2.1.6 Quarks and Antiquarks Flashcards
Name the symbol, charge, baryon number and strangeness of an UP quark.
symbol: u
charge: +2/3
baryon number: +1/3
strangeness: 0
Name the symbol, charge, baryon number and strangeness of an DOWN quark.
symbol: d
charge: -1/3
baryon number: +1/3
strangeness: 0
Name the symbol, charge, baryon number and strangeness of an STRANGE quark.
symbol: s
charge: -1/3
baryon number: +1/3
strangeness: -1
Name the symbol, charge, baryon number and strangeness of an ANTI-UP quark.
symbol: u-
charge: -2/3
baryon number: -1/3
strangeness: 0
Name the symbol, charge, baryon number and strangeness of an ANTI-DOWN quark.
symbol: d-
charge: +1/3
baryon number: -1/3
strangeness: 0
Name the symbol, charge, baryon number and strangeness of an ANTI-STRANGE quark.
symbol: s-
charge: +1/3
baryon number: -1/3
strangeness: +1
Describe the quark composition of baryons
All baryons are made up of 3 quarks.
Antibarryons are all made of 3 anti-quarjs.
TRUE or FALSE
Are leptons made up of quarks?
FALSE
What is the quark composition of a PROTON
uud
What is the quark composition of a NEUTRON
udd
What is the quark composition of a ANTI-PROTON
u-u-d-
What is the quark composition of a ANTI-NEUTRON
u-d-d-
Describe the quark composition of mesons
All mesons are made of one quark and one anti-quark.
There are only nine possibilities
What is the composition of a K+ meson
us-
What is the composition of a K- meson
su-
