tau lepton
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2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Bouzid Boussaha ◽  
Tariq Bitam

This paper is aimed at studying the feasibility of building an Earth-skimming cosmic tau neutrinos detector, with the aim of eventually identifying the ideal dimensions of a natural site mountain-valley for the detection of very high energy neutrinos tau range from 1 0 16 eV to 1 0 20 eV , as well as possibly locate one such site in Algeria. First, a Monte Carlo simulation of the neutrino-[mountain] matter interaction as well as the resulting decay of the tau lepton is conducted to determine the optimal dimensions of the mountain as well as the location of the tau decay in the valley. Second, a CORSIKA (COsmic Ray Simulation for KAscade) simulation with the CONEX option is conducted to track the evolution of the almost horizontal air shower initiated by the tau lepton. Many particles are produced, which are part of the shower components: electrons, muons, gammas, pions, etc. The study of the spatial distribution of these particles enables the discovery of the optimal width of the valley, and consequently, the distance at which to lay the detection network.


2021 ◽  
Author(s):  
Alejandro De Yta Hernández ◽  
Eduard De La Cruz Burelo ◽  
Michel Hernández Villanueva

2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Chengcheng Han ◽  
Tong Li ◽  
Chang-Yuan Yao

2021 ◽  
Vol 103 (9) ◽  
Author(s):  
Werner Bernreuther ◽  
Long Chen ◽  
Otto Nachtmann

2021 ◽  
Vol 81 (3) ◽  
Author(s):  
Y. Amhis ◽  
Sw. Banerjee ◽  
E. Ben-Haim ◽  
F. U. Bernlochner ◽  
M. Bona ◽  
...  

AbstractThis paper reports world averages of measurements of b-hadron, c-hadron, and $$\tau $$ τ -lepton properties obtained by the Heavy Flavour Averaging Group using results available through September 2018. In rare cases, significant results obtained several months later are also used. For the averaging, common input parameters used in the various analyses are adjusted (rescaled) to common values, and known correlations are taken into account. The averages include branching fractions, lifetimes, neutral meson mixing parameters, $$C\!P$$ C P  violation parameters, parameters of semileptonic decays, and Cabibbo–Kobayashi–Maskawa matrix elements.


2020 ◽  
Vol 102 (11) ◽  
Author(s):  
E. De La Cruz-Burelo ◽  
A. De Yta-Hernandez ◽  
M. Hernandez-Villanueva

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