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Measuring Changes i...
Measuring Changes in the Atmospheric Neutrino Rate over Gigayear Timescales
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Jordan, Johnathon R. (författare)
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- Baum, Sebastian (författare)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),Stanford University, USA
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- Stengel, Patrick (författare)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Ferrari, Alfredo (författare)
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Morone, Maria Cristina (författare)
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Sala, Paola (författare)
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Spitz, Joshua (författare)
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(creator_code:org_t)
- 2020
- 2020
- Engelska.
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Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 125:23
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Measuring the cosmic ray flux over timescales comparable to the age of the Solar System, similar to 4.5 Gyr, could provide a new window on the history of the Earth, the Solar System, and even our Galaxy. We present a technique to indirectly measure the rate of cosmic rays as a function of time using the imprints of atmospheric neutrinos in paleo-detectors, natural minerals that record damage tracks from nuclear recoils. Minerals commonly found on Earth are less than or similar to 1 Gyr old, providing the ability to look back across cosmic ray history on timescales of the same order as the age of the Solar System. Given a collection of differently aged samples dated with reasonable accuracy, this technique is particularly well-suited to measuring historical changes in the cosmic ray flux at Earth and is broadly applicable in astrophysics and geophysics.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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