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ISSN - 01709739, Zeitschrift f�r Physik C-Particles and Fields, 1994, vol. 62, p. 367-370

Measurement of inclusive Λ production in electron-positron interactions at the upsilon energies

Blinov A. E., Blinov V. E., Bondar A. E., Bukin A. D., Groshev V. R., Klimenko S. G., Onuchin A. P., Panin V. S., Protopopov I. Ya, Shamov A. G., Sidorov V. A., Skovpen Yu I., Skrinsky A. N., Tayursky V. A., Telnov V. I., Tikhonov Yu A., Tumaikin G. M., Undrus A. E., Vorobiov A. I., Zhilich V. N.

Using the MD-1 detector at the VEPP-4 e+e- strorage ring we have measured the inclusive Λ and 370-1 production rates in direct Γ(1S) decays {Mathematical expression} The Λ momentum spectrum in direct Γ(1S) decays was obtained. We have measured also the inclusive Λ production rate in the continuum at center of mass energies between 7.2 and 10.0 GeV {Mathematical expression} In the range of cms energies between 7.2 and 9.4 GeV this measurement was performed for the first time. © 1994 Springer-Verlag.