First results from the CAST experiment

  • T. Dafni
  • , S. Andriamonje
  • , V. Arsov
  • , S. Aune
  • , D. Autiero
  • , K. Barth
  • , A. Belov
  • , B. Beltrán
  • , H. Bräuninger
  • , J. Carmona
  • , S. Cebrián
  • , E. Chesi
  • , J. Collar
  • , M. Davenport
  • , L. Di Lella
  • , C. Eleftheriadis
  • , J. Englhauser
  • , G. Fanourakis
  • , E. Ferrer
  • , H. Fischer
  • J. Franz, P. Friedrich, T. Geralis, I. Giomataris, S. Gninenko, N. Goloubev, M. Hasinoff, F. H. Heinsius, D. H.H. Hoffmann, I. G. Irastorza, J. Jacoby, D. Kang, K. Königsmann, R. Kotthaus, M. Krcmar, K. Kousouris, M. Kuster, B. Lakić, C. Lasseur, A. Liolios, A. Ljubicić, G. Lutz, G. Luzón, D. Miller, A. Morales, J. Morales, A. Ortiz, T. Papaevangelou, A. Placci, G. Raffelt, J. Ruz, H. Riege, M. Sarsa, I. Savvidis, Y. Semertzidis, W. Serber, P. Serpico, L. Stewart, J. Vieira, J. Villar, L. Walckiers, K. Zioutas

Research output: Contribution to journalArticlepeer-review

Abstract

The CAST Experiment commenced its first phase of solar axion-searching in 2003, and ran successfully for two years. In the transverse field of a decommissioned Large Hadron Collider (LHC) test magnet (9.26m, 9T), the CERN Axion Solar Telescope intends to transform axions -that would be produced in the sun- into X-rays with energies of a few keV. The first results from the analysis of the data taken in 2003 show no signature of axions, implying an upper limit to the axion-photon coupling g 1.16 × 10-10 GeV-1 at 95% C.L. for ma < 0.02 eV, already a factor 100 better than previous searches. In Phase I the twin bores of the magnet were kept in vacuum. In Phase II (due to start in November 2005) the bores of the magnet will be filled with a buffer gas, which will allow CAST to explore the region of higher axion masses.

Original languageEnglish (US)
Article number024
Pages (from-to)117-119
Number of pages3
JournalJournal of Physics: Conference Series
Volume39
Issue number1
DOIs
StatePublished - Apr 1 2006
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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