Richichi, S J <br/><br/>
Search for the decay upsilon(1S) --> gammaeta(').  [electronic resource] 

 -  Physical review letters  Oct 2001 
 - 141801 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-9007 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.87.141801  doi