Тяжёлые адроны ФИАН / 9
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Exotic states in B0 → J/ψ φ K0S decay
2023 LHCb https://arxiv.org/abs/2301.04899
New resonance decaying to J/ψ K0S
Significance 4σ, mass very close to
If assumed isospin partner, 5.4σ
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Di-J/ψ resonances: fully charmed tetraquark
https://arxiv.org/abs/2006.16957
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Di-J/ψ resonances (CMS, ATLAS)
https://cms-results.web.cern.ch/cms-results/public-results/preliminary-results/BPH-21-003/index.html https://cds.cern.ch/record/2815676 https://inspirehep.net/literature/2652212
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Pentaquarks – exotic baryons
LHCb: Pc(4312)+, Pc(4337)+, Pc(4380)+, Pc(4440)+, Pc(4457)+ decaying into J/ψ p from Λ0b→J/ψpK and B0s→J/ψ p pbar
2015 https://arxiv.org/abs/1507.03414 2019 https://arxiv.org/abs/1904.03947 2021 https://arxiv.org/abs/2108.04720
250K Λb0 decays, x9 of the 1st analysis
Pc(4380)+ Г~200 MeV
Pc(4450)+ Г~40 MeV
Nothing at 4312?
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Pentaquarks
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Pentaquarks
CMS
https://inspirehep.net/literature/1743799
LHCb 2022:
6D amplitude fit
https://inspirehep.net/literature/2678048 |
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New naming convention proposal
https://arxiv.org/pdf/2206.15233.pdf
Manifestly 100% exotic states: |
Issues with the current naming scheme |
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New naming convention proposal
https://arxiv.org/pdf/2206.15233.pdf
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New naming convention proposal
https://arxiv.org/pdf/2206.15233.pdf
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New hadrons at LHC
https://www.nikhef.nl/~pkoppenb/particles.html
https://arxiv.org/pdf/2207.05141.pdf Theoretical overview on exotica
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