Comprehensive approach to tau-lepton production by high-energy tau neutrinos propagating through the Earth

Jaime Alvarez-Mu?iz; Washington R. Carvalho Jr.; Kévin PayetAndrés Romero-WolfHarm SchoorlemmerEnrique Zas

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Comprehensive approach to tau-lepton production by high-energy tau neutrinos propagating through the Earth

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There has been a recent surge in interest in the detection of τ-lepton-induced air showers from detectors at altitude. When a τ neutrino (ν_τ) enters the Earth, it produces τ leptons as a result of nuclear chargedcurrent interactions. In some cases, this process results in a τ lepton exiting the surface of the Earth, which can subsequently decay in the atmosphere and produce an extensive air shower. These upward-going air showers can be detected via fluorescence, optical Cherenkov, or geomagnetic radio emission. Several experiments have been proposed to detect these signals. We present a comprehensive simulation of the production of τ leptons by ν_τ's propagating through Earth to aid the design of future experiments. These simulations for ν_τ's and leptons in the energy range from 1015 eV to 10~(21) eV treat the full range of incidence angles from Earth-skimming to diametrically traversing. Propagation of ν_τ 's and leptons includes the effects of rock and an ocean or ice layer of various thicknesses. The interaction models include ν_τ regeneration and account for uncertainties in the Standard Model neutrino cross section and in the photonuclear contribution to the τ energy-loss rate.

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来源
《Physical review, D》 |2018年第2期|023021-1-023021-13|共13页
作者
Jaime Alvarez-Mu?iz; Washington R. Carvalho Jr.; Kévin PayetAndrés Romero-WolfHarm SchoorlemmerEnrique Zas;
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作者单位

Departamento de Física de Partículas and Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;

Instituto de Física, Universidade de S?o Paulo, Rua do Mat?o, 1371 CEP 05508-090 Cidade Universitária, S?o Paulo, Brazil;

Université Joseph Fourier (Grenoble I);

Currently at La Javaness, 75010 Paris, FranceJet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USAMax-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany;

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正文语种英语
中图分类粒子物理学;场论;
关键词
Comprehensive approach; tau-lepton production; propagating through the Earth;

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Comprehensive approach to tau-lepton production by high-energy tau neutrinos propagating through the Earth

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