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3 results on '"Miralda-Escud��, J."'

1. First results of the CAST-RADES haloscope search for axions at 34.67 $��$eV

Author

Melc��n, A. ��lvarez, Cuendis, S. Arguedas, Baier, J., Barth, K., Br��uniger, H., Calatroni, S., Cantatore, G., Caspers, F., Castel, J. F, Cetin, S. A., Cogollos, C., Dafni, T., Davenport, M., Dermenev, A., Desch, K., D��az-Morcillo, A., D��brich, B., Fischer, H., Funk, W., Gallego, J. D, Barcel��, J. M Garc��a, Gardikiotis, A., Garza, J., Gimeno, B., Gninenko, S., Golm, J., Hasinoff, M., Hoffmann, D. H. H., Irastorza, I. G., Jakov��i��, K., Kaminski, J., Karuza, M., Laki��, B., Laurent, J. M, Lozano-Guerrero, A., Luz��n, G., Malbrunot, C., Maroudas, M., Miralda-Escud��, J., Mirallas, H., Miceli, L., Navarro, P., Ozbey, A., ��zbozduman, K., Garay, C. Pe��a, Pivovaroff, M., Redondo, J., Ruz, J., Ch��liz, E. Ruiz, Schmidt, S., Schumann, M., Semertzidis, Y., Solanki, S. K, Stewart, L., Tsagris, I., Vogel, T. Vafeiadis J. K., Widmann, E., Wuensch, W., and Zioutas, K.

Subjects
High Energy Physics - Experiment (hep-ex), FOS: Physical sciences
Abstract

We present results of the Relic Axion Dark-Matter Exploratory Setup (RADES), a detector which is part of the CERN Axion Solar Telescope (CAST), searching for axion dark matter in the 34.67$��$eV mass range. A radio frequency cavity consisting of 5 sub-cavities coupled by inductive irises took physics data inside the CAST dipole magnet for the first time using this filter-like haloscope geometry. An exclusion limit with a 95% credibility level on the axion-photon coupling constant of g$_{a��}\gtrsim 4\times10^{-13} \text{GeV}^{-1}$ over a mass range of 34.6738 $��$eV < $m_a$ < 34.6771 $��$eV is set. This constitutes a significant improvement over the current strongest limit set by CAST at this mass and is at the same time one of the most sensitive direct searches for an axion dark matter candidate above the mass of 25 $��$eV. The results also demonstrate the feasibility of exploring a wider mass range around the value probed by CAST-RADES in this work using similar coherent resonant cavities., 14 pages, 9 figures. Accepted for publication in JHEP. Minor changes done compared to the previous version

Published
2021
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2. WEAVE-QSO: A Massive Intergalactic Medium Survey for the William Herschel Telescope

Author

Pieri, M. M., Bonoli, S., Chaves-Montero, J., Paris, I., Fumagalli, M., Bolton, J. S., Viel, M., Noterdaeme, P., Miralda-Escud��, J., Busca, N. G., Rahmani, H., Peroux, C., Font-Ribera, A., Trager, S. C., Collaboration, The WEAVE, Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Ingénierie des Matériaux Polymères (IMP), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Jean Monnet [Saint-Étienne] (UJM)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon, INAF - Osservatorio Astronomico di Trieste (OAT), Istituto Nazionale di Astrofisica (INAF), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Société Française d’Astronomie & d’Astrophysique (SF2A), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet [Saint-Étienne] (UJM)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université Jean Monnet - Saint-Étienne (UJM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
quasars: absorption lines, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Cosmology and Nongalactic Astrophysics (astro-ph.CO), cosmology: observations, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, large-scale structure of Universe, intergalactic medium, dark energy, distance scale, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics::Galaxy Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

In these proceedings we describe the WEAVE-QSO survey, which will observe around 400,000 high redshift quasars starting in 2018. This survey is part of a broader WEAVE survey to be conducted at the 4.2m William Herschel Telescope. We will focus on chiefly on the science goals, but will also briefly summarise the target selection methods anticipated and the expected survey plan. Understanding the apparent acceleration in the expansion of the Universe is one of the key scientific challenges of our time. Many experiments have been proposed to study this expansion, using a variety of techniques. Here we describe a survey that can measure this acceleration and therefore help elucidate the nature of dark energy: a survey of the Lyman-alpha forest (and quasar absorption in general) in spectra towards z>2 quasars (QSOs). Further constraints on neutrino masses and warm dark matter are also anticipated. The same data will also shed light on galaxy formation via study of the properties of inflowing/outflowing gas associated with nearby galaxies and in a cosmic web context. Gas properties are sensitive to density, temperature, UV radiation, metallicity and abundance pattern, and so constraint galaxy formation in a variety of ways. WEAVE-QSO will study absorbers with a dynamic range spanning more than 8 orders of magnitude in column density, their thermal broadening, and a host of elements and ionization species. A core principal of the WEAVE-QSO survey is the targeting of QSOs with near 100% efficiency principally through use of the J-PAS (r < 23.2) and Gaia (r < 20) data., 8 pages, 2 figures, proceedings of the SF2A conference, Lyon, 2016

Published
2016

3. Conceptual design of BabyIAXO, the intermediate stage towards the International Axion Observatory

Author

Abeln, A., Altenm��ller, K., Arguedas Cuendis, S., Armengaud, E., Atti��, D., Aune, S., Basso, S., Berg��, L., Biasuzzi, B., Borges De Sousa, P. T. C., Brun, P., Bykovskiy, N., Calvet, D., Carmona, J. M., Castel, J. F., Cebri��n, S., Chernov, V., Christensen, F. E., Civitani, M. M., Cogollos, C., Dafn��, T., Derbin, A., Desch, K., D��ez, D., Dinter, M., D��brich, B., Drachnev, I., Dudarev, A., Dumoulin, L., Ferreira, D. D. M., Ferrer-Ribas, E., Fleck, I., Gal��n, J., Gasc��n, D., Gastaldo, L., Giannotti, M., Giomataris, Y., Giuliani, A., Gninenko, S., Golm, J., Golubev, N., Hagge, L., Hahn, J., Hailey, C. J., Hengstler, D., Henriksen, P. L., Houdy, T., Iglesias-Marzoa, R., Iguaz, F. J., Irastorza, I. G., I��iguez, C., Jakov��i��, K., Kaminski, J., Kanoute, B., Karstensen, S., Kravchuk, L., Laki��, B., Lasserre, T., Laurent, P., Limousin, O., Lindner, A., Loidl, M., Lomskaya, I., L��pez-Alegre, G., Lubsandorzhiev, B., Ludwig, K., Luz��n, G., Malbrunot, C., Margalejo, C., Marin-Franch, A., Marnieros, S., Marutzky, F., Mauricio, J., Menesguen, Y., Mentink, M., Mertens, S., Mescia, F., Miralda-Escud��, J., Mirallas, H., Mols, J. P., Muratova, V., Navick, X. F., Nones, C., Notari, A., Nozik, A., Obis, L., Oriol, C., Orsini, F., Ortiz de Sol��rzano, A., Oster, S., Pais Da Silva, H. P., Pantuev, V., Papaevangelou, T., Pareschi, G., Perez, K., P��rez, O., Picatoste, E., Pivovaroff, M. J., Poda, D. V., Redondo, J., Ringwald, A., Rodrigues, M., Rueda-Teruel, F., Rueda-Teruel, S., Ruiz-Choliz, E., Ruz, J., Saemann, E. O., Salvado, J., Schiffer, T., Schmidt, S., Schneekloth, U., Schott, M., Segui, L., Tavecchio, F., ten Kate, H. H. J., Tkachev, I., Troitsky, S., Unger, D., Unzhakov, E., Ushakov, N., Vogel, J. K., Voronin, D., Weltman, A., Werthenbach, U., Wuensch, W., and Yanes-D��az, A.

Subjects
axion: dark matter, CP violation, Beyond Standard Model, Dark matter, axion-like particles, Other experiments, axion: solar, IAXO, sensitivity, 7. Clean energy, optics, detector: design
Abstract

Journal of high energy physics 05(5), 137 (2021). doi:10.1007/JHEP05(2021)137, This article describes BabyIAXO, an intermediate experimental stage of the International Axion Observatory (IAXO), proposed to be sited at DESY. IAXO is a large-scale axion helioscope that will look for axions and axion-like particles (ALPs), produced in the Sun, with unprecedented sensitivity. BabyIAXO is conceived to test all IAXO subsystems (magnet, optics and detectors) at a relevant scale for the final system and thus serve as prototype for IAXO, but at the same time as a fully-fledged helioscope with relevant physics reach itself, and with potential for discovery. The BabyIAXO magnet will feature two 10 m long, 70 cm diameter bores, and will host two detection lines (optics and detector) of dimensions similar to the final ones foreseen for IAXO. BabyIAXO will detect or reject solar axions or ALPs with axion-photon couplings down to g$_{a��}$ ��� 1.5 �� 10$^{���11}$ GeV$^{���1}$, and masses up to m$_{a}$ ��� 0.25 eV. BabyIAXO will offer additional opportunities for axion research in view of IAXO, like the development of precision x-ray detectors to identify particular spectral features in the solar axion spectrum, and the implementation of radiofrequency-cavity-based axion dark matter setups.[graphic not available: see fulltext], Published by SISSA, [Trieste]

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