Inclusive K0 production in e+ e− annihilation at the upsilon resonances

doi:10.1016/0550-3213(82)90484-9

Nuclear Physics B

Volume 206, Issue 1, 4 October 1982, Pages 1-11

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Abstract

We report on inclusive K⁰ production in the region of the upsilon resonances (9.4–10.6 GeV). The K⁰ yield for the resonances and continuum below the $B B$ threshold is found to be constant at 0.82 ± 0.10 K⁰ per observed hadronic event. At the ϒ(4S), however, the K⁰ yield is significantly higher, 1.58 ± 0.35. This increase in K⁰ production and the differential cross section dσ/dp of kaons are consistent with $B B$ decay of the ϒ(4S) resonance with the bottom quarks subsequently decaying primarily into charmed quarks.

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¹: Present address: University of Pisa, 1-56100, Pisa, Italy.

²: Present address: CERN, EP Division, Geneva, Switzerland.

³: Present address: Laboratory of Nuclear Studies, Cornell University, Ithaca, NY 14853.

⁴: Present address: Fermi National Accelerator Laboratory, Batavia, Ill. 60510.

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Nuclear Physics B

Abstract

References (10)

Phys. Rev. Lett.

Phys. Rev. Lett.

Phys. Rev. Lett.

Phys. Rev. Lett.

Phys. Rev. Lett.

Bull. Am. Phys. Soc.

Cited by (4)

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Inclusive production of K<inf>s</inf><sup>0</sup>, K<inf>s</inf><sup>0</sup>K<inf>s</inf><sup>0</sup> and K<sup>*±</sup>(892) in {Mathematical expression} interactions at 3.0, 3.5, 4.0 and 4.5 GeV/c