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Measurement of the Spin of the Omega(-) Hyperon
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BABAR Collaboration (Including:
). (2006) Measurement of the Spin of the Omega(-) Hyperon. Physical Review Letters, Vol.97 (No.11). Article: 112001. doi:10.1103/PhysRevLett.97.112001 ISSN 0031-9007.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.97.112001
Abstract
A measurement of the spin of the Omega(-) hyperon produced through the exclusive process Xi(0)(c)->Omega K--(+) is presented using a total integrated luminosity of 116 fb(-1) recorded with the BABAR detector at the e(+)e(-) asymmetric-energy B factory at SLAC. Under the assumption that the Xi(0)(c) has spin 1/2, the angular distribution of the Lambda from Omega(-)->Lambda K- decay is inconsistent with all half-integer Omega(-) spin values other than 3/2. Lower statistics data for the process Omega(0)(c)->Omega(-)pi(+) from a 230 fb(-1) sample are also found to be consistent with Omega(-) spin 3/2. If the Xi(0)(c) spin were 3/2, an Omega(-) spin of 5/2 could not be excluded.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review Letters | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 15 September 2006 | ||||
Dates: |
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Volume: | Vol.97 | ||||
Number: | No.11 | ||||
Number of Pages: | 7 | ||||
Page Range: | Article: 112001 | ||||
DOI: | 10.1103/PhysRevLett.97.112001 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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