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Magnetic Moments, Mass Ratios, Laser Spectroscopy and QED

Magnetic Moments, Mass Ratios, Laser Spectroscopy and QED
磁矩、质量比、激光光谱和 QED
批准号:
0100211
负责人:
Gerald Gabrielse
金额:
$121.56万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-08-01 至 2006-07-31

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中文摘要
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英文摘要
This project in precision measurements seeks to measure at greatly improved accuracy the following four fundamental quantities: 1) the magnetic moment of the electron (often called its g value) ; 2) the fine structure constant; 3) the ratio of positron and electron g values; and 4) the ratio of the masses of the proton and electron. The measurement of the fine structure constant, along with the measurement of g, will test QED to an unprecedented level of accuracy. Greatly improved techniques for trapping positrons will aid the comparison of measured g values for the electron and positron to provide the best test of CPT invariance with a lepton system.
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PM: Electron and Positron Magnetic Moments from a Quantum Cyclotron
  • 批准号:
    2110565
  • 项目类别:
    Standard Grant
  • 资助金额:
    $179.2万
  • 财政年份:
    2021
  • 负责人:
    Gerald Gabrielse
  • 依托单位:
Antihydrogen and Antiproton Studies
  • 批准号:
    1903757
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $59.24万
  • 财政年份:
    2018
  • 负责人:
    Gerald Gabrielse
  • 依托单位:
Lepton Magnetic Moments and Fine Structure Constant
  • 批准号:
    1903756
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $81.95万
  • 财政年份:
    2018
  • 负责人:
    Gerald Gabrielse
  • 依托单位:
Lepton Magnetic Moments and Fine Structure Constant
  • 批准号:
    1607565
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $132.9万
  • 财政年份:
    2016
  • 负责人:
    Gerald Gabrielse
  • 依托单位:
海外基金