a particle of unknown masss is observed to decay into 2 photons (mass:0) that have equal...
An η meson, whose rest energy is 548 MeV, is moving in the Lab frame with a total energy of 685 MeV in the +x-direction. It decays into two photons a) What is the momentum of the n before the decay? b) What is the velocity of the n before the decay? c) Given that one of the photons is detected going in the +x-direction (this is one of many possible scenarios), find its energy and the energy and direction...
3. A particle of rest mass m moving in the a direction at a speed of c/3 abruptly decays electromagnetically, yielding two photons. From the perspective of the home frame, the photon moving in the positive r direction is more energetic than the photon moving in the negative r direction - (a) Determine the energies and frequencies of both photons in the rest frame of the decaying particle. -(b) Using Lorentz transformations, determine the energies and frequencies of both photons...
A particle is observed to have momentum 500 MeV/c and energy 1746 MeV. a) What is the speed of the particle? b) What is the mass of the particle in MeV/c2 ? Please answer clearly and in detail, thanks.
2. Electron-positron annihilation A positron with kinetic energy equal to twice its rest mass energy is incident on an electron at rest The positron and electron annihilate creating two photons. One photon goes off at an angle of 30 with respect to the incident positron. Compute the energies of the two photons and find the direction in which the second photon travels 2. Electron-positron annihilation A positron with kinetic energy equal to twice its rest mass energy is incident on...
5. A proton of mass at rest is bombarded from an accelerator beam by an antiproton of equal mass, the two particles annihilating each other into a pair of photons with momenta p, P Show that the angle between directions of flight of the photons is given by -me(A+ p.) PiP cos θ = 1 Show further that the angles 0,, 0, the scattered photons make with the incident beam obey cos = CP.P where Po, Eo are the momentum...
A team discovered an m-mass tetron, an 8-quark particle decaying into four identical muons in a symmetrical tetrahedral pattern. The tetron is stationary until it decays. The four daughter muons carry the same total energy and have a resting mass of 0.149M 1). M, determine the magnitude of the energy E and the momentum p0 meson. Conservation laws may at least partially apply to this problem. 2). suppose that the four muons of relativistic momentum decayed by the doppler are:...
-31 1 Electrons have a rest mass of 9.1095x103"kg(0.511 MeV/c2) and an energy of 0.511 MeV million electron volts) when at rest. In a colliding beam experiment, a beam of electrons accelerated to a high speed is sent toward a beam of antielectrons (same mass as electrons) moving in the opposite direction at the same speed. a.) Experimenters hope to create the J/y particle that has a rest mass energy of 3097 MeV through one of these collisions. The J/y...
3 (b) The energy of a Bohr atom in the n-th excited state is given by the formula E--a2mc2 2,7, where α-e2/(4πέρ,10hc)-1 /137, m is the electron mass and e denotes the electron electric charge. i) Why is the total energy negative? Explain briefly your answer. ii) What is the radius of the electron in the n-th excited state in the Bohr atom? To answer that correctly follow the next steps Use Bohr's angular momentum quantization principle to obtain an...