Mapping the Spectrum of Light Quark Mesons and Gluonic Excitations with Linearly Polarized Photons

用线性偏振光子绘制光夸克介子和胶子激发的光谱

基本信息

  • 批准号:
    SAPPJ-2015-00024
  • 负责人:
  • 金额:
    $ 9.83万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Subatomic Physics Envelope - Project
  • 财政年份:
    2015
  • 资助国家:
    加拿大
  • 起止时间:
    2015-01-01 至 2016-12-31
  • 项目状态:
    已结题

项目摘要

Subatomic physics seeks to understand nature - and all its laws - at the most fundamental level, down to its elementary constituents and their interactions. Tremendous strides have been made in the last several decades, using accelerators and astrophysical observations, which have strengthened our conviction that the basic model, known as the Standard Model, is essentially a valid description of the subatomic world but not necessarily a complete one. Its success is based fundamentally on the concept of “asymptotic freedom,” which stipulates that the quarks, the most elemental particles, behave as free particles when their separation distance is small (such as in high energy collisions) so that analytical calculations of their weakened interactions can be made. However, when the quarks are bound together to form ordinary matter their interactions are so strong that they cannot be separated and cannot exist as individual free quarks. This is an experimental fact that imposes an additional aspect to the Standard Model, that of “quark confinement.” Its exact nature remains one of the outstanding problems in physics.
亚原子物理学寻求在最基本的层面上理解自然及其所有规律,直到它的基本成分及其相互作用。在过去的几十年里,使用加速器和天体物理观测取得了巨大的进步,这让我们更加坚信,被称为标准模型的基本模型基本上是对亚原子世界的有效描述,但不一定是一个完整的描述。它的成功从根本上是基于“渐近自由”的概念,该概念规定,夸克是最基本的粒子,当它们的间隔距离很小时(例如在高能碰撞中),夸克表现为自由粒子,这样就可以对它们减弱的相互作用进行分析计算。然而,当夸克被束缚在一起形成普通物质时,它们的相互作用是如此强烈,以至于它们不能分开,也不能作为单独的自由夸克存在。这是一个实验事实,它给标准模型增加了一个额外的方面,那就是“夸克禁闭”。它的确切性质仍然是物理学中悬而未决的问题之一。

项目成果

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Papandreou, Zisis其他文献

Papandreou, Zisis的其他文献

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{{ truncateString('Papandreou, Zisis', 18)}}的其他基金

Hadron Spectroscopy in the Light Quark Sector at GlueX
GlueX 光夸克领域的强子光谱
  • 批准号:
    SAPPJ-2022-00023
  • 财政年份:
    2022
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Search for Physical States with Gluonic Excitations in the Light Quark Sector
寻找光夸克扇区中具有胶子激发的物理状态
  • 批准号:
    SAPPJ-2018-00021
  • 财政年份:
    2021
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Search for Physical States with Gluonic Excitations in the Light Quark Sector
寻找光夸克扇区中具有胶子激发的物理状态
  • 批准号:
    SAPPJ-2018-00021
  • 财政年份:
    2020
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Search for Physical States with Gluonic Excitations in the Light Quark Sector
寻找光夸克扇区中具有胶子激发的物理状态
  • 批准号:
    SAPPJ-2018-00021
  • 财政年份:
    2019
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Search for Physical States with Gluonic Excitations in the Light Quark Sector
寻找光夸克扇区中具有胶子激发的物理状态
  • 批准号:
    SAPPJ-2018-00021
  • 财政年份:
    2018
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Mapping the Spectrum of Light Quark Mesons and Gluonic Excitations with Linearly Polarized Photons
用线性偏振光子绘制光夸克介子和胶子激发的光谱
  • 批准号:
    SAPPJ-2015-00024
  • 财政年份:
    2017
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Mapping the Spectrum of Light Quark Mesons and Gluonic Excitations with Linearly Polarized Photons
用线性偏振光子绘制光夸克介子和胶子激发的光谱
  • 批准号:
    SAPPJ-2015-00024
  • 财政年份:
    2016
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Probing the physics of confinement: the GlueX Project
探索约束的物理原理:GlueX 项目
  • 批准号:
    326516-2012
  • 财政年份:
    2014
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Probing the physics of confinement: the GlueX Project
探索约束的物理原理:GlueX 项目
  • 批准号:
    326516-2012
  • 财政年份:
    2013
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Subatomic Physics Envelope - Project
Investigation of portable, low cost, radiation detection technology for use with wireless personal radiation detection equipment
研究与无线个人辐射检测设备一起使用的便携式低成本辐射检测技术
  • 批准号:
    454275-2013
  • 财政年份:
    2013
  • 资助金额:
    $ 9.83万
  • 项目类别:
    Engage Grants Program

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