Operation of a ferromagnetic axion haloscope at ma=58 μeV

被引：0

作者：

Crescini, N. ^{[1
,2
]}

Alesini, D. ^{[3
]}

Braggio, C. ^{[1
,4
]}

Carugno, G. ^{[1
,4
]}

Di Gioacchino, D. ^{[3
]}

Gallo, C. S. ^{[2
]}

Gambardella, U. ^{[5
]}

Gatti, C. ^{[3
]}

Iannone, G. ^{[5
]}

Lamanna, G. ^{[6
]}

Ligi, C. ^{[3
]}

Lombardi, A. ^{[2
]}

Ortolan, A. ^{[2
]}

Pagano, S. ^{[5
]}

Pengo, R. ^{[2
]}

Ruoso, G. ^{[2
]}

Speake, C. C. ^{[7
]}

Taffarello, L. ^{[4
]}

机构：

[1] Dipartimento Fis & Astron, Via Marzolo 8, I-35131 Padua, Italy

[2] INFN, Lab Nazl Legnaro, Viale Univ 2, I-35020 Padua, Italy

[3] INFN, Lab Nazl Frascati, Via Enrico Fermi 40, I-00044 Rome, Italy

[4] INFN, Sez Padova, Via Marzolo 8, I-35131 Padua, Italy

[5] Univ Salerno, INFN, Sez Napoli, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy

[6] Univ Pisa, INFN, Sez Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy

[7] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

来源：

EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 09期

关键词：

RADIATION; INVARIANCE; GALAXIES; MAGNON; QCD;

D O I：

10.1140/epjc/s10052-018-6163-8

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Axions, originally proposed to solve the strong CP problem of quantum chromodynamics, emerge now as leading candidates of WISP dark matter. The rich phenomenology associated to the light and stable QCD axion can be described as an effective magnetic field that can be experimentally investigated. For the QUAX experiment, dark matter axions are searched by means of their resonant interactions with electronic spins in a magnetized sample. In principle, axion-induced magnetization changes can be detected by embedding a sample in an rf cavity in a static magnetic field. In this work we describe the operation of a prototype ferromagnetic haloscope, with a sensitivity limited by thermal fluctuations and receiver noise. With a preliminary dark matter search, we are able to set an upper limit on the coupling constant of DFSZ axions to electrons g(aee) < 4.9 x 10(-10) at 95% C.L. for a mass of 58 mu eV (i.e. 14 GHz). This is the first experimental result with an apparatus exploiting the coupling between cosmological axions and electrons.

引用

页数：9

共 50 条

[1] Operation of a ferromagnetic axion haloscope at ma = 58μeV (vol 78, 703, 2018)
Crescini, N.
Alesini, D.
Braggio, C.
Carugno, G.
Di Gioacchino, D.
Gallo, C. S.
Gambardella, U.
Gatti, C.
Iannone, G.
Lamanna, G.
Ligi, C.
Lombardi, A.
Ortolan, A.
Pagano, S.
Pengo, R.
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EUROPEAN PHYSICAL JOURNAL C, 2018, 78 (10):
[2] Building instructions for a ferromagnetic axion haloscope
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[3] Building instructions for a ferromagnetic axion haloscope
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[5] Operation of a ferromagnetic axion haloscope at ma=58μeV\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$m_a=58\,\upmu \mathrm {eV}$$\end{document}
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[6] Erratum to: Operation of a ferromagnetic axion haloscope at ma=58μeV\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${ m}_{a}=58\,\upmu \hbox {eV}$$\end{document}
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