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Search for exotic baryons in 800 GeV/c pppX

D C Christian1, J Felix2, E E Gottschalk1, G Gutierrez1, E P Hartouni3, B C Knapp4, M N Kreisler5, G Moreno2, M A Reyes2, M Sosa2, M H L S Wang1 and A Wehmann1

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We present preliminary results of the search for the pentaquark candidates Θ(1540) and Ξ(1862) using data from Fermilab experiment E690 in the reaction pppX at 800 GeV/c. We find that production of pentaquark resonances is heavily suppressed with respect to the production of normal baryon and antibaryon resonances.


PACS

13.75.Cs Nucleon-nucleon interactions (including antinucleons, deuterons, etc.)

14.20.-c Baryons (including antiparticles)

12.38.-t Quantum chromodynamics

14.40.-n Mesons

Subjects

Particle physics and field theory

Dates

Issue 1 (2006)



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