Charges/Interactions/Weak/Quiz

The ALMA correlator is one of the most powerful supercomputers in the world. Credit: ALMA (ESO/NAOJ/NRAO), S. Argandoña.

Weak interaction is a lecture and an article about the application of laboratory and theoretical physics to astronomical phenomena.

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Quiz

<quiz>

{Which of the following are characteristic of a β⁺ decay? |type="[]"} + a positron emission - a decay product of a neutron + weak interaction + an electron neutrino - comes in mutable varieties - a mu neutrino

{True or False, A calculation of energy is not possible unless a mass is involved. |type="()"} + TRUE - FALSE

{Which of the following is not an electron volt? |type="()"} - a unit of energy - a quantity that denotes the ability to do work + the angular momentum of the planet Mercury around the Sun - 1.2 PeV - a unit dimensioned in mass, distance, and time - a unit not based on the Coulomb

{Complete the text: |type="{}"} Match up the item letter with each of the first astronomical source possibilities below: Meteors - A Cosmic rays - B Neutrons - C Protons - D Electrons - E Positrons - F Gamma rays - G Superluminals - H cosmic rays { C|D (i) } galactic nuclei { H (i) }. electron-positron annihilation { G (i) }. weak force nuclear decay { F (i) }. AGNs { B (i) }. 511 keV photon pair production { E (i) }. solar wind { D (i) }. comets { A (i) }.

{Complete the text: |type="{}"} The { delta-ray|delta ray (i) } tracks in emulsion chambers have been used for { direct (i) } measurements of { cosmic-ray|cosmic ray (i) } nuclei above { 1 TeV/nucleon (i) } in a series of balloon-borne experiments.

{True or False, A unit vector is a direction with a magnitude of one. |type="()"} + TRUE - FALSE

{Which of the following are involved in the weak force? |type="[]"} - a core which emits neutrinos + Fermi's β-decay theory - ²⁶Al - undetectable with balloon-borne detectors - steady enough emission to be used as a standard for X-ray emission - observed with delta-rays in 1731 + M. Fierz + Gamow-Teller interactions

{The strong force is involved in which of the following phenomena? |type="[]"} + s-waves + the sum of the spins - neutrinos + Pauli's exclusion principle - radio waves + deuterium

{True or False, When the magnetic poles of the Sun reverse during the solar cycle, there is a short time in which the polar diameter is greater than the equatorial diameter. |type="()"} + TRUE - FALSE

{Which of the following are associated with electromagnetics? |type="[]"} + charge neutralization + angular momentum transfer + solar wind + protons + electrons - the baryon neutrino

{True or False, The generalized weak force theory combines the Fermi and Gamow-Teller conditions into a unified theory. |type="()"} + TRUE - FALSE

{Which of the following are associated with the big bang neutrinos? |type="[]"} - a launch location + relic neutrinos + of order of the photon density + the thermal energy at which neutrinos decouple + neutrinos dynamically dominate baryons - a contracting universe

{Yes or No, The force of gravity is the first astronomical source of the remnant nuclear force. |type="()"} - Yes + No

{The generalization to self-gravitating continua is outlined focused on the classification problem of singularities and metamorphoses arising in the |type="{}"} { density field (i) }.

{If energy is the impetus behind all motion and activity, which of the following are associated with power? |type="[]"} - a launch location + a rate of change of the impetus with time - photon density - an acceleration of the impetus - neutrinos dynamically dominating baryons + a rate of change of mass

{

For standard basis, or unit, vectors (i, j, k) and vector components of a (a_x, a_y, a_z), what are the right ascension, declination, and value of a?

|type="[]"} - if the x-axis is the longitude of the Greenwich meridian, and a_x equals a_y, then RA equals 6^h + if the x-axis is the longitude of the Greenwich meridian, and a_x equals a_y, then RA equals 3^h + the value of a is given by $a=\sqrt{a_x^2+a_y^2+a_z^2}$ - if a_x equals a_y equals a_z, then the declination is -45° + if a_x equals a_y equals a_z, then the declination is +45°

{Which of the following are associated with the envelope of the polarization current density? |type="[]"} + emission of electromagnetic radiation from a superluminal charged particle + intensity of some components decays as the inverse of the distance from the source + non-spherically-decaying sources + emission contains very high frequencies not present in the synthesis of the source + non-spherically decaying components of the radiation do not violate energy conservation + strong electromagnetic fields are compensated by weak fields elsewhere

</quiz>

Hypotheses

1. The weak interaction is also a function of the number of interferences (very few) and the distance exponent.

See also

• Astrophysics/Quiz
• Electromagnetic interaction/Quiz
• Electroweak interaction/Quiz
• Radiation/Quiz
• Strong interaction/Quiz

External links

• NASA's National Space Science Data Center
• Office of Scientific & Technical Information
• The SAO/NASA Astrophysics Data System
• Scirus for scientific information only advanced search
• Spacecraft Query at NASA