دورية أكاديمية
Unveiling the outer core composition with neutrino oscillation tomography
| العنوان: | Unveiling the outer core composition with neutrino oscillation tomography |
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| المؤلفون: | Maderer, L., Kaminski, E., Coelho, J.A.B., Bourret, S., van Elewyck, V. |
| المساهمون: | AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut de Physique du Globe de Paris (IPGP), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut universitaire de France (IUF), Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.), ANR-18-IDEX-0001,Université de Paris,Université de Paris(2018), ANR-10-LABX-0023,UnivEarthS,Earth - Planets - Universe: observation, modeling, transfer(2010) |
| المصدر: | Front.Earth Sci. ; https://hal.science/hal-03760818Test ; Front.Earth Sci., 2023, 11, pp.1008396. ⟨10.3389/feart.2023.1008396⟩ |
| بيانات النشر: | HAL CCSD |
| سنة النشر: | 2023 |
| مصطلحات موضوعية: | neutrino: atmosphere, neutrino: detector, neutrino: oscillation, neutrino: flux, hydrogen, oxygen, density, silicon, geophysics, alloy, velocity, experimental methods, numerical calculations: Monte Carlo, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det] |
| الوصف: | International audience ; In the last 70 years, geophysics has established that the Earth's outer core is an FeNi alloy containing a few percent of light elements, whose nature and amount remain controversial today. Besides the classical combinations of silicon and oxygen, hydrogen has been advocated as the only light element that could account alone for both the density and velocity profiles of the outer core. Here we show how this question can be addressed from an independant viewpoint, by exploiting the tomographic information provided by atmospheric neutrinos, weakly-interacting particles produced in the atmosphere and constantly traversing the Earth. We evaluate the potential of the upcoming generation of atmospheric neutrino detectors for such a measurement, showing that they could efficiently detect the presence of 1 wt% of hydrogen in an FeNi core in 50 years of concomitant data taking. We then identify the main requirements for a next-generation detector to perform this measurement in a few years timescale, with the further capability to efficiently discriminate between FeNiH and FeNiSi(x)O(y) models in less than 15 years. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | info:eu-repo/semantics/altIdentifier/arxiv/2208.00532; hal-03760818; https://hal.science/hal-03760818Test; https://hal.science/hal-03760818/documentTest; https://hal.science/hal-03760818/file/feart-11-1008396.pdfTest; ARXIV: 2208.00532; INSPIRE: 2129769 |
| DOI: | 10.3389/feart.2023.1008396 |
| الإتاحة: | https://doi.org/10.3389/feart.2023.1008396Test https://hal.science/hal-03760818Test https://hal.science/hal-03760818/documentTest https://hal.science/hal-03760818/file/feart-11-1008396.pdfTest |
| حقوق: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.53B267B5 |
| قاعدة البيانات: | BASE |
| DOI: | 10.3389/feart.2023.1008396 |
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