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Grenoble Alpes, LPSC" } ], "person_or_org": { "family_name": "Lamblin", "given_name": "Jacob", "name": "Lamblin, Jacob", "type": "personal" } } ], "description": "The average neutrino rate of previous neutrino oscillation experiments at short distance from reactors shows a deficit of neutrinos with respect to predictions. This deficit, known as the Reactor Antineutrino Anomaly (RAA), could be explained either by incomplete input in the flux predictions or by the existence of a new neutrino state, a light sterile neutrino. The STEREO experiment aims at answering this question. Located at ten meters from the compact nuclear core of the Institut Laue-Langevin (ILL) in France, the STEREO detector is longitudinally divided in six identical cells filled with Gd-loaded liquid scintillator. Via the inverse beta decay reaction, it allows to measure the antineutrino energy spectrum at six distances from the core. The comparison of the energy spectra offers an unambiguous test of the oscillation to the hypothetical sterile neutrino. Since the end of 2016 when the detector started to take data, more than 130 days of data with reactor in operation have been accumulated. Moreover, more than 150 days with reactor stopped, essential for cosmic background measurements, have been acquired. The detector performances in terms of detector response and energy reconstruction meet the initial expectations. Thanks to an efficient detector shielding and dedicated analysis methods, the background could be reduced to reach a signal to background ratio close to 1 with about 400 neutrinos detected per day. To avoid the dependence on spectrum predictions and to get rid of systematic uncertainties related to the flux normalization, the first oscillation analysis is based on spectra ratios using the first cell as a reference.", "publication_date": "2018-06-08", "publisher": "Zenodo", "resource_type": { "id": "presentation", "title": { "de": "Pr\u00e4sentation", "en": "Presentation" } }, "rights": [ { "description": { "en": "The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited." }, "icon": "cc-by-icon", "id": "cc-by-4.0", "props": { "scheme": "spdx", "url": "https://creativecommons.org/licenses/by/4.0/legalcode" }, "title": { "en": "Creative Commons Attribution 4.0 International" } } ], "title": "Latest Results of the STEREO Experiment" }, "parent": { "access": { "owned_by": { "user": 41920 } }, "communities": { "default": "d375fd41-e6f7-471b-ab4b-19621b573da4", "entries": [ { "access": { "member_policy": "open", "members_visibility": "public", "record_policy": "open", "review_policy": "open", "visibility": "public" }, "children": { "allow": false }, "created": "2018-02-25T15:59:07.017570+00:00", "custom_fields": {}, "deletion_status": { "is_deleted": false, "status": "P" }, "id": "d375fd41-e6f7-471b-ab4b-19621b573da4", "links": {}, "metadata": { "curation_policy": "
Uploads to this community are presentation slides and posters of the Neutrino 2018 conference. All material must be uploaded to the conference system before 10th June 2018. Direct submission via Zenodo is not possible.
\r\n\r\nFor more information see:
\r\nwww.mpi-hd.mpg.de/nu2018/proceedings
The biennial conference focuses on the current status of neutrino physics, its interplay with astronomy and cosmology and the future prospects of these fields. It is organised by the Max-Planck-Institut für Kernphysik and the Karlsruhe Institute of Technology. The programme consists of invited plenary talks and contributed poster presentations.
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