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CHARGED PION-PRODUCTION IN E+E- ANNIHILATION AT 14,22 AND 34 GEV CM ENERGY

Abstract:

The inclusive production of π± mesons in e+e- annihilation has been measured at c.m. energies of 14, 22 and 34 GeV for pion momenta between 0.3 ans 10 GeV/c. The fraction of pions among the charged hadrons is above 90% at 0.4 GeV/c and decreases to about 50% at high momenta. The scaled cross sections ( s β) dσ dx at 14, 22 and 34 GeV as well as the 5.2 GeV data from DASP have a rather similar x dependence. After integration over the x range from 0.2 to 0.6 the cross sections indicate a monoto...

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Publication status:
Published

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Authors


BRANDELIK, R More by this author
BRAUNSCHWEIG, W More by this author
KIRSCHFINK, F More by this author
LUBELSMEYER, K More by this author
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Journal:
PHYSICS LETTERS B
Volume:
113
Issue:
1
Pages:
98-104
Publication date:
1982
DOI:
ISSN:
0370-2693
URN:
uuid:a8f64ec7-f2a6-4ca9-b523-446490f5f525
Source identifiers:
3716
Local pid:
pubs:3716
Language:
English

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