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PROPERTIES OF HADRON FINAL-STATES IN E+E- ANNIHILATION AT 13 GEV AND 17 GEV CENTER OF MASS ENERGIES

Abstract:

We have observed e+e- hadrons at C.M. energies of 13 GeV and 17 GeV at PETRA using the TASSO detector. We find R(13 GeV) = 5.6 ± 0.7 and R(17 GeV) = 4.0 ± 0.7. The additional systematic uncertainty is 20%. Comparing inclusive charged hadron spectra we observe scaling between 5 GeV and 17 GeV for x = p/pbeam > 0.2; however the 13 GeV cross section is above the 17 GeV cross section for smaller x. This may be due to copious bb̄ production. The events become increasingly jet like at high energ...

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Publication status:
Published

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Journal:
Physics Letters B
Volume:
83
Issue:
2
Pages:
261-266
Publication date:
1979-01-01
DOI:
ISSN:
0370-2693
Source identifiers:
18606
Language:
English
Pubs id:
pubs:18606
UUID:
uuid:878048e7-8fe3-461d-a6e9-ba2197f9d778
Local pid:
pubs:18606
Deposit date:
2012-12-19

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