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NONRELATIVISTIC QUARK-ANTIQUARK POTENTIAL: SPECTROSCOPY OF HEAVY-QUARKONIA AND EXOTIC SUSY QUARKONIA
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Date
2009-11-20
Author
IKHDAİR, SAMEER
Sever, Ramazan
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The experiments at LHC have shown that the SUSY (exotic) bound states are likely to form bound states in an entirely similar fashion as ordinary quarks form bound states, i.e. quarkonium. Also, the interaction between two squarks is due to gluon exchange which is found to be very similar to that interaction between two ordinary quarks. This motivates us to solve the Schrodinger equation with a strictly phenomenological static quark-antiquark potential: V(r) = -Ar-1 + kappa root r + V-0 using the shifted large N-expansion method to calculate the low-lying spectrum of a heavy quark with antisbottom (c)over bar>, b)over bar>) and sbottom with antisobottom ()over bar>)over bar>) bound states with m((b) over tilde) is set free. To have a full knowledge on spectrum, we also give the result for a heavier as well as for lighter sbottom masses. As a test for the reliability of these calculations, we fix the parameters of this potential by fitting the spin-triplet (n(3)S(1)) and center-of-gravity l not equal 0 experimental spectrum of the ordinary heavy quarkonia c (c) over bar, c (b) over bar, and b (b) over bar to few MeV. Our results are compared with other models to gauge the reliability of these predictions and point out differences.
Subject Keywords
Nuclear and High Energy Physics
,
Astronomy and Astrophysics
,
Atomic and Molecular Physics, and Optics
URI
https://hdl.handle.net/11511/62652
Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
DOI
https://doi.org/10.1142/s0217751x09045868
Collections
Department of Physics, Article
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S. IKHDAİR and R. Sever, “NONRELATIVISTIC QUARK-ANTIQUARK POTENTIAL: SPECTROSCOPY OF HEAVY-QUARKONIA AND EXOTIC SUSY QUARKONIA,”
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
, pp. 5341–5362, 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/62652.