Prospects for Pentaquark Production at Meson Factories

Details Prospects for Pentaquark Production at Meson Factories Prospects for Pentaquark Production at Meson Factories

2004-01-15

arxiv.org/abs/hep-ph/0401115v4

Phys.Lett. B587 (2004) 62-68

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, LaTeX; v2,v3: minor corrections, references added; v4: minor modifications, the version published in Physics Letters

Scientific paper

10.1016/j.physletb.2004.03.003

Following Rosner [hep-ph/0312269], we consider B-decay production channels for the exotic I=0 and $I=3/2$ pentaquarks that have been recently reported. We also discuss new search channels for isovector pentaquarks, such as the $\Theta^{*++} (\bar s duuu)$, that are generically present in chiral soliton models but were not observed in recent experiments. Futhermore, we argue that weak decays of charmed baryons, such as the $\Lambda_c^+$ and $\Xi_c^0$, provide another clean way of detecting exotic baryons made of light quarks only. We also discuss discovery channels for charmed pentaquarks, such as the isosinglet $\Theta_c^0 (\bar c udud)$, in weak decays of bottom mesons and baryons. Finally, we discuss prospects for inclusive production of pentaquarks in $e^+ e^-$ collisions, with associated production of particles carrying the opposite baryon number.

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