TauRunner: A public Python program to propagate neutral and charged leptons

Safa, Ibrahim; Lazar, Jeffrey; Pizzuto, A.; Vásquez, Oswaldo; Argüelles, C.; Vandenbroucke, J.

doi:10.1016/j.cpc.2022.108422

Cited by 13 publications

(7 citation statements)

References 53 publications

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“…e.g. [63,64,65,66,60,67]. Though PEANUTS v1.0 does not yet provide all the functionalities that other software tools have, it vastly outperforms them in speed, which can be a critical factor in e.g.…”

Section: Discussionmentioning

confidence: 99%

PEANUTS: a software for the automatic computation of solar neutrino flux and its propagation within Earth

Gonzalo¹,

Lucente²

2023

Preprint

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We present PEANUTS (Propagation and Evolution of Active NeUTrinoS), an open-source Python package for the automatic computation of solar neutrino spectra and active neutrino propagation through Earth. PEANUTS is designed to be fast, by employing analytic formulae for the neutrino propagation through varying matter density, and flexible, by allowing the user to input arbitrary solar models, custom Earth density profiles and general detector locations. It provides functionalities for a fully automated simulation of solar neutrino fluxes at a detector, as well as access to individual routines to perform more specialised computations. The software has been extensively tested against the results of the SNO experiment, providing excellent agreement with their results. In addition, the present text contains a pedagogical derivation of the relations needed to compute the oscillated solar neutrino spectra, neutrino propagation through Earth and nadir exposure of an experiment.

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Section: Discussionmentioning

confidence: 99%

PEANUTS: a software for the automatic computation of solar neutrino flux and its propagation within Earth

Gonzalo¹,

Lucente²

2023

Preprint

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“…Other experiments that rely on Earth-skimming tau neutrinos have larger effective volumes and are sensitive to even higher energy neutrinos, in part through neutrino flux attenuation in the Earth. Much progress has been made in recent years in the modeling of neutrino propagation in the Earth [234,[544][545][546]. These simulation codes will be useful tools to test the standard model and BSM neutrino cross sections inputs.…”

Section: Cross Sectionsmentioning

confidence: 99%

High-energy and ultra-high-energy neutrinos: A Snowmass white paper

Bustamante¹,

Ackermann²,

Agarwalla

et al. 2022

Journal of High Energy Astrophysics

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“…Decoherence effects introduce muon neutrino disappearance (ν µ → ν e and ν µ → ν τ ), and also increased fluxes of ν τ at all energies that exhibit a complex oscillation phenomenology. High-energy ν τ undergoing CC interactions produce a τ ± lepton, which decays weakly to a lower energy ν τ as well as producing secondary neutrinos of all flavors, including additional ν µ [23,27]. These secondary neutrinos also oscillate, and in the case of the secondary ν τ lead to further regeneration.…”

Section: Decoherence In Neutrino Oscillationsmentioning

confidence: 99%

In-situ estimation of ice crystal properties at the South Pole using LED calibration data from the IceCube Neutrino Observatory

Abbasi

Ackermann²,

Adams³

et al. 2022

Preprint

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Abstract. The IceCube Neutrino Observatory instruments about 1 km3 of deep, glacial ice at the geographic South Pole using 5160 photomultipliers to detect Cherenkov light emitted by charged relativistic particles. A unexpected light propagation effect observed by the experiment is an anisotropic attenuation, which is aligned with the local flow direction of the ice. Birefringent light propagation has been examined as a possible explanation for this effect. The predictions of a first-principles birefringence model developed for this purpose, in particular curved light trajectories resulting from asymmetric diffusion, provide a qualitatively good match to the main features of the data. This in turn allows us to deduce ice crystal properties. Since the wavelength of the detected light is short compared to the crystal size, these crystal properties do not only include the crystal orientation fabric, but also the average crystal size and shape, as a function of depth. By adding small empirical corrections to this first-principles model, a quantitatively accurate description of the optical properties of the IceCube glacial ice is obtained. In this paper, we present the experimental signature of ice optical anisotropy observed in IceCube LED calibration data, the theory and parametrization of the birefringence effect, the fitting procedures of these parameterizations to experimental data as well as the inferred crystal properties.

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TauRunner: A public Python program to propagate neutral and charged leptons

Cited by 13 publications

References 53 publications

PEANUTS: a software for the automatic computation of solar neutrino flux and its propagation within Earth

PEANUTS: a software for the automatic computation of solar neutrino flux and its propagation within Earth

High-energy and ultra-high-energy neutrinos: A Snowmass white paper

In-situ estimation of ice crystal properties at the South Pole using LED calibration data from the IceCube Neutrino Observatory

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