Published In Phys. Rev. Lett. Date Fri, 03/16/2007 - 12:00 Volume 98 (11) Pages 112502 DOI 10.1103/PhysRevLett.98.112502 Refine Pb Paper Category In-Source Spectroscopy Author(s) H De Witte A N Andreyev N Barré M Bender T E Cocolios S Dean D Fedorov V N Fedoseyev L Fraile S Franchoo V Hellemans P H Heenen K Heyde G Huber M Huyse H Jeppessen U Köster P Kunz S R Lesher B A Marsh I Mukha B Roussière J Sauvage M Seliverstov I Stefanescu E Tengborn K Van de Vel J Van de Walle P Van Duppen Y Volkov