Search for Pentaquarks in the Hadronic Decays of the Z Boson with the DELPHI Detector at LEP

Journal Article · Sat Feb 11 00:00:00 EST 2006 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2176498· OSTI ID:20798085

Gavillet, Ph ^[1]

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1. PH Department, CERN, CH-1211 Geneva (Switzerland)

Recent evidence for pentaquark states has been published, in particular for a strange pentaquark {theta}+(1540), for a double-strange state called {xi}(1862)-- and for a charmed state {theta}c(3100)0. Such states should be produced in e+e- annihilations in Z decays. In this paper a search for pentaquarks using the DELPHI detector is described. Preliminary upper limits at 95% C.L. are set on the production rates per Z decay of such particles and their charge-conjugate state.

• OSTI ID: 20798085
• Journal Information: AIP Conference Proceedings, Vol. 814, Issue 1; Conference: 11. international conference on hadron spectroscopy, Rio de Janeiro (Brazil), 21-26 Aug 2005; Other Information: DOI: 10.1063/1.2176498; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
CHARM PARTICLES
ELECTRON-POSITRON INTERACTIONS
HADRONIC PARTICLE DECAY
LEP STORAGE RINGS
MULTIPARTICLE SPECTROMETERS
PARTICLE IDENTIFICATION
QUARKS
WEAK HADRONIC DECAY
XI BARYONS
Z NEUTRAL BOSONS