New CAST Limit on the Axion-Photon Interaction
Vassilis Anastassopoulos,S. Aune,K. Barth,A. Belov,Heinrich Bräuninger,Giovanni Cantatore,J. M. Carmona,J. F. Castel,Serkant Ali Cetin,Finn Erland Christensen,J. I. Collar,T. Dafni,M. Davenport,Todd A. Decker,Alexander Dermenev,Klaus Kurt Desch,C. Eleftheriadis,Georgios Fanourakis,E. Ferrer-Ribas,H. Fischer,J. A. Garcia,A. Gardikiotis,J. G. Garza,Evangelos Gazis,T. Geralis,Ioannis Giomataris,Sergei Gninenko,C. J. Hailey,M. D. Hasinoff,Dieter H. H. Hoffmann,F.J. Iguaz,I. G. Irastorza,Anders Clemen Jakobsen,Joachim Jacoby,Krešimir Jakovčić,Jochen Kaminski,Marin Karuza,Nenad Kralj,Milica Krčmar,Sofia Kostoglou,Ch. Krieger,Biljana Lakić,J. M. Laurent,A. Liolios,Ante Ljubičić,G. Luzón,M. Maroudas,L. Miceli,S. Neff,I. Ortega,T. Papaevangelou,K. Paraschou,Michael J. Pivovaroff,Georg G. Raffelt,M. Rosu,J. Ruz,E. Ruiz Chóliz,I. Savvidis,Søren Schmidt,Yannis K. Semertzidis,Sami K. Solanki,L. Stewart,Theodoros Vafeiadis,Julia Vogel,S. C. Yildiz,Konstantin Zioutas +65 more
TLDR
The axion-photon coupling strength of the CERN Axion Solar Telescope (CAST) was shown to be at least 0.02$ eV in the first vacuum phase (2003-2004) with low-background x-ray detectors and a new xray telescope as mentioned in this paper.Abstract:
During 2003--2015, the CERN Axion Solar Telescope (CAST) has searched for $a\to\gamma$ conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward the Sun. In its final phase of solar axion searches (2013--2015), CAST has returned to evacuated magnet pipes, which is optimal for small axion masses. The absence of a significant signal above background provides a world leading limit of $g_{a\gamma} < 0.66 \times 10^{-10} {\rm GeV}^{-1}$ (95% C.L.) on the axion-photon coupling strength for $m_a \lesssim 0.02$ eV. Compared with the first vacuum phase (2003--2004), the sensitivity was vastly increased with low-background x-ray detectors and a new x-ray telescope. These innovations also serve as pathfinders for a possible next-generation axion helioscope.read more
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New experimental approaches in the search for axion-like particles
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TL;DR: The Physics Beyond Colliders initiative as mentioned in this paper is an exploratory study aimed at exploiting the full scientific potential of the CERN's accelerator complex and scientific infrastructures through projects complementary to the LHC and other possible future colliders.
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The ORGAN Experiment: An axion haloscope above 15 GHz
Ben T. McAllister,Graeme Flower,Eugene Ivanov,Maxim Goryachev,Jeremy Bourhill,Michael E. Tobar +5 more
TL;DR: The Oscillating Resonant Group AxioN (ORGAN) experiment is a microwave cavity axion haloscope located in Perth, Western Australia designed to probe for high mass axions motivated by several theoretical models as mentioned in this paper.
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New experimental approaches in the search for axion-like particles
TL;DR: In this paper, a review of axion-like particle detection is presented, focusing on the new experimental approaches and their complementarity, but also reviewing the most relevant recent results from the consolidated strategies and the prospects of new generation experiments under consideration in the field.
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TL;DR: The review as discussed by the authors summarizes much of particle physics and cosmology using data from previous editions, plus 3,283 new measurements from 899 Japers, including the recently discovered Higgs boson, leptons, quarks, mesons and baryons.
Journal ArticleDOI
THE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NuSTAR) HIGH-ENERGY X-RAY MISSION
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TL;DR: The Nuclear Spectroscopic Telescope Array (NuSTAR) as discussed by the authors is the first focusing high-energy X-ray telescope in orbit, which operates in the band from 3 to 79 keV.
Journal ArticleDOI
The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission
Fiona A. Harrison,William W. Craig,Finn Erland Christensen,Charles J. Hailey,W. W. Zhang,Steven E. Boggs,Daniel Stern,W. Rick Cook,Karl Forster,Paolo Giommi,Brian W. Grefenstette,Yunjin Kim,Takao Kitaguchi,Jason E. Koglin,Kristin K. Madsen,Peter H. Mao,Hiromasa Miyasaka,Kaya Mori,M. Perri,Michael J. Pivovaroff,Simonetta Puccetti,Vikram Rana,Niels Jørgen Stenfeldt Westergaard,J. L. Willis,Andreas Zoglauer,Hongjun An,Matteo Bachetti,Nicolas M. Barrière,Eric C. Bellm,Varun Bhalerao,Nicolai Brejnholt,Felix Fuerst,Carl Christian Liebe,Craig B. Markwardt,Melania Nynka,Julia Vogel,Dominic J. Walton,Daniel R. Wik,David M. Alexander,L. R. Cominsky,Ann Hornschemeier,Allan Hornstrup,Victoria M. Kaspi,Greg Madejski,Giorgio Matt,Silvano Molendi,David M. Smith,John A. Tomsick,Marco Ajello,David R. Ballantyne,Mislav Baloković,Diddier Barret,Franz E. Bauer,Roger Blandford,W. Niel Brandt,Laura Brenneman,James Chiang,Deepto Chakrabarty,Jérôme Chenevez,Andrea Comastri,Martin Elvis,Andrew C. Fabian,Duncan Farrah,Chris L. Fryer,Eric V. Gotthelf,Jonathan E. Grindlay,David J. Helfand,Roman Krivonos,David L. Meier,Jon M. Miller,Lorenzo Natalucci,Patrick Ogle,Eran O. Ofek,Andrew Ptak,Stephen P. Reynolds,Jand R. Rigby,Gianpiero Tagliaferri,Stephen E. Thorsett,Ezequiel Treister,C. Megan Urry +79 more
TL;DR: The Nuclear Spectroscopic Telescope Array (NuSTAR) as discussed by the authors is the first focusing high-energy X-ray telescope in orbit, which operates in the band from 3 - 79 keV.
Journal ArticleDOI
Experimental Tests of the "INVISIBLE" Axion
TL;DR: In this article, the existence of the invisible axion for the whole allowed range of the axion decay constant was investigated, using the cosmological abundance and clustering of axions in the halo of our galaxy.