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WorksheetsP.3.2.1.5 Classification of particles
Total questions: 6
Worksheet time: 3mins
The ∑0 baryon, composed of the quark combination uds, is produced through the strong interaction between a π+ meson and a neutron.
π+ + n → ∑0 + X
What is the quark composition of X?
us̅
ud
ud̅
uds̅
An iodine nucleus decays into a nucleus of Xe−131, a beta-minus particle and particle Y.
Which is a property of particle Y?
It has a lepton number of +1
It is an antiparticle
It is negatively charged
It experiences the strong interaction
Which line correctly classifies the particle shown?
A
B
C
D
What of the following is a hadron of zero charge?
neutrino
photon
proton
neutron
What are the numbers of hadrons, baryons and mesons in an atom of 73Li?
hadrons: 7
baryons: 3
mesons: 3
hadrons: 7
baryons: 4
mesons: 4
hadrons: 7
baryons: 7
mesons: 0
hadrons: 10
baryons: 7
mesons: 0
Which of the following is not true?
Each meson consists of a single quark and a single antiquark.
Each baryon consists of three quarks
The magnitude of the charge on every quark is ⅓
A particle consisting of a single quark has not been observed.
