Ackerman, N <br/><br/>
Observation of two-neutrino double-beta decay in 136Xe with the EXO-200 detector.  [electronic resource] 

 -  Physical review letters  Nov 2011 
 - 212501 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1079-7114 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.107.212501  doi