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。

Gist.Science 每日从 arXiv 抓取该领域最新预印本，经过专业处理，为每一篇论文提供通俗易懂的解读与详尽的技术摘要。无论您是寻求直观概念的科学爱好者，还是需要深入细节的研究者，都能在此找到所需内容。

以下是该分类下从 arXiv 精选的最新研究成果。

⚛️ high-energy experiments

NO LESS: Novel Opportunities for Light Exotic Searches at the SPS

本文通过对比 CERN NA62 实验在束流收集模式下的现有灵敏度与利用相同探测器在 ECN3 束流收集设施中运行的假设实验，论证了即使对 NA62 进行最简化的重新配置，也能立即开展具有竞争力的轻质量弱相互作用粒子搜索。

Babette Döbrich, Jan Jerhot, Karim Massri, Jonathan L. Schubert, Tommaso Spadaro2026-04-21

⚛️ high-energy experiments

DMRadio-Core: A new approach for GUT-scale axion searches

该论文提出了一种基于窄孔径分段螺线管与外部 LC 谐振器的新型实验几何结构，旨在通过显著降低所需存储磁能，以更具成本效益的方式实现对 GUT 能标下纳电子伏特质量范围轴粒子的探测。

V. Ankel, C. Bartram, J. Begin, C. Bell, S. Chaudhuri, H. -M. Cho, J. Corbin, W. Craddock, S. Cuadra, A. Droster, J. Ech (…)2026-04-21

⚛️ high-energy experiments

Searches for massive, long-lived particles in events with displaced vertices with ATLAS

该论文介绍了 ATLAS 实验在 LHC 上进行的两项针对长寿命粒子产生的位移顶点的搜索：一项利用新型“模糊”重建算法分析 Run 2 中缺失横动量触发事件以限制多种新物理模型，另一项则首次采用位移μ子触发器分析 Run 3 数据以约束 R 宇称破缺超对称模型。

David Rousso (for the ATLAS Collaboration)2026-04-21

⚛️ high-energy experiments

Flavour changing charged current decays at LHCb

本文介绍了 LHCb 实验在 $\Lambda \to p \mu^{-} \bar{\nu}_{\mu}$ 衰变中的分支比测量以及 $B^0 \to D^{*+} \mu^{-} \nu_{\mu}$ 衰变中的形状因子参数研究，旨在利用半轻子 $b$ 强子衰变检验标准模型并搜寻新物理效应。

Biljana Mitreska2026-04-21

⚛️ high-energy experiments

Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector

ATLAS 合作组在 13 TeV 质子 - 质子对撞数据中观测到顶夸克对产生阈值附近的截面显著超出，该结果与近 40 年前提出的顶夸克对准束缚态假说一致。

Janna Katharina Behr2026-04-21

⚛️ phenomenology

Probes for CP Violation in B Decays at the FCC: A Theorist's Perspective

该论文从理论家视角探讨了在超越高亮度 LHC 和 Belle II 时代的未来环形对撞机（FCC）上，利用从非轻子到稀有 B 介子衰变等多种探针研究 CP 破坏的广阔机遇。

Robert Fleischer2026-04-21

⚛️ phenomenology

Shedding New Light on the ${B \to \pi K}$ Puzzle

该论文结合 Belle II 最新测量数据对 $B \to \pi K$ 系统进行了更新分析，为长期存在的 $B \to \pi K$ 谜题提供了新见解，并展望了其在未来高精度味物理时代揭示新 CP 破坏源的潜力。

Eleftheria Malami2026-04-21

⚛️ high-energy experiments

Higgs Physics at a $\sqrt{s} = 10$ TeV Muon Collider

该论文基于 MUSIC 探测器概念和 10 ab⁻¹ 积分亮度，评估了 10 TeV 缪子对撞机在 Higgs 物理领域的潜力，特别是其对 Higgs 三线性自耦合等关键参数的测量精度将超越其他提议的未来对撞机。

Paolo Andreetto, Massimo Casarsa, Alessio Gianelle, Carlo Giraldin, Donatella Lucchesi, Leonardo Palombini, Lorenzo Sest (…)2026-04-21

⚛️ high-energy experiments

Search for the single production of vector-like quarks decaying into a W boson and a b quark using single-lepton final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV

CMS 合作组利用 13 TeV 质子 - 质子对撞数据（138 fb $^{-1}$ ）中的单轻子末态，对衰变为 W 玻色子和 b 夸克的矢量类夸克单产生过程进行了搜索，未发现超出标准模型的显著信号，并设定了目前最严格的耦合常数与质量排除限。

CMS Collaboration2026-04-21

⚛️ high-energy experiments

Measurements of electroweak penguins and $B$ decays to final states with missing energy at Belle and Belle II

本文介绍了 Belle 和 Belle II 实验利用在 $\Upsilon(4S)$ 共振态下收集的 1.3 ab $^{-1}$ $B\bar B$ 碰撞数据，对涉及末态丢失能量的稀有电弱企鹅衰变（特别是 $b\to s \ell^+\ell^-$ 、 $b\to s\tau^+\tau^-$ 及 $b\to s\nu\bar \nu$ 跃迁）进行的测量结果。

Valerio Bertacchi (on behalf of Belle II Collaboration)2026-04-21

hep-ex

NO LESS: Novel Opportunities for Light Exotic Searches at the SPS

DMRadio-Core: A new approach for GUT-scale axion searches

Searches for massive, long-lived particles in events with displaced vertices with ATLAS

Flavour changing charged current decays at LHCb

Observation of a cross-section enhancement near the ttˉt\bar{t}ttˉ production threshold in s=13\sqrt{s}=13s​=13 TeV $pp$ collisions with the ATLAS detector

Probes for CP Violation in B Decays at the FCC: A Theorist's Perspective

Shedding New Light on the B→πK{B \to \pi K}B→πK Puzzle

Higgs Physics at a s=10\sqrt{s} = 10s​=10 TeV Muon Collider

Search for the single production of vector-like quarks decaying into a W boson and a b quark using single-lepton final states in proton-proton collisions at s\sqrt{s}s​ = 13 TeV

Measurements of electroweak penguins and BBB decays to final states with missing energy at Belle and Belle II

Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector

Shedding New Light on the ${B \to \pi K}$ Puzzle

Higgs Physics at a $\sqrt{s} = 10$ TeV Muon Collider

Search for the single production of vector-like quarks decaying into a W boson and a b quark using single-lepton final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Measurements of electroweak penguins and $B$ decays to final states with missing energy at Belle and Belle II