Alain Cavaillou

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We report the final results of the Phase II SIMPLE measurements, comprising two run stages of 15 superheated droplet detectors each, with the second stage including an improved neutron shielding. The analyses include a refined signal analysis, and revised nucleation efficiency based on a reanalysis of previously reported monochromatic neutron irradiations.(More)
We report results of a 14.1   kg d measurement with 15 superheated droplet detectors of total active mass 0.208 kg, comprising the first stage of a 30 kg d Phase II experiment. In combination with the results of the neutron-spin sensitive XENON10 experiment, these results yield a limit of |a(p)|<0.32 for M(W)=50 GeV/c² on the spin-dependent sector of weakly(More)
The permanent operation of a 3 axes SQUID magnetometer in the LSBB below 550m of calcite rock is a unique system of magnetic observation: a rejection rate better than 3fT/√Hz over 40Hz. The observation of magneto-ionosphere responses to P wave emissions both at the epicentre and at their arrival at LSBB for earthquakes of magnitude larger than 3 is(More)
TA GIRARD, F. GIULIANI, J.I. COLLAR, T. MORLAT, D. LIMAGNE, G. WAYSAND, M. AUGUSTE, D. BOYER, A. CAVAILLOU, H.S. MILEY, M. DA COSTA, R.C. MARTINS, J.G. MARQUES, A.R. RAMOS, A.C. FERNANDES, J. PUIBASSET, AND C. OLIVEIRA Centro de Física Nuclear, Universidade de Lisboa, 1649–003 Lisbon, Portugal Department of Physics, University of Chicago, Chicago IL, 60637(More)
SQUIDs can be used to monitor the three vector components of the geomagnetic field to a high precision at very low frequencies, yet as they are susceptible to external interference, the accuracy to which they can track changes in the dc field over long periods has been unclear. We have carried out simultaneous measurements of the geomagnetic field recorded(More)
The karstic system of the ‘Fontaine de Vaucluse’ has been investigated for many years to get a better understanding of its global functioning. Yet, until now, the Unsaturated Zone (UZ) of this aquifer has been studied indirectly. With the access to the UZ provided by the galleries of the Low-Noise Underground Laboratory of Rustrel in France (LSBB), five(More)
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