Theta_13: phenomenology, present status and prospect
Mauro Mezzetto, Thomas Schwetz

TL;DR
This paper reviews the phenomenology, current experimental status, and future prospects of the leptonic mixing angle theta_13 in neutrino physics, highlighting ongoing experiments and their expected sensitivities.
Contribution
It provides a comprehensive overview of theta_13's phenomenology, summarizes current global data, and discusses upcoming experiments and their potential to measure this angle.
Findings
Current data constrains theta_13 but does not measure it definitively.
Upcoming experiments aim to improve sensitivity to theta_13 significantly.
Global oscillation data guides future experimental strategies.
Abstract
The leptonic mixing angle theta_13 is currently a high-priority topic in the field of neutrino physics, with five experiments under way, searching for neutrino oscillations induced by this angle. We review the phenomenology of theta_13 and discuss the information from present global oscillation data. A description of the upcoming reactor and accelerator experiments searching for a non-zero value of theta_13 is given, and we evaluate the sensitivity reach within the next few years.
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