Projected bounds on ALPs from Athena

被引：24

作者：

Conlon, Joseph P. ^{[1
]}

Day, Francesca ^{[1
]}

Jennings, Nicholas ^{[1
]}

Krippendorf, Sven ^{[1
]}

Muia, Francesco ^{[1
]}

机构：

[1] Rudolf Peierls Ctr Theoret Phys, 1 Keble Rd, Oxford OX1 3NP, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2018年 / 473卷 / 04期

基金：

欧洲研究理事会;

关键词：

astroparticle physics; elementary particles; galaxies: clusters: individual: Perseus; X-RAY OBSERVATIONS; AXION-LIKE PARTICLES; CONSTRAINTS; SPECTRUM; LINE;

D O I：

10.1093/mnras/stx2652

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Galaxy clusters represent excellent laboratories to search for axion-like particles (ALPs). They contain magnetic fields which can induce quasi-sinusoidal oscillations in the X-ray spectra of active galactic nuclei situated in or behind them. Due to its excellent energy resolution, the X-ray Integral Field Unit instrument on board the Athena X-ray Observatory will be far more sensitive to ALP-induced modulations than current detectors. As a first analysis of the sensitivity of Athena to the ALP-photon coupling g(a gamma gamma), we simulate observations of the Seyfert galaxy NGC 1275 (hosting the radio source 3C 84) in the Perseus cluster using the SIXTE simulation software. We estimate that for a 200 ks exposure, a non-observation of spectral modulations will constrain g(a gamma gamma) less than or similar to 1.5 x 10(-13)GeV(-1) for m(a) less than or similar to 10(-12)eV, representing an order of magnitude improvement over constraints derived using the current generation of satellites.

引用

页码：4932 / 4936

页数：5

共 41 条

[41] X-Ray and Optical Monitoring of a Gamma-Ray-Emitting Radio Galaxy, NGC 1275 [J].

Yamazaki, Syoko ;

Fukazawa, Yasushi ;

Sasada, Mahito ;

Itoh, Ryosuke ;

Nishino, Sho ;

Takahashi, Hiromitsu ;

Takaki, Katsutoshi ;

Kawabata, Koji S. ;

Yoshida, Michitoshi ;

Uemura, Makoto .

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 2013, 65 (02)

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