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Mr Zhiyong Lu (CIAE(中国原子能科学研究院))19/10/2026, 10:30
A central question in strong-interaction physics, governed by quantum chromodynamics (QCD), is whether femto-scale droplets of quark–gluon plasma (QGP) form in small collision systems involving projectiles significantly smaller than heavy ions. Collisions of light ions such as 16O and 20Ne offer a unique opportunity to probe the emergence of collective behavior in QCD matter. This work...
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义 李 (中山大学物理与天文学院)19/10/2026, 10:50
无中微子双贝塔衰变是目前粒子物理与核物理研究领域的科学前沿,是可能突破粒子物理标准模型的重要研究方向之一 。如果实验上观测到无中微子双贝塔衰变,将提供违反轻子数的直接证据,同时表明中微子是马约拉纳粒子,有助于理解宇宙中正反物质不对称之谜。
其中,NME是连接半衰期与中微子质量的关键“桥梁” ,其数值大小直接决定衰变的快慢,并影响提取中微子质量的精度。然而,不同核理论模型对NME的预测相差三倍甚至更多,对设计以及解释无中微子双贝塔衰变实验带来很大的不确定性。因此,降低候选原子核衰变NME的不确定性是亟需解决的关键科学问题之一。
在近期的工作中,我们计算了¹⁵⁰Nd → ¹⁵⁰Sm 到无中微子双贝塔衰变核矩阵元NME,并进行了母核¹⁵⁰Nd + ¹⁵⁰Nd...
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金玉 胡 (中国科学技术大学)19/10/2026, 11:10
Relativistic $^{16}$O+$^{16}$O collisions provide a valuable opportunity to study both the quark-gluon plasma formed in small systems and the intrinsic structure of $^{16}O$. Recent implementations of ab initio nuclear configurations in heavy-ion simulations have produced different predictions for cluster-sensitive observables, making it difficult to identify the origin of possible 𝛼-cluster...
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彦汝 暴 (华中师范大学)19/10/2026, 11:30
Traditional Monte Carlo Glauber models[1] treat deformed nuclei using a classical approximation: in each event, a fixed orientation is randomly assigned to the nucleus, which effectively breaks the rotational symmetry. However, for even-even nuclei, the ground state must remain in the $J=0$ ground state. To restore this broken symmetry, we introduce quantum superposition over all possible...
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Changle Sun19/10/2026, 11:50
Jet quenching provides a valuable measure of the opacity of the quark-gluon plasma (QGP) produced in high-energy heavy-ion collisions. However, substantial suppression of charged hadron spectra is observed in highly peripheral collisions, despite the expectation of negligible jet-QGP interactions in this regime. In this work, we demonstrate that the suppression observed in highly peripheral...
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