Hori, M <br/><br/>
Observation of cold, long-lived antiprotonic helium ions.  [electronic resource] 

 -  Physical review letters  Feb 2005 
 - 063401 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-9007 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.94.063401  doi