nucl-ex 篇论文 | Gist.Science

核外物理（Nucl-Ex）专注于探索原子核在极端条件下的行为，从高能粒子碰撞到恒星内部的核反应，这一领域帮助我们理解物质的基本构成与宇宙的演化历程。Gist.Science 致力于让前沿科学更触手可及，因此我们直接从 arXiv 收录该领域的最新预印本。

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Dynamical Causal Horizons and the Quarkonium Flow Paradox

该论文提出了一种基于早期强子化阶段极端时空几何与动力学因果视界的几何解释，认为底偶素（bottomonium）的抑制是由因果退耦而非热化介质散射引起的，从而成功解释了其观测到的强抑制现象与椭圆流缺失（ $v_2 \approx 0$ ）之间的矛盾。

Yi Yang2026-03-27⚛️ hep-ph

Diffractive and photon-induced processes at the LHC: from the odderon discovery, the evidence for saturation to the search for axion-like particles

本文综述了 LHC 上衍射与光子诱导过程的研究进展，涵盖了 TOTEM 和 D0 合作组对奇偶子的发现、铅铅碰撞中可能观测到的饱和现象证据，以及通过双光子相互作用寻找轴子类粒子等新物理的敏感性分析。

C. Royon2026-03-27⚛️ hep-ex

Worldwide Reactor Neutrino Propagation to Underground Labs: Matter Effects and Flux Predictions

本文建立了一个结合全球反应堆运行数据与地球物质效应（MSW）的高精度框架，通过二阶 Strang 分裂求解器计算了地下实验室中反应堆反中微子的传播概率，并评估了地球结构特征对反应堆中微子通量预测精度的影响。

Keyu Han, Juncheng Qian, Shaomin Chen2026-03-27⚛️ nucl-ex

First measurement of $\Sigma^{+}n\rightarrow\Lambda p$ and $\Sigma^{+}n\rightarrow\Sigma^{0}p$ cross sections via $\Sigma^+$ -nucleus scattering at an electron-positron collider

BESIII 合作组利用 BEPCII 对撞机收集的约 100 亿个 $J/\psi$ 事例，首次通过 $\Sigma^+$ 与束流管中原子核的散射过程，测量了 $\Sigma^{+}n\rightarrow\Lambda p$ 和 $\Sigma^{+}n\rightarrow\Sigma^{0}p$ 反应的截面。

BESIII Collaboration, M. Ablikim, M. N. Achasov, P. Adlarson, X. C. Ai, R. Aliberti, A. Amoroso, Q. An, Y. Bai, O. Bakina, Y. Ban, H. -R. Bao, V. Batozskaya, K. Begzsuren, N. Berger, M. Berlowski, M. (…)2026-03-26⚛️ nucl-ex

nucl-ex

Dynamical Causal Horizons and the Quarkonium Flow Paradox

Diffractive and photon-induced processes at the LHC: from the odderon discovery, the evidence for saturation to the search for axion-like particles

Worldwide Reactor Neutrino Propagation to Underground Labs: Matter Effects and Flux Predictions

First measurement of $\Sigma^{+}n\rightarrow\Lambda p$ and $\Sigma^{+}n\rightarrow\Sigma^{0}p$ cross sections via $\Sigma^+$ -nucleus scattering at an electron-positron collider

Phenomenological Modeling of the $^{163}$ Ho Calorimetric Electron Capture Spectrum from the HOLMES Experiment

The High Level Trigger and Express Data Production at STAR

An Improved Paralyzable Detector Mod

Offline Commissioning of the St. Benedict Gas Catcher

Radiative corrections to two-neutrino double-beta decay

A Breath of Fresh Air for Molière: Detecting Molière Scattering using Jet Substructure Observables in Oxygen Collisions

nucl-ex

Dynamical Causal Horizons and the Quarkonium Flow Paradox

Diffractive and photon-induced processes at the LHC: from the odderon discovery, the evidence for saturation to the search for axion-like particles

Worldwide Reactor Neutrino Propagation to Underground Labs: Matter Effects and Flux Predictions

First measurement of Σ+n→Λp\Sigma^{+}n\rightarrow\Lambda pΣ+n→Λp and Σ+n→Σ0p\Sigma^{+}n\rightarrow\Sigma^{0}pΣ+n→Σ0p cross sections via Σ+\Sigma^+Σ+-nucleus scattering at an electron-positron collider

Phenomenological Modeling of the 163^{163}163Ho Calorimetric Electron Capture Spectrum from the HOLMES Experiment

The High Level Trigger and Express Data Production at STAR

An Improved Paralyzable Detector Mod

Offline Commissioning of the St. Benedict Gas Catcher

Radiative corrections to two-neutrino double-beta decay

A Breath of Fresh Air for Molière: Detecting Molière Scattering using Jet Substructure Observables in Oxygen Collisions

First measurement of $\Sigma^{+}n\rightarrow\Lambda p$ and $\Sigma^{+}n\rightarrow\Sigma^{0}p$ cross sections via $\Sigma^+$ -nucleus scattering at an electron-positron collider

Phenomenological Modeling of the $^{163}$ Ho Calorimetric Electron Capture Spectrum from the HOLMES Experiment