Sensitivity of Spin-Precession Axion Experiments
Journal Article
·
· Physical Review Letters
- University of California Santa Cruz, CA (United States); Santa Cruz Institute for Particle Physics, CA (United States)
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- European Organization for Nuclear Research (CERN), Geneva (Switzerland)
We study the signal and background that arise in nuclear magnetic resonance searches for axion dark matter, finding key differences with the existing literature. We find that spin-precession instruments are much more sensitive than what has been previously estimated in a sizable range of axion masses, with sensitivity improvement of up to a factor of 100 using a 129Xe sample. This improves the detection prospects for the QCD axion, and we estimate the experimental requirements to reach this motivated target. Our results apply to both the axion electric and magnetic dipole moment operators.
- Research Organization:
- University of California Santa Cruz, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE; National Science Foundation (NSF); USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0023093; PHY-1607611; EXC 2121; 390833306; AC02-05CH11231
- OSTI ID:
- 1972017
- Alternate ID(s):
- OSTI ID: 1997074; OSTI ID: 2396856
- Journal Information:
- Physical Review Letters, Vol. 130, Issue 18; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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