Search for PQ Axions. (arXiv:1812.03294v1 [hep-ex])
<a href="http://arxiv.org/find/hep-ex/1/au:+Chung_W/0/1/0/all/0/1">Woohyun Chung</a>
A major fraction of the mass content of the universe is composed of dark
matter (DM), i.e. particles not interacting significantly with electromagnetic
radiation, with ordinary matter or self-interacting (cold dark matter). The
axion is originally proposed to solve the strong CP problem of quantum
chromodynamics, but now emerges as an excellent cold DM candidate. The physics
case of these particles has been considerably developed in recent years, and
there are now useful guidelines and powerful motivations to attempt
experimental detection. Admittedly, the lack of a positive signal of new
physics at the high energy frontier, and in underground detectors searching for
weakly interacting massive particles, is also contributing to the increase of
interest in axion searches. The experimental landscape is rapidly evolving,
with many novel detection concepts and new experimental proposals. The lastest
development of the axion search efforts will be discussed.
A major fraction of the mass content of the universe is composed of dark
matter (DM), i.e. particles not interacting significantly with electromagnetic
radiation, with ordinary matter or self-interacting (cold dark matter). The
axion is originally proposed to solve the strong CP problem of quantum
chromodynamics, but now emerges as an excellent cold DM candidate. The physics
case of these particles has been considerably developed in recent years, and
there are now useful guidelines and powerful motivations to attempt
experimental detection. Admittedly, the lack of a positive signal of new
physics at the high energy frontier, and in underground detectors searching for
weakly interacting massive particles, is also contributing to the increase of
interest in axion searches. The experimental landscape is rapidly evolving,
with many novel detection concepts and new experimental proposals. The lastest
development of the axion search efforts will be discussed.
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