Studying Neutrino Directionality with Double Chooz

Abstract

The first results from Double Chooz with 100 days of data measured ${\sin }^2(2{\theta }_{13})=0.086\pm 0.051$. Backgrounds contribute significantly to the systematic uncertainty budget. Using the incoming neutrino directionality we will attempt to further separate the inverse beta decay signal from backgrounds. The CHOOZ experiment completed a similar analysis and found that the neutrino source can be located to within a cone of half-aperture of 18 degrees at the 68% C.L. We study the possible improvement of this result by Double Chooz.

4 pages, 2 figures, contribution to the proceedings for 47th Rencontres de Moriond EW session

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