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UPPER LIMITS ON THE PRODUCTION-RATE OF THE DECUPLET BARYONS DELTA AND SIGMA-STAR IN E+E- ANNIHILATION AT 34.4 GEV

Abstract:

Samples of ∼1,900 identified protons and ∼500 Λ have been used to search for decuplet baryon production in e+e- annihilation at a c.m. energy of 34.4 GeV. The p π+ and Λ π± invariant mass spectra contain no Δ or Σ* signals. Upper limits, at 95% confidence level, are that less than 12% of all p and less than 26% of all Λ come from the decay of doubly charged Δ and singly charged Σ* states respectively. These limits correspond to production rates of <0.10 Δ++ and <0.09 Σ*± per event (incl...

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Publication status:
Published

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Publisher copy:
10.1007/BF01421753

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Publisher:
Springer-Verlag
Journal:
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
Volume:
26
Issue:
2
Pages:
181-190
Publication date:
1984-01-01
DOI:
EISSN:
1434-6052
ISSN:
0170-9739
Source identifiers:
25230
Language:
English
Pubs id:
pubs:25230
UUID:
uuid:ac0665aa-f871-4220-99ca-5b9bf3dd1692
Local pid:
pubs:25230
Deposit date:
2012-12-19

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