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Mössbauer and μSR studies of the rare earth magnetic ordering in high $T_c$ superconductors
/ de Reotier, P Dalmas (Grenoble, INP) ; Vulliet, P (Grenoble, INP ; Joseph Fourier U.) ; Yaouanc, A (Grenoble, INP) ; Hartmann, O (Uppsala U.) ; Karlsson, E (Uppsala U.) ; Wappling, R (Uppsala U.) ; Chaudouet, P ; Garçon, S (Joseph Fourier U., ENSEIG/INPG) ; Senateur, J P (Grenoble, ENSPG) ; Weiss, F (Grenoble, ENSPG) et al.
We have studied the magnetism of the Gd sub-lattice by μSR and $^{155}$Gd Mössbauer spectroscopy from 65 mK to 3 K. The normalized local magnetic field at the two nuclear probes has the same temperature dependence which strongly deviates from a Curie-Weiss mean field behavior. [...]
1988 - 2 p.
- Published in : Physica C 153-155 (1988) 1541-1542
In : International Conference on High-temperature Superconductors and Materials and Mechanisms of Superconductivity, Interlaken, Switzerland, 29 Feb - 4 Mar 1988, pp.1541-1542
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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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ebook
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An update on the Axion Helioscopes front: current activities at CAST and the IAXO project
/ Dafni, T (Zaragoza U.) ; Arik, M (Dogus U., Kadikoy) ; Armengaud, E (IRFU, SPhN, Saclay) ; Aune, S (IRFU, Saclay) ; Avignone, F T (South Carolina U.) ; Barth, K (CERN) ; Belov, A (Moscow, INR) ; Betz, M (CERN) ; Bräuninger, H (Garching, Max Planck Inst., MPE) ; Brax, P (CERN) et al.
Although they have not yet been detected, axions and axion-like particles (ALPs) continue to maintain the interest (even increasingly so) of the rare-event searches community as viable candidates for the Dark Matter of the Universe but also as a solution for several other puzzles of astrophysics. Their property of coupling to photons has inspired different experimental methods for their detection, one of which is the helioscope technique. [...]
2016 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 273-275 (2016) 244-249
In : 37th International Conference on High Energy Physics, Valencia, Spain, 2 - 9 Jul 2014, pp.244-249
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6.
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EURECA – setting the scene for scintillators
/ Kraus, H (Oxford U.) ; Armengau, E. (IRFU, Saclay) ; Bauer, M. (Tubingen U.) ; Bavykina, I. (Munich, Max Planck Inst.) ; Benoit, A. (Grenoble, CRTBT) ; Bento, A. (Munich, Max Planck Inst.) ; Blumer, J. (Karlsruhe U., EKP ; Karlsruhe, Forschungszentrum) ; Bornschein, L. (Karlsruhe U., EKP) ; Broniatowski, A. (CSNSM, Orsay) ; Burghart, G. (CERN) et al.
EURECA (European Underground Rare Event Calorimeter Array) will be an astro-particle physics facility aiming to directly detect galactic dark matter. The Laboratoire Souterrain de Modane has been selected as host laboratory. [...]
2009
In : 1st International Workshop on Radiopure Scintillators for EURECA, Kiev, Ukraine, 9 - 10 Sep 2008, pp.7-11
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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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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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