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Search for baryonic resonances decaying to Xi pi in deep-inelastic scattering at HERA.

Aktas, A. and Alexa, C. and Henderson, Rob C. W. and Sloan, T. and The H1 Collaboration, et al. (2007) Search for baryonic resonances decaying to Xi pi in deep-inelastic scattering at HERA. European Physical Journal C: Particles and Fields, 52 (3). pp. 507-514. ISSN 1434-6044

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Abstract

A search for narrow baryonic resonances decaying into Ξ-π- or Ξ-π+ 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 < Q2 < 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 Ξ(1530)0 is observed through its decay mode into Ξ-π+. Upper limits are given on the ratio of the production rates of new baryonic states, such as the hypothetical pentaquark states Ξ– 5q or Ξ0 5q, relative to the Ξ(1530)0 baryon state.

Item Type: Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 18663
Deposited By: ep_ss_importer
Deposited On: 29 Oct 2008 13:25
Refereed?: Yes
Published?: Published
Last Modified: 10 Jun 2013 15:51
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18663

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