相关实验视频
Updated: Jan 16, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
贝叶斯推断核子引力形式因子通过接近值的J/ψ光生成
Yuxun Guo1,2, Feng Yuan2, Wenbin Zhao1,2
1University of California, Physics Department, Berkeley, California 94720, USA.
使用J/ψ生产数据的贝叶斯推理提炼了质子的引力形状因子. 接近值的测量与格子模拟保持一致,有利于未来高精度实验的负Cq (t) 和Cg (t).
科学领域:
- 核物理 核物理 核物理
- 粒子物理学 粒子物理学
- 量子色态动力学 量子色态动力学
背景情况:
- 质子引力形状因子 (GFFs) 对于理解质子结构至关重要.
- 接近值的J/ψ生产为GFFs提供了一个新的探测.
研究的目的:
- 调查最近的J/ψ生产数据对GFF提取的影响.
- 使用实验和格子数据限制Cq(t) 和Cg(t) 的行为.
主要方法:
- 贝叶斯推论应用于接近值的J/ψ生产数据.
- 下一个领先的顺序通用派顿分布 (GPD) 框架.
- 与最先进的格子QCD模拟器进行比较.
主要成果:
- 来自J/ψ007和GlueX的实验约束与格子QCD一致.
- 强烈偏好负值的Cq (t) 和Cg (t).
- 对于接近值的动力学来说,已经证明了稳定的扩张.
结论:
- 最近的J/ψ生产测量显著影响GFF提取.
- 未来的高精度实验对精确的GFF确定有很大的潜力.
- 这项研究提供了对质子内部结构的宝贵见解.
更多相关视频
08:48High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water
Published on: April 28, 2022
14:11Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
Published on: March 29, 2016
相关概念视频
Atomic Nuclei: Nuclear Spin State Population Distribution
Maxwell-Boltzmann Distribution: Problem Solving
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
Atomic Radii and Effective Nuclear Charge
Gravitation Between Spherically Symmetric Masses
Equilibrium Conditions for a Particle
To understand the concept of equilibrium, let us first consider the forces acting on an object. When different forces act on an object, they can...
Atomic Nuclei: Nuclear Magnetic Moment