In a bubble chamber experiment on a K beam a sample of events of the reaction
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In a bubble chamber experiment on a K– beam a sample of events of the reaction K– + p → Λ0 + π+ + π– is selected. A resonance is detected both in the Λ0π+ and Λ0π– mass distributions. In both, the mass of the resonance is M = 1385 MeV and its width Γ = 50 MeV. It is called Σ (1385).
(a) What are the strangeness, the hypercharge, the isospin and its third component of the resonance Λ0π+?
(b) If the study of the angular distributions establishes that the orbital angular momentum of the Λ0π systems is L = 1, what are the possible spin parity values JP?
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Related Book For
Introduction to Elementary Particle Physics
ISBN: 978-1107050402
2nd edition
Authors: Alessandro Bettini
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