Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube

Article Article scientifique Article Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube eng 2021-07-08 2021 IceCube collaborator Alispach Cyril Martin 0000-0002-3791-1997 Geneva U. 861481 Département de physique nucléaire et corpusculaire (FINUC) collaborator Barbano Anastasia Geneva U. 893465 collaborator Bron Sébastien Geneva U. 97410 collaborator Lucarelli Francesco 0000-0002-9558-8788 Geneva U. 917882 collaborator Montaruli Teresa Geneva U. 755310 Département de physique nucléaire et corpusculaire (FINUC) 10.1103/PhysRevD.104.022001 2470-0010 2011.03560 https://link.aps.org/doi/10.1103/PhysRevD.104.022001 The flux of high-energy neutrinos passing through the Earth is attenuated due to their interactions with matter. The interaction rate is modulated by the neutrino interaction cross section and affects the flux arriving at the IceCube Neutrino Observatory, a cubic-kilometer neutrino detector embedded in the Antarctic ice sheet. We present a measurement of the neutrino cross section between 60 TeV and 10 PeV using the high-energy starting events (HESE) sample from IceCube with 7.5 years of data. The result is binned in neutrino energy and obtained using both Bayesian and frequentist statistics. We find it compatible with predictions from the Standard Model. Flavor information is explicitly included through updated morphology classifiers, proxies for the the three neutrino flavors. This is the first such measurement to use the three morphologies as observables and the first to account for neutrinos from tau decay. Neutrino nucleon: interaction Neutrino: flavor Neutrino: detector Neutrino: energy Neutrino nucleon: cross section Tau: decay IceCube Neutrino: flux Statistical analysis: frequentist Observatory Statistics Statistical analysis: Bayesian Ice Data analysis method Experimental results Dewey 500.2 27 Section de physique 13 false Physical review. D. 104 2 b323407f-edaf-4232-b6d8-607a4b622b5f Article (Published version) Public Article_scientifique_from_crossref.pdf 1506899 application/pdf CC BY-4.0 7ad299d52d8f8de6adb261f18503e801f6e7eac326f2d3a71bac8da179efbc0c openAccess Faculté des sciences / Section de physique

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Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube	Physical review. D.			2021	6	47

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Bron, Sébastien