Quark Model of the Neutron According to the quark model of fundamental particles

Question

Quark Model of the Neutron According to the quark model of fundamental particles, neutrons-the neutral particles in an atom's nucleus-are composed of three quarks. Two of these quarks are "down" quarks, each with a charge of - e/3; the third quark is an "up" quark, with a charge of + 2e/3. This gives the neutron a net charge of zero. What is the electric potential energy of these three quarks, assuming they are equidistant from one another, with a separation distance of 1.3 Times 10-15 m? (Quarks are discussed in Chapter 32 of the textbook.) Express your answer using two significant figures.

Explanation / Answer

U=sum(kqi*qj/d)=k/d*sum(qi*qj)=9*10^9*(1.6*10^-19)^2/1.3*10^-15*(1/3*1/3-1/3*2/3-1/3*2/3)=-5.91*10^-14J=-0.37MeV

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---