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Improved search for solar chameleons with a GridPix detector at CAST
- Source :
- Anastassopoulos, V, Aune, S, Barth, K, Belov, A, Braueninger, H, Cantatore, G, Carmona, J M, Castel, J F, Cetin, S A, Christensen, F, Dafni, T, Davenport, M, Dermenev, A, Desch, K, Doebrich, B, Eleftheriadis, C, Fanourakis, G, Ferrer-Ribas, E, Fischer, H L, Funk, W, Garcia, J A, Gardikiotis, A, Garza, J G, Gazis, E N, Geralis, T, Giomataris, I, Gninenko, S, Hailey, C J, Hasinoff, M D, Hoffmann, D H H, Iguaz, F J, Irastorza, I G, Jakobsen, A, Jacoby, J, Jakovcic, K, Kaminski, J, Karuza, M, Kostoglou, S, Kralj, N, Krcmar, M, Krieger, C, Lakic, B, Laurent, J M, Liolios, A, Ljubicic, A, Luzon, G, Maroudas, M, Miceli, L, Schmidt, S, Vogel, J K, Vretenar, M, Wuensch, W, Yildiz, S C, Zioutasa, K & Braxab, P 2019, ' Improved search for solar chameleons with a GridPix detector at CAST ', Journal of Cosmology and Astroparticle Physics, vol. 2019, no. 1, 32 . https://doi.org/10.1088/1475-7516/2019/01/032, JCAP, JCAP, 2019, 01, pp.032. ⟨10.1088/1475-7516/2019/01/032⟩, Zaguán. Repositorio Digital de la Universidad de Zaragoza, instname, Journal of Cosmology and Astroparticle Physics, Journal of cosmology and astroparticle physics
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Abstract
- We report on a new search for solar chameleons with the CERN Axion Solar Telescope (CAST). A GridPix detector was used to search for soft X-ray photons in the energy range from 200 eV to 10 keV from converted solar chameleons. No signiffcant excess over the expected background has been observed in the data taken in 2014 and 2015. We set an improved limit on the chameleon photon coupling, $\beta_\gamma < 5.7\times10^{10}$ for $1<br />Comment: 19 pages, 12 figures, 3 tables
- Subjects :
- Physics - Instrumentation and Detectors
Photon
Physics::Instrumentation and Detectors
Solar luminosity
magnetic field
Astrophysics
01 natural sciences
High Energy Physics - Experiment
High Energy Physics - Experiment (hep-ex)
photon: coupling
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
Astrophysics::Solar and Stellar Astrophysics
Detectors and Experimental Techniques
GridPix
dark energy
modified gravity
physics.ins-det
Solar physics
Physics
dark energy experiments
particle physics - cosmology connection
solar physics
Astronomy and Astrophysics
chameleon: solar
solar physic
Instrumentation and Detectors (physics.ins-det)
Coupling (probability)
transition: (axion photon)
dark energy experiment
Beta (plasma physics)
Physics::Space Physics
CAST
Astrophysics::Earth and Planetary Astrophysics
CERN Axion Solar Telescope
Particle Physics - Experiment
chameleon
Modified gravity
Particle physics
CERN Lab
Astrophysics::High Energy Astrophysical Phenomena
FOS: Physical sciences
photon: spectrum
coupling constant: upper limit
Tachocline
Astrophysics::Cosmology and Extragalactic Astrophysics
X-ray
Dark energy experiments
0103 physical sciences
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Sensitivity (control systems)
hep-ex
background
010308 nuclear & particles physics
magnet
coupling: (axion 2photon)
Particle physics - cosmology connection
axion: solar
tachocline
Energy (signal processing)
experimental results
Subjects
Details
- Language :
- English
- ISSN :
- 14757516, 13672630, 09543899, and 11266708
- Volume :
- 2019
- Issue :
- 01
- Database :
- OpenAIRE
- Journal :
- Journal of Cosmology and Astroparticle Physics
- Accession number :
- edsair.doi.dedup.....63931d1c75ba6b1dfe921f05b9e16fa9
- Full Text :
- https://doi.org/10.1088/1475-7516/2019/01/032