Nuclear Physics Seminars
Tuesday, November 27, 2007
Physics Building, Room 204
[Host: Donal Day]
"Pentaquarks: facts, mysteries and prospects."
I will give an introduction to the pentaquarks, possible five quark baryons. Quantum Chromodynamics does not forbid existence of such a states, however experimental evidence for their existence is controversial. The whole sitation becomes even more complicated recently as some experiments claiming the discovery of pentaquarks did not see it in a repeated high statistics data set and therefore set up an upper limits for the cross section for the production of the Theta+ baryon on the order of a few nano barn. I will discuss this and also the possibility on how one can increase the sensitivity of the measurement using Quantum Mechanical interference with other strong production channels leading to the same final state.
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