Search for hadronic axions

Details Search for hadronic axions Search for hadronic axions

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001rapc...61..217k&link_type=abstract

Radiation Physics and Chemistry, Volume 61, Issue 3-6, p. 217-221.

Physics

Scientific paper

The existence of axions, proposed as very light neutral spin-zero pseudoscalar particles, can solve the strong CP problem in quantum chromodynamics. Models of hadronic axions with /E/N~2 allow for near or complete cancellation of the axion-photon coupling constant. In this case there is no stellar-evolution limit on the axion mass (ma), and for hadronic axions there exists a small window, 10eV<=ma<=40eV, between supernova cooling and axion burst arguments. Hadronic axions in this window are also good candidates for hot dark matter. The most promising methods for verification of this window are observation of an axion burst from a future supernova and resonant absorption of almost monochromatic solar axions.

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