Measuring the prompt atmospheric neutrino flux with down-going muons in neutrino telescopes

2003 ◽  
Vol 67 (1) ◽  
Author(s):  
Graciela Gelmini ◽  
Paolo Gondolo ◽  
Gabriele Varieschi
Keyword(s):  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
Neutrino Telescopes

scholarly journals Sterile Neutrinos with Neutrino Telescopes

Universe ◽  
2021 ◽  
Vol 7 (11) ◽  
pp. 426
Author(s):  
Carlos A. Argüelles ◽  
Jordi Salvado
Keyword(s):  
Liquid Scintillator ◽  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
Electron Neutrino ◽  
Anthropogenic Sources ◽  
Current Status ◽  
Neutrino Experiment ◽  
Sterile Neutrinos ◽  
Short Baseline ◽  
Neutrino Telescopes

Searches for light sterile neutrinos are motivated by the unexpected observation of an electron neutrino appearance in short-baseline experiments, such as the Liquid Scintillator Neutrino Detector (LSND) and the Mini Booster Neutrino Experiment (MiniBooNE). In light of these unexpected results, a campaign using natural and anthropogenic sources to find the light (mass-squared-difference around 1 eV2) sterile neutrinos is underway. Among the natural sources, atmospheric neutrinos provide a unique gateway to search for sterile neutrinos due to the broad range of baseline-to-energy ratios, L/E, and the presence of significant matter effects. Since the atmospheric neutrino flux rapidly falls with energy, studying its highest energy component requires gigaton-scale neutrino detectors. These detectors—often known as neutrino telescopes since they are designed to observe tiny astrophysical neutrino fluxes—have been used to perform searches for light sterile neutrinos, and researchers have found no significant signal to date. This brief review summarizes the current status of searches for light sterile neutrinos with neutrino telescopes deployed in solid and liquid water.

scholarly journals The Antares And Km3Net Neutrino Telescopes: Status And Outlook For Acoustic Studies

2019 ◽  
Vol 216 ◽  
pp. 01004
Author(s):  
Véronique Van Elewyck
Keyword(s):  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
High Energy ◽  
Neutrino Telescope ◽  
Mass Hierarchy ◽  
Neutrino Mass Hierarchy ◽  
Neutrino Telescopes ◽  
Cosmic Neutrino ◽  
Under Construction

The ANTARES detector has been operating continuously since 2007 in the Mediterranean Sea, demonstrating the feasibility of an undersea neutrino telescope. Its superior angular resolution in the reconstruction of neutrino events of all flavors results in unprecedented sensitivity for neutrino source searches in the southern sky at TeV energies, so that valuable constraints can be set on the origin of the cosmic neutrino flux discovered by theIceCube detector. The next generation KM3NeT neutrino telescope is now under construction, featuring two detectors with the same technology but different granularity: ARCA designed to search for high energy (TeV-PeV) cosmic neutrinos and ORCA designed to study atmospheric neutrino oscillations at the GeV scale, focusing on the determination of the neutrino mass hierarchy. Both detectors use acoustic devices for positioning calibration, and provide testbeds for acoustic neutrino detection.

scholarly journals Prompt atmospheric neutrino flux

2017 ◽  
Author(s):  
Yu Seon Jeong ◽  
Atri Bhattacharya ◽  
Rikard Enberg ◽  
C.S. Kim ◽  
Mary Hall Reno ◽  
...  
Keyword(s):  
Atmospheric Neutrino ◽  
Neutrino Flux

scholarly journals On te Reduction of the Error in the Calculation of Low Energy (<1GeV) Atmospheric Neutrino Flux

2019 ◽  
Author(s):  
Morihiro Honda ◽  
M Sajjad Athar ◽  
T. Kajita ◽  
K. Kasahara ◽  
S. Midorikawa ◽  
...  
Keyword(s):  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
Low Energy

scholarly journals Improving the prediction of the Atmospheric neutrino flux using the atmospheric muon flux

2019 ◽  
Vol 208 ◽  
pp. 07001
Author(s):  
Morihiro Honda
Keyword(s):  
Energy Range ◽  
Energy Region ◽  
Test Bench ◽  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
Interaction Model ◽  
Muon Flux ◽  
Atmospheric Neutrinos ◽  
Hadronic Interaction ◽  
Atmospheric Muon

It is well known that the correlation of atmospheric neutrinos and muons are simply correlated in the energy region of 1–10 GeV, and used for the test bench of the hadronic interaction model used for the calculation of the atmospheric neutrino flux. However, the correlation becomes unclear for neutrinos in the energy range below 1 GeV, which is important for the study of mass ordering of neutrino and CP phase of the neutrino mass. We extend the study of the correlation to the lower neutrino energies and find that the atmospheric muon flux observed at high altitude shows a good correlation to the atmospheric neutrino flux, and could be used to calibrate the hadronic interaction model.

scholarly journals Production asymmetry of open charm mesons within unfavoured ragmentation scenario

2019 ◽  
Vol 199 ◽  
pp. 04007
Author(s):  
Rafał Maciuła
Keyword(s):  
Light Quark ◽  
Atmospheric Neutrino ◽  
Neutrino Flux ◽  
Meson Production ◽  
Lhcb Collaboration ◽  
Charm Mesons ◽  
Measured Asymmetry ◽  
Fragmentation Probability ◽  
Fragmentation Functions ◽  
Production Asymmetry

We consider unfavoured light quark/antiquark to D meson fragmentation. We discuss nonperturbative effects for small transverse momenta. The asymmetry for D+ and D- production measured by the LHCb collaboration provides natural constraints on the parton (quark/antiquark) fragmentation functions. We find that already a fraction of $q/\overline q \to D$ fragmentation probability is sufficient to account for the measured asymmetry. Large D-meson production asymmetries are found for large xF which is related to dominance of light quark/antiquark $q/\overline q \to D$ fragmentation over the standard c → D fragmentation. As a consequence, prompt atmospheric neutrino flux at high neutrino energies can be much larger than for the conventional c → D fragmentation. The latter can constitute a sizeable background for the cosmic neutrinos claimed to be observed recently by the IceCube Observatory.

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