Experimental constraints on the axion dark matter halo density

被引：69

作者：

Asztalos, SJ

Daw, E

Peng, H

Rosenberg, LJ

Yu, DB

Hagmann, C

Kinion, D

Stoeffl, W

van Bibber, K

LaVeigne, J

Sikivie, P

Sullivan, NS

Tanner, DB

Nezrick, F

Moltz, DM

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

[2] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[4] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[5] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[6] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

ASTROPHYSICAL JOURNAL | 2002年 / 571卷 / 01期

关键词：

dark matter; Galaxy : halo; instrumentation : detectors;

D O I：

10.1086/341130

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Most of the mass of the Milky Way is contributed by its halo, presumably in the form of noninteracting cold dark matter. The axion is a compelling cold dark matter candidate. We report results from a search that probes the local Galactic halo axion density using the Sikivie radio frequency cavity technique. Candidates over the frequency range 550 MH less than or equal to f less than or equal to 810 MHz (2.3 mueV less than or equal to m(a) less than or equal to 3.4 mueV) were investigated. The absence of a signal suggests that the axions of Kim and Shifman, Vainshtein, & Zakharov contribute no more than 0.45 GeV cm(-3) of mass density to the local dark matter halo over this mass range.

引用

页码：L27 / L30

页数：4

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