Production asymmetry of $\nu_{\tau}$ neutrinos and ${\overline \nu}_{\tau}$ antineutrinos from a fixed target experiment SHiP

21 Oct 2019 Maciula Rafal Szczurek Antoni Zaremba Jakub Babiarz Izabela

We discuss how to calculate cross sections as well as rapidity, transverse momentum and energy distributions of $\nu_{\tau}$ and ${\overline \nu}_{\tau}$ produced from the direct $D_s^{\pm} \to \nu_{\tau}/{\overline \nu}_{\tau}$ and chain $D_s^{\pm} \to \tau^+/\tau^- \to \nu_{\tau}/{\overline \nu}_{\tau}$ decays in $p\!+^{96}\!\mathrm{Mo}$ scattering with proton beam $E_{\mathrm{lab}}$ = 400 GeV \textit{i.e.} at $\sqrt{s}_{NN}$ = 27.4 GeV. The $\tau$ decays are simulated with the help of the \textsc{Tauola} code and include multiple decay channels of $\tau$ in amounts proportional to their branching ratios... (read more)

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  • HIGH ENERGY PHYSICS - PHENOMENOLOGY