22–29 Jul 2015
Europe/Vienna timezone

Probing the dipole moments of the tau-neutrino at high-energy $\gamma e^-$ and $\gamma\gamma$ collisions: ILC and CLIC

Not scheduled
15m
poster Neutrino Physics

Speaker

Dr Alejandro Gutierrez-Rodriguez (Universidad Autónoma de Zacatecas)

Description

In this work we study the potential of the processes $e^+e^- \to e^+\gamma e^- \to e^+\tau \bar\nu_\tau \nu_e $ and $e^+e^- \to e^+\gamma \gamma e^- \to e^+\nu_\tau \bar\nu_\tau e^- $ at a future high-energy and high-luminosity linear electron positron collider, such as the ILC and CLIC to study the sensibility on the anomalous magnetic and electric dipole moments of the tau-neutrino. For integrated luminosity of 590 $fb^{-1}$ and center-of-mass energy of 3 $TeV$, we derive $95 \%$ C. L. limits on the dipole moments: $\mu_{\nu_\tau}\leq 1.44 \times 10^{-6}\mu_B$ and $d_{\nu_\tau}\leq 2.78 \times 10^{-17}\hspace{1mm} e\hspace{0.5mm} cm$ in the $\gamma e^-$ collision mode and of $\mu_{\nu_\tau}\leq 3.4 \times 10^{-7}\mu_B$ and $d_{\nu_\tau}\leq 6.56 \times 10^{-18}\hspace{1mm} e\hspace{0.5mm}cm$ with the $\gamma\gamma$ collision mode, improving the existing limits.

Author

Dr Alejandro Gutierrez-Rodriguez (Universidad Autónoma de Zacatecas)

Co-authors

Dr A. A. Billur (Deparment of Physics, Cumhuriyet University, Turkey) Dr M. Koksal (Deparment of Physics, Cumhuriyet University, Turkey)

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