Calculation of high energy neutrino-nucleon cross sections and uncertainties using the Martin-Stirling-Thorne-Watt parton distribution functions and implications for future experiments

2011/02/28 by A. Connolly, Amy Connolly, R. S. Thorne +2 · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Distribution (mathematics) #High-Energy Particle Collisions Research #Neutrino #Nuclear physics #Nucleon #Particle physics #Particle physics theoretical and experimental studies #Parton #Physics #Power (physics) #Quantum chromodynamics #Stirling engine #Watt #astro-ph.IM #hep-ph

paper · pdf · doi:10.1103/physrevd.83.113009

published as Phys.Rev.D83:113009,2011 · 20 pages, 13 figures, 5 tables, published in Phys.Rev.D. This version fixes a typo in Equation 16 of the publication. Also since version v1, the following changes are in v2 and also in the published version: tables with cs values, parametrization of the y distribution at low-y improved, the discussions on likelihood and also earth absorption are expanded, added a needed minus sign in Eq. 17 of v1

openalex publication_date 2011/06/21 · arxiv created 2011/08/16 · arxiv updated 2011/08/17 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We present a new calculation of the cross sections for charged current and neutral current \ensuremathνN and \ensuremathνN interactions in the neutrino energy range 10⁴<E_\ensuremathν<10¹² GeV using the most recent Martin-Stirling-Thorne-Watt (MSTW) parton distribution functions (PDFs), MSTW 2008. We also present the associated uncertainties propagated from the PDFs, as well as parametrizations of the cross section central values, their uncertainty bounds, and the inelasticity distributions for ease of use in Monte Carlo simulations. For the latter we only provide parametrizations for energies above 10⁷ GeV. Finally, we assess the feasibility of future neutrino experiments to constrain the \ensuremathνN cross section in the ultrahigh energy regime using a technique that is independent of the flux spectrum of incident neutrinos. A significant deviation from the predicted standard model cross sections could be an indication of new physics, such as extra space-time dimensions, and we present expected constraints on such models as a function of the number of events observed in a future subterranean neutrino detector.

Citations

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