Pentaquark searches at FOCUS

Abstract

We find no evidence for high-energy photoproduction of pentaquarks at 1540 MeV/$c^2$, 1862 MeV/$c^2$, or 3099 MeV/$c^2$ using decay modes $p{K}_S^0$, ${\Xi }^{-}{\pi }^{-}$, and $D^{(\ast )-}p$, respectively.

Proceedings from talk at 2004 DPF Meeting at University of California, Riverside

Cited by in corpus (17)

• Production of $\Sigma (1385{)}^{\pm }$ and $\Xi (1530{)}^0$ in proton-proton collisions at $\sqrt{s}=$ 7 TeV
• Search for ${\Theta }^{+}(1540)$ pentaquark in high statistics measurement of $\gamma p\to {\bar{K}}^0{K}^{+}n$ at CLAS
• Search for the ${\Theta }^{+}$ pentaquark in the reactions $\gamma p\to {\bar{K}}^0{K}^{+}n$ and $\gamma p\to {\bar{K}}^0{K}^{0}p$
• Pentaquark Theta^+(1540) production in gamma N --> K Anti-K N
• Search for the Theta+ pentaquark in the gamma d -> Lambda n K+ reaction measured with CLAS
• Improved study of a possible Theta+ production in the pp -> p K0 sigma+ reaction with the COSY-TOF spectrometer
• On the Existence of Heavy Pentaquarks: The large Nc and Heavy Quark Limits and Beyond
• Spin 3/2 Penta-quarks in anisotropic lattice QCD
• A lattice study of the pentaquark states
• Search for the pentaquark candidate ${\Theta }^{+}$(1540) in the hyperon beam experiment WA89
• Search for Higher Flavor Multiplets in Partial Wave Analyses
• Search for Exotic S=-2 Baryons in proton-antiproton Collisions at sqrt(s) = 1.96 TeV
• Heptaquarks with two heavy antiquarks in a simple chromomagnetic model
• SU(3) systematization of baryons
• Micro-canonical pentaquark production in $\ee$ annihilations
• Possibility of determinig the parity of the pentaquark ${\Theta }^{+}$ from photoproduction near threshold
• Upper limits for the photoproduction cross section for the Phi--(1860) pentaquark state off the deuteron