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CERN Document Server 2,049 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.63 secondes. 
1.
(100)
Probing eV-scale axions with CAST / CAST Collaboration
We have searched for solar axions or other pseudoscalar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) setup. Whereas we previously have reported results from CAST with evacuated magnet bores (Phase I), setting limits on lower mass axions, here we report results from CAST where the magnet bores were filled with \hefour gas (Phase II) of variable pressure. [...]
arXiv:0810.4482.- 2009 - 17 p. - Published in : JCAP 02 (2009) 008 Fulltext: PDF; IOP Open Access article: PDF; External link: Preprint
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2.
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Search for 14.4 keV solar axions emitted in the M1-transition of $^{57}$Fe nuclei with CAST / CAST collaboration
We have searched for 14.4 keV solar axions or more general axion-like particles (ALPs), that may be emitted in the M1 nuclear transition of 57Fe, by using the axion-to-photon conversion in the CERN Axion Solar Telescope (CAST) with evacuated magnet bores (Phase I). From the absence of excess of the monoenergetic X-rays when the magnet was pointing to the Sun, we set model-independent constraints on the coupling constants of pseudoscalar particles that couple to two photons and to a nucleon g_{a\gamma} |-1.19 g_{aN}^{0}+g_{aN}^{3}|<1.36\times 10^{-16} GeV^{-1} for m_{a}<0.03 eV at the 95% confidence level..
arXiv:0906.4488; SLAC-PUB-14825.- 2009 - 20 p. - Published in : JCAP 12 (2009) 002 Fulltext: PDF; External link: SLAC Document Server
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3.
(87)
Status and perspectives of the CAST experiment / CAST Collaboration
The CERN Axion Solar Telescope (CAST) is currently the most sensitive axion helioscope designed to search for axions produced by the Primakoff process in the solar core. CAST is using a Large Hadron Collider (LHC) test magnet where axions could be converted into X-rays with energies up to 10 keV. [...]
2012 - 4 p.

In : 12th International Conference on Topics in Astroparticle and Underground Physics, Munich, Germany, 5 - 9 Sep 2011, pp.022001
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4.
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New solar axion search in CAST with $^4$He filling / CAST Collaboration
The CERN Axion Solar Telescope (CAST) searches for $a\to\gamma$ conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward the Sun. Two parallel magnet bores can be filled with helium of adjustable pressure to match the X-ray refractive mass $m_\gamma$ to the axion search mass $m_a$. [...]
arXiv:1503.00610.- 2015-07-28 - 6 p. - Published in : Phys. Rev. D 92 (2015) 021101(R) APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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5.
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CAST search for sub-eV mass solar axions with $^{3}$He buffer gas / CAST Collaboration
The CERN Axion Solar Telescope (CAST) has extended its search for solar axions by using 3He as a buffer gas. At T=1.8 K this allows for larger pressure settings and hence sensitivity to higher axion masses than our previous measurements with 4He. [...]
arXiv:1106.3919.- 2011 - 5 p. - Published in : Phys. Rev. Lett. 107 (2011) 261302 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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6.
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Results and perspectives of the solar axion search with the CAST experiment / CAST Collaboration
The status of the solar axion search with the CERN Axion Solar Telescope (CAST) will be presented. [...]
arXiv:1209.6347. - 2012 - 4.
Preprint - Full text
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7.
(80)
Search for low Energy solar Axions with CAST / CAST Collaboration
We have started the development of a detector system, sensitive to single photons in the eV energy range, to be suitably coupled to one of the CAST magnet ports. This system should open to CAST a window on possible detection of low energy Axion Like Particles emitted by the sun. [...]
arXiv:0809.4581.- 2008 - 5 p. - Published in : 10.3204/DESY-PROC-2008-02/cantatore_giovanni_lea Fulltext: arXiv:0809.4581 - PDF; 0809.4581 - PDF; cantatore_giovanni_lea - PDF; External link: Preprint
In : 4th Patras Workshop on Axions, WIMPs and WISPs, Hamburg, Germany, 18 - 21 Jun 2008, pp.43-47
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8.
(78)
Search for Solar Axions with the CAST-Experiment / Vogel, J. (Freiburg U.) ; Arik, E. (Dogus U., Kadikoy) ; Aune, S. (CEA, DSM, Saclay) ; Autiero, D. (CERN) ; Barth, K. (CERN) ; Belov, A. (Moscow, INR) ; Beltran, B. (U. Zaragoza (main)) ; Borghi, S. (CERN) ; Bourlis, G. ; Boydag, F. S. (Dogus U., Kadikoy) et al.
Solar axions can be produced in the Sun via the so-called Primakoff effect. The CERN Axion Solar Telescope (CAST) uses an LHC prototype magnet of about 9 T to reconvert these axions into photons. [...]
2008 - Published in : 10.1142/9789812819093_0049
In : 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy, 8 - 12 Oct 2007, pp.282-286
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9.
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Solar axion search with the CAST experiment / Borghi, S (CERN ; Glasgow U.) ; Arik, E (Dogus U., Kadikoy ; Bogazici U.) ; Aune, S (IRFU, Saclay) ; Autiero, D (CERN ; Lyon, IPN) ; Barth, K (CERN) ; Belov, A (Moscow, INR) ; Beltrán, B (Zaragoza U.) ; Bourlis, G (Hellenic Open U., Patras) ; Boydag, F S (Dogus U., Kadikoy ; Bogazici U.) ; Bräuninger, H (Garching, Max Planck Inst., MPE) et al. /CAST
The CAST (CERN Axion Solar Telescope) experiment is searching for solar axions by their conversion into photons inside the magnet pipe of a LHC prototype dipole. In the phase II, CAST is operating with a buffer gas inside the magnet bore apertures in order to extent the sensitivity of the experiment to larger axion masses. [...]
Paris, France : Moriond, 2008 - 8 p. - Published in : , pp. 465-472 Fulltext: PDF;
In : 43rd Rencontres de Moriond, La Thuile, Italy, 01 - 08 Mar 2008, pp.465-472
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10.
(73)
Search for Solar Axions by the CERN Axion Solar Telescope with 3 He Buffer Gas: Closing the Hot Dark Matter Gap / CAST collaboration
The CERN Axion Solar Telescope (CAST) has finished its search for solar axions with 3^He buffer gas, covering the search range 0.64 eV < m_a <1.17 eV. This closes the gap to the cosmological hot dark matter limit and actually overlaps with it. [...]
arXiv:1307.1985.- 2014-03-04 - 6 p. - Published in : Phys. Rev. Lett. 112 (2014) 091302 APS published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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