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。

⚛️ phenomenology

$b \to c$ semileptonic sum rule: SU(3) $_{\rm{F}}$ symmetry violation

该论文通过引入包含奇异介子和重子衰变的新项扩展了 $b \to c$ 半轻子求和规则，并量化了SU(3)味对称性破缺的影响，发现其破坏程度小于预期实验误差，从而验证了该求和规则作为检验新物理的可靠工具的有效性。

Syuhei Iguro2026-04-08

⚛️ high-energy experiments

Measurement of charged-particle production in $\sqrt{s_\text{NN}}=9.62$ TeV proton-oxygen collisions as a probe of cosmic-ray air showers with the ATLAS detector

ATLAS 合作组利用 9.62 TeV 质子 - 氧碰撞数据，以前所未有的精度测量了带电粒子产生截面及分布，从而显著改进了对宇宙射线空气簇射的建模。

ATLAS Collaboration2026-04-08

⚛️ high-energy experiments

Measurement of the CKM angle $\gamma$ in $B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}$ decays with a novel approach

该研究利用 BESIII 和 LHCb 实验的联合数据，通过一种新颖的模型无关方法，对 $B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}$ 衰变进行了分析，以 $(71.3\pm 5.0)^{\circ}$ 的精度测得了 CKM 角 $\gamma$ ，这是目前最精确的单项测量结果。

The BESIII, LHCb Collaborations, :, M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai, C. S. Akondi, R. Aliberti, A. Amo (…)2026-04-08

⚛️ high-energy experiments

Precise measurement of the CKM angle $\gamma$ with a novel approach

BESIII 和 LHCb 实验通过联合分析量子关联 $D\overline{D}$ 系统的强相位参数与 $B^\pm$ 衰变数据，采用新颖的无分箱模型无关方法，以前所未有的精度测得 CKM 角 $\gamma = (71.3 \pm 5.0)^\circ$ 。

The BESIII, LHCb Collaborations, :, M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai, C. S. Akondi, R. Aliberti, A. Amo (…)2026-04-08

⚛️ high-energy experiments

Reactor Antineutrino Oscillations and Geoneutrinos in SNO+

SNO+ 实验利用 685 天的反应堆反中微子数据精确测定了中微子振荡参数 $\Delta m^2_{21}$ ，并首次在西半球实现了地质中微子通量的测量。

William Parker2026-04-08

⚛️ nuclear experiments

Observation of nuclear suppression in coherent $\Upsilon$ (1S) photoproduction off heavy nuclei at the LHC

CMS 实验利用 5.02 TeV 的铅 - 铅超周边碰撞，首次测量了相干 $\Upsilon$ (1S) 介子光致产生过程，观测到显著的核抑制效应，并测得在标度 $\mu^2$ = 22.4 GeV $^2$ 下铅核的胶子抑制因子为 0.55。

CMS Collaboration2026-04-08

⚛️ high-energy experiments

A Data-Driven Fast Simulation Approach for MAPS-based Detectors and their Optimization

本文介绍了一种基于实测数据、无需依赖专有工艺信息的快速像素传感器参数化模拟工具，并通过 MALTA2 传感器的测量与验证，研究了其外围电路（主要是击中合并器）的修改方案，旨在为下一代 MALTA3 传感器的性能优化提供指导。

Dumitru Vlad Berlea, Lucian Fasselt, Prafulla Behera, Daniela Bortoletto, Craig Buttar, Theertha Chembakan, Valerio Dao (…)2026-04-08

⚛️ high-energy experiments

Developing Pre-Supernova Neutrino Support for sntools

本文介绍了为超新星爆发中微子事件生成器 sntools 添加前超新星中微子支持的工作，详细阐述了代码的适配与改进、时间分箱优化策略及验证进展，旨在为当前及下一代探测器（特别是 Hyper-Kamiokande 合作组）提供统一框架以研究前超新星中微子并实现超新星爆发的早期预警。

Ellie O'Brien, Susan Cartwright, Patrick Stowell2026-04-08

⚛️ high-energy experiments

Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV

该论文利用 LHC 在 13 TeV 质心能量下收集的 138 fb⁻¹质子 - 质子碰撞数据，首次搜索了伴随 W 或 Z 玻色子产生的软未聚类能量模式（SUEP）的希格斯玻色子，结果显示未发现超出标准模型背景的显著 excess，并据此设定了相关产生截面的上限。

CMS Collaboration2026-04-08

⚛️ high-energy experiments

Probing the Solar $^8$ B Neutrino Fog with XENONnT

XENONnT 实验利用 6.77 吨·年的曝光数据，以 3.3σ的显著性首次探测到太阳 $^8$ B 中微子引起的相干弹性中微子 - 原子核散射，在排除轻暗物质信号的同时，进一步限制了超出标准模型的新物理并测量了弱混合角。

E. Aprile, J. Aalbers, K. Abe, M. M. Abu Rmeileh, M. Adrover, S. Ahmed Maouloud, L. Althueser, B. Andrieu, E. Angelino (…)2026-04-08

hep-ex

b→cb \to cb→c semileptonic sum rule: SU(3)F_{\rm{F}}F​ symmetry violation

Measurement of charged-particle production in sNN=9.62\sqrt{s_\text{NN}}=9.62sNN​​=9.62 TeV proton-oxygen collisions as a probe of cosmic-ray air showers with the ATLAS detector

Measurement of the CKM angle γ\gammaγ in B±→D(→KS0h′+h′−)h±B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}B±→D(→KS0​h′+h′−)h± decays with a novel approach

Precise measurement of the CKM angle γ\gammaγ with a novel approach

Reactor Antineutrino Oscillations and Geoneutrinos in SNO+

Observation of nuclear suppression in coherent Υ\UpsilonΥ(1S) photoproduction off heavy nuclei at the LHC

A Data-Driven Fast Simulation Approach for MAPS-based Detectors and their Optimization

Developing Pre-Supernova Neutrino Support for sntools

Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at s\sqrt{s}s​ = 13 TeV

Probing the Solar 8^88B Neutrino Fog with XENONnT

$b \to c$ semileptonic sum rule: SU(3) $_{\rm{F}}$ symmetry violation

Measurement of charged-particle production in $\sqrt{s_\text{NN}}=9.62$ TeV proton-oxygen collisions as a probe of cosmic-ray air showers with the ATLAS detector

Measurement of the CKM angle $\gamma$ in $B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}$ decays with a novel approach

Precise measurement of the CKM angle $\gamma$ with a novel approach

Observation of nuclear suppression in coherent $\Upsilon$ (1S) photoproduction off heavy nuclei at the LHC

Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Probing the Solar $^8$ B Neutrino Fog with XENONnT