Heavy tetraquarks production at the LHC
In the current work, spectroscopy and the possibility of observation at the LHC of tetraquarks composed of four heavy quarks are discussed. The tetraquarks concerned are T sub(4)c = [cc][cc], T sub(4)b = [bb] [bb], and T sub(2[)bc] = [bc][bc]. By solving the nonrelativistic Schrodinger equation, mas...
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| Veröffentlicht in: | Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-08, Vol.86 (3), Article 034004 |
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| container_title | Physical review. D, Particles, fields, gravitation, and cosmology |
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| creator | Berezhnoy, A. V. Luchinsky, A. V. Novoselov, A. A. |
| description | In the current work, spectroscopy and the possibility of observation at the LHC of tetraquarks composed of four heavy quarks are discussed. The tetraquarks concerned are T sub(4)c = [cc][cc], T sub(4)b = [bb] [bb], and T sub(2[)bc] = [bc][bc]. By solving the nonrelativistic Schrodinger equation, masses of these states are found with the hyperfine splitting that is accounted for. It is shown that masses of tensor tetraquarks T sub(4c)(2 super(++)) and T sub(2[)bc](2 super(++)) are high enough to observe these states as peaks in the invariant mass distributions of heavy quarkonia pairs in pp arrow right T sub(4c) + X arrow right 2J/[psi] + X, pp arrow right T sub(2[)bc] + X arrow right 2B sub(c) + X and pp arrow right T sub(2[)bc] + X arrow right J/[psi][Upsilon] + X channels, while T sub(4)b is under the threshold of decay into a vector bottomonia pair. |
| doi_str_mv | 10.1103/PhysRevD.86.034004 |
| format | Article |
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| source | American Physical Society Journals |
| subjects | Channels Cosmology Decay Gravitation Invariants Mass distribution Mathematical analysis Schroedinger equation Vectors (mathematics) |
| title | Heavy tetraquarks production at the LHC |
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