Hamburg 2009 – scientific programme
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A: Fachverband Atomphysik
A 34: Poster II
A 34.57: Poster
Thursday, March 5, 2009, 16:30–19:00, VMP 9 Poster
1s Photoionization of Ne2 - Decay Mechanisms and Core Hole Localization — •K. Kreidi1,2, T. Jahnke1, Th. Weber3, T. Havermeier1, R. Grisenti1,4, X.-J. Liu5, Y. Morisita6, S. Schössler1, L. Ph. Schmidt1, M. Schöffler1, M. Odenweller1, N. Neumann1, L. Foucar1, J. Titze1, B. Ulrich1, F. Sturm1, C. Stuck1, R. Wallauer1, S. Voss1, I. Lauter1, H.-K. Kim1, M. Rudloff1, H. Fukuzawa5, G. Prümper5, N. Saito6, K. Ueda5, A. Czasch1, O. Jagutzki1, H. Schmidt-Böcking1, S. Semenov7, N. Cherepkov7, and R. Dörner1 — 1Institut für Kernphysik, J. W. Goethe Universität, Max-von-Laue-Str.1, 60438 Frankfurt,Deutschland — 2DESY, Notkestrasse 85, 22607 Hamburg, Deutschland — 3Lawrence Berkeley National Laboratory, Berkeley CA 94720, USA — 4Gesellschaft für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt, Deutschland — 5Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan — 6National Metrology Institute of Japan, AIST, Tsukuba 305-8568, Japan — 7State University of Aerospace Instrumentation, 190000 St. Petersburg, Russland
The 1s photoionization of Ne dimers was studied within the COLTRIMS technique. For this the ionic and electronic products from the photoreaction were detected with a solid angle of 4 π. Within the asymmetric charge breakup Ne2+ + Ne1+ the angular distribution of the photoelectrons as well as of the ICD electrons in the molecular system was determined to answer the question of localization or delocalization of vacancies in the Ne dimer.