(a) Show that the proton-decay p → e+ + γ cannot occur because it violates the conservation of baryon number. (b) What If? Imagine that this reaction does occur and the proton is initially at rest. Determine the energies and magnitudes of the momentum of the positron and photon after the reaction.(c) Determine the speed of the positron after the reaction.

Q: What particle has the quark composition ūūd- ?

A: Quarks are elementary particles; building blocks of matter. According to the present model, there…

Q: When an electron and positron collide at the SLAC facility, they each have 50.0 GeV kinetic…

A: Given: Energy during collision or kinetic energy , KE = 50 GeV = 50000 MeV

Q: Show that all combinations of three quarks produce integral charges. Thus baryons must have integral…

A: Quarks are defined as fundamental building blocks and members of the exclusive club of truly…

Q: Do all hadrons with a strange quark also have nonzero strangeness?

A: Quarks are treated as fundamental particles. There were three quarks initially, which accounted for…

Q: The quark compositions of the proton and neutron are, respectively, uud and udd, where u is an up…

A: The quark composition of the proton is uud The quark composition of the neutron is udd The quark…

Q: Is the decay n → e+ + e− possible considering the appropriate conservation laws? State why or why…

A: We can verify whether the given decay is possible or not by checking the following conservation laws

Q: A K0 particle at rest decays into a π+ and a π−. The mass of the K0 is 497.7 MeV/c2 and the mass of…

A: The expression for the speed of each the pion from energy equation,

Q: -23 Consider the decay A0 p + with the A at rest. (a) Calculate the disintegration energy. What is…

A:

Q: Calculate the linear momentm of 25 GeV proton assuming that rest mass energy of the proton is 1 GeV.

A: Given information: Energy of the proton E=25 GeV. Rest mass energy of the proton E0=1 GeV. The…

Q: The reaction π+ + p → Δ++ (described in the preceding problem) takes place via the strong force. (a)…

A: Given: The reaction  π+ + p → Δ++  We are asked to find baryon number of the Δ++ particle. To draw…

Q: A proton has enough mass energy to decay into a shower made up of electrons, neutrinos, and their…

A:

Q: A K⁻ meson has a rest lifetime of 1.24 x 10⁻⁸ s. If one of these particles is created in a particle…

A: Formula of time dilation is as follows: ∆t'=∆t1-v2c2…

Q: (a) Show that the conjectured decay of the proton, p → π0 + e+ , violates conservation of baryon…

A: (a) Baryon number conservation Total baryon number before decay is 1 and after decay is 0. hence…

Q: You have a machine that produces a beam of π(pi) mesons moving at a speed of 0.9938c. In your lab,…

A: Given:  Speed of mesons = 0.9938 c Distance of the target = 278.7 m Half life of mesons = 26 ns

Q: A proton and an antiproton collide head-on, with each having a kinetic energy of 7.00 TeV (such as…

A:

Q: A neutral pion at rest decays into two photons according to Find the energy, momentum, and frequency…

A: a)By conservation of energy the energy of each of the two identical photon is 1/2E. The energy of…

Q: (a) Is the decay Σ− → n + π− possible considering theappropriate conservation laws? State why or why…

A: (a) The provided nuclear reaction is: The charge on the left-hand side and right-hand side is:…

Q: Why does the η0 meson have such a short lifetime compared to most other mesons?

A: Mesons are usually unstable and have both particle and antiparticle. They decay in 1/1000000 times…

Q: One of the decay modes of the omega minus is Ω− → Λ0 + K−..(a) What is the change in strangeness?(b)…

A: a. the strangeness number of Ω−  , Λ0 ,  and  K− are -3, -1, and -1 respectively. Then the change in…

Q: Doubly charged baryons are known to exist. Why are there no doubly charged mesons?

A: Mesons are charge less and mass less particles which exist in form of wave energy or packets of…

Q: Show that all combinations of a quark and an antiquark produce only integral charges. Thus mesons…

A: qq¯ combination I3 S B Y Q paricle us¯ 1/2 1 0 1 1  k+ ds¯ -1/2 1 0 1 1  k0 su¯ -1/2 -1 0 -1…

Q: Baryons need to be made up of an odd number of quarks. Give reason?

A: Introduction: In particle physics, a baryon is a type of composite subatomic particle which contains…

Q: The decay mode of the negative muon is μ− → e− + ν -e + νμ .(a) Find the energy released in MeV.(b)…

A: The given reaction is,

Q: Is the decay μ− → e− + νe + νμ possible consideringthe appropriate conservation laws? State why or…

A:

Q: Describe the properties of baryons and mesons and the important differences between them.

A: A meson is made up of quark anti quark pair.  A meson is a boson with half integral spin. While…

Q: What is the mass of the lightest vector meson formed by light quarks and antiquarks (u and d)?…

A: We know that the Mesons are formed by the combination of quarks and antiquarks. The types of mesons…

Q: Why is it easier to see the properties of the c, b, and t quarks in mesons having composition W − or…

A: Mesons is one of the subatomic particles which composed of pair of quarks i.e., quark and…

Q: One possible decay mode of the neutral kaon is K0→π0+π0. The rest energiesof the K0andπ0are 498 MeV…

A:

Q: Gluons and the photon are massless. Does this imply that the W + , W − , and Z 0 are the ultimate…

A: Given: Gluons and the photon are massless. Does this imply that the W +, W −, and Z 0 are the…

Q: The quarks in a particle are confined, meaning individual quarks cannot be directly observed. Are…

A: The Gluons confined as well like quarks. Gluon is an elementary particle which acts as the exchange…

Q: Consider the following decay: π0 → μ- + e+ + υμ. What conservation laws are violated by this decay?…

A:

Q: Verify from its quark composition that the ∆+ particle could be an excited state of the proton.

A: The uncertainty principle for energy and ΔE·Δt=h4π WhereΔE  is the uncertainty principle for energy,…

Q: Calculate the total kinetic energy (in MeV) carried away by the pions after this decay: Σ0 → n + π+

A:

Q: Consider the neutrino whose symbol is . (a) Is it a quark, a lepton, a meson, or a baryon? (b) Is it…

A:

Q: Tell me which conservation law or laws the reaction violates From: 1. Mass energy 2. Spin…

A: Given reaction is,

Q: Mesons should be made up of an even number of quarks. Give reason?

A: Quarks are the fundamental building blocks of hadrons.…

Q: What is the electrical charge of the baryons with the quark compositions (a) uud-  and (b)udd? What…

A: The baryon uud־ and udd are called delta baryon.

Q: Two protons approach each other with 70.4 MeV of kinetic energy and engage in a reaction in which a…

A: The reaction is

Q: There is no known meson with charge quantum number q=+1 and strangeness S=-1 or with q=-1 and S=+1.…

A: Mesons are made up of 2 quarks which are actually a quark and an anti-quark. Only an s-quark has a…

Q: Is the decay μ- → e- + ve + vμ possible considering the appropriate conservation laws? State why or…

A:

Q: (a) Is a hadron always a baryon?(b) Is a baryon always a hadron?(c) Can an unstable baryon decay…

A: Solution: Now, (a) Is a hadron always a baryon The particles that feel strong nuclear force are…

Q: 30 SSM www Using the up, down, and strange quarks only. construct, if possible, a baryon (a) with q…

A:

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions: