期刊
PHYSICAL REVIEW D
卷 90, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.90.062009
关键词
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资金
- NSF
- DOE
- SNF
- Volkswagen Foundation
- FCT
- Region des Pays de la Loire
- STCSM
- NSFC
- DFG
- MPG
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- Weizmann Institute of Science
- EMG research center
- INFN
- LNGS [XENON100]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1413358, 1206061, 1104720, 1413495] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1412965, 1413255, 1104740] Funding Source: National Science Foundation
We present the first results of searches for axions and axionlike particles with the XENON100 experiment. The axion-electron coupling constant, g(Ae), has been probed by exploiting the axioelectric effect in liquid xenon. A profile likelihood analysis of 224.6 live days x 34-kg exposure has shown no evidence for a signal. By rejecting g(Ae) larger than 7.7 x 10(-12) (90% C. L.) in the solar axion search, we set the best limit to date on this coupling. In the frame of the DFSZ and KSVZ models, we exclude QCD axions heavier than 0.3 and 80 eV/c(2), respectively. For axionlike particles, under the assumption that they constitute the whole abundance of dark matter in our galaxy, we constrain gAe to be lower than 1 x 10(-12) (90% C.L.) for masses between 5 and 10 keV/c(2).
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