THRUST DISTRIBUTIONS AND DECAYS OF THE UPSILON BOUND STATES

Peterson, D. ; Bohringer, T. ; Franzini, P. ; et al.
Phys.Lett.B 114 (1982) 277-281, 1982.
Inspire Record 181188 DOI 10.17182/hepdata.30893

We have studied the topologies of hadronic events in e + e - annihilation data taken in the region of the upsilon resonances with the non-magnetic CUSB detectors at CESR. Using a thrust-like variable we compare the decay of ϒ, ϒ′ and ϒPrime; find for ϒ″ a significant excess of high thrust events, which we interpret as evidence for electric dipole transitions.

5 data tables

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TOPOLOGY AND CHARGED MULTIPLICITY OF HADRONIC EVENTS IN THE ENERGY REGION OF THE UPSILON AND UPSILON' RESONANCES. (IN GERMAN)

Schwarz, Andreas S. ;
Hamburg Desy - INTERNAL REP. LENA-81-03 (81,REC.SEP.) 178p, 1981.
Inspire Record 171276 DOI 10.17182/hepdata.43836

None

2 data tables

OBSERVED, UNCORRECTED, AVERAGE VALUES FOR SPHERICITY AND THRUST.

AVERAGE CHARGED MULTIPLICITY - SEE B. NICZYPORUK ET AL., ZP C9, 1 (1981).