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Search for exotic S=-2 baryons in pp̄ collisions at s=1.96TeV

Abstract:

A search for a manifestly exotic S=-2 baryon state decaying to Ξ-π-, and its neutral partner decaying to Ξ-π+, has been performed using 220pb-1 of pp̄ collisions at s=1.96TeV collected by the Collider Detector at Fermilab. The Ξ- trajectories were measured in a silicon tracker before their decay, resulting in a sample with low background and excellent position resolution. No evidence was found for S=-2 pentaquark candidates in the invariant mass range of 1600-2100MeV/c2. Upper limits on the p...

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Publisher copy:
10.1103/PhysRevD.75.032003

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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
75
Issue:
3
Publication date:
2007-02-08
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:4f9f3d79-0849-45a5-91db-f09e2c287ef4
Source identifiers:
117303
Local pid:
pubs:117303
Language:
English

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