dorsal/arxiv
View SchemaTowards Earth AntineutRino TomograpHy (EARTH)
| Authors | R. J. de Meijer, F. D. Smit, F. D. Brooks, R. W. Fearick, H. J. Woertche, F. Mantovani |
|---|---|
| Categories | |
| ArXiv ID | physics/0607049 |
| URL | https://arxiv.org/abs/physics/0607049 |
| DOI | 10.1007/s11038-006-9104-8 |
Abstract
The programme Earth AntineutRino TomograpHy (EARTH) proposes to build ten underground facilities each hosting a telescope. Each telescope consists of many detector modules, to map the radiogenic heat sources deep in the interior of the Earth by utilising direction sensitive geoneutrino detection. Recent hypotheses target the core-mantle boundary (CMB) as a major source of natural radionuclides and therefore of radiogenic heat. A typical scale of the processes that take place at the CMB is about 200km. To observe these processes from the surface requires an angular resolution of about 3 degrees. EARTH aims at creating a high-resolution 3D-map of the radiogenic heat sources in the interior of the Earth. It will thereby contribute to a better understanding of a number of geophysical phenomena observed at the surface of the Earth. This condition requires a completely different approach from the monolithic detector systems as e.g. KamLAND. This paper presents, for such telescopes, the boundary conditions set by physics, the estimated count rates, and the first initial results from Monte Carlo simulations and laboratory experiments. The Monte Carlo simulations indicate that the large volume telescope should consist of detector modules each comprising a very large number of detector units, with a cross section of roughly a few square centimetres. The signature of an antineutrino event will be a double pulse event. One pulse arises from the slowing down of the emitted positron, the other from the neutron capture. In laboratory experiments small sized, 10B-loaded liquid scintillation detectors were investigated as candidates for direction sensitive, low-energy antineutrino detection.
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"abstract": "The programme Earth AntineutRino TomograpHy (EARTH) proposes to build ten\nunderground facilities each hosting a telescope. Each telescope consists of\nmany detector modules, to map the radiogenic heat sources deep in the interior\nof the Earth by utilising direction sensitive geoneutrino detection. Recent\nhypotheses target the core-mantle boundary (CMB) as a major source of natural\nradionuclides and therefore of radiogenic heat. A typical scale of the\nprocesses that take place at the CMB is about 200km. To observe these processes\nfrom the surface requires an angular resolution of about 3 degrees. EARTH aims\nat creating a high-resolution 3D-map of the radiogenic heat sources in the\ninterior of the Earth. It will thereby contribute to a better understanding of\na number of geophysical phenomena observed at the surface of the Earth. This\ncondition requires a completely different approach from the monolithic detector\nsystems as e.g. KamLAND.\n This paper presents, for such telescopes, the boundary conditions set by\nphysics, the estimated count rates, and the first initial results from Monte\nCarlo simulations and laboratory experiments. The Monte Carlo simulations\nindicate that the large volume telescope should consist of detector modules\neach comprising a very large number of detector units, with a cross section of\nroughly a few square centimetres. The signature of an antineutrino event will\nbe a double pulse event. One pulse arises from the slowing down of the emitted\npositron, the other from the neutron capture. In laboratory experiments small\nsized, 10B-loaded liquid scintillation detectors were investigated as\ncandidates for direction sensitive, low-energy antineutrino detection.",
"arxiv_id": "physics/0607049",
"authors": [
"R. J. de Meijer",
"F. D. Smit",
"F. D. Brooks",
"R. W. Fearick",
"H. J. Woertche",
"F. Mantovani"
],
"categories": [
"physics.geo-ph",
"physics.ins-det"
],
"doi": "10.1007/s11038-006-9104-8",
"title": "Towards Earth AntineutRino TomograpHy (EARTH)",
"url": "https://arxiv.org/abs/physics/0607049"
},
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