talk - International Workshop on Double Beta Decay and Neutrino
talk - International Workshop on Double Beta Decay and Neutrino
talk - International Workshop on Double Beta Decay and Neutrino
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no day/night effect<br />
matter effects of neutrinos crossing the<br />
earth could enhance the night rate by<br />
regenerati<strong>on</strong> of electr<strong>on</strong> neutrinos<br />
depends <strong>on</strong>:<br />
oscillati<strong>on</strong> parameters <strong>and</strong> neutrino energy<br />
Source<br />
Adn error<br />
Live-time < 5 x 10 -4<br />
7<br />
Be = 0.04 ± 0.57 events/day/100t<br />
210<br />
Po = -21.8 ± 0.9 events/day/100t<br />
7<br />
Be spectrum (arbitrary units)<br />
Night - Day spectrum<br />
Cut efficiency 0.001<br />
210<br />
Bi time variati<strong>on</strong> ± 0.005<br />
Fit procedure ± 0.005<br />
Sys error 0.007<br />
A dn =0.001 ± 0.012 (stat) ± 0.007 (syst)<br />
Andrea Pocar - DBD11 - November 15, 2011 21
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