CAST constraints on the axion-electron coupling

被引：64

作者：

Barth, K. ^{[1
]}

Belov, A. ^{[2
]}

Beltran, B. ^{[3
]}

Braeuninger, H. ^{[4
]}

Carmona, J. M. ^{[5
,6
]}

Collar, J. I. ^{[5
,6
]}

Dafni, T. ^{[5
,6
,7
,10
]}

Davenport, M. ^{[1
]}

Di Lella, L. ^{[1
]}

Eleftheriadis, C. ^{[8
]}

Englhauser, J. ^{[4
]}

Fanourakis, G. ^{[9
]}

Ferrer-Ribas, E. ^{[10
]}

Fischer, H. ^{[11
]}

Franz, J. ^{[11
]}

Friedrich, P.

Galan, J. ^{[10
]}

Garcia, J. A.

Geralis, T.

Giomataris, I. ^{[10
]}

Gninenko, S. ^{[2
]}

Gomez, H.

Hasinoff, M. D. ^{[12
]}

Heinsius, F. H.

Hoffmann, D. H. H.

Irastorza, I. G. ^{[1
]}

Jacoby, J. ^{[13
]}

Jakovcic, K. ^{[14
]}

Kang, D.

Koenigsmann, K.

Kotthaus, R.

Kousouris, K.

Krcmar, M.

Kuster, M.

Lakic, B.

Liolios, A.

Ljubicic, A.

Lutz, G. ^{[15
]}

Luzon, G.

Miller, D. W.

Papaevangelou, T. ^{[1
]}

Pivovaroff, M. J. ^{[16
]}

Raffelt, G.

Redondo, J. ^{[17
]}

Riege, H.

Rodriguez, A.

Ruz, J. ^{[1
]}

Savvidis, I.

Semertzidis, Y. ^{[18
]}

Stewart, L. ^{[1
]}

机构：

[1] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[2] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[3] Univ Zaragoza, Lab Fis Nucl & Altas Energias, Zaragoza, Spain

[4] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[5] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[6] Univ Chicago, KICP, Chicago, IL 60637 USA

[7] Tech Univ Darmstadt, IKP, Darmstadt, Germany

[8] Aristotle Univ Thessaloniki, GR-54006 Thessaloniki, Greece

[9] Demokritos Natl Ctr Sci Res, GR-15310 Athens, Greece

[10] CEA Saclay, IREU, Ctr Etud Nucl Saclay, F-91191 Gif Sur Yvette, France

[11] Univ Freiburg, D-79106 Freiburg, Germany

[12] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada

[13] Goethe Univ Frankfurt, Inst Angew Phys, Frankfurt, Germany

[14] Rudjer Boskovic Inst, Zagreb, Croatia

[15] MPI Halbleiterlab, Munich, Germany

[16] Lawrence Livermore Natl Lab, Livermore, CA USA

[17] Univ Munich, Arnold Sommerfeld Ctr, Munich, Germany

[18] Brookhaven Natl Lab, Brookhaven, NY USA

[19] Univ Patras, Dept Phys, GR-26110 Patras, Greece

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2013年 / 05期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

axions; dark matter experiments; solar physics; white and brown dwarfs; STRONG CP PROBLEM; SOLAR AXIONS; DARK-MATTER; DETECTOR; SEARCH; CONSERVATION; INVARIANCE; TELESCOPE; MECHANISM; PARTICLE;

D O I：

10.1088/1475-7516/2013/05/010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In non-hadronic axion models, which have a tree-level axion-electron interaction, the Sun produces a strong axion flux by bremsstrahlung, Compton scattering, and axio-recombination, the "BCA processes." Based on a new calculation of this flux, including for the first time axio-recombination, we derive limits on the axion-electron Yukawa coupling g(ae) and axion-photon interaction strength g(a gamma) using the CAST phase-I data (vacuum phase). For m(a) less than or similar to 10 meV/c(2) we find g(a gamma) g(ae) < 8.1 x 10(-23) GeV-1 at 95% CL. We stress that a next-generation axion helioscope such as the proposed IAXO could push this sensitivity into a range beyond stellar energy-loss limits and test the hypothesis that white-dwarf cooling is dominated by axion emission.

引用

页数：17

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