WebAssign Printed Access Card for Serway/Vuille's College Physics, 11th Edition, Multi-Term
11th Edition
ISBN: 9781337763486
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 30, Problem 23P
To determine
The energy , momentum and frequency of each photons.
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A neutral pion at rest decays into two photons according to
π0 → γ + γ
Find the energy, momentum, and frequency of each photon.
A π meson (rest mass 135MeV/c2) moving through the laboratory at a speed of 0.998c decays into two gamma-ray photons. The two photons have equal energies Eγ and move at equal angles ? on opposite sides of the direction of motion of the original π meson. Calculate Eγ and θ.
A pion has a rest energy of 135 MeV. A pion moving through the laboratory at v = 0.98c decays into two gamma-ray photons of equal energy, making equal angles Θ with the original direction of motion.
(a) Calculate the energy of one gamma ray photon.
(b) Calculate the angle Θ.
Chapter 30 Solutions
WebAssign Printed Access Card for Serway/Vuille's College Physics, 11th Edition, Multi-Term
Ch. 30.6 - Prob. 30.1QQCh. 30.6 - Prob. 30.2QQCh. 30 - Prob. 1CQCh. 30 - Prob. 2CQCh. 30 - Prob. 3CQCh. 30 - Prob. 4CQCh. 30 - Prob. 5CQCh. 30 - Prob. 6CQCh. 30 - Prob. 7CQCh. 30 - Prob. 8CQ
Ch. 30 - Prob. 9CQCh. 30 - Prob. 10CQCh. 30 - Prob. 11CQCh. 30 - Prob. 12CQCh. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - Prob. 3PCh. 30 - Prob. 4PCh. 30 - Prob. 5PCh. 30 - Prob. 6PCh. 30 - Prob. 7PCh. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - Prob. 10PCh. 30 - Prob. 11PCh. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - Prob. 14PCh. 30 - Prob. 15PCh. 30 - Find the energy released in the fusion reaction...Ch. 30 - Find the energy released in the fusion reaction...Ch. 30 - Prob. 18PCh. 30 - Prob. 19PCh. 30 - Prob. 20PCh. 30 - Prob. 21PCh. 30 - Prob. 22PCh. 30 - Prob. 23PCh. 30 - Prob. 24PCh. 30 - Prob. 25PCh. 30 - Prob. 26PCh. 30 - Prob. 27PCh. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - Prob. 32PCh. 30 - Prob. 33PCh. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37APCh. 30 - Prob. 38APCh. 30 - Prob. 39APCh. 30 - Prob. 40APCh. 30 - Prob. 41APCh. 30 - Prob. 42APCh. 30 - Prob. 43APCh. 30 - Prob. 44APCh. 30 - Prob. 45APCh. 30 - Prob. 46APCh. 30 - Prob. 47APCh. 30 - Prob. 48APCh. 30 - Prob. 49APCh. 30 - Prob. 50AP
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- If the rest energies of a proton and a neutron (the two constituents of nuclei) are 938.3 and 939.6 MeV, what is the difference in their mass in kilograms?arrow_forwardThe primary decay mode for the negative pion is +v . (a) What is the energy release in MeV in this decay? (b) Using conservation of momentum, how much energy does each of the decay products receive, given the is at rest when it decays? You may assume the muon antineutrino is massless and has momentum p = E/c , just like a photon.arrow_forwardAn unstable particle, initially at rest, decays into a proton (rest energy 938.3 MeV) and a negative pion (rest energy 139.5 MeV). A uniform magnetic field of 0.250 T exists perpendicular to the velocities of the created particles. The radius of curvature of each track is found to be 1.33 m. What is the rest mass of the original unstable particle?arrow_forward
- The K0 meson is an uncharged member of the particle “zoo” that decays into two charged pions according to K0 → π+ + π−. The pions have opposite charges, as indicated, and the same mass, mπ = 140 MeV/c2. Suppose that a K0 at rest decays into two pions in a bubble chamber in which a magnetic field of 2.0 T is present (see Fig. P2.22). If the radius of curvature of the pions is 34.4 cm, find (a) the momenta and speeds of the pions and (b) the mass of the K0 meson.arrow_forwardA muon formed high in Earth's atmosphere travels toward Earth at a speed v = 0.990c for a distance of 4.60 km as measured by an observer at rest with respect to Earth. It then decays into an electron, a neutrino, and an antineutrino. (a) How long does the muon survive according to an observer at rest on Earth? (b) Compute the gamma factor associated with the muon. (c) How much time passes according to an observer traveling with the muon? (d) What distance does the muon travel according to an observer traveling with the muon? (e) A third observer traveling toward the muon at c/2 measures the lifetime of the particle. According to this observer, is the muons lifetime shorter or longer than the lifetime measured by the observer at rest with respect to Earth? Explain.arrow_forwardA pion at rest (m = 273me) decays to a muon (m = 207me) and an antineutrino (mp 0). The reaction is written + v. Find (a) the kinetic energy of the muon and (b) the energy of the antineutrino in electron volts.arrow_forward
- (a) What is the uncertainty in the energy released in the decay of a due to its short lifetime? (b) Is the uncertainty in 1his energy greater than or lees than the uncertainty in the mass of the tau neutrino? Discuss the source of the uncertainty.arrow_forwardA particle moving with 340 MeV of kinetic energy decays according to: Σ - π + p What is the total kinetic energy of the decay products? MeVarrow_forwardDetermine the energy of a γ ray produced in the decay of ∑0 at rest into Λ + γ .arrow_forward
- A positron and an electron can annihilate each other and form 3 gammas. Two gammas are detected. One has energy of 225 keV, the other has 357 keV. What is the energy of the 3rd gamma?arrow_forward140 is a positron emitter decaying to an excited state of ¹4N. The ¹4N y - rays have an energy of 2.313 MeV and the maximum energy of the positron is 1.835 MeV. The mass of 14N is 14.003074 amu and that of electron is 0.000548 amu. Find the mass of ¹40 in amu. 14arrow_forwardThe mass of a nucleus of rutherfordium-254 is 254.1001 u. Calculate the mass in GeV c–2.arrow_forward
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