coupled channels for Zc​(3900) channel

Baryogenesis in SU(2)L​ multiplet models

Possible Dˉ(∗)Ξcc(∗)​ and Ξcc(∗)​Ξcc(∗)​ molecules as superflavor partners of Tcc​

Inverse Excitation Hierarchy in Doubly-Heavy Tetraquarks within the Diquark Model

Full Three-Loop Electroweak Multiplet Contributions to the Electron Electric Dipole Moment

Feasibility Study of Lepton Number Violation in Rare B and K Meson Decays

Complete one-loop QED corrections to Ds+​ leptonic decays and impact on the CKM unitarity test

Thermal quarks and Polyakov loops in two-color dense QCD

OmniLearned: A Foundation Model Framework for All Tasks Involving Jet Physics

Roles of U(1) axial anomaly effects in cold and dense two-color QCD with 2+2 flavors

Chasing the two-Higgs-doublet model via electroweak corrections at e+e− colliders

A Practical Guide to Unbinned Unfolding

Scale-anomaly-induced binding pressure in hadrons

Gravitational form factors of the nucleon in the Skyrme model based on scale-invariant chiral perturbation theory

Scalar-glueball-mediated scale-anomaly dominance of the confining pressure of the pion in holographic QCD

CP violation in K→μ+μ− with and without time dependence through a tagged analysis

Recasting Experimental Constraints on Relativistic Magnetic Monopoles

Enhancement of axial anomaly effects in hot two-color QCD: FRG approach in the linear sigma model

Dense matter in a holographic hard-wall model of QCD

Hidden-Charm Tetraquarks in a Mixture Model: Coupled-Channel Analysis with ccˉ and Hadronic Molecular Components

Discriminating Tauphilic Leptoquark Explanations of the B Anomalies via K→πννˉ and B→Kννˉ

Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment

P-wave $c c ˉ$ meson contributions in exotic hadrons

$D D ˉ^{*}$ - $π J / ψ$ scatterings of coupled channels for $Z_{c} (3900)$ channel

Baryogenesis in $S U (2)_{L}$ multiplet models

Possible $D ˉ^{()} Ξ_{cc}^{()}$ and $Ξ_{cc}^{()} Ξ_{cc}^{()}$ molecules as superflavor partners of $T_{cc}$

Feasibility Study of Lepton Number Violation in Rare $B$ and $K$ Meson Decays

Complete one-loop QED corrections to $D_{s}^{+}$ leptonic decays and impact on the CKM unitarity test

Roles of $U (1)$ axial anomaly effects in cold and dense two-color QCD with $2 + 2$ flavors

Chasing the two-Higgs-doublet model via electroweak corrections at $e^{+} e^{-}$ colliders

CP violation in $K \to μ^{+} μ^{-}$ with and without time dependence through a tagged analysis

Hidden-Charm Tetraquarks in a Mixture Model: Coupled-Channel Analysis with $c c ˉ$ and Hadronic Molecular Components

Discriminating Tauphilic Leptoquark Explanations of the $B$ Anomalies via $K \to π ν ν ˉ$ and $B \to K ν ν ˉ$