Recherche des oscillations de neutrinos par apparition du τ avec désintégration muonique du vτ dans l'expérience OPERA
Identifieur interne : 004C34 ( Main/Merge ); précédent : 004C33; suivant : 004C35Recherche des oscillations de neutrinos par apparition du τ avec désintégration muonique du vτ dans l'expérience OPERA
Auteurs : Ngoc Tiem Tran [France]Source :
Descripteurs français
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Abstract
The physics of neutrino oscillations plays a major role in studies concerned with cetteparticule. The mechanism of oscillations, based on a change of state of a neutrino flavor during sapropagation, elucidates the deficits observed solar and atmospheric neutrinos and provides indicationsintéressantes of physics beyond the Standard Model by studying the angles mixtures and mass desneutrinos.OPERA scheme is a hybrid sensor combining both latechnique an electronic real-time detection technology and the cloud chamber emulsion or ECC (EmulsionCloud chamber). The ECC is a solid detector detector (target) consisting of bricks dontchacune 150000 consists of sheets of lead, used as a target, with alternate nuclear emulsion whose traces laprécision reconstruction is of the order of one micron. The detector also includes two spectromètresavec magnetized iron plates 5 cm alternating with RPC (Resistive Plate Chamber) detectors associated with six sets of drift tubes (PT) to measure the charge and momentum of the muon thickness and plan vetoservant the rejection of foreign particles to the target.
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The mechanism of oscillations, based on a change of state of a neutrino flavor during sapropagation, elucidates the deficits observed solar and atmospheric neutrinos and provides indicationsintéressantes of physics beyond the Standard Model by studying the angles mixtures and mass desneutrinos.OPERA scheme is a hybrid sensor combining both latechnique an electronic real-time detection technology and the cloud chamber emulsion or ECC (EmulsionCloud chamber). The ECC is a solid detector detector (target) consisting of bricks dontchacune 150000 consists of sheets of lead, used as a target, with alternate nuclear emulsion whose traces laprécision reconstruction is of the order of one micron. The detector also includes two spectromètresavec magnetized iron plates 5 cm alternating with RPC (Resistive Plate Chamber) detectors associated with six sets of drift tubes (PT) to measure the charge and momentum of the muon thickness and plan vetoservant the rejection of foreign particles to the target.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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