Melić, Blaženka; Passek-Kumerički, Kornelija; Trampetić, Josip (2005) Quarkonia decays into two photons induced by space-time noncommutativity. Physical Review D, 72 (5). 054004-1-054004-6. ISSN 1550-7998
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Official URL: http://link.aps.org/doi/10.1103/PhysRevD.72.054004
Abstract
In this article we propose standard model strictly forbidden decay modes, quarkonia ((Q) over barQ(1)(--)=J/psi,Upsilon) decays into two photons, as a possible signature of space-time noncommutativity. 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.
| Item Type: | Article | ||||||||
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| Uncontrolled Keywords: | standard model; non-commutativity; gauge-theories; sector; bounds | ||||||||
| Subjects: | NATURAL SCIENCES > Physics NATURAL SCIENCES > Physics > Astronomy and Astrophysics |
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| Divisions: | Theoretical Physics Division | ||||||||
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| Depositing User: | Blaženka Melić | ||||||||
| Date Deposited: | 29 May 2013 14:50 | ||||||||
| URI: | http://fulir.irb.hr/id/eprint/540 | ||||||||
| DOI: | 10.1103/PhysRevD.72.054004 |
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