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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<strong>Double</strong> <strong>Beta</strong> <strong>Decay</strong><br />
<strong>Double</strong> <strong>Beta</strong> <strong>Decay</strong><br />
<strong>Neutrino</strong>-less double beta decay<br />
Very rare decay T 1/2 > (~10 25 years)<br />
nucleus<br />
If observed<br />
<strong>Neutrino</strong> → Majorana particle<br />
Lept<strong>on</strong> number violati<strong>on</strong><br />
<strong>Decay</strong> rate T 1/2 ∝ 1/m<br />
2<br />
<br />
We have studied double beta decay of 48 Ca<br />
<strong>Neutrino</strong>-less<br />
double beta decay<br />
<br />
<br />
<br />
UMEHARA Saori, 16 th Nov. 2011, DBD11
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