BABAR Publications

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CONF-04/036 Search for Strange Pentaquark Production in e^+e^- Annihilations at sqrt{s}=10.58 GeV and in Upsilon(4S) Decays
Doc Type Conference Submissions
Record Created July 30, 2004
SLAC-PUB
SLAC-PUB-10598  No citations
Preprint # hep-ex/0408064
Abstract 
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We present a preliminary inclusive search for strange pentaquark production in
e+e- interactions at a center-of-mass energy of 10.58 GeV using
123 fb-1 of data collected with the BaBar detector.
We look for the states that have been reported previously:
the Theta+(1540), interpreted as a ududsbar state; and the
Xi--(1860) and Xi0(1860), 
candidate dsdsubar and uss(uubar+ddbar) states, respectively.
In addition we search for other members of the antidecuplet and corresponding 
octet to which these states are thought to belong.
We find no evidence for the production of such states and set
preliminary limits on their production cross sections as functions of
c.m. momentum.
The corresponding limits on the Theta+(1540) and Xi--(1860) rates per
e+e- to qqbar event are well below the rates measured for
ordinary baryons of similar mass.
Revisions and Files 1 revised July 30, 2004
File Date
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16-AUG-2004 abstract.txt Abstract txt 0.82
16-AUG-2004 babar-conf-0436.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 1,336.76 uploaded to ICHEP (rnc)
16-AUG-2004 babar-conf-0436.ps Paper (journal paper or conference submission by BABAR Collaboration) ps.gz 1,710.25
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Submitted To2004 International Conference on High Energy Physics
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