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2 results on '"Brauninger, H."'

1. Search for solar axions: the CAST experiment at CERN

Author

Beltran, Berta, Andriamonje, S., Arsov, V., Aune, S., Autiero, D., Avignone, F., Barth, K., Belov, A., Brauninger, H., Carmona, J. M., Cebrian, S., Chesi, E., Collar, J. I., Creswick, R., Dafni, T., Davenport, M., Di Lella, L., Eleftheriadis, C., Englhauser, J., Fanourakis, G., Farach, H., Ferrer, E., Fischer, H., Franz, J., Friedrich, P., Geralis, T., Giomataris, I., Gninenko, S., Goloubev, N., Hartmann, R., Hasinoff, M. D., Fritz-Herbert Heinsius, Hoffmann, D. H. H., Irastorza, I. G., Jacoby, J., Kang, D., Konigsmann, Kay, Kotthaus, R., Krcmar, M., Kousouris, K., Kuster, M., Lakic, B., Lasseur, C., Liolios, A., Ljubicic, A., Lutz, G., Luzon, G., Miller, David Wilkins, Morales, A., Morales, J., Mutterer, M., Nikolaidis, A., Ortiz, A., Papaevangelou, T., Placci, A., Raffelt, G., Ruz, J., Riege, H., Sarsa, M. L., Savvidis, I., Serber, W., Serpico, P., Semertzidis, Y., Stewart, L., Vieira, J. D., Villar, J., Walckiers, L., Zachariadou, K., Zioutas, K., Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Girod, Dominique

Subjects
[PHYS.ASTR.SR] Physics [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], Physics::Instrumentation and Detectors, [SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], High Energy Physics::Phenomenology, [SDU.ASTR.SR] Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], solar axions, dark matter, low background, [PHYS.ASTR.SR]Physics [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], Particle Physics - Experiment, ComputingMilieux_MISCELLANEOUS
Abstract

Hypothetical axion-like particles with a two-photon interaction would be produced in the sun by the Primakoff process. In a laboratory magnetic field they would be transformed into X-rays with energies of a few keV. The CAST experiment at CERN is using a decommissioned LHC magnet as an axion helioscope in order to search for these axion-like particles. The analysis of the 2003 data has shown no signal above the background, thus implying an upper limit to the axion-photon coupling < 1.16*10^{-10} GeV^{-1} at 95% CL for m_{a}

Published
2005

2. CAST: a search for solar axions at CERN

Author

Andriamonje, S., Arik, E., Autiero, D., Avignone, F., Barth, K., Bingol, E., Brauninger, H., Brodzinski, R., Carmona, J., Chesi, E., Cebrian, S., Cetin, S., Cipolla, G., Creswick, R., Dafni, T., Davenport, M., de Oliveira, R., Dedoussis, S., Di Lella, L., Eleftheriadis, C., Fanourakis, G., Farach, H., Ferrer, E., Fischer, H., Formenti, F., Geralis, T., Giomataris, I., Gninenko, S., Goloubev, N., Hartmann, R., Hasinoff, M., Hoffmann, D., Irastorza, I.G., Jacoby, J., Kang, D., Konigsmann, K., Kotthaus, R., Krcmar, M., Kuster, M., Lakic, B., Liolios, A., Ljubicic, A., Lutz, G., Luzon, G., Miley, H., Morales, A., Morales, J., Mutterer, M., Nicolaidis, A., Ortiz, A., Papaevangelou, T., Placci, A., Raffelt, G., Riege, H., Sarsa, M., Savvidis, I., Schopper, R., Semertzidis, Y.K., Spano, C., Stipcevic, M., Vasileiou, V., Villar, J., Vullierme, B., Walckiers, L., Zachariadou, K., Zioutas, K., Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Flores, Sylvie

Subjects
Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Astrophysics (astro-ph), FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Astrophysics, High Energy Physics - Experiment, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], High Energy Physics - Phenomenology, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), [PHYS.ASTR.CO] Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

The new axion helioscope at CERN started acquiring data during September of 2002: CAST (Cern Axion Solar Telescope) employs a decommissioned LHC dipole magnet to convert putative solar axions or axion-like particles into detectable photons. The unprecedented dipole magnet intensity and length (9.5 T, 10 m) results in a projected sensitivity that surpasses astrophysical constraints on these particles for the first time, increasing the chance of discovery. The use of X-ray focusing optics and state-of-the-art detector technology has led to an extremely low background for an experiment above ground. A brief status report is given, with emphasis on the tracking and control system and possible future extensions., Comment: Presented at the SPIE conference on Astronomical Telescopes and Instrumentation, Waikoloa, Hawaii, 2002. 5 pages, 4 figures

Published
2002

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