Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 52, Issue 3, Pages 507-514Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-007-0407-3
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Funding
- Science and Technology Facilities Council [PP/E000444/1] Funding Source: researchfish
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A search for narrow baryonic resonances decaying into Xi(-)pi(-) or Xi(-)pi(+) and their antiparticles is carried out with the H1 detector using deep inelastic scattering events at HERA in the range of negative photon four-momentum transfer squared 2< 100 GeV2. No signal is observed for a new baryonic state in the mass range 1600-2300 MeV in either the doubly charged or the neutral decay channels. The known.( 1530) 0 is observed through its decay mode into Xi(-)pi(+). Upper limits are given on the ratio of the production rates of new baryonic states, such as the hypothetical pentaquark states Xi(--)(5q) or Xi(0)(5q), relative to the Xi(1530)(0) baryon state.
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