Open Access

This article has an erratum: [erratum]

Issue
EPL
Volume 93, Number 6, March 2011
Article Number 61001
Number of page(s) 5
Section The Physics of Elementary Particles and Fields
DOI http://dx.doi.org/10.1209/0295-5075/93/61001
Published online 21 March 2011

© EPLA, 2011