Eur. Phys. J. C, 50 2 (2007) 423-429
Published online: 15 February 2007
DOI: 10.1140/epjc/s10052-007-0210-1
You can advise a colleague about this article by filling this form below.
Your colleague will receive an e-mail containing your message and a link to the selected article.
Here is the text to be sent:
[Your name] recommends the following article: