Editing Particle physics (section)

=== Hypothetical ===
The [[graviton]] is a hypothetical particle that can mediate the gravitational interaction, but it has not been detected or completely reconciled with current theories.<ref>{{cite news |last=Sokal |first=A. |author-link=Alan Sokal |date=July 22, 1996 |title=Don't Pull the String Yet on Superstring Theory |work=[[The New York Times]] |url=https://query.nytimes.com/gst/fullpage.html?res=9D0DE7DB1639F931A15754C0A960958260 |url-status=live |access-date=March 26, 2010 |archive-url=https://web.archive.org/web/20081207212917/https://query.nytimes.com/gst/fullpage.html?res=9D0DE7DB1639F931A15754C0A960958260 |archive-date=7 December 2008}}</ref> Many other hypothetical particles have been proposed to address the limitations of the Standard Model. Notably, [[Supersymmetry|supersymmetric]] particles aim to solve the [[hierarchy problem]], [[axion]]s address the [[strong CP problem]], and various other particles are proposed to explain the origins of [[dark matter]] and [[dark energy]].