(a) The most common decay mode of the Ξ− particle is Ξ− → Λ0 + π− . Using the quantum numbers in the table given above, show that strangeness changes by 1, baryon number and charge are conserved, and lepton family numbers are unaffected.                                                                                      (b) Is the decay K+ → μ+ + νμ allowed, given the quantum numbers in the table given above?

Q: For each of the following forbidden reactions, select the conservation law(s) which is (are)…

A: (a)           n+π0→γ+p charge:    0 + 0      0+e (charge is violated)

Q: An electron cannot decay into two neutrinos. Which of the following conservation laws would be…

A: Given:- An electron cannot decay into two neutrinos. Which of the following conservation laws would…

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: A virtual particle having an approximate mass of 1014 GeV/c2 may be associated with the unification…

A: We know,

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: Assuming conservation of momentum, what is the energy ofeach γ ray produced in the decay of a…

A: The energy of γ can be determine by,

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

A:

Q: In the decay of 242Cm to 238Pu, the maximum alpha energy is 6112.9 +- 0.1 keV. Given the mass of…

A: Given data Energy of alpha energy, Q=6112.9 keV=6112.9×103 eV= 6.1129 MeV 1u=931.5 MeV The reaction…

Q: •17 Does the proposed decay process E - T +n+ K +p conserve (a) charge, (b) baryon number, (c) spin…

A: a) For charge conservation, Charge is not conserved. b) For baryon number conservation,

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

A:

Q: Taking the range of the strong nuclear force to be about 1 fermi ( 10−15 m ), calculate the…

A:

Q: The principal decay mode of the sigma zero is ∑0 → ʌ0 + ϒ . Considering the preceding and the short…

A: Strangeness of LHS: S=-1 Strangeness of RHS: S=-1+0=-1 Therefore, strangeness is conserved.

Q: A muon (mμc2 = 105.7 MeV) at rest decays into a electron (mec2 = 0.511 MeV) and a neutrino (whose…

A: Given,

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: 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: 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: More than 60 years ago, future Nobel laureate Sheldon Glashow predicted that if an antineutrino —…

A:

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

A: (1). Equation 1 involves tau, gamma ( photon), electron. The conservation laws are follows,   If…

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

A:

Q: The primary decay mode for the negative pion is π− → μ− + ν-μ .                  (a) What is the…

A: a)  The negative pion is π− → μ− + ν-μ . Rest energy of π−=139.6MeV Rest energy of μ− =105.7 MeV…

Q: What is the distance (in fm) a with kinetic energies of (a) 60 MeV, (b) 60 GeV fly before decay?

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: Two protons are racing directly toward each other at the same speed. They collide, and a stationary…

A: Consider proton 1 to be moving in positive x direction with 4 momentum (E,p) and proton 2 in the…

Q: The primary decay mode for the negative pion isπ− → μ− + ν - μ . What is the energy release in MeV…

A: The rest mass of pion,

Q: What is the ratio of the velocity of a 5.00-MeV β ray to that of an α particle with the same kinetic…

A: The kinetic energy for a relativistic particle,

Q: In the theory of quantum chromodynamics, quarks come in three colors. How would you justify the…

A: Quarks come in three colors. However, baryons and mesons are colourless.Each flavor of quark can…

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: The interaction potential between two quarks, separated by a distance 'r' inside a nucleon, can be…

A:

Q: Why we cannot isolate a single quark?

A: Quarks can never be isolated, when the elastic band breaks, then a new quark is produced in energy…

Q: Two protons approach each other head-on, each with 70.4 MeV of kinetic energy, and engage in a…

A:

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

A:

Q: Calculate the total kinetic energy (in MeV) carried away by the pions after this decay: K0 → π+ + π-

A:

Q: How can the lifetime of a particle indicate that its decay is caused by the strong nuclear force?

A: Strong nuclear force is one of the fundamental force in nature. Among gravitational force,…

Q: Calculate the height of the Coulomb barrier for the head-on collision of two deuterons, with…

A: During the head-on collision the distance between the center of the deuterons are:

Q: •11 SSM www Which conservation law is violated in each of these proposed decays? Assume that the…

A: The given reaction,

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: