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Akademický článek

Operation of a ferromagnetic axion haloscope at $$m_a=58\,\upmu \mathrm {eV}$$ ma=58μeV

Autor: N. Crescini, D. Alesini, C. Braggio, G. Carugno, D. Di Gioacchino, C. S. Gallo, U. Gambardella, C. Gatti, G. Iannone, G. Lamanna, C. Ligi, A. Lombardi, A. Ortolan, S. Pagano, R. Pengo, G. Ruoso, C. C. Speake, L. Taffarello

Publikováno v: European Physical Journal C: Particles and Fields, Vol 78, Iss 9, Pp 1-9 (2018)

Abstract 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

Externí odkaz: https://doaj.org/article/2df9d337f9d74875b26558ce04fc0a08

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Search of spin-dependent fifth forces with precision magnetometry

Autor: N. Crescini, G. Carugno, P. Falferi, A. Ortolan, G. Ruoso, C. C. Speake

Publikováno v: Physical Review

Spin-dependent fifth-forces are associated with particles beyond the standard model. In particular, light pseudo-scalar bosons mediate long-range forces, allowing mass to interact with spins. The search of these interactions can be performed by perio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90347516f1dc73a97e571b3b40d32960
http://repo.scoap3.org/api

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Akademický článek

Erratum to: Operation of a ferromagnetic axion haloscope at $${ m}_{a}=58\,\upmu \hbox {eV}$$ ma=58μeV

Publikováno v: European Physical Journal C: Particles and Fields, Vol 78, Iss 10, Pp 1-1 (2018)

The original version of this article unfortunately contained a mistake.

Externí odkaz: https://doaj.org/article/9dea31a5771f4311af4c2bc4514e7794

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An Air Suspension to Demonstrate the Properties of Torsion Balances with Fibres of Zero Length

Autor: C. Gettings, C. C. Speake

We report on the design and characterisation of an air-bearing suspension that has been constructed to highlight the properties of torsion balances with fibres of zero length. A float is levitated on this suspension and its rotational and translation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82b906e1ce09386dbaa8de0664b8aff7
http://arxiv.org/abs/2002.03633

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Erratum to: Operation of a ferromagnetic axion haloscope at $${ m}_{a}=58\,\upmu \hbox {eV}$$

m_{a} = 58 μ eV

Publikováno v: European Physical Journal
European Physical Journal C: Particles and Fields, Vol 78, Iss 10, Pp 1-1 (2018)

The original version of this article unfortunately contained a mistake.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9689d1cba44e6a2578506e4266c33f9e
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NEuclid: a long-range tilt-immune homodyne interferometer

Autor: C. C. Speake, Miranda Bradshaw

Publikováno v: International Conference on Space Optics — ICSO 2014.

The new Easy to Use Compact Laser Interferometric Device (nEUCLID) is a polarisation-based homodyne interferometer with substantially unequal arms that is tolerant to target mirror tilt. The design has no active components, uses standard optical comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0893be1d70b902fb9fcb2d913ebc3912
https://doi.org/10.1117/12.2304248

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Direct measurement of STEP test mass quadrupole moments

Autor: C Trenkel, C C Speake

Publikováno v: Classical and Quantum Gravity. 20:5343-5351

A cryogenic torsion balance method is suggested to measure the residual quadrupole moments of the STEP test masses directly. The individual masses are placed on a torsion balance and the torque exerted by a rotating set of source masses is analysed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::176e2258ed1bd71e88515f3f89dccc10
https://doi.org/10.1088/0264-9381/20/24/007

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Geometrical optimization of superconducting levitation systems based on the complete Meissner effect

Autor: C C Speake, C Trenkel

Publikováno v: Classical and Quantum Gravity. 13:A299-A309

We analyse superconducting magnetic levitation systems where both the suspended body and the field-generating conductors are perfectly diamagnetic. We develop a method to find a spatial distribution of the windings underneath a planar superconductor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95c5392ab08dccddcb4de791373a4d3b
https://doi.org/10.1088/0264-9381/13/11a/040

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