A ground-state meson built only from ,

PHYSICS · Multi-part · Fermi University Physics · Particle Physics & Quantum Fields · Particles, interactions and experiment · Particles, interactions and experiment

Particle Physics, Ch Hadrons: baryons, mesons and their quark content

Problem

A ground-state meson built only from

u

d

s

quarks and antiquarks is measured to have charge

Q=+1

and strangeness

S=+1

. ((a)) Deduce its quark content. ((b)) State whether its ground-state spin is

0

1

, given it is the same type of particle as the

\pi^+

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