Antihydrogen Production and Precision Spectroscopy with ATHENA/AD-1
msra(2001)
摘要
CPT invariance is a fundamental property of quantum field theories in flat space-time. Principal consequences include the
predictions that particles and their antiparticles have equal masses and lifetimes, and equal and opposite electric charges
and magnetic moments. It also follows that the fine structure, hyperfine structure, and Lamb shifts of matter and antimatter
bound systems should be identical.
It is proposed to generate new stringent tests of CPT using precision spectroscopy on antihydrogen atoms. An experiment to
produce antihydrogen at rest has been approved for running at the Antiproton Decelerator (AD) at CERN. We describe the fundamental
features of this experiment and the experimental approach to the first phase of the program, the formation and identification
of low energy antihydrogen.
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关键词
space time,magnetic moment,fine structure,hyperfine structure,quantum field theory
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