hep-ex 篇论文 | Gist.Science

肝外系统（Hep-Ex）研究聚焦于肝脏之外那些与肝脏功能紧密相连的复杂网络，涵盖从代谢调节到免疫反应的广泛领域。这里探讨的不仅是器官间的相互作用，更是理解全身健康如何受肝脏状态深远影响的关键窗口。

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以下是该分类下从 arXiv 精选的最新研究成果。

⚛️ quantum physics

Characterization and upgrade of a quantum graph neural network for charged particle tracking

该论文针对高亮度 LHC 升级后带电粒子径迹重建的复杂性，提出并优化了一种混合量子图神经网络架构，通过结合经典前馈网络与参数化量子电路，显著提升了模型在模拟数据集上的训练收敛性能。

Matteo Argenton, Laura Cappelli, Concezio Bozzi2026-03-10

🔬 atomic physics

Multimessenger Astronomy Beyond the Standard Model: New Window from Quantum Sensors

该论文提出利用量子传感器探测与引力波、光子或中微子信号相关的超轻玻色子场爆发，从而在考虑物质屏蔽效应的情况下，为超越标准模型的多信使天文学开辟新途径。

Jason Arakawa, Muhammad H. Zaheer, Volodymyr Takhistov, Marianna S. Safronova, Joshua Eby, Charles Cheung2026-03-09

⚛️ high-energy experiments

Scalable Multi-Task Learning for Particle Collision Event Reconstruction with Heterogeneous Graph Neural Networks

本文提出了一种基于异构图神经网络的多任务学习框架，通过集成图剪枝层和加权消息传递机制，在模拟 LHCb 实验环境中显著提升了高亮度对撞机下 beauty 强子的重建性能，同时实现了粒子顶点关联与图剪枝的协同优化及推理效率的扩展。

William Sutcliffe, Marta Calvi, Simone Capelli, Jonas Eschle, Julián García Pardiñas, Abhijit Mathad, Azusa Uzuki, Nicol (…)2026-03-09

⚛️ phenomenology

System size and event shape dependence of particle-identified balance functions in proton-proton collisions at $\sqrt{s} = 13$ TeV using PYTHIA 8 and EPOS models

该研究利用 PYTHIA8 和 EPOS-LHC 模型，通过多维度的粒子识别平衡函数分析，揭示了 13 TeV 质子 - 质子碰撞中事件形状和系统大小对电荷关联的显著影响，表明高多重数各向同性事件中观测到的集体动力学特征与喷注主导的各向异性事件存在本质区别。

Subash Chandra Behera, Arvind Khuntia2026-03-09

⚛️ high-energy experiments

A model-independent measurement of the CKM angle $\gamma$ in the decays $B^\pm\to[K^+K^-\pi^+\pi^-]_D h^\pm$ and $B^\pm\to[\pi^+\pi^-\pi^+\pi^-]_D h^\pm$ ( $h = K, \pi$ )

LHCb 实验利用 9 fb⁻¹ 的质子 - 质子碰撞数据，首次对 $B^\pm\to[K^+K^-\pi^+\pi^-]_D h^\pm$ 和 $B^\pm\to[\pi^+\pi^-\pi^+\pi^-]_D h^\pm$ 衰变进行了基于相空间分区的模型无关分析，并结合现有积分测量结果，以 $(52.6_{-6.4}^{+8.5})^\circ$ 的精度测定了 CKM 角 $\gamma$ 。

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta, F. Abudinén, T. Ackernley, A. A. Adefisoye, B. A (…)2026-03-09

🔬 physics

First results of a Monolithic Active Pixel Sensor with Internal Signal Gain Fully Integrated in a 180 nm CMOS Technology

本文介绍了在 180 纳米 CMOS 工艺中完全集成的 CASSIA 单片有源像素传感器的初步成果，该传感器通过内部电荷倍增技术实现了信号放大，并展示了其在低电压下作为低增益雪崩二极管（LGAD）模式以及在较高电压下作为单光子雪崩二极管（SPAD）模式运行的能力，为未来高能物理实验中的高精度四维追踪应用提供了新的解决方案。

Heinz Pernegger (CERN, Experimental Physics Department, Geneva, Switzerland), Emma Kate Anderson (CERN, Experimental Phy (…)2026-03-09

⚛️ quantum physics

Optimization-based Unfolding in High-Energy Physics

该论文提出了名为 QUnfold 的开源框架，通过将高能物理中的反卷积问题重构为二次无约束二进制优化（QUBO）模型，实现了利用经典及混合量子求解器进行高效、正则化的分布重建，并在基准测试中展现出与主流方法相当的精度。

Simone Gasperini, Gianluca Bianco, Marco Lorusso, Carla Rieger, Michele Grossi2026-03-09

⚛️ high-energy experiments

Multi-channel joint analysis of the exotic charmonium-like state $T_{c\bar{c}}(4020)$

BESIII 合作组利用 $e^+e^-$ 湮灭数据，首次通过多道联合分析确定了奇异粲偶素态 $T_{c\bar{c}}(4020)$ 的自旋宇称为 $1^+$ ，并提取了其极点位置及相对分支比。

BESIII Collaboration, M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai, R. Aliberti, A. Amoroso, Q. An, Y. Bai, O. Bakin (…)2026-03-09

⚛️ phenomenology

Agentic AI -- Physicist Collaboration in Experimental Particle Physics: A Proof-of-Concept Measurement with LEP Open Data

该论文展示了在专家物理学家指导下，由 AI 智能体独立完成对 LEP 开放数据中 $e^{+}e^{-}$ 碰撞推力分布的测量、修正及论文撰写，验证了 AI 在加速基础物理发现循环中的潜力。

Anthony Badea, Yi Chen, Yen-Jie Lee2026-03-09

⚛️ phenomenology

A Lattice QCD study of $p-\Lambda$ scattering in continuum and chiral limits

该研究利用格点QCD在连续极限和手征极限下首次系统计算了质子-Λ散射参数，结果表明两者间存在吸引相互作用，且其散射长度、有效范围及截面与实验测量值吻合良好，为核力理论统一和中子星状态方程构建提供了关键输入。

Hang Liu, Liuming Liu, Jin-Xin Tan, Wei Wang, Haobo Yan, Qian-Teng Zhu2026-03-09

hep-ex

Characterization and upgrade of a quantum graph neural network for charged particle tracking

Multimessenger Astronomy Beyond the Standard Model: New Window from Quantum Sensors

Scalable Multi-Task Learning for Particle Collision Event Reconstruction with Heterogeneous Graph Neural Networks

System size and event shape dependence of particle-identified balance functions in proton-proton collisions at s=13\sqrt{s} = 13s​=13 TeV using PYTHIA 8 and EPOS models

A model-independent measurement of the CKM angle γ\gammaγ in the decays B±→[K+K−π+π−]Dh±B^\pm\to[K^+K^-\pi^+\pi^-]_D h^\pmB±→[K+K−π+π−]D​h± and B±→[π+π−π+π−]Dh±B^\pm\to[\pi^+\pi^-\pi^+\pi^-]_D h^\pmB±→[π+π−π+π−]D​h± (h=K,πh = K, \pih=K,π)

First results of a Monolithic Active Pixel Sensor with Internal Signal Gain Fully Integrated in a 180 nm CMOS Technology

Optimization-based Unfolding in High-Energy Physics

Multi-channel joint analysis of the exotic charmonium-like state Tccˉ(4020)T_{c\bar{c}}(4020)Tccˉ​(4020)

Agentic AI -- Physicist Collaboration in Experimental Particle Physics: A Proof-of-Concept Measurement with LEP Open Data

A Lattice QCD study of p−Λp-\Lambdap−Λ scattering in continuum and chiral limits

System size and event shape dependence of particle-identified balance functions in proton-proton collisions at $\sqrt{s} = 13$ TeV using PYTHIA 8 and EPOS models

A model-independent measurement of the CKM angle $\gamma$ in the decays $B^\pm\to[K^+K^-\pi^+\pi^-]_D h^\pm$ and $B^\pm\to[\pi^+\pi^-\pi^+\pi^-]_D h^\pm$ ( $h = K, \pi$ )

Multi-channel joint analysis of the exotic charmonium-like state $T_{c\bar{c}}(4020)$

A Lattice QCD study of $p-\Lambda$ scattering in continuum and chiral limits