An international team of high-energy physicists says the discovery of an electrically charged subatomic particle called Zc(4020) is a sign that they have begun to unveil a whole new family of four-quark objects.
Fuente : http://www.eurekalert.org/pub_releases/2013-11/uoh...
Fuente : http://www.eurekalert.org/pub_releases/2013-11/uoh...