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talk - International Workshop on Double Beta Decay and Neutrino

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Result of Enrichment<br />

Isotope Enrichment with L<strong>on</strong>ger Migrati<strong>on</strong> Time (Length)<br />

~7hours<br />

1m migrati<strong>on</strong> length<br />

larger (volume of Ca)<br />

higher (isotopic ratio)<br />

l<strong>on</strong>ger<br />

~70hours<br />

20m<br />

larger<br />

higher<br />

l<strong>on</strong>ger<br />

~250hours<br />

200m<br />

Isotope Effect<br />

by Crown-ether<br />

max: 0.0026<br />

Amount of Enrichment by Crown Ether<br />

Isotope Effect (Enrichment Effect)<br />

・The l<strong>on</strong>ger migrati<strong>on</strong> time(length) =<br />

the larger volume <strong>and</strong> the higher isotopic ratio<br />

・ 48 Ca enrichment → next CANDLE system<br />

Natural isotopic ratio<br />

= 0.0019

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