Výsledky vyhledávání - "S K, Lamoreaux"

Design and operational experience of a microwave cavity axion detector for the 20–100μeV range

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 854:11-24

We describe a dark matter axion detector designed, constructed, and operated both as an innovation platform for new cavity and amplifier technologies and as a data pathfinder in the 5–25 GHz range ( ∼ 20 – 100 μ eV ) . The platform is small bu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7e26c9c4acaffca83b3596fb5d93187
https://doi.org/10.1016/j.nima.2017.02.012

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Results from phase 1 of the HAYSTAC microwave cavity axion experiment

Publikováno v: Physical Review

We report on the results from a search for dark matter axions with the HAYSTAC experiment using a microwave cavity detector at frequencies between 5.6 and 5.8 GHz. We exclude axion models with two photon coupling gaγγ≳2×10−14 GeV−1, a factor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::685d91d83807e2c42340e7ea785d5969
https://doi.org/10.1103/physrevd.97.092001

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First Results from a Microwave Cavity Axion Search at 24 μeV

Publikováno v: Physical Review Letters. 118

We report on the first results from a new microwave cavity search for dark matter axions with masses above 20 μeV. We exclude axion models with two-photon coupling g_{aγγ}≳2×10^{-14} GeV^{-1} over the range 23.55m_{a}24.0 μeV. These results re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47e88f1cfaaca8bd2f79a4bacdcef6e3
https://doi.org/10.1103/physrevlett.118.061302

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Experimental Searches for the Axion and Axion-like Particles

Autor: I. G. Irastorza, S. K. Lamoreaux, Peter W. Graham, Karl van Bibber, A. Lindner

Publikováno v: Zaguán. Repositorio Digital de la Universidad de Zaragoza
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Four decades after its prediction, the axion remains the most compelling solution to the Strong-CP problem and a well-motivated dark matter candidate, inspiring a host of elegant and ultrasensitive experiments based on axion-photon mixing. This repor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ddd6a770a43157e5a22b3adb5ad2977

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A multiferroic material to search for the permanent electric dipole moment of the electron

Autor: Konstantin Z. Rushchanskii, S. Kamba, Nicola A. Spaldin, M. Savinov, Alexander O. Sushkov, D. Nuzhnyy, K. Knivsek, J. Provlevska, S. K. Lamoreaux, Veronica Goian, P. Vanvek, M. Lezaic, S. Eckel, Frantisek Laufek

Publikováno v: Nature Materials. 9:649-654

We describe the first-principles design and subsequent synthesis of a new material with the specific functionalities required for a solid-state-based search for the permanent electric dipole moment of the electron. We show computationally that perovs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::010e9b25a003cb0466b893a2ad76c44a
https://doi.org/10.1038/nmat2799

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Casimir forces: Still surprising after 60 years

Autor: S. K. Lamoreaux

Publikováno v: Physics Today. 60:40-45

The once startling idea of a connection between quantum fluctuations and forces has by now been applied throughout physics. Nonetheless, experimentalists and theorists alike still find challenges in the Casimir force.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9df770414db2c39146f0260c1c8e981f
https://doi.org/10.1063/1.2711635

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Calculation of the Casimir force between imperfectly conducting plates

Autor: S. K. Lamoreaux

Publikováno v: Physical Review A. 59:R3149-R3153

The Lifshitz formalism for determining the attractive force between material bodies with generalized electromagnetic susceptibility is applied numerically to gold, copper, and aluminum. The deviation from the perfect conductivity Casimir force approx

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::457c103cd3d030bfdb43dfb4c14b5b9e
https://doi.org/10.1103/physreva.59.r3149

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Thermally excited liquid surface waves and their study through the quasielastic scattering of light

Autor: S. K. Lamoreaux, J. S. Radnich, W. M. Klipstein

Publikováno v: American Journal of Physics. 64:758-765

A simple apparatus employing a semiconductor diode laser and PIN photodiode has been used to investigate thermal capillary waves on liquid surfaces. These waves act as a weak, time‐varying diffraction grating for the incident laser light; the diffr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::968476a46bc0cef0fd488abcd219cb16
https://doi.org/10.1119/1.18174

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