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Nonthermal p / π Ratio at LHC as a Consequence of Hadronic Final State Interactions
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Medium modification of jet fragmentation in Au+Au collisions at sqrt(s_NN) = 200 GeV measured in direct photon-hadron correlations
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First Search for Exotic Z Boson Decays into Photons and Neutral Pions in Hadron Collisions
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Jet-Hadron Correlations in root s=200 GeV p + p and Central Au + Au Collisions
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Next-to-Leading-Order Forward Hadron Production in the Small- x Regime: The Role of Rapidity Factorization
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Soft Gluon Resummations in Dijet Azimuthal Angular Correlations in Hadronic Collisions
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QCD inequalities for hadron interactions
We derive here generalizations of the Weingarten-Witten QCD mass inequalities for particular multihadron systems. For systems of any number of identical pseudoscalar mesons of maximal isospin, these inequalities prove that near threshold interactions between the constituent mesons must be repulsive and that no bound states can form in these channels. Similar constraints in less symmetric systems are also extracted. These results are compatible with experimental results (where known) and recent lattice QCD calculations, and also lead to a more stringent bound on the nucleon mass than previously derived, ${m}_{N}{\ge}\frac{3}{2}{m}_{{\pi}}$.
New Exotic Meson and Baryon Resonances from Doubly Heavy Hadronic Molecules
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Study of B Meson Production in p + Pb Collisions at s N N = 5.02 TeV Using Exclusive Hadronic Decays
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Evidence for Exotic Hadron Contributions to Λ b 0 → J / ψ p π – Decays
A full amplitude analysis of Λ 0 b →J/ψpπ – decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 fb –1 . A significantly better description of the data is achieved when, in addition to the previously observed nucleon excitations N→pπ – , either the P c (4380) + and P c (4450) + →J/ψp states, previously observed in Λ 0 b →J/ψpK – decays, or the Z c (4200) – →J/ψπ – state, previously reported in B 0 →J/ψK + π – decays, or all three, are included in the amplitude models. The data support a model containing all three exotic states, with a significance of more than three standard deviations. Within uncertainties, the data are consistent with the P c (4380) + and P c (4450) + production rates expected from their previous observation taking account of Cabibbo suppression.
Rescattering Effects in the Hadronic-Light-by-Light Contribution to the Anomalous Magnetic Moment of the Muon
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