Determine whether or not strangeness is conserved in the following decays and reactions. (a) ^0 → p + π− (b) π− + p → ^0 + K0 (c) P-  + p → 0 (d) π− + p → π− + Σ+ (e) Ξ− → ^0π−0 → p + π−

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: 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: The total energy in the beam of an accelerator is far greater than the energy of the individual beam…

A: The expression for the energy supplied to the particle is given as,

Q: Determine the muon-lepton number in the reaction u → e + De + V. (b) Determine the value of strange-…

A: The reaction is,

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

A:

Q: Beta decay is caused by the weak force, as are all reactions in which strangeness changes. Does this…

A: Weak force interactions can cause change in the fundamental particle into another type of particle…

Q: The sigma-zero particle decays mostly via the reaction Σ0 → Λ0 + γ . Explain how this decay and the…

A: Both Σ0 and Λ0 particles have the same quark combination given as (uds). Particles with same quark…

Q: Suppose leptons are created in a reaction. Does this imply the weak force is acting? (for example,…

A: Yes, the lepton creation in a reaction denotes action of weak force. The weak nuclear force causes…

Q: We need to estimate the temperature at recombination from the figure below. (Estimate a temperature…

A: From the graph, the temperature at the recombination i;

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: The life-time of a muon is 2200 ns. This time is same as O a. 22 us Ob. 220 us Oc 2.2 us O d. 0.022…

A:

Q: Which of the following processes are allowed by the strong interaction, the electromagnetic…

A:

Q: The role of the Higgs Boson in the Standard Model is O to endow particles with mass O to prevent…

A: In standard model, higgs boson prevents parity violation.

Q: What is the quark formation that makes up (a) the xi-minus particle and (b) the anti-xi-minus…

A:

Q: An interaction between two elementary particles causes an electron and a positron (a positively…

A: Answer: To determine the minimum speed, we have to do the following assumptions based on the above…

Q: Explain how conservation of baryon number is responsible for conservation of total atomic mass…

A:

Q: The decay of one type of K-meson is cited as evidence that nature favors matter over antimatter.…

A: The universe consists of matter and no antimatter. Antimatter (specifically anti-particles) are…

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: Which of the following are possible reactions? (Select all that apply.) 1)10n + 23592U → 14054Xe +…

A:

Q: Which of the following reactions and decays are possible? For those forbidden, explain what laws are…

A: Concept Used : For checking if the decay is possible or not we will be checking whether or not the…

Q: Particles accelerators such as the Large Hadron Collider (LHC) can accelerate particles up to…

A: Mass of alpha particles (m) = 6.645×10-27 kg Kinetic energy (E) = 7.5 TeV

Q: Bubble-chamber photographs taken with a 0.40 T magnetic field show at one point a positron moving…

A: The equation for the radius is,   r=mvqBr=pqBp=qBr Here, p is the momentum,

Q: neutral pion moving with velocity v decays into to photons; one photon of energy E1 travelling in…

A: E1 = 2E2 we have to find v  The direction of two-photon are equal and opposite

Q: A p-meson at rest decays according toπ− → μ +  What is the energy carried offby the neutrino? Assume…

A: The reaction,

Q: What were the three quark types or flavors  proposed?

A: Quark is a fundamental particle, of which electrons, neutrons and protons are made of.

Q: ron-positron Quak II-opposing quak III. Baryon-anti baryon Which or which of the above pairs of…

A: In pair production two elementary particles with same mass and opposite electrostatic charge created…

Q: Determine whether or not strangeness is conserved in the following decays and reactions. (a) A° → p+…

A: Step 1 (a) The given reaction is, The strangeness of the Λ0 is -1 The strangeness of the p is 0 The…

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

A:

Q: 28) The rest mass of a proton is 0.940 GeV/c2. The rest mass of the up quark (u) is 0.002 GeV/c2 and…

A: Please see the answer below.

Q: Occasionally, high-energy muons collide with electrons and produce two neutrinos according to the…

A:

Q: The mass of the proton is 1.67 x 10 27 kg. The charge and mass of the antiproton are O -1 e, 1.67 x…

A:

Q: What is the energy of each photon produced by positron– electron annihilation? (a) 1/2 mev2 , where…

A: Annihilation is a process of converting mass into radiation. It follows from Einstein's mass-energy…

Q: Which of the following is a boson?  an electon   a proton   a photon

A: Bosons are particles which have whole number spin, exert force and carry energy.

Q: Suppose the LHC Large Hadron Collider produces an electron with relativistic energy 6.5 TeV (1012…

A: If the relativistic energy id equal to its kinetic energy then the γ=2 because relativistic energy…

Q: What length track does a π traveling at 0.100 c leave in a bubble chamber if it is created there and…

A: Given data: Speed, v=0.100c=0.100×3×108 m/s Time, t=2.60×10-8 m/s

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: One mediator of the weak interaction is the Z0 boson, with mass 91 GeV/c2. Use this information to…

A: Given data: Mass of boson is, m=91 GeV/c2=91×109 eV/c2.

Nuclear interactions

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