Dark matter axions
Conference
·
OSTI ID:10179827
- California Univ., Santa Barbara, CA (United States). Inst. for Theoretical Physics
The physics of axions is briefly reviewed theoretically, and various constraints on the axion mass are recounted. Then the two main contributions to the present cosmological axion energy density, that due to the realignment of the vacuum during the QCD phase transition and that from axions radiated by cosmic axion strings, are discussed. Next, two detection schemes for axions that are sensitive to different mass ranges, an electromagnetic cavity permeated by a strong magnetic field and a system of superconducting wires embedded in a material transparent to microwave radiation, are described. Finally, the phase space structure of cold dark matter galactic halos is considered. (RWR)
- Research Organization:
- Florida Univ., Gainesville, FL (United States). Inst. for Fundamental Theory
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
- DOE Contract Number:
- FG05-86ER40272
- OSTI ID:
- 10179827
- Report Number(s):
- DOE/ER/40272--171; UFIFT-HEP--92-25; CONF-9202135--1; ON: DE92040501; CNN: Grant PHY89-04035
- Country of Publication:
- United States
- Language:
- English
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