6533b7cffe1ef96bd1258396
RESEARCH PRODUCT
φ production in annihilation at rest
K. D. DuchU. StraumannJ.c. BizotB. DelcourtP. TruölB. L. WhiteP. WeidenauerJ. RiedlbergerM. DoserR. LandauB. MayK. BeuchertH. KalinowskyU. GastaldiClaude AmslerW. DahmeEberhard KlemptJ. Reifenröthersubject
PhysicsNuclear and High Energy PhysicsParticle physicsAnnihilationMesonHydrogenBranching fractionchemistry.chemical_elementNuclear physicsOZI rulechemistryMass spectrumHigh Energy Physics::ExperimentGround stateP systemdescription
Abstract We report on measurements of the branching ratios for φ production in p p annihilation at rest in H 2 gas. Branching ratios for φπ 0 , φη, φϱ 0 , φω and φπ + π − are determined for two data sets with different contributions of annihilations from S and P states of the p p system. The branching ratios are compared to corresponding annihilation modes where the φ is replaced by an ω meson. We conclude that φ production is in most reactions enhanced with respect to the expectation based on the OZI rule. In annihilations from the spin triplet ground state of antiprotonic hydrogen into φπ the OZI rule is violated dramatically.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1991-09-01 | Physics Letters B |