Some Questions and Answers in Quarks Particle Composition

Some questions and answers in particles physics

1.   How do quarks make up protons and neutrons

2.   With diagram explain the quark composition of a proton

3.   State the quark composition of a positive pion and show a diagram

4.   Describe the quark structure of pion

5.   Describe the negative pion quark composition

6.   State quark composition of a positive pion

7.   What combination of quarks makes up a neutron

8.   Classification of elementary particles

9.   State the six varieties of quarks

10.                     What is the sixth quark called

11.                     What is the mass of w boson kg

12.                     State the quark composition of mesons

13.                     What is the lightest meson

Answers

1.   The protons are subatomic particle but not the fundamental particle of matter, rather quark are, the nucleons are both made up of quarks held strongly by a force called the strong interactions, the quarks are binded by this force as a result of exchange of intermediate particles called gluons. Therefore nucleons are composite particles.

2.   The proton is compose of three quarks as its fundamental constituent, the two up quarks and the one down quarks, the two up quarks are having an electric charge of a positive electric charge of 2/3 while the single down quarks has a negative  electric charge of -1/3.  The quarks are held by strong interaction mediated by gluons.

3.   A positive poin or pi meson as one up quark( u) and one anti-down quark. They held by the strong interaction mediated by gluons,  the negative pions are made up of one down quark and one anti-up quarks.

4.   A pion or pi meson consist of a quark and antiquarks,  a pion with up quark and anti down quark is a positive pion,  a pion with down quark and anti-up quark is a negative pion while  a pion with up antiup quark and down antidown quark is neutral pion, [ π+: ud_
π0: uu_ or d,_d
π−: _d, u]

5.   The negative pion as the following quark composition, one down quarks and one anti-up quark.

6.   The positive pion has the following quark composition , one up quark and an anti-down quark.

7.    A neutron is made up of  three quarks, two down quarks and one up quarks, held by a strong force mediated by gluons.

8.   Elementary particles are classified into three class  , the hadrons, the leptons and the particle that mediate this fores. The hadrons are further classified into baryons(e.g protons and neutrons), anti-baryons and meson(e.g pions and kaons). The leptons are extra nuclear particles and are classified into electrons, neutrinos and muon.  The next class are particles that mediate force which are gluons(strong force), gravitons( mediate gravitational force) ,photons(electromagnetic force) and intermediate vector bosons.

9.   The six types or varieties of quarks are the up and down quarks, the strange and charm quarks & top and bottom quarks. The first two belong to the first generation of quarks, the 2^nd  two belong to the 2^nd generation quarks and the last two fall in the 3^rd generation quarks.

10.                     The sixth quark is called the bottom quark

11.                      A meson has a quark and an anti quark.

12.                     The lightest meson is pi meson or pions

13.                     If the mass in evolt is 80.385±0.015 gev/c² , then in kg is  80.385±0.015 gev/c² x 1.6 x 10^-19