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Albrecht, H.; Childers, R.; Darden, C.W.; Drews, G.; Hasemann, H.; Schmidt-Parzefall, W.; Schroeder, H.; Schulz, H.D.; Selonke, F.; Steinmann, E.
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)1982
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)1982
AbstractAbstract
[en] The reaction e+e- → hadrons has been measured in the UPSILON and UPSILON' region using the DASP detector at the DESY storage ring DORIS. The following final results are obtained: Rsub(had) (9.5 GeV) = 3.73 +- 0.16 +- 0.28, GAMMAsub(ee)(UPSILON) = (1.23 +- 0.08 +- 0.12) keV, Bsub(μμ)(UPSILON) = (= 3.2 +- 1.3 +- 0.3)%, GAMMAsub(ee)GAMMAsub(had)/GAMMAsub(tot)(UPSILON) = (0.55 +- 0.11 +- 0.06) keV, and M(UPSILON')-M(UPSILON) = (556 +- 10) MeV. (orig.)
Primary Subject
Source
Jun 1982; 9 p
Record Type
Report
Literature Type
Numerical Data
Report Number
Country of publication
BOSONS, CROSS SECTIONS, DATA, DECAY, ELEMENTARY PARTICLES, ENERGY RANGE, GEV RANGE, HADRONS, INFORMATION, INTERACTIONS, LEPTON-LEPTON INTERACTIONS, MESON RESONANCES, MESONS, NUMERICAL DATA, PARTICLE DECAY, PARTICLE INTERACTIONS, PARTICLE PROPERTIES, RESONANCE PARTICLES, UPSILON RESONANCES, VECTOR MESONS
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