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Research Paper #Hadron Physics, QCD Sum Rules, Baryoniums, Baryons 🔬 ResearchAnalyzed: Jan 3, 2026 08:47

QCD Sum Rules for Baryons and Baryoniums

Published:Dec 31, 2025 08:22

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1 min read

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ArXiv

Analysis

This paper reviews the application of QCD sum rules to study baryoniums (hexaquark candidates) and their constituents, baryons. It's relevant because of recent experimental progress in finding near-threshold $p\bar{p}$ bound states and the ongoing search for exotic hadrons. The paper provides a comprehensive review of the method and compares theoretical predictions with experimental data.

Key Takeaways

•Reviews the use of QCD sum rules in studying baryoniums and baryons.
•Highlights the relevance due to recent experimental findings of $p\bar{p}$ bound states.
•Provides a comprehensive overview of the method and its application.
•Compares theoretical predictions with experimental data.

Reference

“The paper focuses on the application of QCD sum rules to baryoniums, which are considered promising hexaquark candidates, and compares theoretical predictions with experimental data.”

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Research #physics 🔬 ResearchAnalyzed: Jan 4, 2026 09:44

Origin of hadron mass from gravitational D-form factor and neutron star measurements

Published:Dec 30, 2025 01:42

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1 min read

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ArXiv

Analysis

This article likely discusses the theoretical and experimental investigation of hadron mass, focusing on the role of the gravitational D-form factor and its connection to neutron star observations. The research likely explores how the distribution of energy-momentum within hadrons contributes to their mass and how this can be probed through gravitational interactions and astrophysical measurements.

Key Takeaways

Reference

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Research Paper #Heavy-Ion Physics, Jet Quenching, Parton Energy Loss 🔬 ResearchAnalyzed: Jan 3, 2026 17:01

Hadronic Matter's Impact on Jet Energy Loss

Published:Dec 29, 2025 18:51

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1 min read

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ArXiv

Analysis

This paper investigates how the properties of hadronic matter influence the energy loss of energetic partons (quarks and gluons) as they traverse the hot, dense medium created in heavy-ion collisions. The authors introduce a modification to the dispersion relations of partons, effectively accounting for the interactions with the medium's constituents. This allows them to model jet modification, including the nuclear modification factor and elliptic flow, across different collision energies and centralities, extending the applicability of jet energy loss calculations into the hadronic phase.

Key Takeaways

•Introduces a modified dispersion relation to model parton energy loss in the hadronic phase.
•The modification is a simple multiplicative correction to the dispersion relation.
•The model is used to describe the nuclear modification factor and elliptic flow of jets and leading hadrons.
•The model is tested across multiple centralities and collision energies.

Reference

“The paper introduces a multiplicative $(1 + a/T)$ correction to the dispersion relation of quarks and gluons.”

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Physics #Hadron Physics, QCD 🔬 ResearchAnalyzed: Jan 3, 2026 16:16

Molecular States of $J/ψB_{c}^{+}$ and $η_{c}B_{c}^{\ast +}$ Analyzed

Published:Dec 28, 2025 18:14

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1 min read

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ArXiv

Analysis

This paper investigates the properties of hadronic molecules composed of heavy quarks using the QCD sum rule method. The study focuses on the $J/ψB_{c}^{+}$ and $η_{c}B_{c}^{\ast +}$ states, predicting their mass, decay modes, and widths. The results are relevant for experimental searches for these exotic hadrons and provide insights into strong interaction dynamics.

Key Takeaways

•The paper uses the QCD sum rule method to study hadronic molecules.
•It focuses on the $J/ψB_{c}^{+}$ and $η_{c}B_{c}^{\ast +}$ states.
•The study predicts the mass and decay width of the molecules.
•The results are relevant for experimental searches for exotic hadrons.

Reference

“The paper predicts a mass of $m=(9740 \pm 70)~\mathrm{MeV}$ and a width of $Γ[ \mathfrak{M}]=(121 \pm 17)~ \mathrm{MeV}$ for the hadronic axial-vector molecule $\mathfrak{M}$.”

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Research #Particle Physics 🔬 ResearchAnalyzed: Jan 10, 2026 07:12

Advanced QCD Calculations for Charm Tetraquark Electromagnetic Processes

Published:Dec 26, 2025 15:53

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1 min read

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ArXiv

Analysis

This research delves into the theoretical complexities of fully charm tetraquarks, employing next-to-leading order QCD corrections. The study likely aims to refine predictions for the production and decay of these exotic hadrons, contributing to a deeper understanding of the strong force.

Key Takeaways

•Focuses on theoretical calculations within the realm of particle physics.
•Employs advanced QCD techniques to refine predictions.
•Targets the electromagnetic interactions of tetraquarks composed solely of charm quarks.

Reference

“The article's source is ArXiv, indicating a pre-print research publication.”

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Research #Physics 🔬 ResearchAnalyzed: Jan 10, 2026 07:13

Theoretical Analysis of Baryon-Antibaryon Bound States

Published:Dec 26, 2025 12:46

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1 min read

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ArXiv

Analysis

This research explores the theoretical properties of exotic hadrons, specifically focusing on bound states involving heavy quarks. The study contributes to the fundamental understanding of strong interaction physics and potential discoveries in future experiments.

Key Takeaways

•Focuses on theoretical predictions rather than experimental results.
•Explores a specific class of exotic hadrons: baryon-antibaryon bound states.
•Utilizes ArXiv as its source which means it is in the process of peer review.

Reference

“The article's context is the mass spectra of $Λ_QarΣ_Q$ bound states.”

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Research Paper #Particle Physics, Machine Learning 🔬 ResearchAnalyzed: Jan 4, 2026 00:08

Deep Learning for Parton Distribution Extraction

Published:Dec 25, 2025 18:47

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1 min read

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ArXiv

Analysis

This paper introduces a novel machine-learning method using neural networks to extract Generalized Parton Distributions (GPDs) from experimental data. The method addresses the challenging inverse problem of relating Compton Form Factors (CFFs) to GPDs, incorporating physical constraints like the QCD kernel and endpoint suppression. The approach allows for a probabilistic extraction of GPDs, providing a more complete understanding of hadronic structure. This is significant because it offers a model-independent and scalable strategy for analyzing experimental data from Deeply Virtual Compton Scattering (DVCS) and related processes, potentially leading to a better understanding of the internal structure of hadrons.

Key Takeaways

•Presents a machine-learning method for extracting GPDs from experimental data.
•Uses a neural network with a physics-preserving layer for the QCD kernel.
•Provides a probabilistic extraction of GPDs.
•Offers a model-independent and scalable strategy for analyzing DVCS data.

Reference

“The method constructs a differentiable representation of the Quantum Chromodynamics (QCD) PV kernel and embeds it as a fixed, physics-preserving layer inside a neural network.”

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Research Paper #Lattice QCD, Multiquark Systems, Color Correlations 🔬 ResearchAnalyzed: Jan 4, 2026 00:19

Color Correlations in Multiquark Systems Studied with Lattice QCD

Published:Dec 25, 2025 13:19

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1 min read

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ArXiv

Analysis

This paper investigates the color correlations between static quarks in multiquark systems (3Q and 4Q) using lattice QCD. Understanding these correlations is crucial for understanding the strong force and the behavior of hadrons. The study's focus on the dependence of color correlations on the spatial configuration of quarks, particularly the flux tube path length, provides valuable insights into the dynamics of these systems. The finding of "universality" in the color leak across different multiquark systems is particularly significant.

Key Takeaways

•Investigates color correlations in multiquark systems using lattice QCD.
•Color correlations depend on the flux tube path length.
•Color correlations quench due to color leak.
•Finds "universality" in color leak behavior across different multiquark systems.

Reference

“The color correlations depend on the minimal path length along a flux tube which connects two quarks under consideration. The color correlation between quarks quenches because of color leak into the gluon field (flux tube) and finally approaches the random color configuration in the large distance limit. We find a ``universality'' in the flux-tube path length dependence of the color leak for 2Q, 3Q, and 4Q ground-state systems.”

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Research #Physics 🔬 ResearchAnalyzed: Jan 10, 2026 08:44

Analyzing the Potential of China's Electron-Ion Collider for Deeply Virtual Compton Scattering

Published:Dec 22, 2025 08:44

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1 min read

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ArXiv

Analysis

This article from ArXiv analyzes the impact of the upcoming Electron-Ion Collider in China on the study of Deeply Virtual Compton Scattering (DVCS). The research likely explores the collider's capabilities to probe the internal structure of protons and neutrons, furthering our understanding of nuclear physics.

Key Takeaways

•The article assesses the potential of the Electron-Ion Collider in China.
•It focuses on its impact on Deeply Virtual Compton Scattering (DVCS) research.
•The findings will likely contribute to the understanding of the internal structure of hadrons.

Reference

“The research focuses on the implications of the Electron-Ion Collider in China for the study of Deeply Virtual Compton Scattering.”

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Research #Physics 🔬 ResearchAnalyzed: Jan 4, 2026 08:45

Unified study of $B_s^0 o X(3872) π^+π^- (K^+ K^-)$ and $B_s^0 o ψ(2S) π^+π^- (K^+ K^-)$ processes

Published:Dec 19, 2025 16:28

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1 min read

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ArXiv

Analysis

This article describes a research study focusing on specific decay processes of B mesons. The study likely aims to understand the properties of exotic hadrons like X(3872) and the behavior of these decays. The use of the ArXiv source indicates this is a pre-print or research paper.

Key Takeaways

•Focuses on specific decay processes of B mesons.
•Likely investigates properties of exotic hadrons like X(3872).
•Based on a research paper or pre-print.

Reference

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Research #Particle Physics 🔬 ResearchAnalyzed: Jan 10, 2026 09:41

COMPASS Collaboration Publishes Data on Hadron Multiplicities

Published:Dec 19, 2025 09:15

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1 min read

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ArXiv

Analysis

This article reports on the measurement of charged hadron multiplicities, a crucial area of research in high-energy physics. The findings are significant for understanding the strong force and the internal structure of hadrons.

Key Takeaways

•The research focuses on the measurement of charged pion, kaon, and unidentified charged hadron multiplicities.
•Data originates from measurements on an isoscalar target.
•Results contribute to understanding hadron structure and the strong force.

Reference

“The article is an addendum to existing measurements by the COMPASS Collaboration.”

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QCD Sum Rules for Baryons and Baryoniums

Analysis

Key Takeaways

Origin of hadron mass from gravitational D-form factor and neutron star measurements

Analysis

Key Takeaways

Hadronic Matter's Impact on Jet Energy Loss

Analysis

Key Takeaways

Molecular States of $J/ψB_{c}^{+}$ and $η_{c}B_{c}^{\ast +}$ Analyzed

Analysis

Key Takeaways

Advanced QCD Calculations for Charm Tetraquark Electromagnetic Processes

Analysis

Key Takeaways

Theoretical Analysis of Baryon-Antibaryon Bound States

Analysis

Key Takeaways

Deep Learning for Parton Distribution Extraction

Analysis

Key Takeaways

Color Correlations in Multiquark Systems Studied with Lattice QCD

Analysis

Key Takeaways

Analyzing the Potential of China's Electron-Ion Collider for Deeply Virtual Compton Scattering

Analysis

Key Takeaways

Unified study of $B_s^0 o X(3872) π^+π^- (K^+ K^-)$ and $B_s^0 o ψ(2S) π^+π^- (K^+ K^-)$ processes

Analysis

Key Takeaways

COMPASS Collaboration Publishes Data on Hadron Multiplicities

Analysis

Key Takeaways

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