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Chapter 44: Q22P (page 1364)

A 220鈥塎别痴 鈭�鈭�particle decays:鈭�鈭�鈫�蟺鈭�+n. Calculate the total kinetic energy of the decay products.

Short Answer

Expert verified

The total kinetic energy of the decay energy is.338鈥塎别惫

Step by step solution

01

Law of conservation of energy.

The law of conservation of energy is define as the energy can neither be created nor destroyed, only converted from one form of energy to another form.

02

Calculate the total kinetic energy of the decay energy

The given reaction is written as:

鈭�鈭�鈫�蟺鈭�+n

Solve the total kinetic energy of the decay energy as follows:

Q=(BE)p~(BE)R=鈭�螖mc2+Qinitial=(m蚂0鈭�mp鈭�m蟺鈭�)c2+Qinitial

Substitute the values from the standard data

Q=(1197.3鈭�139.6鈭�939.6+220)Mev=338鈥塎别惫

Thus, the total kinetic energy of the decay energy is.338鈥塎别惫

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Most popular questions from this chapter

A proton can not decay into a neutron and a neutrino. Which of the following conservation laws would be violated if it did:(a) energy, (b) angular momentum, (c) charge, (d) lepton number, (e) linear momentum, (f) baryon number?

Does the proposed decay 蚂0鈫�p+K- conserve (a) electric charge, (b) spin angular momentum, and (c) strangeness? (d) If theoriginal particle is stationary, is there enough energy to create thedecay products?

A 鈭�+particle has these quantum numbers: strangenessS=-1, charge localid="1663129613215" q=+1, and spin s=12. Which of the following quark combinations produces it: (a)localid="1663129790732" dds, (b) localid="1663129802044" s炉s , (c) localid="1663129809885" uus, (d), localid="1663129816290" ssu , or(e) localid="1663129823320" uus炉?

The rest energy of many short-lived particles cannot be measured directly but must be inferred from the measured momenta and known rest energies of the decay products. Consider the 蚁0meson, which decays by the reaction蚁0鈫�蟺++蟺-. Calculate the rest energy of the 蚁0meson given that the oppositely directed momenta of the created pions each have a magnitude 358.3 MeV. See Table 44-4 for the rest energies of the pions.

A neutral pion initially at rest decays into two gamma rays:

蟺0鈫�纬+纬. Calculate the wavelength of the gamma rays. Why must they have the same wavelength?
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