Aubert, B;
Barate, R;
Boutigny, D;
Couderc, F;
Karyotakis, Y;
Lees, JP;
Poireau, V;
... Neal, H; + view all
(2005)
Search for strange-pentaquark production in e(+)e(-) annihilation at root s=10.58 GeV.
PHYS REV LETT
, 95
(4)
, Article 042002. 10.1103/PhysRevLett.95.042002.
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Abstract
We search for strange-pentaquark states that have been previously reported by other experiments-the Theta(1540)(+), Xi(5)(1860)(--), and Xi(5)(1860)(0)-in 123 fb(-1) of data recorded with the BABAR detector at the PEP-II e(+)e(-) storage ring. We find no evidence for these states and set 95% confidence level upper limits on the number of Theta(1540)(+) and Xi(5)(1860)(--) pentaquarks produced per e(+)e(-) annihilation into q (q) over bar and per Upsilon(4S) decay. For q (q) over bar events the Theta(1540)(+) [Xi(5)(1860)(--)] limit is about 8 [4] times lower than the rates measured for ordinary baryons of similar mass.
| Type: | Article |
|---|---|
| Title: | Search for strange-pentaquark production in e(+)e(-) annihilation at root s=10.58 GeV |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.95.042002 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.95.042002 |
| Language: | English |
| Additional information: | © 2005 The American Physical Society |
| Keywords: | POSITIVE-STRANGENESS, PHOTOPRODUCTION, RESONANCE, BARYON, DETECTOR, PHYSICS, STATE, MASS |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1303728 |
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