Elsevier

Physics Letters B

Volume 157, Issue 4, 18 July 1985, Pages 326-332
Physics Letters B

Observation of antideuteron production in electron-positron annihilation at 10 GeV center of mass energy

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Abstract

The production of antideuterons has been observed in electron-positron annihilations at center-of-mass energies around 10 GeV. Antideuterons have been identified unambiguously by their energy loss in the drift chamber, their time-of-flight and the pattern of their energy deposition in the shower counters of the ARGUS detector. The production rate in the momentum range (0.6−1.8) GeV/c is (1.6−0.7+1.0) × 10−5 per hadronic event.

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Cited by (0)

1

Supported by the Bundesministerium für Forschung und Technologie, Fed. Rep. Germany.

2

Present address: DESY, Hamburg, Fed. Rep. Germany.

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