Quarkonia decays into two photons induced by the space-time non-commutativity (CROSBI ID 117303)
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Podaci o odgovornosti
Melić, Blaženka ; Passek-Kumerički, Kornelija ; Trampetić, Josip
engleski
Quarkonia decays into two photons induced by the space-time non-commutativity
In this article we propose standard model strictly forbidden decay modes, quarkonia (QQ(1^{; ; ; ; ; --}; ; ; ; ; ) = J/psi, Upsilon) decays into two photons, as a possible signature of the space-time non- commutativity. An experimental discovery of J/psi -> gamma gamma and/or Upsilon -> gamma gamma processes would certainly indicate a violation of the Landau-Pomeranchuk-Yang theorem and a definitive appearance of new physics.
non-commutativity; decay
[arXiv:hep-ph/0503133]
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Podaci o izdanju
72
2005.
054004-1-054004-6
objavljeno
1550-7998
10.1103/PhysRevD.72.054004